• US2452565A - Machine for applying plastic material : en
  • US2452645A - Bed spring support : en
  • US2453092A - Method of polymerizing organosiloxanes : en
  • USD151632S - Design for a fluorescent lighting unit : en
  • US2453013A - Treatment of yarns or cords comprising cellulose filaments : en
  • CA452236A - Blast and dust control plug : en fr
  • US2452650A - Speed clutch regulation of fan and pump for cooling systems : en
  • AU128133B2 - Improvements relating to pulse signalling systems : en
  • CA452394A - Making bimetallic products : en fr
  • ES18204U - Multiple egg tray in superposable beds. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611807A - Improvements in slip couplings, dynamometers or eddy current brakes : en
  • USD151641S - Design for a game board : en
  • AU2286148A - Improvements in and relating to aggregating and displaying devices particularly applicable to totalisators : en
  • GB611567A - Tracer controlled duplicating machine : en
  • US2452725A - Soapmaking process : en
  • US2452689A - Foldaway shoe tree : en
  • US2453014A - Socket primarily for radio tubes and the like : en
  • US2452970A - Treatment of water : en
  • GB611637A - Improvements in or relating to lens systems : en
  • GB611966A - Improvements in the steaming of textiles : en
  • US2453038A - One-piece sucker rod : en
  • AU140042B2 - Improvements relating to smokers' ashtrays andother like receptacles : en
  • CA16541S - Earthing rod : en
  • CA452397A - Joint assembly : en fr
  • CA452392A - Visual course indicator for radio directive systems : en fr
  • GB611896A - Improvements relating to metal shelving and the like : en
  • GB611954A - Improvements in or relating to aircraft arrester hooks : en
  • DK67872C - Method for purifying gas for generator-driven vehicles by means of filter bodies and filter for carrying out the method. : da en
  • ES18257U - Bra (Machine-translation by Google Translate, not legally binding) : en es
  • ES183326A3 - A NEW SYSTEM FOR THREADING. : en es
  • GB611745A - Improvements in or relating to the production of phenanthridine compounds : en
  • US2452640A - Roof and wall structure : en
  • US2452763A - Mucking machine for mine shafts : en
  • CA452407A - Telephone circuit : en fr
  • ES14538Y - Special container for medicines. : en es
  • GB611530A - Arrangements for guiding thin bands such as picture and/or sound films : en
  • CA452307A - Method of and apparatus for transmitting and recording changes in gauge conditions : en fr
  • GB611686A - Improvements in or relating to small automatic electric circuit breakers : en
  • FR939058A - Improvements to automatic and semi-automatic telephone systems : en fr
  • GB611699A - Radiating apparatus for heating and cooling buildings : en
  • US2452979A - Extension table : en
  • ES18210U - Improved floors, built in ceramic, reinforced concrete or any other material. (Machine-translation by Google Translate, not legally binding) : en es
  • US2452764A - Selectable contact transmitter means for sensitive instruments : en
  • US2452818A - Machine for removing putty : en
  • DEN00046863AZ - Process for the production of crystals or crystalline products, in particular from poorly and very poorly soluble substances : de en
  • GB611607A - An apparatus and process for the manufacture of industrial and power gases : en
  • AU2465245A - Improvements in aerial arrays : en
  • US2452825A - Single trigger action for doublebarrel shotguns : en
  • US2453100A - Carbalkoxy aminoanthraquinone sulfonamides : en
  • US2453054A - Combination brake pedal and throttle : en
  • US2452683A - Sweep circuit : en
  • US2453083A - Toolholding attachment for machine tool turrets : en
  • USD151663S - Design for a lamp : en
  • FR939016A - Insulated electrical conductor : en fr
  • FR939090A - Improvements to stabilized oscillation generators : en fr
  • GB611632A - Improvements relating to hydraulic press plant : en
  • US2452774A - Adjustable push grader mount : en
  • CA452347A - Alkaline dry cell : en fr
  • DK67861C - Procedure for washing and at the same time bleaching laundry. : da en
  • CA452283A - Signal portraying apparatus : en fr
  • US2452584A - Adhesive tape applying device : en
  • US2452702A - Drill grinding machine : en
  • CA452273A - Air filter loader : en fr
  • DK67876C - Device for painting frames or similar frames for attaching the blind frame. : da en
  • GB611945A - Improvements in catches for gates and doors : en
  • US2452888A - Toy railway bridge : en
  • USD151619S - Design for a film reel : en
  • FR939008A - Improvements to radio antenna systems : en fr
  • US2452752A - Method of making elastic chains : en
  • USD151603S - Design for a bracelet : en
  • GB611716A - Improvements in or relating to sulphonamides and preparation thereof : en
  • GR11839B - HOW TO PACK SULTANINA IN PACKAGES FOR COMPRESSION. : el en
  • GB611633A - Improvements in addressing and like series printing machines : en
  • US2452698A - Carburetor : en
  • GB611594A - Improvements in or relating to a sprinkler head : en
  • FR939065A - Improvements relating to vehicle bodies : en fr
  • GB611802A - Improvements relating to welding electrodes and to welding nickel-chromium or nickel-chrominum-iron alloys : en
  • GB611926A - Improvements relating to shuttleless looms : en
  • GB611952A - Improvements in or relating to a magnetic recording and reproducing head : en
  • FR939150A - Improvements to auxiliary load control devices : en fr
  • CA452219A - Gun and gun carriage : en fr
  • FR939191A - Alpha-substituted haloacrylic compounds and their production process : en fr
  • GB611713A - Improvements in television transmitters : en
  • US2452646A - Lamp housing for film projectors : en
  • US2452918A - Commutator for dynamoelectric machines : en
  • USD151628S - Design fob a lamppost : en
  • GB611813A - Improvements in and relating to the production of metal-metal oxide compositions or alloys : en
  • GB611841A - Improvements in and relating to muting devices for signal receivers : en
  • GB611677A - Harvesting machine for root crops : en
  • GB611843A - Improvements in or relating to liquid fuel burners : en
  • US2452967A - Connector plug : en
  • US2452604A - Method of and apparatus for inclosing a folded parachute pack : en
  • CA452278A - Friction absorbing device : en fr
  • AU2344548A - A tool for use in levering out fencing posts andthe like : en
  • US2452865A - Toy : en
  • FR939041A - Air navigation device : en fr
  • FR939095A - Improvement to sheets or strips coated with adhesive material : en fr
  • USD151622S - Design for a chest for storing and displaying surgical instruments : en
  • GB611512A - Angular velocity modulated radio system including means for reducing undesired amplitude modulation : en
  • GB611668A - Improvements in and relating to steel poles or pylons : en
  • GB611549A - Induction furnace : en
  • GB611868A - Improvements in flushing-water inlets of water closet basins of the low-down type : en
  • FR939035A - Improvements to directed antenna devices : en fr
  • GB611578A - Improvements relating to chairs : en
  • USD151644S - Design for a shoe : en
  • GB611759A - Improvements in or relating to apparatus for separating coke from ash or slag : en
  • FR939101A - Improvements to devices for measuring the torsion of a shaft or a transmission mechanism : en fr
  • GB611651A - Adjustable chair or the like : en
  • US2452737A - Resistor : en
  • AU1606847A - Improvements in and relating to vehicle brake booster systems : en
  • ES18212U - Depilatory device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES16827Y - Instrument for cutting. : en es
  • USD151602S - Design for a game board : en
  • GB611947A - A magnetic spinning top : en
  • US2452909A - Three-component telephoto type optical objective : en
  • AU1608747A - Alog dressing machine : en
  • GB611550A - Improvements relating to doors, windows and the like : en
  • CA452223A - Clothesline : en fr
  • GB611656A - Improvements relating to protective arrangements in polyphase electric networks : en
  • US2452840A - Fence post : en
  • US2452948A - Coaxial cable : en
  • GB611537A - Improvements in and relating to printing devices : en
  • GB611636A - Improvements in and relating to lens systems : en
  • IE18704L - Agricultural tractors : en
  • US2452561A - Electron discharge apparatus using velocity modulated beams : en
  • US2452639A - Machine for producing a vent in cartridge cases : en
  • CA16553S - Refrigerator container for the like3 : en
  • US2452662A - Trigonometric calculator : en
  • USD151649S - Adjustable fishing reel seat : en
  • ES17329Y - Flexible protector for instant placement in the plane of the shoe soles. : en es
  • ES18173U - Restorative device for razor blades. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18250U - Foldable glass perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611602A - Improvements in or relating to shade testing means for nail varnish : en
  • GB612000A - An improved grinder for lawn mowing machines and the like : en
  • FR939173A - Improvements to two-frequency comparison devices : en fr
  • US2452940A - Railway car side bearing : en
  • US2453107A - Fuse : en
  • GB611573A - Rims for vehicle wheels : en
  • GB611798A - Electric fires : en
  • GB611928A - Improvements in and relating to the condensation of zinc from its vapour in gaseous mixtures : en
  • AU2281648A - Improvements in flying controls for aircraft : en
  • DK67877C - Household mixer. : da en
  • GB611542A - Method and machine for performing a cutting action on gear teeth and similar curved forms : en
  • FR939066A - Improvements to the checkouts of vehicles of all kinds : en fr
  • GB611776A - Improvements relating to fuel burners : en
  • US2452653A - 2-alkylidene-3-keto-4-acylamidotetrahydrothiophene : en
  • US2452685A - Humidity control apparatus : en
  • US2452811A - Frequency divider : en
  • US2452572A - Delay line : en
  • US2452900A - Brooder : en
  • GB611682A - New quaternary ammonium compounds and the treatment of textile materials therewith : en
  • GB611790A - Improvements in and in the manufacture of tubular members provided with projecting fins : en
  • US2452858A - Method of and apparatus for : en
  • US2452985A - Adjustable flange jig : en
  • US2452593A - Wire looping machine : en
  • US2452667A - Illuminated mailbox and house number : en
  • ES18189U - Toy ax, totally harmless. (Machine-translation by Google Translate, not legally binding) : en es
  • CA16547S - Sweater : en
  • US2453094A - Oxidized asphalt product and method of making same : en
  • GB611622A - Improvements in photographic cameras particularly photo-mechanical cameras : en
  • GB611596A - Improvements in cigarette and like cases : en
  • GB611640A - Improvements relating to the inlet valves of air or gas compressors : en
  • GB611806A - Improvements in fireplaces : en
  • US2452882A - Folding match book : en
  • US2453075A - Stereo camera range finder system : en
  • ES17539Y - Perfected tap : en es
  • ES18252U - Metal bellows device adaptable to gasoline pumps of the explosion engines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939023A - Ultra high frequency tubes : en fr
  • GB611801A - Rouleau turner : en
  • AU2355048A - Improvements relating to speed and acceleration control systems : en
  • GB611862A - Improvements in or relating to pastry boards : en
  • GB611982A - Improvements relating to balanced-to-unbalanced circuit connectors : en
  • FR939136A - Telegraph and similar apparatus : en fr
  • US2452627A - Fuel supply system : en
  • US2452694A - Anchor fastening : en
  • GB611908A - Improvements in or relating to the recovery of chlorine values from by-product hydrogen chloride : en
  • US2452578A - Telephone system utilizing a register controller : en
  • US2452984A - Advance and retard injection mechanism for diesel engines : en
  • FR939108A - Styrene Products and Advanced Polymerization Processes : en fr
  • US2452894A - Process for producing magnesiumzirconium alloys : en
  • US2452929A - Folding golf cart : en
  • GR11838B - TIRE TIRE FOR HEAVY LOADS. : el en
  • CA452322A - Creaming of synthetic rubber latices : en fr
  • US2452895A - Linear silmethylenesiloxane : en
  • GB611590A - Drip preventing means for bottles : en
  • GB611985A - Improved apparatus for conveying concrete and other material or articles : en
  • GB611620A - Improvements in or relating to the operation of internal combustion engines having airless injection of fuel : en
  • US2452682A - Reflector drift indicator apparatus for boats and aircraft : en
  • USD151608S - Button or similar article : en
  • GB611752A - One-way overrunning clutch : en
  • US2453060A - Process and apparatus for treating bituminous sands : en
  • FR939164A - Improvements to electric power cables : en fr
  • ES18234U - Buckle. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939081A - Improvements to television transmitting systems : en fr
  • FR939139A - Constitution and manufacture of electric capacitors : en fr
  • ES18237U - Inkwell (Machine-translation by Google Translate, not legally binding) : en es
  • ES18162U - Box with chess board (Machine-translation by Google Translate, not legally binding) : en es
  • US2452855A - Mold for making castings : en
  • US2452874A - Pumping system : en
  • US2452585A - Ratchet motor control mechanism : en
  • GB611906A - Improvements in or relating to separation of iron ores : en
  • FR939169A - Improvements in the observation of pericdic electrical phenomena : en fr
  • ES18171U - Paddle to play with rubber balls. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939036A - Facsimile telegraph systems : en fr
  • GB611955A - Improvements in or relating to rotating sintering apparatus : en
  • GB611527A - Improvements in or relating to the control of driving means including electric motors : en
  • FR939196A - Improvements to the formation of adherent silver films on non-metallic surfaces : en fr
  • GB611976A - Improved support for vertically slidable windows, doors and the like : en
  • CA452328A - Apparatus for drying foundry moulds : en fr
  • US2452601A - Frequency control means : en
  • US2452722A - Clinical mask for breathing and rebreathing mixtures of gases : en
  • US2453017A - Ice air cooling apparatus having antisplash means : en
  • GB611911A - Improvements in or relating to stirring apparatus for mixing tarmacadam, ashpalt and other road-surfacing materials : en
  • FR939182A - Advanced printing mechanism controlled by punched cards : en fr
  • GB611866A - Improvements in frames for motor-cycles : en
  • GB611986A - Improvements in or relating to electric two-way communication systems : en
  • ES18216U - Clamp for holding clothes (Machine-translation by Google Translate, not legally binding) : en es
  • GB611547A - Improvements in or relating to electric regulators : en
  • GB611634A - Improvements in or relating to life-saving suits : en
  • GB611678A - Improvement in coat construction : en
  • GB611880A - Hydraulic dust trap : en
  • GB611645A - Improvements relating to apparatus for heating insulating material by subjecting it to a high frequency field of electric force : en
  • US2452745A - Still picture attachment for moving picture projectors : en
  • GB611775A - Improvements in or relating to gas-blast electric circuit-breakers : en
  • ES183762A1 - A PROCEDURE FOR THE PRODUCTION OF EXACT CASTED PARTS. : en es
  • GB611612A - Improvements in or relating to the treatment of polysulphide polymers : en
  • FR939153A - Advanced training in electric regulators : en fr
  • US2452647A - Control valve : en
  • US2453033A - Vacuum drying apparatus using a refrigerant system for heating and cooling : en
  • USD151635S - Design for a tot clown : en
  • GB611927A - Improvements in the manufacture of pile fabrics : en
  • DK67874C - Process for the preparation of water-soluble disinfectants of halogen-substituted phenols or alkylated halophenols. : da en
  • FR939180A - Improvements in transmission line testing : en fr
  • GB611659A - Improvements in or relating to heating plant : en
  • US2452644A - Apparatus for intravenous administration of liquids : en
