• US2405198A - Means for controlling advancement of stock : en
  • US2405281A - Object locater : en
  • AU542646A - Improved carbon-pile electrical regulators : en
  • AU121852B2 - Improvements in or relating to magnetic recording heads : en
  • US2405315A - Purification of sugar juice : en
  • CA436170A - Dirt collector : en fr
  • US2405245A - Examining the interiors of gun barrels : en
  • AU121824B2 - A system for continuously varying by either local or remote control the angular rotation ofa movable member through a predetermined arc of movement : en
  • US2405515A - Amplifier coupling device : en
  • AU1425744A - Improvements in or relating to remote control apparatus : en
  • US2405253A - Buttonhole attachment for sewing machines : en
  • US2405324A - System of and apparatus for flowing wells : en
  • GB579600A - Television signal-generating system : en
  • US2405144A - Heating system : en
  • FR912494A - New textile articles based on superpolyamides : en fr
  • GB579482A - Improvements in or relating to screens for television : en
  • FR912421A - Improvements to hydraulic devices such as pumps and motors : en fr
  • FR912415A - Automatic microfilm projector : en fr
  • AU2429345A - Control circuits : en
  • US2405197A - Machine for making sun screens : en
  • GB579509A - Improvements in electrical contact brushes : en
  • GB579489A - An improved intubator apparatus for intestinal intubation : en
  • US2405476A - Stem attaching means for globe valves : en
  • DK64671C - Electric fence, the wire of which is carried by poles. : da en
  • CA436203A - Adjustable stop mechanism : en fr
  • CA436185A - Pole for drying machines : en fr
  • US2405196A - Oil burner : en
  • US2405139A - Support for capacitors : en
  • US2405169A - Refrigeration : en
  • US2405371A - Vibration eliminator for pressure regulators : en
  • FR912251A - Improvements to the thermo-organic constitution of machines using pressurized fluids : en fr
  • FR912294A - Improvements in molding plastics and their manufacturing process : en fr
  • US2405294A - Drive-in serving system : en
  • US2405493A - Radio range orientator : en
  • US2405301A - Optical system : en
  • US2405208A - Control-force reducing device : en
  • US2405238A - Position determining system : en
  • US2405368A - Convertible midriff dress : en
  • AU1433444A - Device for spraying gardens andthe like purposes : en
  • FR912315A - Dual texture container : en fr
  • GB579599A - Improved spark plugs : en
  • USRE22776E - Bail fastening means : en
  • AU397446A - Method of and apparatus for effecting combustion in coke ovens : en
  • CA436290A - Elevator : en fr
  • GB579637A - Improvements in filter frame : en
  • GB579471A - A new or improved control valve for fluids : en
  • GB579574A - Improvements in or relating to record-card controlled machines : en
  • US2405488A - Variable pitch propeller : en
  • FR912262A - Improvements to gas tube stroboscopy devices : en fr
  • FR912309A - Anti-theft device for automobiles : en fr
  • CA436263A - Catalytic conversion process : en fr
  • US2405365A - Power chain saw frame and jointing block therefor : en
  • FR912428A - Process for the preparation of sulfonamide derivatives : en fr
  • FR912349A - Speed variator : en fr
  • GB579490A - Improvements in adjustable louvre shutters and blinds : en
  • GB579504A - Coupling means for shafts and like torque-transmitting members : en
  • CA436227A - Variable speed hydraulic transmission : en fr
  • US2405224A - Novel shoe construction : en
  • US2405386A - Isomerization of saturated hydrocarbons : en
  • GB579620A - A new or improved machine for feeding cement or other granular material or material in the form of lumps, into containers : en
  • FR912413A - Improvements made to electric heating radiators : en fr
  • CA436191A - Clothes pin : en fr
  • FR912451A - Straw and forage baler : en fr
  • GB579475A - Improvements in filters for air and other gases : en
  • US2405468A - Foundry cutoff machine : en
  • GB579631A - Improvements relating to tying machines for packages and the like : en
  • GB579580A - A sponging and trimming apparatus for ceramic ware : en
  • GB579602A - Improvements relating to metal faced panelling : en
  • FR912366A - Installation of simultaneous charging and at the same time of electric accumulators, even in different states of discharge : en fr
  • GB579524A - Improvements relating to electrical devices employing piezo-electric crystals : en
  • FR912426A - Clasp for bag and its assembly process : en fr
  • US2405192A - Resistor : en
  • US2405413A - Aircraft supercharger arrangement : en
  • FR912336A - Advanced hand pump for oils and fuels : en fr
  • US2405131A - Bucket locking means : en
  • GB579559A - New or improved means for sharpening the cutting cylinder blades of lawn mowers : en
  • US2405387A - Machine tool : en
  • FR912449A - Equipment for the protection and signaling of road works : en fr
  • US2405243A - Oil burner : en
  • GB579556A - Protective covering for metal articles and method of applying : en
  • US2405477A - Ray-generating apparatus : en
  • US2405361A - Portable holdall, case, and bag : en
  • US2405540A - Nonbenzenoid compounds : en
  • USD145372S - Design for a sweater : en
  • FR912490A - Method and apparatus for dehydrating and drying agricultural foodstuffs and products of organic or mineral origin by the use of radiant heat : en fr
  • US2405254A - Mold core : en
  • FR912479A - New textile articles based on superpolyamides and products obtained therefrom : en fr
  • US2405260A - Combined body and chassis structure : en
  • US2405304A - Lagging and method of making the same : en
  • US2405379A - Secret pocket billfold : en
  • AU314146A - Device for holding a needle-hole plate ona sewing machine : en
  • FR912252A - Improvements to telegraph transmitters : en fr
  • GB579491A - Improvements in steering gear : en
  • GB579487A - Improvements in and relating to appliances for use in coal-bag and sack filling operations : en
  • GB579539A - Improvements in or relating to invalid and like carriages having hand-