  • US2453004A - Liquid mixing and dispensing apparatus : en
  • US2453069A - Power plant and transmission arrangement for agricultural tractors : en
  • USD151623S - Design for a household duster : en
  • ES17862U - Clip to hold loops of hair. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18185U - Case for portable radio, equipped with complementary application. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611761A - Improvements in or relating to hydraulic reversing gears : en
  • GB611720A - Improved means for mixing gases in the nozzles of flame cutters : en
  • GB611842A - Improvements in and relating to landing gangways : en
  • IS181B6 - Equipment for sealing between the shaft is rotating and a capsule that does not rotate, but surrounds the shaft. : en is
  • US2452540A - Electrical condenser : en
  • US2453084A - Manufacture of bead-form catalyst : en
  • US2452981A - Combined throttle and brake pedal : en
  • DK67895C - Dryer. : da en
  • ES18183U - Telegram style letter : en es
  • GB611758A - Improvements in or relating to refuse collectors : en
  • ES18259U - Protective shoe for motor vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611780A - Improved control mechanism for variable pitch propellers : en
  • US2452781A - Rotary type can opener : en
  • US2453029A - Open pot oil burner with unbalanced air supply : en
  • US2453037A - Nail puller : en
  • US2452550A - Hydraulic dynamometer : en
  • CA452391A - Electron discharge device : en fr
  • GB611552A - Improvements relating to speed-regulating mechanism for internal combustion engines : en
  • GB611663A - Improvements in and connected with hair waving : en
  • GB611751A - Improvements in or relating to circuits for generating electrical impulses : en
  • DK67869C - Barrier layer electrode system with at least one grid embedded in the barrier layer. : da en
  • ES18188U - Device for cutting tapes, strips, strips and similar elements at will. (Machine-translation by Google Translate, not legally binding) : en es
  • IE18648L - Agricultural tractors : en
  • US2452609A - Antihunt follow-up system : en
  • GB611912A - Electron discharge device : en
  • GB611942A - Operation of aircraft control flaps : en
  • FR939077A - Improvements in thermoplastic heating processes : en fr
  • GB611541A - Improvements in or relating to the temperature regulation of superheated vapour : en
  • USD151658S - Design for a mechanical pencil : en
  • US2453002A - Article of footwear and heel therefor : en
  • US2453078A - Device for wave length transformation of very short waves : en
  • GB611623A - Improvements in or relating to the production of fibres, particularly glass fibres : en
  • US2452777A - Power transmission : en
  • US2452813A - Therapeutic agent : en
  • CA452376A - Frequency modulation receiving system : en fr
  • GB611741A - Molds for forming hollow blocks, tiles or the like : en
  • US2452957A - Moisture control device : en
  • AU2311548A - Improvements in mechanical gas producers : en
  • ES18196U - Toy glider. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611516A - Improvements in or relating to wheel mountings for industrial trucks : en
  • US2452629A - Cake protecting device : en
  • GB611826A - Improvements in golf clubs : en
  • CA452333A - Self service display and storage case : en fr
  • FR939037A - Telecommunication switches : en fr
  • US2452579A - Warp knitting machine : en
  • US2452697A - Device for sharpening hypodermic needles : en
  • US2453003A - Television projection tube : en
  • FR939185A - Counting devices for telephone systems : en fr
  • GB611617A - Silencing means for machines having a plurality of air operated motors : en
  • GB611510A - Process for improving the whiteness or colour of materials : en
  • GB611611A - Improvements in and relating to electric transmission lines and applications thereof : en
  • FR939195A - Improvements to remote signaling and remote electrical control systems : en fr
  • GB611587A - Improvements in or relating to oxygen liberating compositions and method of making the same : en
  • GB611938A - Improvements in or relating to micro-wave and similar electrical resonant or reactive apparatus : en
  • US2453102A - 3,4-dihydroxythiophene-2, 5-dicarboxylic acid production : en
  • USD151593S - Design for a wallpaper or the like : en
  • CA16554S - Refrigerator container or the like : en
  • USD151621S - Design for a combined nutcracker and tray : en
  • FR939166A - Improvements to current inputs : en fr
  • FR939168A - Landing Radio Systems Improvements : en fr
  • GB611710A - Improvements in radio frequency heating, particularly for the permanent waving of hair : en
  • GB611848A - Improvements in and relating to steel hatches : en
  • GB611930A - Improvements in and relating to the condensation of zinc from its vapour in gaseous mixtures : en
  • FR939057A - Rectifiers : en fr
  • US2452769A - Electric motor control system : en
  • USD151586S - Design for a table : en
  • USD151611S - Design for a button or similar article : en
  • USD151615S - Photographic color-transparency analysis machine : en
  • AU128299B2 - Multiplex receiver : en
  • CA452238A - Bottle carrier : en fr
  • GB611855A - Improvements in or relating to cabinets, boxes and the like : en
  • GB611746A - Improvements in electric kitchen ranges : en
  • GB611886A - Improvements in and relating to the counterbalancing of the walking beams of oil well and like pumps : en
  • FR939027A - Improvements in the manufacture of vacuum tubes : en fr
  • GB611876A - Improvements in paddle machines for treating textiles and other goods with liquid : en
  • US2452794A - Bubble making machine : en
  • US2452814A - Hair clamp : en
  • FR939161A - Improvements to electrical measuring devices : en fr
  • FR939029A - Regulatory systems : en fr
  • ES18217U - Device for the presentation of diverse articles, especially for appliances and furniture obtained through it. (Machine-translation by Google Translate, not legally binding) : en es
  • CA452266A - Plunger type electrode holder : en fr
  • GB611551A - Improved manufacture of ª‰-methylnaphthalene : en
  • GB611845A - Improvements in and relating to coil clamping devices for electrical apparatus such as transformers : en
  • GB611522A - Improvements in or relating to ultra high frequency measuring device : en
  • GB611546A - Pressure breathing oxygen regulator : en
  • GB611939A - Improvements in the steaming of textiles : en
  • US2453086A - Alkyl thiophene-aldehyde synthetic resins : en
  • US2452591A - Pin-wheel feed : en
  • CA452354A - Production of amidine : en fr
  • CA452393A - Superheater unit : en fr
  • US2452706A - Rock shearing machine : en
  • US2452560A - Band-pass transformer : en
  • US2452789A - Trailer : en
  • FR939163A - Improvements to optical projection devices : en fr
  • GB611518A - Manufacture of quinacrine : en
  • GB611601A - Improvements in or relating to amusement apparatus or games : en
  • FR939133A - Improvements in the manufacture of magnetic bodies : en fr
  • GB611521A - Improvements in, and relating to, latch bolts : en
  • AU2280548A - Improved device for use in polishing articles : en
  • US2452648A - Control for stopping looms : en
  • CA452416A - Polymerized allyl ester : en fr
  • GB611696A - Improvements in or relating to apparatus for making hot beverages : en
  • US2453089A - Process for production of halogenated olefins : en
  • US2452975A - Production of organic fluorine compounds : en
  • US2452994A - Shopping bag : en
  • AU2342448A - Method and apparatus lor the screening of suspended particles from liquid materials : en
  • CA452384A - Method and means for supersonic inspection : en fr
  • CA452260A - Venetian blind : en fr
  • CA452418A - Polymer : en fr
  • CA452319A - Creaming of synthetic rubber latices : en fr
  • GB611961A - Improvements in ship ventilation : en
  • US2452576A - Method of growing crystals : en
  • AU139383B2 - An improved mixer for culinary and general use : en
  • CA452411A - Telephone system : en fr
  • ES18218U - Dish-pan (Machine-translation by Google Translate, not legally binding) : en es
  • US2452678A - Electromagnetic audible-signal device : en
  • CA452372A - Electron discharge device : en fr
  • US2452941A - Ventilator : en
  • CA452218A - Closing device for paper bags : en fr
  • US2452741A - Production of dibasic acids : en
  • US2453024A - Coupling : en
  • GB611816A - Improvements in or relating to switch devices comprising an auxiliary relay and a principal relay : en
  • AU127984B2 - Improvements in aerial arrays : en
  • AU146035B2 - Improvements in or relating to continuous process forthe production of lower aliphatic anhydrides : en
  • USD151625S - Design for a bridle bit : en
  • GB611653A - Improvements in cruets : en
  • CA452370A - Rotary impeller and the like : en fr
  • CA452339A - Manufacture of bulbs for electron valves and the like : en fr
  • US2452700A - Copolymers of 2,5-dimethyl-1,5-hexadiene and acrylic esters : en
  • GB611649A - Improvements in or relating to the manufacture of the envelopes of electron discharge and other evacuated devices : en
  • US2452597A - Low-temperature engine starting aid : en
  • AU128099B2 - Improvements relating to arrangements for selection of electrical pulses : en
  • GB611879A - Improvement in thread-cutting mechanisms for sewing machines : en
  • GB611722A - Improvements in or relating to multivibrator circuits : en
  • ES17278Y - Domino game. : en es
  • CA452299A - Refrigeration apparatus : en fr
  • AU2283548A - Method of oxidizing unsaturated fatty bodies : en
  • AU2347848A - Improvements in or relating to plastic coating compositions : en
  • CA452365A - Colour image projection system : en fr
  • FR939128A - Improvements to rectifiers associated with thermionic lamp assemblies : en fr
  • FR939034A - Rectifiers and their manufacture : en fr
  • US2452870A - Reaction product of rosin and copolymer of vinyl acetate and an alpha-unsaturated carboxylic acid ester and process of making same : en
  • DK67867C - Electrical wiring harness, preferably for connecting a switchboard cord to a plug. : da en
  • AU137773B2 - An improved burner for fuel oil : en
  • US2452785A - Trailer hitch : en
  • ES183242A1 - A CONCRETE FOR LIGHT CEMENT. : en es
  • FR939098A - Improvements to electric relaxation oscillators : en fr
  • AU144626B2 - Engine starter meshing means : en
  • CA452224A - Food processing machine : en fr
  • ES18214U - Pernito extensible. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18253U - Device for binding of pious books or others for periodic partial use. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611559A - Improvements in tyre-carrying rims for vehicle wheels : en
  • GB611754A - Improvements in or relating to level luffing jib cranes : en
  • GB611822A - Improvements in or relating to cutting tools : en
  • US2452969A - Pie container : en
  • US2452642A - Folding arm davenport : en
  • GB611526A - Improvements in and relating to electrical condensers : en
  • GB611998A - Improvements in or relating to flexible extensible and compressible tubes or pipes : en
  • GB611960A - Improvements in or relating to high frequency electrical filters for use in wave guides : en
  • FR939148A - Improvements to complementary signal radio receivers : en fr
  • FR939200A - Improvements to methods of attaching conductor wires to metal surfaces : en fr
  • GB611621A - Improvements in and relating to door and window frames : en
  • DK67883C - Agent for controlling harmful organisms. : da en
  • AU140753B2 - Apparatus for semi-wet development of photoprints : en
  • AU2282248A - A method of and means for scouring wool and recovering fatty acids andother substances therefrom : en
  • US2452807A - Sealed refrigeration unit : en
  • US2452991A - Liquid clarifying apparatus : en
  • US2453064A - Magnifying reading unit : en
  • DK67862C - Process for the preparation of α-bromopropiophenone. : da en
  • ES17145Y - Heel with replaceable support surface. : en es
  • US2452671A - Track-laying tractor : en
  • US2452877A - Tool bit and holder therefor : en
  • ES18240U - Machine for making rugs for carpets or other purposes (Machine-translation by Google Translate, not legally binding) : en es
  • ES18258U - Cuvette for refrigerators. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611933A - Improved method of manufacturing indirectly heated cathodes : en
  • FR939072A - Photoelectric cell rectifiers and the like : en fr
  • US2452574A - Method of welding seam portions of electrically conducting articles : en
  • ES166651A1 - IMPROVEMENTS IN OBTAINING COLORED CEMENT AND CEMENT MASSES. : en es
  • ES18209U - Pota.light portraits (Machine-translation by Google Translate, not legally binding) : en es
  • FR939085A - Type of electronic tubes whose various elements can be disassembled for the replacement of parts : en fr
  • FR939190A - Haloacrylic compounds : en fr
  • USD151607S - Button or similar article : en
  • US2453065A - Electric regulation : en
  • GB611734A - Improvements in or relating to automatic feed control of arc-light carbons : en
  • FR939009A - Method and apparatus for treating, mixing and stirring, and for treating and mixing or stirring liquids : en fr
  • GB611519A - Improvements in yarn winding and twisting machines : en
  • GB611531A - Improvements relating to the manufacture of weatherproof garments : en
  • US2452587A - Network measuring apparatus : en
  • US2452951A - Crystal oscillator circuits : en
  • GB611658A - Improvements in or relating to record changing gramophones : en
  • GB611836A - Improvements in or relating to permanent magnet material : en
  • GB611769A - Improvements in and relating to felt articles : en
  • GB611857A - Improvements in or relating to sand filters : en
  • ES17367Y - Acetylene welding gun. : en es
  • ES18221U - Cartridge spare container for distributors of pasty substances. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939158A - Improvements in electric relaxation oscillators : en fr
  • GB611614A - Method of and apparatus for separating oil from animal material : en
  • USD151636S - Design for a kitchen cabinet : en
  • GB611708A - A method of producing shaped articles from a plastic composition : en
  • GB611535A - Improvements in and relating to internal combustion engines of the fuel-injection compression-ignition type : en
  • GB611987A - Improvements in and relating to catalysts : en
  • US2452624A - Apparatus for testing insulation of electrical cables : en
  • US2453032A - Emergency telephone call and circuit therefor : en
  • US2452822A - Reflector : en
  • USD151627S - By attor : en
  • US2452635A - Absorption refrigerating system : en
  • US2452930A - Angle indicator : en
  • USD151657S - Design fob a puzzle or similar article : en
  • DK67864C - Process for the preparation of N-disubstituted carbamic acid esters of 3-oxypyridinium compounds. : da en
  • US2453062A - Production of alkylene cyanohydrins : en
  • ES18202U - Tiles (Machine-translation by Google Translate, not legally binding) : en es
  • FR939184A - Termination equipment for coaxial lines : en fr
  • US2452954A - Network analyzer apparatus : en
  • US2452934A - Mechanism for applying plastic crowns to containers : en
  • ES16975Y - Closing and opening of containers. : en es
  • US2453027A - Hinged back collapsible chair : en
  • AU2278848A - Engine starter meshing means : en
  • US2452936A - Adjustable baffle holding device : en
  • CA452316A - Preservation of natural oil bearing products during processing to remove oil therefrom : en fr
  • US2452590A - Electric signaling system : en
  • US2452672A - Manufacture of unsaturated organic compounds : en
  • AU1620647A - An improved receptacle-for newspapers and the-like : en
  • FR939192A - Process for obtaining resinous products derived from haloacrylic acid compounds : en fr
  • GB611719A - Improvements in or relating to electrical components having associated insulating sealing material : en
  • FR939131A - Method and apparatus for winding multiple strands : en fr
  • AU139722B2 - Improvements inx-ray tubes andthe like : en
  • US2452547A - Pulse modulation system of electric communication : en
  • USD151618S - Atomizer spray attachment for a container : en
  • US2452633A - Means for causing prerotation of aircraft wheels : en
  • GB611789A - Improvements in the mounting of electric lamp fittings : en
  • US2452563A - Circuits for repeating square shaped wave forms : en
  • DEN00045891AZ - Process for the production of crystalline products : de en
  • ES18201U - Fixing devices applicable to children's vehicles and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611695A - Improvements in connection with apparatus for cutting out articles from sheet material : en
  • FR939189A - Improvements in the production of haloacrylic compounds : en fr
  • US2452588A - Cable and cable connector fatigue testing machine : en
  • US2452989A - Cam grinding machine : en
  • FR939047A - Improvements to the protection of carrier wave transmitting systems : en fr
  • US2452580A - Termination for electric power cables : en
  • GB611702A - Improvement in method and apparatus for producing a series of die cast articles : en
  • CA452330A - Vinyl resin latex : en fr
  • US2452542A - Continuous process for making alkali cellulose : en
  • US2452869A - Hobbyhorse : en
  • US2452956A - Valve : en
  • AU1606347A - Improvements inx-ray tubes andthe like : en
  • AU138693B2 - 'Improvements in collapsible or folding cots and the like : en
  • AU141949B2 - Improvements relating to seats of motorcycles : en
  • US2452665A - Process for the separation of metals : en
  • AU138790B2 - Improvements in and relating to aggregating and displaying devices particularly applicable to totalisators : en
  • CA452284A - Exposure meter : en fr
  • AU139408B2 - Improved device for use in polishing articles : en
  • AU2348248A - 'Improvements in collapsible or folding cots and the like : en
  • AU1640247A - An improved eyepiece for aperture back sights for rifles and like firearms : en
  • CA452293A - Series variable speed drive : en fr
  • CA452344A - Rotary drum filter : en fr
  • CA452402A - Communication and control system for aeroplanes : en fr
  • CA452264A - Steam boiler : en fr
  • CA452417A - Polymerized mass : en fr
  • GB611648A - An improved rotary pump : en
  • CA452389A - Antenna system : en fr
  • ES17104Y - Pointing support in lines, applicable to auxiliary stands for typewriters, accounting books and the like. : en es
  • ES18175U - Composite floor for canvas shoes or similar. (Machine-translation by Google Translate, not legally binding) : en es
  • US2452691A - Isomerization of paraffinic hydrocarbons : en
  • US2453015A - Socket primarily for radio valves and the like : en
  • US2453103A - Decarboxylation of 3,4-dihydroxy-2,5-dicarboxythiophene : en
  • USD151669S - Youhouse rotor plane : en
  • GB611829A - Improvements in or relating to the treatment of textile fibrous materials with vinyl compounds : en
  • GB611852A - Improvements in or relating to the production of aqueous dispersions : en
  • GB611854A - Improvements in or relating to rotary condensers : en
  • GB611783A - Improvements in and relating to self-oiling wheels : en
  • GB611698A - Electromagnetic relay : en
  • CA452383A - High pressure fluid media containers, and method of filling and discharging same : en fr
  • CA452410A - Electrical conductor cable : en fr
  • GB611931A - Improvements in or relating to methods of and means for producing modulated ultra-short waves : en
  • US2453081A - Wide band amplifier : en
  • US2452907A - Magazine pencil of the pushbutton type : en
  • CA452272A - Dry filter : en fr
  • CA452334A - Evaporator unit : en fr
  • CA452373A - Reactance tube modulation : en fr
  • US2452852A - Heat reclamation attachment for heating furnaces : en
  • FR939167A - Improvements to printing machines : en fr
  • US2452643A - Disposable venoclysis set : en
  • US2452815A - Window construction : en
  • GB611921A - Improvements relating to fittings for the suspension of bodies on frames : en
  • GR11836B - HOW TO MAKE DOLLS BY PRESSURE PAPER. : el en
  • ES7360Y - Bottle for the inking of pads or buffers with strangled outlet and with a receiver and isolating device for the drops that could come off it. : en es
  • FR939124A - Further training in window frames, panel frames and the like : en fr
  • GB611635A - Improvements in or relating to cameras : en
  • US2452569A - Process of treating hydrocarbons in presence of hot contact masses : en
  • GB611811A - Improved means for imparting movement to a printing press bed or other member : en
  • DK67873C - Hollow artificial thread and method of its manufacture. : da en
  • USD151620S - Grabowski etal music cabinet : en
  • US2452598A - Multiple range indicator : en
  • US2453082A - Hoisting apparatus : en
  • IE18395L - Vitamin a acetate : en
  • CA452338A - Electrical contact brush : en fr
  • GB611935A - Improvements in and relating to portable cash boxes and similar receptacles : en
  • FR939197A - Improvements in the manufacture of magnetic powder : en fr
  • GB611627A - Improvements in bicycles : en
  • GB611951A - Improved thermostatic electric switch for oven control : en
  • USD151604S - Alfred denney : en
  • FR939170A - Improvements to thermoelectronic tube modulation devices : en fr
  • GB611665A - Improvements in the production of cellulose esters : en
  • GB611891A - Improvements in and relating to the manufacture of cartridge cases : en
  • GB611965A - Means for receiving sheet material for printing machine : en
  • CA452253A - Process for making urea-formaldehyde moulding composition : en fr
  • US2452983A - Process of desiccating food products : en
  • USD151638S - Design for a drumhead tensioning lug for drums : en
  • US2452754A - Variable power transmission : en
  • US2452942A - Temperature alarm system : en
  • USD151654S - Grille guard for automobile radiators : en
  • CA452378A - Electron discharge device having coupled co-axial line resonators : en fr
  • GB611918A - Control systems for vehicle brakes : en
  • FR939127A - Microphones : en fr
  • CA452388A - Improved alkylation of aromatics with recovery of unreacted aromatics : en fr
  • FR939174A - Improvements to pulse generators : en fr
  • AU2344148A - An improved mixer for culinary and general use : en
  • US2452594A - Method of refrigeration employing dry ice : en
  • US2453070A - Organic peroxide composition : en
  • US2452973A - Bilge water pumping apparatus : en
  • ES18219U - Improved washer. (Machine-translation by Google Translate, not legally binding) : en es
  • DK67888C - Process for the production of air and water vapor impermeable, water resistant paper or cardboard. : da en
  • GB611683A - Detergent compositions : en
  • GB611959A - Arrangement for steam turbines with at least two labyrinth packings adapted to resist different high pressures : en
  • ES18242U - Closing applicable to jewelery and jewelry items. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611574A - Improvements in or relating to cooking utensils : en
  • GB611978A - Improvements in and relating to cutting, counting, and marking sheets of paper, card and the like : en
  • US2452536A - Process for impregnating leather with sulfonated polymeric compositions : en
  • US2452595A - N(ethyl mercury) para-toluene sulfonanilide and method of making same : en
  • US2452881A - Safety valve coffee maker : en
  • ES184637A1 - A ELASTIC CLUTCH MECHANISM APPLICABLE TO THE WHEELS OF THE MECHANICAL AND SIMILAR TRACTION VEHICLES. : en es
  • CA452276A - Specimen holder for x-ray analysis : en fr
  • ES18166U - Plug. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611969A - Improvements in the manufacture of target boards for games or sports and target boards so produced : en
  • GB611508A - Improvements in or relating to shortenings : en
  • ES183622A1 - IMPROVEMENTS IN THE HUSKS FOR HILAR OR TORCER MACHINES. : en es
  • FR939021A - Super-responsive, low-disturbance, high-sensitivity receiver : en fr
  • GB611972A - Improvements in or relating to machines adapted for lasting shoes : en
  • USD151650S - Naiden beverage dispenser : en
  • GB611540A - Improved method of manufacturing a selenium blocking-layer cell : en
  • GB611589A - Improvements in or relating to bleaching processes : en
  • FR939052A - Improvements to dry straighteners : en fr
  • GB611819A - Improvements in or relating to apparatus for electrically treating fluids : en
  • GB611922A - Improvements in or relating to an indicator for hanging filing system : en
  • GB611932A - Improvement in clip jewellery : en
  • FR939107A - Radio guidance systems and the like : en fr
  • FR939004A - Improvements to antenna systems : en fr
  • GB611909A - Improvements in means for regulating the pressure in the induction piping of internal-combustion engines : en
  • US2453052A - Stain resistant plasticized polyvinyl chloride resin coatings : en
  • ES18203U - Cardboard-lime perfected for injectable ampoules and similar (Machine-translation by Google Translate, not legally binding) : en es
  • CA452215A - Bather's garment : en fr
  • ES17208U - Blind elevator (Machine-translation by Google Translate, not legally binding) : en es
  • GB611606A - Improvements in and relating to clockwork-operated time fuzes for projectiles : en
  • GB611654A - Pumps, motors, compressors, engines, gears, and the like, of the rotary type : en
  • GB611782A - Improvements in the construction of toys such as model yachts : en
  • US2452615A - Electric supervisory apparatus : en
  • US2453068A - Apparatus for depositing material in well holes : en
  • GB611731A - Improvements in or relating to control circuits for relaxation oscillators : en
  • CA452403A - Apparatus for communication systems : en fr
  • CA452386A - Improved ethylation of benzene using a halide promoter : en fr
  • CA452415A - Magnetic recorder : en fr
  • USD151640S - Twin drumhead tensioning lug for drums : en
  • US2452782A - Construction of rotors for compressors and like machines : en
  • US2452804A - Machine construction : en
  • AU2491545A - Improvements in, or relating to, constructional metal frameworks for buildings : en
  • ES17982Y - Family electric coffee maker : en es
  • ES18247U - New latch and adjustable arrangement for tilting the backrest in children's rolling chairs. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939119A - Magnetic and dielectric properties of materials and their electrical conductivity : en fr
  • FR939151A - Brake improvements : en fr
  • FR939031A - Improvements to tone control circuits in radio receiving devices : en fr
  • GB611882A - A new or improved toy : en
  • US2452652A - Glass sealing method and machine : en
  • FR939181A - Improvements in scale graduation devices : en fr
  • GB611661A - Improvements in or relating to the manufacture of files or other similar articles : en
  • GB611736A - Loop antenna : en
  • US2453010A - Dog collar : en
  • AU2339448A - Improvements in or relating to devices for arresting a shaft by anyone ofa number of pawls arranged around the shaft : en
  • USD151661S - Design for a calendar pencdl : en
  • ES16567Y - Protective device to prevent the introduction of snow into the shoes : en es
  • CA452261A - Venetian blind slat : en fr
  • CA452321A - Creaming of synthetic rubber latices : en fr
  • CA452335A - Air cleaner : en fr
  • CA452426A - Razor blade sharpening apparatus : en fr
  • CA16540S - Aerial supporing bracket : en
  • USD151579S - Design for an occasional table : en
  • CA452300A - Brake and sanding control apparatus : en fr
  • US2453016A - Grain elevator and treating apparatus : en
  • CA452246A - Folding bayonet for firearms : en fr
  • CA452221A - Billboard framing and blanking means : en fr
  • GB611768A - Improvements in or relating to gas turbines : en
  • GB611507A - Improvements in free piston internal combustion engine compressors or gas generators : en
  • US2452681A - Heavy-duty trailer : en
  • US2453096A - Draft regulator : en
  • AU145510B2 - Method of oxidizing unsaturated fatty bodies : en
  • CA452361A - Cash register : en fr
  • CA452317A - Stress-relief : en fr
  • CA452367A - Apparatus for bleaching flour : en fr
  • GB611905A - Improvements relating to the alkylation of isoparaffins : en
  • AU138481B2 - Improved'hydraulic hoist for clotheslines : en
  • US2452712A - Method of producing hydrocarbon and the like : en
  • US2452607A - Methods of packaging : en
  • AU2349648A - A method of separating different components in liquid suspension and centrifugal separator therefor : en
  • AU2278948A - Improvements in or relating tothe construction of walls orthe like formed'by means of shuttering : en
  • US2452603A - Metal contact rectifier : en
  • US2452857A - Piston ring tool : en
  • US2453077A - Can dumping machine : en
  • USD151642S - Design for a vehicle trailer : en
  • US2452558A - Fuse : en
  • US2452586A - Phase shift circuits : en
  • US2452618A - Snubbing device for catapults : en
  • US2452833A - Hardness testing device : en
  • US2452864A - Motor mechanism : en
  • FR939033A - Broadcasting antennas : en fr
  • GB611983A - Improvements in or relating to broadcast and other radio systems : en
  • CA452237A - Ink applicator : en fr
  • ES18161U - Protective brush sleeve for painter's shaving and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611810A - Improvements in or relating to the control of alternating currents in parallel-connected load-circuits : en
  • USD151583S - Beck airplane : en
  • US2452707A - Art of ornamented knitted article manufacture : en
  • US2452543A - Apparatus for burning liquid fuel in the presence of gas under pressure : en
  • US2452747A - Multiple switch : en
  • GB612003A - Improvements in or relating to the filling of shoe-bottom cavities : en
  • ES18220U - Toy (Machine-translation by Google Translate, not legally binding) : en es
  • GB611773A - Improvements relating to the seats of motor vehicles : en
  • GB611586A - Improvements relating to yarn winding machines : en
  • GB611732A - Improvements in magnetron anodes : en
  • GB611824A - Improvements in the construction of tables : en
  • FR939025A - Improvements to oscillation generators : en fr
  • FR939067A - Improvements made to vehicle bodies : en fr
  • DK67880C - Cigarette lighters. : da en
  • GB611563A - Improvements in or relating to gas-operated firearms : en
  • GB611920A - A process for the removal of impurities of an organic nature from aqueous liquids by means of resin gels : en
  • US2452734A - Insulation cutter : en
  • USD151664S - Teague ej al fountain pen or similar article : en
  • GB611962A - Improvements in or relating to horticultural frames or cloches : en
  • GB611689A - Improvements in or relating to duplicate writing appliances : en
  • AU2262445A - Multiplex receiver : en
  • GB611794A - Improvement in adjustable fastening devices : en
  • US2452534A - Production of biochemically processed liquid base material for food products : en
  • US2452711A - Refrigerating apparatus : en
  • CA452274A - Air cleaner : en fr
  • FR939118A - Improvements in wire straightening processes and apparatus : en fr
  • GB611693A - Improvements in trap doors : en
  • GB611900A - Improvements in or relating to electrical condensers : en
  • ES18170U - Interruptible passage connection and sliding connection (Machine-translation by Google Translate, not legally binding) : en es
  • US2452692A - Duck strap : en
  • GB611666A - High-frequency signalling system : en
  • ES17343Y - Perfected switch. : en es
  • FR939175A - Laminated core improvements for transformers and other electrical devices : en fr
  • US2452589A - Electric remote control and indication system : en
  • US2452997A - Rectal spray depurator : en
  • FR939093A - Improvements to automatic frequency control oscillators : en fr
  • ES18226U - Electric garland (Machine-translation by Google Translate, not legally binding) : en es
  • GB611793A - Improvements relating to control systems for discharge lamps : en
  • GB611558A - Improvements in or relating to telephone instruments : en
  • GB611784A - Improvements in and relating to apparatus for loading and conveying materials : en
  • FR939070A - Improvements to facsimile telegraph devices : en fr
  • FR939160A - Improvements in the assembly of filaments in vacuum tubes : en fr
  • ES18167U - Faucet-valve for spears or sulfatar rods, spray and for other similar devices. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611705A - Improvements in or relating to hollow rubber toys : en
  • DK67884C - Band-shaped body for making protective sleeves for insulating material. : da en
  • FR939165A - Improvements to impedance coils : en fr
  • US2452816A - Jaw-supporting appliance : en
  • USD151660S - Design for a combination clock : en
  • US2453085A - Thiophene-aldehyde synthetic resins : en
  • US2452802A - Counterbalancing attachment for pumps : en
  • USD151590S - Design for a dressing table : en
  • GB611728A - Improvements in variable-frequency radio signalling apparatus : en
  • GB611895A - Improvements in or relating to doors : en
  • US2453095A - Plural stage refrigeration system and control therefor : en
  • US2452890A - Coupling for tubes : en
  • AU1690647A - Improved'hydraulic hoist for clotheslines : en
  • GB611641A - Improvements in or relating to equipment stands : en
  • ES18241U - Can opener (Machine-translation by Google Translate, not legally binding) : en es
  • GB611968A - Improvements in the manufacture of target boards for games or sports and target boards so produced : en
  • GB611991A - Improvements in or relating to the production of heterocyclic substituted phenacylpyridines : en
  • US2453030A - Rack for poker chips and the like : en
  • GB611913A - Improvements in or relating to refrigeration and cold storage installations on fishing vessels : en
  • GB611950A - Improved means for controlling electrical circuits by fluid pressure : en
  • FR939060A - Apparatus for transmitting images and the like : en fr
  • US2452564A - Direction finder : en
  • GB611990A - Impregnating compositions : en
  • FR939048A - Electrode improvements for electronic discharge devices : en fr
  • GB611532A - Improvements in and relating to safety razors : en
  • FR939154A - Improvements to induced current couplings : en fr
  • US2452661A - Homogenizer : en
  • ES18191U - Type of sandal with shovel formed by tubular plastic elements. (Machine-translation by Google Translate, not legally binding) : en es
  • US2453034A - Fastening means : en
  • US2453080A - Liquid measuring and dispensing apparatus : en
  • US2452966A - Dynamoelectric machine : en
  • GB611730A - Improvements in or relating to dew-point indicators : en
  • US2452987A - Calculating machine : en
  • ES18254U - Folding chair, simplified, for children. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611610A - Methods of and apparatus for electrolytically cleaning or descaling the internal surface of a hollow metal article, such as the internal surface of a hollow metal valve : en
  • GB611975A - Improved power transmission means : en
  • FR939042A - Facsimile recording device : en fr
  • GB611583A - Novel or improved device for use in grinding pigment or other powdered material : en
  • GB611873A - Improvements relating to electro-magnetic clamps, vices and the like : en
  • GB611936A - Improvements in hydraulic coupling transmissions for motor vehicles : en
  • USPP810P - Rose plant : en
  • US2452780A - Nonpulsating internal-combustion heater : en
  • US2452904A - Brooder : en
  • GB611595A - A process for the hardening of soil and the like : en
  • FR939061A - Frequency discriminating circuits : en fr
  • FR939152A - Improvements in the manufacture of cables for electrical communications : en fr
  • GB611984A - Improvements in and relating to the extraction and purification of streptomycin : en
  • GB611765A - An improved drilling machine : en
  • FR939050A - Improvements to electrical conductors : en fr
  • US2453042A - Gauge for measuring and indicating the hardness of various substances : en
  • FR939111A - Microphone improvements : en fr
  • GB611883A - Improvements relating to gas or electric fire mountings : en
  • ES18145U - Drum for graters for domestic use. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18199U - Windshield wiper perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2452548A - Electronic transformer control : en
  • US2452656A - Portable liquid heater : en
  • CA452385A - Production of ethyl benzene : en fr
  • AU139902B2 - Improvements relating to speed and acceleration control systems : en
  • AU2354948A - Control systems and apparatus for aircraft : en
  • CA452337A - Radio altimeter : en fr
  • US2452765A - Multilayer photographic element having a mixed grain emulsion and process employing it : en
  • US2452557A - Protected tube and method : en
  • US2452998A - Pneumatic tire : en
  • AU142154B2 - Improvements in and relating to gang cultivators : en
  • US2452659A - Car wheel assembly : en
  • US2452862A - Electric gauging head : en
  • CA452353A - Preparation of soluble salts of amidine derivatives : en fr
  • DK67894C - Vadsæk. : da en
  • ES13240Y - Small size, electrically driven coffee grinder. : en es
  • GB611536A - Hammer-locked struts for mine arches and like constructions which need lateral support : en
  • US2452715A - Concealed venting means for stoves : en
  • US2452933A - Beverage mixing and dispensing device : en
  • FR939024A - Synchronizer for oscillators : en fr
  • US2452608A - Iron oxide pigments and method of producing the same : en
  • US2453099A - Treatment of calcium sulfite : en
  • ES18190U - Single-pole plug (Machine-translation by Google Translate, not legally binding) : en es
  • ES183755A1 - A PROCEDURE FOR PRINTING FABRICS SIMULTANEOUSLY FOR BOTH SIDES TO ONE OR SEVERAL INKS. : en es
  • US2452906A - Mechanical pencil of the pushbutton type : en
  • US2452971A - Treatment of water : en
  • US2452761A - Method of forming slabs of organic plastic material : en
  • US2452776A - Toy moving picture projector : en
  • US2452891A - Garment clamp : en
  • FR939193A - Process for preparing esters of alpha-haloacrylic acids : en fr
  • GR11835B - AUTOMATIC LEVER. : el en
  • ES18213U - Fittings for locks. (Machine-translation by Google Translate, not legally binding) : en es
  • US2452873A - Automatic builder motion knockoff for roving frames : en
  • US2453031A - Cinematographic apparatus : en
  • US2452551A - Rectifier type measuring instrument : en
  • GB611670A - Improvements in or relating to cattle bowls : en
  • US2452617A - Gas operated shoulder weapon : en
  • US2452728A - Couplings for flexible hose : en
  • US2452928A - Treatment of water : en
  • USD151594S - Design for a wallpaper or the like : en
  • US2452670A - Breathing apparatus : en
  • US2452935A - Apparatus for treating seeds with chemical dust and bagging the seeds : en
  • AU2311248A - Improvements in or relating to continuous process forthe production of lower aliphatic anhydrides : en
  • US2452746A - Aerial toy : en
  • GB611744A - Means for reducing the diameter of metal bars by rolling : en
  • GB611749A - Improvements in or relating to electronic commutators or the like : en
  • GB611808A - Improvements relating to yarn winding machines : en
  • GB611520A - Improvements in or relating to d.c. operated impulse clocks and clock systems : en
  • GB611591A - Improvements in and relating to ironing machines : en
  • US2452573A - Direct-current apparatus for welding utilizing energy storage apparatus : en
  • AU1635947A - Combination closure and pouring device for containers : en
  • GB611660A - Improved process of producing cracklings : en
  • GB611803A - Improvements in or relating to catadioptric lens systems : en
  • FR939135A - Improvements to assemblies of resonator elements : en fr
  • FR939084A - Improvements in anode construction : en fr
  • GB611618A - Electronic valve apparatus for electrotherapy : en
  • GB611964A - Method of applying coating films : en
  • GB611515A - An improved heat-resisting machinable alloy for use as electric resistance material for high temperatures as well as for manufacturing details of construction exposed to high temperatures : en
  • GB611566A - Improvements relating to steam cooking apparatus : en
  • GB611870A - Improvements in or relating to machines for treating textile goods with dyes and other liquids : en
  • AU129502B2 - Improvements in, or relating to, constructional metal frameworks for buildings : en
  • US2452896A - Cement mixer : en
  • DK67892C - Device with pencils. : da en
  • ES18206U - Toy bed. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2351648A - Improvements in or relating to radio communication systems and apparatus : en
  • AU142044B2 - Improvements in or relating to apparatus for use in detecting the passage of objects : en
  • CA452255A - Measuring apparatus for workpieces : en fr
  • CA452360A - Locking latch : en fr
  • US2452686A - Ice tray : en
  • US2452965A - Bearing for spindles and the like : en
  • ES18197U - Case-case (Machine-translation by Google Translate, not legally binding) : en es
  • GB611630A - Improvements in and relating to the making of glass fibers : en
  • DK67866C - Method for manufacturing printing plates. : da en
  • US2452876A - Welding rod and electrode holder : en
  • US2453045A - Electric terminal receptacle : en
  • AU144989B2 - Improvements in and relating to reservoir writing instruments : en
  • US2452773A - Cutting table : en
  • AU137774B2 - An improved receptacle-for newspapers and the-like : en
  • CA452311A - Electronic weft detector for looms : en fr
  • DK67893C - Automatic firearm with double charge protection. : da en
  • CA452257A - Venetian blind : en fr
  • AU2345548A - Improvements relating to television and like transmitting apparatus : en
  • GB611626A - Improvements in radio-telegraphy : en
  • US2452610A - Extrusin machine for producing power cables : en
  • GB611717A - Improvements in or relating to oiling devices for spinning machines of the dead spindle type : en
  • GR11841B - ELECTRIC HEATING BODY HEATER. : el en
  • CA452214A - Electric heating element : en fr
  • CA452412A - Testing system for impulse generator : en fr
  • ES183725A1 - A PROCEDURE TO MANUFACTURE CONTINUOUS SOILS. : en es
  • GB611628A - Improvements relating to automatic unloading valves for hydraulic pressure supply systems : en
  • CA452313A - Clutch mechanism : en fr
  • CA452302A - Fluid pressure brake apparatus : en fr
  • US2452736A - Method of treating oil wells : en
  • US2452756A - Sewing-machine hook mechanism : en
  • US2452913A - Method of producing calcium hydrides by distillation : en
  • GB611894A - Improvements in and relating to methods of treating electrical coils : en
  • GB612004A - Improvements in and relating to portable cash boxes and similar receptacles : en
  • GB611642A - An improved manufacture of composite materials containing hydrocarbon copolymers and bituminous materials : en
  • GB611847A - Improvements in or relating to photographic emulsions : en
  • GB611796A - Process for improving the physical characteristics of vinyl resin filaments, threads, yarns and the like : en
  • GB611524A - Improvements in or relating to coke oven door handling apparatus : en
  • US2452949A - Sulfolanyl sulfones : en
  • US2453063A - Undergarment : en
  • AU2281448A - Improvements in flying controls for aircraft : en
  • FR939022A - Multi-channel, phase-modulated carrier transmission system : en fr
  • US2452664A - Interpolating potential divider and computer : en
  • CA452427A - Hardened metal article and method of making same : en fr
  • CA452233A - Fish pole coupling : en fr
  • CA452387A - Process for alkylating aromatic hydrocarbons : en fr
  • US2452755A - Compressed laminated machine roll : en
  • US2452679A - Radio-frequency transformer : en
  • CA452297A - Deceleration control apparatus : en fr
  • CA452229A - Vehicle brake : en fr
  • ES18187U - Removable toy (Machine-translation by Google Translate, not legally binding) : en es
  • US2452688A - Combination emergency wheel and antiskid device : en
  • ES18137U - Apparatus for inflating tires of motor vehicles or the like. (Machine-translation by Google Translate, not legally binding) : en es
  • USD151592S - Design fob a wallpaper or the like : en
  • CA452289A - System for directly transforming the frequency of polyphase alternating currents : en fr
  • CA452254A - Composition for and method of coating aluminum : en fr
  • GB611513A - Improvement in systems for forming images of heat radiating objects : en
  • US2452839A - Collar can collar structure : en
  • FR939039A - Automatic telegraphy improvements : en fr
  • GB611791A - An improved display stand : en
  • GB611892A - Improvements in or relating to means for peeling and washing potatoes and the like : en
  • US2453021A - Handbag lock : en
  • US2452823A - Cable splice : en
  • GB611700A - Improved manufacture of organo-siloxanes : en
  • GB611953A - Improvements in or relating to the manufacture of electrical induction apparatus : en
  • US2452817A - Toy bombing game : en
  • USD151589S - Design for a dresser : en
  • US2452917A - Electrode contact : en
  • US2453074A - Apron : en
  • US2452613A - Method of determining effect of mold conditions on metal castings : en
  • US2452859A - Deodorizing and steam condensing device : en
  • FR939059A - Improvement in radio beacons : en fr
  • AU138789B2 - A method of and means for scouring wool and recovering fatty acids andother substances therefrom : en
  • US2452729A - Mercury leveling clamp : en
  • US2452837A - Vending apparatus : en
  • US2453039A - Manufacture of resins from sulfur dioxide and unsaturated organic compounds : en
  • USD151637S - Display cabinet for greeting cards : en
  • AU2342648A - Improvements in or relating togas-shielded electric arc welding : en
  • US2452959A - Machine for thermoplastically treating materials : en
  • US2452582A - Lead connector for electronic discharge devices : en
  • AU140251B2 - Alog dressing machine : en
  • US2452616A - Zirconium lakes and method of making same : en
  • US2452791A - Fluorohydracrylic acids and their esters : en
  • US2452628A - Method of making hollow poppet valves : en
  • US2452750A - Supplemental therapeutic food : en
  • GB611989A - Improvements in or relating to radio receivers : en
  • ES18179U - Improved clamp, especially applicable to the unión of flexible tubes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611943A - Improvements in or relating to electric plug contacts : en
  • GB611818A - Improvements in bearings : en
  • CA452357A - Apparatus for colorimetric gas investigation : en fr
  • US2452795A - Eraser holding mechanism : en
  • CA452216A - Attachment for curtain rods : en fr
  • CA452331A - Apparatus for applying the locking members of separable fasteners onto the stringers thereof : en fr
  • GB611832A - A foldable reclining chair : en
  • DK67881C - Electric cigarette lighter. : da en
  • US2452892A - Igniter for rockets : en
  • US2453006A - Batch feed hopper for garbage grinders : en
  • GB611671A - Improvements connected with games : en
  • US2452923A - Mechanical stirrer : en
  • GB611934A - Improvements in or relating to fluid pressure energy storing means : en
  • CA452423A - Stretching and laminating film : en fr
  • AU142431B2 - Improvements in flying controls for aircraft : en
  • US2453012A - Flexible rotary coupling : en
  • AU144411B2 - Improvements in or relating to plastic coating compositions : en
  • US2452744A - Floor cleaning machine : en
  • US2453073A - Slip-ring structure : en
  • US2452886A - Wheel chair : en
  • USD151656S - Design fob a handbag : en
  • FR939062A - Rectifier systems : en fr
  • GB611571A - Improvements in or relating to apparatus for removing dust and waste products from machinery during manufacturing and like operations : en
  • GB611815A - Improvements in or relating to devices comprising a cathode ray oscillograph : en
  • CA452295A - High frequency radiating system : en fr
  • US2452583A - Sleeve valve engine : en
  • US2453018A - Car cooler : en
  • US2452792A - Collapsible stand : en
  • US2453009A - Ventilating device : en
  • CA452226A - Wheel balancer : en fr
  • US2452710A - Tongue stabilizer for vehicles : en
  • US2452803A - Self-adjustable shoe upper : en
  • US2452871A - Ash tray : en
  • AU144672B2 - Improvements in or relating to circuit arrangements for counting pulses : en
  • AU2308248A - Improvements in or relating tothe catalytic treatment with hydrogen of glyceride oils and manufacture of nickel-alumina-silica catalysts for use in such treatment : en
  • US2452581A - Turbogenerator : en
  • US2452695A - Baseball mitt : en
  • US2452829A - Tractor attaching structure for implements : en
  • FR939026A - Automatic facsimile systems : en fr
  • US2453023A - Machine for testing materilas constrained to alternate flexure : en
  • AU2351548A - Improvements in or relating to apparatus for use in detecting the passage of objects : en
  • CA452296A - Motor starting by means of capacitors : en fr
  • CA452325A - Steam separator : en fr
  • CA452265A - Arc welding apparatus : en fr
  • USD151624S - Design for a utility cabinet : en
  • CA452341A - Conveyer angle turn construction : en fr
  • CA452242A - Frozen confection mould : en fr
  • CA452342A - Shaker conveyer drive construction : en fr
  • ES16965Y - Perfect binder for single sheets. : en es
  • US2453028A - Tape dispenser : en
  • ES18207U - Cellular support for the packaging of injectable bottles (Machine-translation by Google Translate, not legally binding) : en es
  • GB611669A - Improvements relating to mudguards for perambulators or the like : en
  • GB611680A - New or improved mitten : en
  • CA452398A - Variable ratio steering assembly : en fr
  • FR939086A - Mounting of carbon electrodes : en fr
  • AU143275B2 - A method of separating different components in liquid suspension and centrifugal separator therefor : en
  • AU2279648A - Improvements inthe production of flameproof fabrics : en
  • US2452716A - Deaerating heater : en
  • US2452545A - Ammunition chest : en
  • US2452924A - Pot burner having segmental air directing means : en
  • FR939078A - Processes for welding thermoplastics : en fr
  • GB611721A - Improvements in continuous-flow retorts for carbonizing solid fuels, to produce gas rich in hydrogen : en
  • CA452281A - Radio distance measuring apparatus : en fr
  • AU1606447A - Improvements inx-ray or like apparatus : en
  • US2452828A - Boring head : en
  • US2453071A - Desensitization of solid organic peroxides : en
  • CA16564S - Bracelet : en
  • FR939176A - Improvements to vehicle passage indicators : en fr
  • GB611548A - A system for controlling the frequency of oscillators before operating in synchronism, particularly radio diffusion emitters on communal wave lengths : en
  • CA452369A - Rotor for multi-stage axial flow compressors and turbines : en fr
  • CA452351A - Bleaching process : en fr
  • US2453050A - Process of smelting titaniferous ore : en
  • US2452680A - Curtain and shade support : en
  • USD151626S - By attorned : en
  • ES18205U - Roller blind of wood. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611593A - Improvements in the manufacture of primary amines : en
  • GB611662A - Improvements in dyeing : en
  • GB611737A - Electrode system for negative glow discharge lamps : en
  • GB611748A - Improvements in or relating to blades for propellers, helicopter rotors or the like : en
  • US2452719A - Bearing lubrication : en
  • US2452932A - Electrical connector : en
  • US2452638A - Package extractor : en
  • US2452690A - Check strap : en
  • GB611756A - Improved power take-off for automobiles : en
  • FR939002A - Synchronization method for television systems : en fr
  • US2452919A - Electron optical system : en
  • GB611585A - Improvements relating to the treatment of concrete : en
  • GB611655A - A warp beam weighting motion for looms for weaving : en
  • US2452654A - Method of graveling wells : en
  • US2453040A - Art of treating leafy vegetables : en
  • GB611781A - Improved thermal device for effecting electrical switching operations : en
  • GB611820A - Improvements in or relating to door securing and releasing mechanism : en
  • GB611580A - Improvements relating to puzzles : en
  • FR939129A - Improvements in the manufacture of electric coils : en fr
  • CA452241A - Clasp : en fr
  • ES18248U - Mango provided with its own light to receive all kinds of work tools (Machine-translation by Google Translate, not legally binding) : en es
  • DK67871C - Gas burner. : da en
  • GB611712A - Shielded connector arrangement for cathode leads of electron discharge devices : en
  • GB611805A - Improvements in and relating to drilling jigs : en
  • US2452614A - Electrical test circuit : en
  • ES18168U - Cannulas for irrigations (Machine-translation by Google Translate, not legally binding) : en es
  • GB611555A - Improvements in chamber pots : en
  • GB611588A - An improved snap fastener : en
  • GB611619A - Improvements in or relating to pressure regulating valves : en
  • GB611523A - High vacuum electron discharge device : en
  • GB611688A - Improvements in or relating to thermionic-discharge devices : en
  • GB611718A - Improvements in or relating to moulded tubular elements particularly intended for use in the rapid construction of hutments or other structures : en
  • GB611917A - Improvements relating to the removal of sulphuretted hydrogen from gases : en
  • FR939028A - Metal straighteners : en fr
  • GB611925A - Improvements relating to turntables, for example for supporting electric furnaces : en
  • CA452249A - Painting machine : en fr
  • GB611771A - Improved brick or block for use with reinforced concrete in the construction of beams : en
  • CA452277A - X-ray technique : en fr
  • GB611743A - Improvements in or relating to apparatus for marking traffic lines on foot paths or roads : en
  • GB611867A - Improvements in means for closing the winding-slots of dynamo-electric machines : en
  • US2452758A - Vehicle frame joint : en
  • GB611788A - Improvements in or relating to the manufacture of paper bags : en
  • GB611949A - Improvements relating to the truing of small gear-wheels : en
  • GB611904A - Improvements in or relating to the production of aqueous emulsions of film-forming synthetic plastic materials : en
  • GB611757A - Improvements in warping and beaming machines used in the textile industries : en
  • GB611877A - Improvement in thread-trimming and pull-off mechanisms for sewing machines : en
  • FR939054A - Subscriber telephone device : en fr
  • GB611760A - Improvements in line-carrying rockets : en
  • USD151599S - Design for a toy rattle or similar article : en
  • US2452880A - Electronic voltmeter : en
  • USD151659S - Design for a fishing lube : en
  • GB611703A - Improvement in method of forming and trimming die castings : en
  • GB611833A - An improved keyless lock : en
  • CA452368A - Fluid flow energy transformer : en fr
  • ES18238U - Folder for books and magazines. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611657A - Improvements in or relating to milling cutters : en
  • GB611872A - Improvements in or relating to the escapement mechanism of typographical composing machines : en
  • FR939088A - Control systems for speed modulated tubes : en fr
  • US2452889A - Flexible coupling : en
  • GB611652A - Bag making machine : en
  • GB611863A - Improvements in or relating to bows for musical instruments : en
  • US2452830A - Combination microphone and control means for dictating machines : en
  • US2453044A - Process for producing cyclopentadiene and its homologues : en
  • GB611576A - Improvements in machines for doubling or twisting yarns threads and the like : en
  • ES18165U - Continuous pen model. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939063A - Application of fluorescent substances to electron tubes : en fr
  • FR939069A - Casings for electronic tubes and the like : en fr
  • ES18164U - Luggage carrier, applicable to the rear wheel sills of bicycles and motorcycles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939099A - Landing radio beacons : en fr
  • GB611957A - Improvements in weft stop motions for circular looms : en
  • US2453098A - System for transmitting motion from a movable measuring element to a movable informing element : en
  • GB611539A - Improvements in or relating to cash registers and similar accounting machines : en
  • GB611779A - Improvements in or relating to portable skeleton mast : en
  • GB611849A - Improvements in or relating to machine heads for musical string instruments such as guitars, banjos, violoncellos and the like : en
  • US2453043A - Hair net : en
  • US2452620A - Electrode support in television tubes : en
  • US2452738A - Electric marking device : en
  • US2452748A - Music instruction device for use with the piano : en
  • FR939105A - Method of establishing alternating current electric relays, sensitive to the power factor of the load, and with instantaneous, almost instantaneous or delayed operation : en fr
  • US2452810A - Seed potato cutting machine : en
  • GB611795A - Improvements in door-locking apparatus : en
  • FR939198A - Process for obtaining sulfuric esters of cellulose : en fr
  • GB611679A - Improvements in or relating to means for clearing obstructions in waste-traps, waste-pipes, and the like : en
  • US2452684A - Portable hod stand : en
  • US2452885A - Hydraulic shock absorber : en
  • ES18423U - Horn horn warning. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611853A - Improved process for degreasing hides and skins : en
  • GB611992A - Improvements in electrical remote control systems : en
  • US2453066A - Changeable key cylinder lock : en
  • AU139000B2 - Improvements in or relating tothe construction of walls orthe like formed'by means of shuttering : en
  • GB611924A - An improved process for gas generation from solid carbonaceous material : en
  • USD151652S - Design fob a grille guard for automobile radiators : en
  • US2452703A - Drill grinding machine : en
  • US2453041A - Self-locking pliers with crossed handles : en
  • USD151597S - Design for a clip for mirrors or glass panels : en
  • US2452848A - Electric piano action : en
  • US2452666A - Fish canning machine : en
  • FR939079A - Treatment of metallic surfaces coated with selenium : en fr
  • GB611774A - Improvements in or relating to chairs, tables and the like : en
  • GB611967A - Improvements in or relating to thermostatically controlled electric irons : en
  • FR939074A - Insulating materials and manufacturing methods : en fr
  • FR939116A - Improvements to pulse signaling systems : en fr
  • GB611598A - Boron-containing molybdenum steel : en
  • GB611817A - Improvements in or relating to trip means for electric circuit breakers : en
  • US2452759A - Insecticide containing methylated naphthalene and 4,4' dichloro-di-phenyl-trichloroethane : en
  • GB612001A - Alloys for high temperature use : en
  • US2453059A - Stocking stretcher : en
  • FR939092A - High frequency loop antenna devices : en fr
  • GB611840A - Improvements in or relating to food freezing apparatus : en
  • US2452555A - Friction nozzle : en
  • US2452771A - Picker spindle : en
  • US2453087A - Photographic developers containing tetrazolyl disulfides as antifogging agents : en
  • US2452850A - Dump body for trucks : en
  • US2452943A - Catalyzed sulfamic acid sulfation : en
  • US2452883A - Antisplash heel : en
  • US2452952A - Carton : en
  • US2453026A - Cigarette extinguisher and ash tray : en
  • ES18184U - Stones or millstones, artificial, for the grinding of all kinds of products. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18169U - Stopcock for sanitary devices. (Machine-translation by Google Translate, not legally binding) : en es
  • CA452212A - Method and means for testing spraying devices : en fr
  • CA452346A - Cotter key : en fr
  • US2453091A - Spirit level : en
  • FR939053A - Improvements to telegraph facsimile reproduction devices : en fr
  • GB611963A - Improvements in or relating to plant or like guards or cloches : en
  • GB611901A - Improvements in or relating to liquid spray nozzles : en
  • GR11832B - BOX LOCKS. : el en
  • FR939157A - Improvements to negative feedback electrical amplifiers : en fr
  • GR11840B - METHOD OF MANUFACTURING IRRIGATION CEMENT PIPES. : el en
  • IE18740L - Drilling machine. : en
  • GB611517A - Improvements in or relating to telephonic call magnetos : en
  • USD151601S - Perfume bottle holder or similar article : en
  • FR939046A - Facsimile telegraphy recorder : en fr
  • ES18232U - Device for filling narrow-mouth bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611937A - An improved gramophone pick-up : en
  • GB611650A - Improvements in or relating to blades for internal-combustion turbines : en
  • US2452568A - Switching device : en
  • USD151647S - Marrow house : en
  • GB611766A - A device for facilitating the greasing of bread tins, cake tins, pans, and other similar articles : en
  • USD151668S - Design for an iron stand : en
  • GR11837B - HOW TO MAKE A LAMP Wick. : el en
  • FR939094A - Improvements to frequency changing radio receivers : en fr
  • GB611797A - Improvements in or relating to table trolleys : en
  • CA452232A - Sprinkler of the spinner type : en fr
  • GB611767A - Improvements in free piston gas generators : en
  • GB611823A - Improvements in and relating to friction clutches : en
  • GB611685A - Improvements in or relating to polishing, grinding and like machines : en
  • GB611600A - Formamide derivatives : en
  • GB611777A - Pocket lighter : en
  • ES184611A2 - IMPROVEMENTS IN THE CONSTRUCTION OF THE LIVING ROOM FOOTBALL TABLES. : en es
  • GB611724A - Pulsed radio-location system : en
  • GB611988A - Improvements in or relating to pattern plates for moulding machines : en
  • FR939096A - Improvements to telegraph systems : en fr
  • ES18172U - Head coupling for all kinds of implements dragged by tracked tractors. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611625A - Improvements relating to slicing machines : en
  • US2452827A - Sharpening device for the cutting rollers of pencil sharpeners : en
  • DK67863C - Process for the preparation of β-ionylideneacetaldehyde and homologous aldehydes. : da en
  • FR939015A - Rectifiers : en fr
  • GB611609A - Improvements in or relating to methods of electropolishing, and the improved hollow stem valves having an electropolished internal surface : en
  • US2452535A - 2-amino-2-alkyl-n, n'-diaryl-1, 3 propane diamines and process for making : en
  • FR939030A - Signal and analog recording devices : en fr
  • GB611747A - Improvements in or relating to x-ray contrast media : en
  • FR939073A - Electrically heated soldering iron : en fr
  • FR939117A - Improvements to piezoelectric crystal classification devices : en fr
  • USD151585S - Design for a piano : en
  • GB611827A - Improvements in or relating to shock-absorbers : en
  • FR939020A - Manufacture of ethylene compounds : en fr
  • AU139673B2 - Improvements in or relating to machines suitable for use inthe manufacture of shoes : en
  • CA452404A - Reactance device : en fr
  • US2452812A - Prevention of corrosion in hydrogen fluoride catalytic organic reactions : en
  • GB611887A - Improvements in and relating to protector and stabilizer sleeves or collars as employed on the drill pipes or tubing of oil well and like drilling and pumping equipment : en
  • GB611673A - An improved illuminating means for use with billiard tables and the like : en
  • GB611837A - Sewing machine : en
  • GB611875A - Closures for collapsible tubes : en
  • US2453049A - Door-sag correcting mechanism : en
  • FR939080A - Device for compensating the inter-reaction between the antenna elements of a radio beacon : en fr
  • FR939142A - Improvements to vacuum or gas tubes : en fr
  • GB611557A - Improvements in electronic amplifiers for direct currents : en
  • FR939102A - Constitution and manufacture of thermionic tubes : en fr
  • CA452395A - Smoke oven : en fr
  • US2453067A - Method for reducing the mercaptan sulfur content of hydrocarbon oils : en
  • US2452899A - Slide fastener : en
  • CA452350A - Stabilized vinyl aromatic compounds : en fr
  • AU611246A - Improvements in mining machines : en
  • CA452374A - Electron discharge device : en fr
  • US2452669A - Copolymerization of polyesters and vinyl compounds : en
  • US2452887A - Machine for making wirebound boxes : en
  • AU144359B2 - An improved bottle and package labelling machine : en
  • CA452405A - Coating composition : en fr
  • CA452303A - Controller : en fr
  • US2452953A - Circuit interrupting apparatus : en
  • USD151595S - Design for a wallpaper or the like : en
  • US2452625A - Screw and toggle adjusted wrench and clamp : en
  • AU144924B2 - Reversible anchor stock : en
  • AU142043B2 - A tool for use in levering out fencing posts andthe like : en
  • AU2345148A - Improvements in or relating to circuit arrangements for counting pulses : en
  • CA452251A - Ventilating apparatus : en fr
  • CA452355A - Vulcanizing press : en fr
  • US2452546A - Direction finder : en
  • US2452800A - Foot scraper : en
  • US2452749A - Nursing bottle holder : en
  • GB611597A - Improvements in or relating to the attachment of flexible covering material to folding doors and the like : en
  • GB611799A - Improvements in or relating to drilling machines : en
  • AU2274748A - An improved bottle and package labelling machine : en
  • GB611538A - Improvements in or relating to false-twisting devices for filaments or yarns : en
  • GB611638A - Improvements in or relating to electric transformers and reactors : en
  • GB611903A - Feeding device for wood working machines : en
  • US2452630A - Tubular fence post construction : en
  • AU153404B2 - Improvements in or relating togas-shielded electric arc welding : en
  • AU2347048A - Telegraphic printing systems : en
  • US2452619A - Cathode-ray tube : en
  • AU2346748A - Process forthe removal of hydrogen sulphide from industrial gases, and sulphur dioxide and sulphur resulting therefrom : en
  • CA452305A - Brake apparatus : en fr
  • AU141861B2 - Process and apparatus foraging meats and storing vegetables : en
  • CA452292A - Frequency converter : en fr
  • CA452308A - Machine for vacuumizing and closing filled oblong cans : en fr
  • CA452382A - Catalyst : en fr
  • CA452408A - Ultra-high frequency oscillator : en fr
  • CA452258A - Venetian blind : en fr
  • USD151666S - Design for a pancake turner or similar article : en
  • AU142292B2 - Improvements relating to spigot and socket jointing devices particularly applicable to needle mounts for hypodermic syringes : en
  • CA452419A - Monomer recovery and apparatus therefor : en fr
  • CA452268A - Manufacture of organic sulphonates : en fr
  • US2452861A - Current converting tube : en
  • US2453090A - Article of furniture : en
  • US2452788A - Telescopic fishing rod : en
  • US2453058A - Injection machine : en
  • GB611715A - Improvements in dynamo-electric machines : en
  • CA452309A - Strain gauge : en fr
  • CA452291A - Spark gap device : en fr
  • US2452847A - Electrical connecting means and radio shielding means therefor : en
  • ES18192U - Sprayer for perfumes and other uses (Machine-translation by Google Translate, not legally binding) : en es
  • ES18225U - Improved filter. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611505A - Electron discharge device and associated circuit : en
  • US2452860A - Extensometer or strain gauge : en
  • AU129737B2 - Improvements in mining machines : en
  • CA452340A - Impulse storing and repeating device : en fr
  • DEN00046979AZ - Closure for high pressure container : de en
  • US2452779A - Combustion heater having air preheating and carbureting means : en
  • US2452958A - Synchronous electric motor with automatic starter : en
  • US2452559A - Ultra short wave oscillator : en
  • US2452843A - Combustion apparatus for solid combustibles in fragments : en
  • CA452348A - Cabinet for dispensing sheet material : en fr
  • CA452356A - Inker and inking method : en fr
  • US2452538A - Extensible safety suspenders : en
  • ES18180U - Extensible device applicable in headwear for the best adaptation to these. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18236U - Movable hive. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611570A - Method of and apparatus for compacting concrete or like materials : en
  • US2453020A - Lathe grinding device : en
  • US2453036A - Grip measuring ball for bowlers : en
  • CA452422A - Method of preparing synthetic rubber latex : en fr
  • AU2343148A - Improvements in or relating to muzzle attachments for rifles : en
  • US2452931A - Annealing box : en
  • US2452937A - Boat-carrying trailer and the like : en
  • AU144529B2 - Method and apparatus lor the screening of suspended particles from liquid materials : en
  • US2453019A - Metal surface conditioning process : en
  • AU2276948A - Improvements in and relating to gang cultivators : en
  • US2452634A - Fischer-tropsch synthesis gas from oil shale : en
  • US2453047A - Sheet material display device : en
  • GB611528A - Improvements relating to apparatus for the measurement and absorption of power : en
  • GB611608A - Machines for washing and screening sand and gravel : en
  • US2452868A - Directional control means for highway crossing signals : en
  • US2452709A - Lubricating system for adjustable multiple spindle drill head : en
  • ES183765A1 - A PROCEDURE FOR THE PREPARATION OF FOLIC ACID. : en es
  • GB611644A - Apparatus for spraying travelling materials : en
  • GB611881A - A device for temporarily holding spectacles at a raised level above the nose of the wearer : en
  • GB611687A - Improvements in or relating to electric incandescent lamps : en
  • FR939143A - Improvements in or related to the manufacture of straightening discs : en fr
  • GB611944A - Improvements in or relating to apparatus for radio frequency heating : en
  • FR939038A - Rectifier and assembly : en fr
  • DK67870C - Lubricant or additive to lubricant. : da en
  • ES18163U - Number plates for vehicles of all kinds (Machine-translation by Google Translate, not legally binding) : en es
  • GR11834B - SYSTEM OF PRODUCTION AND EXPLOITATION OF KINETIC ENERGY, DISTRIBUTED UNLIMITED. : el en
  • CA452222A - Kiln for brick and other clay products : en fr
  • CA452315A - Procedure for preparing fish oils : en fr
  • GB611825A - Process for attaching threads, tissues, and the like of cellulose in native or regenerated condition to rubber : en
  • FR939083A - Telegraph and similar apparatus : en fr
  • US2452974A - Electric upsetting and forming : en
  • CA452267A - Suction filter : en fr
  • DK67878C - Tone film with thank-you note as well as method and apparatus for making the same. : da en
  • ES16844Y - Super comfortable armchair. : en es
  • FR939089A - Manufacture of metal powders : en fr
  • US2452553A - Fishing bait : en
  • US2452995A - Soldering, brazing, and welding fluxes : en
  • USD151598S - Design for an adjustable brassiere : en
  • ES18251U - Support for showcases and shop windows. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939155A - Process for polymerizing polymerizable substances in the form of an emulsion : en fr
  • GB611639A - Improvements in or relating to relaying systems for telephony, television, facsimile and like methods of transmitting intelligence : en
  • US2452757A - Lathe radii attachment : en
  • USD151655S - Design fob an umbrella : en
  • US2453046A - Welding jig for broken drills : en
  • GB611878A - Electric-cable-supporting device for use with a laundry electric hand iron : en
  • FR939091A - Improvements to selective networks : en fr
  • GB611616A - Improvements in crates for milk, beer and other bottles and containers : en
  • GB611864A - Improvements in or relating to bows for musical instruments : en
  • US2452687A - Visible index : en
  • US2453008A - fowler : en
  • GB611884A - Improved means for stripping ingots from moulds : en
  • US2452726A - Multirotor helicopter with tiltable rotors : en
  • CA452282A - Tension control means for running webs : en fr
  • DK67890C - : da
  • ES183274A1 - A MOTORCYCLE SPEED SWITCHING DEVICE, CHANGING WITH THE CLUTCH LEVER AND ACTUATED FROM THE HANDLEBAR. : en es
  • FR939019A - Manufacture of solid and semi-solid polymers of olefinic hydrocarbons : en fr
  • GB611809A - Improvements in or relating to magnetic braking devices for electric induction motors : en
  • FR939188A - Enhancements to high frequency manipulation devices : en fr
  • FR939040A - Improvements to air navigation systems : en fr
  • FR939199A - Improvements in the regulation of electronic tube assemblies : en fr
  • GB611676A - Tiltable door, wall, panel or window : en
  • FR939005A - Improvements to feedback amplifiers : en fr
  • ES18198U - Tie knot frame, transparent. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939110A - Improvements to directional antennas and generator systems : en fr
  • GB611533A - An improved device for artificially producing speech sounds by electrical means : en
  • US2453048A - Spark plug and method of making the same : en
  • FR939017A - selenium element and method of manufacture : en fr
  • US2452676A - Adjustable inductor : en
  • US2452775A - Multiple pneumatic clutch : en
  • USD151639S - Lever of a drum snare tenszoning mechanism : en
  • GB611856A - Improvements in or relating to the manufacture of pottery and like articles : en
  • GB611973A - Drafting machine : en
  • GB611914A - Method of purifying sols : en
  • FR939006A - Improvements to amplification reducers : en fr
  • GB611778A - Improvements in sanitary closets : en
  • FR939044A - Piezoelectric crystal mounts : en fr
  • FR939177A - Improvements in the manufacture of electrostatic capacitors : en fr
  • GB611525A - Improvements in or relating to electric or diesel-electric jib cranes : en
  • FR939194A - Improvements to electrical resistance connection devices : en fr
  • GB611572A - Improvements in and relating to resilient jewel bearings for watch balance staffs : en
  • GB611529A - Improvements relating to the production of unsaturated polyesters and polymers thereof : en
  • GB611871A - Improvements in and relating to earth leakage devices for electrical apparatus : en
  • GB611890A - Improvements in water level indicators : en
  • US2452910A - Automatic knockoff device for ring : en
  • US2452663A - Machine with resilient work holding clamp : en
  • CA452225A - Abrasive material and the manufacture thereof : en fr
  • CA452363A - Resistor : en fr
  • US2452600A - Clip loading machine : en
  • US2452809A - Resonator for musical instruments : en
  • GB611739A - Improvements in piezo-electric crystal vibrators : en
  • US2452556A - Radiator structure for air heating furnaces : en
  • CA452310A - Electronic weft detector for looms : en fr
  • CA452413A - Insulated tinsel conductor : en fr
  • FR939032A - Improvements in the construction of metal straighteners : en fr
  • GB611581A - Optical arrangement for measuring the angle formed by two directions situated at different levels, more particularly for transmitting a given direction from one level to another : en
  • GB611755A - Laundry and like presses : en
  • USD151584S - Head for a portable sewing machine : en
  • GB611979A - Improvements in or relating to gravitationally closing valves : en
  • FR939141A - High-frequency circuits : en fr
  • GB611569A - Door stop : en
  • GB611844A - Improvements in decoys : en
  • FR939134A - Improvements to assemblies for parts of radio apparatus, placed in sealed containers : en fr
  • GB611974A - Improvements in or relating to thermal starting switches for electric discharge tubes : en
  • ES17336Y - Staples for fastening or running belts. : en es
  • GB611997A - Improvements in and relating to tubes made of india-rubber or other similar materials : en
  • GB611697A - Electromagnetic relay : en
  • GB611605A - Process and apparatus for the wet separation of solid particles from loose masses : en
  • GB611727A - Pulse communication system : en
  • GB611770A - Improvements in and relating to apparatus for indicating the position or course of a navigable vehicle : en
  • GB611592A - Improvements in or relating to the manufacture of laminated materials : en
  • FR939018A - Electronic tubes : en fr
  • GB611562A - Improvements in or relating to plasticised resinous compositions : en
  • FR939010A - Dial for controlling electrical or other devices : en fr
  • GB611838A - A new or improved sponge-batter sheeting machine : en
  • ES16549Y - Mirror case with its own lighting. : en es
  • ES18174U - Canvas footwear, rolled, on sole or rim floor. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18177U - Bra for the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • CA452396A - High frequency cable : en fr
  • AU1678847A - Improvements relating to smokers' ashtrays andother like receptacles : en
  • US2452961A - Protective switch : en
  • US2452982A - Submerged reciprocating screen : en
  • CA452262A - Light projector : en fr
  • USD151617S - Design for a chair or the like : en
  • US2452674A - Knee actuating mechanism for milling machines : en
  • AU1632347A - Reversible anchor stock : en
  • CA452324A - Composite sheet and method of making same : en fr
  • AU143026B2 - Telegraphic printing systems : en
  • AU139741B2 - Improvements in flying controls for aircraft : en
  • US2452867A - Hydraulic internal line-up clamp : en
  • US2452743A - Symphonic instrument : en
  • US2452988A - Work indexing attachment for lathes : en
  • US2452999A - Method of making cellular thermoplastic receptacles : en
  • US2453093A - Fuel and ignition control : en
  • CA452263A - Electric heater : en fr
  • CA452304A - Control apparatus : en fr
  • US2452735A - Pencil with internal illuminating means : en
  • AU136475B2 - Combination closure and pouring device for containers : en
  • US2452708A - Interlocking strip shingles : en
  • US2452908A - Detachable hose coupling : en
  • FR939112A - Manufacture of electronic tubes : en fr
  • US2452963A - Seed planter : en
  • AU146394B2 - Improvements in or relating tothe catalytic treatment with hydrogen of glyceride oils and manufacture of nickel-alumina-silica catalysts for use in such treatment : en
  • FR939051A - Multiple reception system : en fr
  • FR939186A - Hydrogenation of 2: 3-dihydro-5-pyroic acid and its derivatives : en fr
  • GB611690A - Shoe press : en
  • ES16308Y - Keyless lock for pencil cases, pencil cases and similar receptacles : en es
  • US2452824A - Work holder : en
  • US2452677A - Door fastener : en
  • US2452842A - Flag holder and displayer : en
  • US2453101A - Miniature permanent magnet motor : en
  • US2452797A - Stripping of acetaldehyde from aldol by hydrocarbon vapors : en
  • AU2115145A - Improvements in or relating to radio systems for guiding aircraft : en
  • US2452730A - Liquid filled dice agitator : en
  • US2452778A - Universal swivel : en
  • US2452977A - Production of cyclic ethers : en
  • ES18223U - Electric steam generator (Machine-translation by Google Translate, not legally binding) : en es
  • GB611545A - Improved sprags for one-way clutches and their method of manufacture : en
  • ES17798U - Improved soap dish. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611553A - Improvements in and relating to phonograph pickup devices : en
  • DK67886C - Ball mill with circumferential painting. : da en
  • US2452849A - Wrench with spring closed jaws and handle and pawl feed : en
  • ES18249U - Bucket for garbage collection. (Machine-translation by Google Translate, not legally binding) : en es
  • FR939076A - Improvements to mechanical rectifiers for alternating electric currents : en fr
  • FR939055A - Scanning and erasing circuits for cathode ray tubes and the like : en fr
  • GB611582A - Improvements in cattle stalls : en
  • FR939144A - Improvements to scanning systems for facsimile machines : en fr
  • GB611958A - Improvements in dish washing machines : en
  • GB611692A - Improvements in shaving machines : en
  • US2452950A - Window fan : en
  • GB611792A - Improved garden implements : en
  • USD151653S - Grille guard for automobile radiators : en
  • GB611672A - Improvements relating to cigarette cases : en
  • FR939106A - Improvements to electro-acoustic converters : en fr
  • US2452787A - Landing gear system : en
  • GB611584A - Improvements in and relating to riveting tools : en
  • CA452259A - Venetian blind : en fr
  • FR939156A - Process for the production of yarns, fibers, tapes, films and the like : en fr
  • GB611681A - Improvements in and relating to machines for harvesting beet and other root crops : en
  • GB611629A - Improvements in or relating to railway signalling systems : en
  • ES183655A1 - AN INDUSTRIAL PROCEDURE FOR THE PREPARATION OF PENICILLIN, SO THAT IT IS POSSIBLE TO BE ADMINISTERED BY RECTAL. : en es
  • GB611763A - Improvements in or relating to gas turbines and the like : en
  • US2452832A - Sealing unit and gasket : en
  • USD151667S - Fig. i. c. l, wolfe combined cabinet and douche tank : en
  • US2452972A - Muffler : en
  • USD151581S - Casing for a piano or similar article : en
  • USD151609S - Design for a button or similar article : en
  • DK67887C - Procedure for preserving green fodder. : da en
  • GB611568A - Improvements in or relating to electric pulse time modulators : en
  • GB611835A - Improvements in or relating to push chairs or the like : en
  • US2452637A - Friction shock absorber : en
  • US2452938A - Boat-carrying trailer : en
  • USD151578S - Design for an occasional table : en
  • AU140047B2 - Improvements in flying controls for aircraft : en
  • CA452298A - Control system : en fr
  • CA452329A - Oil filter bracket : en fr
  • USD151662S - Combined storage cabinet and bench : en
  • US2452713A - Filler cap support : en
  • US2453025A - Device for cutting noncircular holes : en
  • ES18181U - Visor equipped with protective element for the sight. (Machine-translation by Google Translate, not legally binding) : en es
  • CA452358A - Alkylating aromatic compounds : en fr
  • CA452421A - Cord processing apparatus : en fr
  • AU144025B2 - Improvements inthe production of flameproof fabrics : en
  • GB611675A - Improvements relating to garden frames : en
  • US2452699A - Refrigeration : en
  • US2452996A - Process for refining copper and its alloys : en
  • US2452808A - Bed slat : en
  • US2452898A - Internal heat intensifier : en
  • US2452801A - Apparatus for high-frequency induction heating : en
  • AU2348348A - Scourer-aspirator and method : en
  • AU140136B2 - Improvements in or relating to scissors : en
  • US2452783A - Shockproof aerial delivery contrivance : en
  • CA452279A - Brake arrangement : en fr
  • US2452567A - Rotary vegetable cutter on a horizontal axis with a follower feed : en
  • AU2339548A - Seam welding : en
  • US2452992A - Coating composition of fatty drying : en
  • ES18231U - Espadrille sole with reinforced edge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611615A - Improvements in and relating to machine-tools : en
  • GB611885A - Improvements in and relating to ball mills or pulverising cylinders of the intermittent type : en
  • US2452605A - Lubricated crank structure : en
  • ES183738A1 - IMPROVEMENTS INTRODUCED IN CATHODIC OSCILLOGRAPHIES OF PERMANENT REGISTRATION. : en es
  • ES18243U - Heat producing electric appliance, triple use. (Machine-translation by Google Translate, not legally binding) : en es
  • AU143221B2 - Improvements in or relating to devices for arresting a shaft by anyone ofa number of pawls arranged around the shaft : en
  • AU144530B2 - Improvements in or relating to machines for cutting potatoes or like objects into chips or slices : en
  • US2452631A - Self-adjusting wood peeler : en
  • ES18208U - Cell support for the preparation of injectable ampoules (Machine-translation by Google Translate, not legally binding) : en es
  • US2452968A - Method of stabilizing beer against radiation deterioration : en
  • US2452768A - Tire deflation operated switch : en
  • US2452905A - Push-button type pencil : en
  • CA16552S - Plastic tray : en
  • ES18224U - Improved liquid agitator. (Machine-translation by Google Translate, not legally binding) : en es
  • CA452349A - Textile mill spindle : en fr
  • GB611821A - Improvements in or relating to axle boxes for railway vehicles : en
  • CA452217A - Flue and damper construction for open fireplaces : en fr
  • CA452286A - Bladed rotor : en fr
  • CA452243A - Reel construction : en fr
  • CA452371A - Synthetic modulator system : en fr
  • US2452893A - Electron lens assembly : en
  • CA452231A - Fruit jar lifter : en fr
  • AU2402848A - Improvements relating to seats of motorcycles : en
  • US2452723A - Spark arrester silencer : en
  • US2452599A - Control system for target aircraft : en
  • ES18246U - Glass container-brush and toothpaste. (Machine-translation by Google Translate, not legally binding) : en es
  • CA16551S - Plastic container : en
  • DK67879C - Device for magasing gramophones. : da en
  • CA452280A - Gun turret : en fr
  • AU2274348A - Improvements relating to spigot and socket jointing devices particularly applicable to needle mounts for hypodermic syringes : en
  • US2452641A - Iodized salt composition : en
  • FR939087A - Electrical communications systems : en fr
  • GB611647A - Knob and spindle combination : en
  • US2452577A - Dry rectifier element and method of manufacture : en
  • US2452658A - Musical instrument : en
  • US2452742A - Crank device : en
  • GB611786A - New vat dyestuff : en
  • US2452826A - Sack holder : en
  • US2452960A - Method and apparatus for indicating frequency coincidence between alternating currents or voltages : en
  • ES18244U - Extendable closure device for jewelery and jewelry items. (Machine-translation by Google Translate, not legally binding) : en es
  • ES183763A1 - IMPROVEMENTS IN MACHINES FOR THE STRETCHING OF TEXTILE CROPS. : en es
  • GB611624A - Dental and like inspection mirrors : en
  • GB611977A - Improvements relating to electrical earthing reactors : en
  • US2452844A - Process and apparatus for burning solid fuel : en
  • FR939149A - Improvements in the manufacture of selenium elements such as those used in electric rectifying devices : en fr
  • GB611898A - Improvements in and relating to machines for sawing diamonds and other gem stones : en
  • FR939130A - Process for manufacturing objects comprising selenium : en fr
  • GB611750A - Improvements in or relating to mechanical presses : en
  • GB611560A - Simulated flight control loading and centering means for grounded aviation trainer : en
  • CA452245A - Automatic firearm : en fr
  • DK67875C - Method for increasing the oligodynamic effect of oligodynamically active metal salts. : da en
  • FR939011A - Improvements in the production of selenium cells : en fr
  • USD151610S - Design fok a button or similar article : en
  • DK67868C - AC control device. : da en
  • CA452409A - Preparation of silicon material : en fr
  • US2452596A - Seaming roller mounting : en
  • GB611999A - Improvements in or relating to grinding and/or polishing machines : en
  • FR939013A - Piezoelectric crystal housings : en fr
  • FR939122A - Measuring devices for testing metals : en fr
  • GB611941A - Aircraft such as are powered by internal-combustion turbine units : en
  • US2452915A - Nitriding process : en
  • US2452835A - Knitted fabbic and process of making same : en
  • US2452739A - Method of forming hollow laminated structures : en
  • US2452786A - Cathode structure : en
  • US2452986A - Collet and collet chuck therefor : en
  • US2453061A - Electric resistance and filler metal butt welding : en
  • US2452962A - Line marking tool : en
  • GB611946A - Improvements in or relating to auxiliary wheels for bicycles : en
  • ES183360A3 - A NEW SYSTEM FOR THE MANUFACTURE OF WOOD VENEERS. : en es
  • CA452424A - Primary cell and method of making : en fr
  • GB611564A - Improvements in or relating to radio and like receivers : en
  • FR939003A - Improvements in television reception methods : en fr
  • US2453076A - Crystallization of ddt : en
  • ES18230U - Box for radio receivers (Machine-translation by Google Translate, not legally binding) : en es
  • US2452945A - Sealed electric motor and transmission : en
  • GB611831A - A combined portable mixer and barrow : en
  • GB611889A - Improvements in and relating to valved paper or like bags or sacks : en
  • US2452772A - Filter : en
  • US2452838A - Furniture : en
  • US2453056A - Surgical anastomosis apparatus and method : en
  • US2452921A - Tread shoe : en
  • GB611506A - Multi-cylinder free piston machines : en
  • GB611711A - Refrigerator door latch : en
  • US2452701A - Implement mounting : en
  • ES18194U - Capacha of reticular metallic structure of fibers of high performance for the elaboration of oil and other products obtained to high pressures (Machine-translation by Google Translate, not legally binding) : en es
  • US2452552A - Fishing bait and method of preparing the same : en
  • US2452990A - Parachute release : en
  • DK67891C - Door lock for right and left doors. : da en
  • US2452854A - Electrotherapeutical apparatus : en
  • CA452275A - Dust arrester liquid level control : en fr
  • CA452318A - Ternary acrylic ester, styrene, dienone interpolymer : en fr
  • FR939068A - Continuously heated vacuum regenerator : en fr
  • ES18229U - Packaging for bottles and similar items (Machine-translation by Google Translate, not legally binding) : en es
  • GB611556A - Xanthylium dye salts as filter and anti-halation dyes in photographic materials : en
  • FR939014A - Improvements in the manufacture of selenium elements : en fr
  • GB611709A - Improvements in or relating to looms : en
  • GB611834A - Improvements relating to combination furniture : en
  • GB611916A - Improvements in and relating to internal combustion engines : en
  • GB611948A - A conversion set for carrying out planing or forming and rebating in a lathe : en
  • GR11833B - SYNTHETIC BUILDING MATERIAL. : el en
  • FR939125A - Devices for connecting wires and the like : en fr
  • US2452562A - Fuse : en
  • GB611726A - Improvements relating to diffusers, especially of centrifugal compressors, and control thereof : en
  • AU146321B2 - Process forthe removal of hydrogen sulphide from industrial gases, and sulphur dioxide and sulphur resulting therefrom : en
  • AU141334B2 - Seam welding : en
  • CA16549S - Smoker's stand : en
  • FR939056A - Improvements in amplitude stabilization : en fr
  • GB611691A - Improvements in and relating to valves : en
  • US2452539A - Self-balancing potentiometer : en
  • FR939132A - Improvements to different body assembly processes : en fr
  • GB611996A - Improvements in or relating to mowing machines : en
  • DK67865C - Process for the preparation of derivatives of sulfonamides containing acidic salt-forming groups. : da en
  • CA452428A - Coating composition : en fr
  • AU139763B2 - Improvements inx-ray or like apparatus : en
  • CA452327A - Colour facsimile receiver : en fr
  • CA452228A - Fish reduction process : en fr
  • FR939145A - Manufacturing process of insulating substances : en fr
  • FR939075A - Improvements to telegraph systems and apparatus : en fr
  • FR939045A - Preventing distortion in modulated amplifiers : en fr
  • GB611893A - A new or improved plumbing unit : en
  • USD151591S - Design fob a shoe heel : en
  • USD151645S - Design for a shoe : en
  • CA452366A - Process and apparatus for bleaching flour : en fr
  • CA452381A - Turbine : en fr
  • CA452240A - Soap sheet and method of making same : en fr
  • US2453007A - Bracket for armchair accessory seats : en
  • US2452549A - Double pulse generator : en
  • US2452806A - Clamp : en
  • CA452288A - Vapour electric device : en fr
  • CA452294A - Air raid warning system : en fr
  • GB611714A - An improved electrical system of remote control : en
  • US2452753A - Comparator gauge : en
  • US2453105A - Preparation of hydroxy aromatic carboxylic acids : en
  • USD151643S - Handling support foe treating lenses : en
  • ES183756A2 - A PROCEDURE FOR THE HYDROGENATION OF UNSATURATED PRODUCTS. : en es
  • ES16929Y - Folding cruet. : en es
  • GB611544A - Improvements in or relating to packing cases and crates : en
  • GB611828A - Improvements in or relating to the treatment with resinous polymers of fibrous materials : en
  • GB611869A - Improvements in and relating to toilet outfits combined with brushes : en
  • FR939179A - Improvements to electromagnetic relays : en fr
  • CA452375A - Distance measuring apparatus : en fr
  • DK67889C - : da
  • US2452925A - Elongated pot burner and flame ring : en
  • US2453057A - N-monoformyl-n, n'-disubstituted ethylenediamines : en
  • GB611915A - Process for the synthesis of vinyl chloride : en
  • GB611613A - Improvements in or relating to apparatus for the location of distant objects : en
  • GB611800A - Improvements in or relating to process for the production of metal from oxide ores : en
  • FR939043A - Indicating devices : en fr
  • FR939137A - Facsimile telegraph system and apparatus : en fr
  • GB611899A - Improvements in or relating to bicycle, tricycle, motor cycle and like machine saddles : en
  • DK67885C - Float valve. : da en
  • ES18235U - Protective and retention tools for sharp objects. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18195U - Kitchen-fridge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611907A - Reinforced concrete lattice supports : en
  • GB611993A - Improvements in or relating to the filling of shoe-bottom cavities : en
  • GB611729A - Improvements in and relating to flushing cisterns for water closets : en
  • GB611785A - Tubular electric heating element and method of making the same : en
  • US2452834A - Hot-air deflector for tractors : en
  • FR939115A - Multi-track carrier systems : en fr
  • GB611861A - Improvements in or relating to hydraulic reciprocating pumps : en
  • US2452760A - Mining machine : en
  • US2452799A - Apparatus for and method of measuring or indicating limb or digital volume changes resulting from arterial pulsations : en
  • US2452872A - Combined fuse and demand meter : en
  • USD151633S - Design for a thermometer casing and minute glass unit : en
  • GB611735A - An automatic machine for the manufacture of bottles and like glass articles : en
  • CA452290A - Circuit breaker : en fr
  • CA452306A - Stoker pusher bar : en fr
  • CA452400A - Disconnecting coupling : en fr
  • GB611534A - Improvements in or relating to yarn take-up devices in knitting machines : en
  • US2452912A - Circuit for improving oscillator stability : en
  • US2452612A - Relief valve assembly for ventilation system : en
  • USD151631S - Multiple fluorescent lighting unit : en
  • CA452250A - Needle for hand knitting : en fr
  • CA452270A - Process for the production of high-purity aromatic hydrocarbons : en fr
  • US2452866A - Colloid dental tray : en
  • US2452705A - Package of photographic lightsensitive papers : en
  • US2453055A - Turbine seal : en
  • GB611929A - Improvements in and relating to the condensation of zinc from its vapour in gaseous mixtures : en
  • GB611509A - Improvements in or relating to electric motor control systems : en
  • US2452544A - Indexing device : en
  • US2452976A - Roll adjusting mechanism : en
  • US2453005A - Mold for forming porro prisms : en
  • USD151614S - Design for a hand telephone : en
  • USD151612S - Button or similar article : en
  • US2452793A - Abrasive products : en
  • FR939126A - A method of treating a copper surface to prevent a metal from adhering to it : en fr
  • US2453022A - Agent for reducing the surface : en
  • US2452731A - Hotbox cooler : en
  • US2452911A - Arresting hook : en
  • US2452978A - Dolly structure for conveyers : en
  • ES17410Y - Toy or recreational game. : en es
  • ES17366Y - Electric coffee grinder, domestic type. : en es
  • GB611970A - Improvements in lamp standards : en
  • GB611674A - Process of preparing lactic aldehyde : en
  • GB611733A - Improvements in or relating to machines for peeling potatoes and the like : en
  • GB611753A - Resilient mountings : en
  • US2452724A - Soap-making process : en
  • US2452632A - Excavating machine : en
  • US2452704A - Hydraulic transmission and control : en
  • US2452879A - Apparatus for immersing edge portions of black plate in successive treating baths : en
  • US2452901A - Electromagnetic induction apparatus : en
  • US2452537A - Apparatus for automatically controlling duration of electrical current : en
  • US2452939A - Roller toy : en
  • US2452623A - Apparatus for transfer of light liquid : en
  • US2452693A - Mineral oil compositions resistant to foaming : en
  • CA452336A - Combinational code entry controlling means for accumulator : en fr
  • CA452256A - Hot water boiler : en fr
  • CA452352A - Single blade plough : en fr
  • GB611859A - Improvements in or relating to spring clips : en
  • ES18255U - Underpants (Machine-translation by Google Translate, not legally binding) : en es
  • GB611850A - Improvements in and relating to casings for electrical condensers and the like : en
  • CA452269A - Neutralization of aromatic sulphonic acids : en fr
  • FR939178A - Improvements at junctions for electrical cables with coaxial conductors : en fr
  • AU1613547A - An improved burner for fuel oil : en
  • US2452673A - Question and answer rating device : en
  • US2452649A - Slipper : en
  • US2452856A - Material handling device : en
  • GB611851A - Production of chlorinated heterocyclic organic compounds : en
  • GB611971A - Improvements in or relating to the securing of insulating terminal caps to the envelopes of electron discharge devices : en
  • US2452798A - Massaging device : en
  • US2452767A - Broad-band antenna : en
  • ES17295Y - Retorts for the dry distillation of wood and by-products of vegetable origin. : en es
  • FR939113A - Improvements to induction devices : en fr
  • GB611725A - Apparatus for determining the distance of objects by reflection of frequency-modulated oscillatory energy : en
  • US2452836A - Knitted fabric and process of making same : en
  • US2452884A - Method and device for molding : en
  • US2452920A - Method and apparatus for drilling and producing wells : en
  • US2453106A - Remote-control apparatus with adjustable gap : en
  • US2452790A - Pressure cooker : en
  • AU144842B2 - Improvements relating to television and like transmitting apparatus : en
  • CA452287A - Electric winding : en fr
  • US2452740A - Molded structure : en
  • US2452946A - Direct fuel fired unit air heater : en
  • USD151613S - Design fob a button ob similar article : en
  • USD151629S - Design for a combined lamppost and lamp : en
  • CA452230A - Automatic transmission gear box : en fr
  • US2452784A - Electrical motor control system : en
  • AU2349548A - Improvements in or relating to penicillin salts : en
  • US2452621A - Flight operation indicator : en
  • USD151588S - Design for a night table : en
  • AU136824B2 - Improvements in and relating to vehicle brake booster systems : en
  • CA452359A - Machine for handling and feeding washers : en fr
  • AU142550B2 - Scourer-aspirator and method : en
  • AU1987645A - Improvements relating to arrangements for selection of electrical pulses : en
  • GB611910A - Improvements in or relating to a device for effecting optical photographic printing : en
  • GB611940A - Drives for sheep-shearing or like devices : en
  • AU2343248A - Improvements in or relating to machines for cutting potatoes or like objects into chips or slices : en
  • US2452845A - Driller's mask : en
  • CA452320A - Creaming of synthetic rubber latices : en fr
  • CA452220A - Billboard display posting : en fr
  • ES18186U - Safeguarding. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2262545A - Pulse width multichannel system : en
  • AU2345048A - Improvements in and relating to reservoir writing instruments : en
  • FR939187A - Improvements in the transmission of electrical measurements : en fr
  • US2452914A - Process and composition for producing magnesium-zirconium alloys : en
  • US2452947A - Bushing for oil-filled electrical apparatus : en
  • CA452332A - Waterproof shipping container : en fr
  • GB611579A - Improvements in valves for fluids : en
  • GB611814A - Improved electric contact device such as an electric vibrator : en
  • CA452301A - Control system : en fr
  • US2452717A - Wheel brake adjusting mechanism : en
  • US2452570A - Compressional wave transmitting and receiving device : en
  • US2452668A - Toy gun : en
  • US2452993A - Screw pivot for shears : en
  • US2453079A - Prestressed sucker rod : en
  • CA452235A - Self service display case : en fr
  • CA452399A - Variable ratio steering gear : en fr
  • US2452571A - Sound signaling apparatus : en
  • US2452732A - Hand cultivating tool : en
  • US2452805A - Composition of matter for sealing spot-welded joints : en
  • US2452592A - Telescopic sight : en
  • AU2283648A - Improvements in or relating to scissors : en
  • CA452343A - Tandem bucket paving machine : en fr
  • US2452727A - Tie rack : en
  • US2452721A - Automatic record changing apparatus : en
  • US2452878A - Automatic tuning control circuit : en
  • US2452611A - Electric regulator : en
  • US2452626A - Electron emitter : en
  • US2452927A - Bottle handling apparatus : en
  • DEN00046429AZ - Process for growing uniform crystal aggregates or single crystals : de en
  • CA452420A - Wheel fairing : en fr
  • ES17229Y - Soccer score indicating device. : en es
  • GB611738A - Improvements in piezo-electric crystal vibrators : en
  • GB611830A - A process for the emulsion polymerisation of vinyl compounds : en
  • US2452720A - Railway car retarder : en
  • US2452762A - Stop light signal device : en
  • USD151630S - Geib phonograph tone arm : en
  • US2452796A - Self-releasing rope hitch : en
  • CA452364A - Method of polishing metal surfaces : en fr
  • CA452390A - Electrical oscillation generator : en fr
  • AU139509B2 - Improvements in mechanical gas producers : en
  • CA452227A - Printing appliance : en fr
  • GB611980A - Sling : en
  • US2452602A - Manufacture of aliphatic polyamines : en
  • USD151616S - Design for a pin or similar article : en
  • ES18200U - Fixing and suspension devices applicable to vehicles for children and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB611846A - Improvements in or relating to photographic sensitive materials : en
  • AU2281548A - Improvements in flying controls for aircraft : en
  • US2452853A - Closed edge fly front for garments : en
  • ES18193U - Apparatus for uncorking bottles (Machine-translation by Google Translate, not legally binding) : en es
  • AU128322B2 - Improvements in or relating to radio systems for guiding aircraft : en
  • AU136601B2 - An improved eyepiece for aperture back sights for rifles and like firearms : en
  • US2452651A - Hydraulic pressure boosting means for braking systems : en
  • CA452252A - Tool stand : en fr
  • US2453001A - Combination dust cap and valve cap lock for tire valves : en
  • USD151606S - Design fob a button or similar article : en
  • AU2346548A - Process and apparatus foraging meats and storing vegetables : en
  • GB611923A - Improvements in or relating to temperature control means : en
  • FR939114A - Improvements to rectifying elements : en fr
  • GB611554A - Purification of anthracene : en
  • AU144775B2 - Television synchronizing and background control circuits : en
  • AU2350648A - Apparatus for semi-wet development of photoprints : en
  • CA452312A - Fertilizer distributer : en fr
  • CA452314A - Circuit control device : en fr
  • US2452714A - Piston : en
  • USD151600S - Design for a toy rattle or similar article : en
  • AU1691847A - Improvements in or relating to machines suitable for use inthe manufacture of shoes : en
  • CA452323A - Apparatus for making coiled yarn : en fr
  • US2453053A - Analyzing apparatus : en
  • CA452247A - Structural material : en fr
  • US2452903A - Impression taking means : en
  • CA452213A - Trailer coupler : en fr
  • US2453000A - Method of manufacturing auger bits : en
  • GB611565A - Improvements in or relating to presses for use in cold or hot forging of the heads of bolts and the like : en
  • CA452345A - Method for wrapping lines about cores : en fr
  • ES18227U - Protective cover for vehicle steering wheels. : en es
  • GB611772A - An improved electric lamp locking device : en
  • US2452660A - Cone bearing adjustment for geardriven coaster brake : en
  • US2452770A - Cocoa-sugar composition : en
  • CA452285A - Laminated rim for rayon spinning bucket : en fr
  • AU131946B2 - Improvements in or relating to muzzle attachments for rifles : en
  • CA452377A - Phase modulation : en fr
  • FR939123A - Assembly intended to limit the amplitude variations of an electric oscillation : en fr
  • FR939109A - Multi-channel receiving systems enhancements : en fr
  • GB611701A - Improvements in or relating to push-pull mixing circuits for ultra short waves : en
  • CA452414A - Artillery predictor : en fr
  • GB611514A - Improvements in or relating to display cartons or boxes : en
  • CA452326A - Recorder bar : en fr
  • US2452554A - Production of acrylonitrile : en
  • AU129501B2 - Pulse width multichannel system : en
  • CA452271A - Alkyl aromatic compound : en fr
  • FR939007A - Improvements to high frequency heating processes and devices : en fr
  • CA452425A - Woven fabric : en fr
  • FR939120A - Device for testing or studying the composition of metals : en fr
  • GB611575A - Improvements in or relating to governors for fluid pressure engines : en
  • GB611723A - Conduit grounding and supporting clip : en
  • USD151582S - Design for a child s cart : en
  • US2452675A - Direction finding system : en
  • CA452248A - Speed or frequency-responsive electrical apparatus : en fr
  • GB611888A - Improved float or guide shoe or collar as employed in oil well and like equipment : en
  • USD151596S - Design for an automobile radiator guard : en
  • US2452766A - Device for framing ladies' handbags : en
  • GB611599A - Improvements in wood working and like machines and gauging attachments therefor : en
  • ES18215U - Lemon or other fresh fruit juicer (Machine-translation by Google Translate, not legally binding) : en es
  • US2452821A - Method of making phonograph records : en
  • US2453097A - Solution consisting of a polymeric n-vinyl pyrrole compound and chloroform : en
  • US2452875A - Convection type electrical heating device : en
  • GB611704A - Improvements in roofs for industrial furnaces : en
  • FR939140A - Improvements to electrical amplifier assemblies : en fr
  • GB611694A - Improvements in or relating to fat extracting devices : en
  • GB611956A - Improvements in attachment of lazy tong bracelet and end hook : en
  • GB611858A - Improvements in or relating to electrical networks for use on alternating currents : en
  • AU2098745A - Improvements relating to pulse signalling systems : en
  • FR939071A - Process for obtaining permanent recording, in particular for cathode ray oscillographs : en fr
  • GB611812A - Improvements relating to grinding machines : en
  • US2452863A - Polishing machine : en
  • US2452831A - Antiskid device : en
  • US2452575A - Automatic frequency control : en
  • GB611504A - Improvements in bowling alleys : en
  • CA452380A - Method of fiberizing asbestos : en fr
  • CA452362A - Impulsing circuit : en fr
  • US2452718A - Cutting torch holder : en
  • US2452851A - Hinge : en
  • US2452916A - Rotary tap switch : en
  • FR939171A - Improvements to metal straighteners : en fr
  • CA452239A - Steam engine crankshaft bearing support : en fr
  • ES18228U - Hygienic mattress for babies. (Machine-translation by Google Translate, not legally binding) : en es
  • USD151587S - Design foe a sofa : en
  • GB611667A - Electric resonators for ultra-high frequencies : en
  • GB611740A - Improvements in or relating to holders for screw-cutting tools : en
  • GB611860A - Improvements in nut locking devices : en
  • USD151634S - Design fob a clock dial ob similar article : en
  • USD151605S - Tom dolan : en
  • GB611511A - Magnetron electron discharge devices : en
  • GB611865A - Improvements in or relating to adjustable stays for casement windows and the like : en
  • US2452841A - Toy : en
  • USD151580S - Motor vehicle cab : en
  • FR939183A - Frequency modulation improvements : en fr
  • FR939121A - Directed electron beam tubes : en fr
  • US2453072A - Adjustable eccentric : en
  • GB611902A - Improvements in combustion units primarily for domestic use : en
  • US2452922A - Waterproof cover for radio jacks and the like : en
  • US2452980A - Belt tensioning mechanism for conveyers : en
  • US2452606A - Phthalocyanine pigments and process for producing same : en
  • FR939103A - Facsimile transmission apparatus and systems and synchronization system for transmission and reception of models : en fr
  • GB611994A - Improvements in or relating to gates or the like : en
  • GB611643A - Improvements in melting zinc dust : en
  • GB611762A - Improvements in or relating to hydraulic reversing clutches : en
  • US2453035A - Multiple function switch : en
  • US2452541A - Rotary hydraulic machine : en
  • CA452234A - Garment renewing machine : en fr
  • US2452902A - Safety inner tube for pneumatic tires : en
  • GB611646A - Improvements in a device in easels for carrying pictures : en
  • GB611981A - Improvements in or relating to television receiving circuits : en
  • FR939146A - Manufacture of electrical insulators : en fr
  • US2452944A - Other : en
  • ES183371A1 - IMPROVEMENTS IN THE FIREARMS OF CYLINDER HEAD AT LEAST SEMIAUTOMATIC, ACTIONED BY TAKING GAS, ESPECIALLY IN THE SMALL CALIBER. : en es
  • FR939064A - Improvements to vehicle checkouts : en fr
  • GB611742A - Improved electronic shields : en
  • GB612002A - Improvements in medicinal antipressors and methods of making them : en
  • FR939049A - The electric cables : en fr
  • GB611684A - Improvements in or relating to fusible electric cut-outs : en
  • AU146747B2 - Improvements in or relating to radio communication systems and apparatus : en
  • DK67882C - Device for devices for topping beets. : da en
  • US2453104A - Aminoanthraquinone sulfonamides : en
  • GB611919A - A process for the manufacture of valuable reaction products of high-molecular unsaturated substances containing more than one unsaturated grouping in the molecule with inorganic acids or acid anhydrides : en
  • GB611631A - Improvements in or relating to time setting devices for alarm and like clocks : en
  • CA452401A - Control system for industrial vibrating machinery : en fr
  • FR939104A - Soft weld : en fr
  • GB611706A - Improvements in photographic lenticular colour films and methods of treating them : en
  • GB611839A - Improvements in or relating to the inlet and exhaust passages of internal combustionengines : en
  • US2452622A - Heating pad : en
  • US2452696A - Means for dressing and repointing hypodermic needles : en
  • US2452926A - Method of grinding propeller shanks : en
  • USD151648S - Marrow house : en
  • GB611874A - Improvements relating to electric resistance heating elements : en
  • US2452566A - Ultra high frequency circuit and method : en
  • US2452897A - Mounting for electric chime signal devices : en
  • US2453088A - Mixing torpedo for plastics extruders : en
  • USD151665S - Design for a fountain pen or similar article : en
  • US2452657A - Food processing apparatus : en
  • CA452244A - Welded ship : en fr
  • ES18176U - Cash flow of child savings (Machine-translation by Google Translate, not legally binding) : en es
  • US2453011A - High-pressure contact switch : en
  • US2452751A - Apparatus for receiving and dumping refuse : en
  • US2452819A - Warp yarn compressing spooler : en
  • US2452955A - Check for picker stick of looms : en
  • US2452655A - Cathode-ray oscilloscope circuit : en
  • US2453051A - Bathing trunks : en
  • FR939159A - Improvements to filtering devices for direct current electric generators : en fr
  • GB611707A - Improvements in and relating to electronic valve circuits for interchanging power between alternating and direct current circuits : en
  • AU2344448A - Television synchronizing and background control circuits : en
  • US2452820A - Eddy-current coupling : en
  • US2452636A - Method of making hollow valves : en
  • US2452846A - Ice cube tray : en
  • US2452964A - Violin peg : en
  • US2452733A - Winding machine : en
  • GB611543A - Improvements in or relating to traction apparatus for endless track vehicles : en
  • USD151651S - Design foe a clothes peg : en
  • ES16850Y - Folding chair perfected. : en es
  • FR939147A - Insulating material and method of manufacturing this material : en fr
  • CA452379A - Method of and system for translating signals : en fr
  • CA452406A - Window ventilator : en fr
  • USD151646S - Design for a house : en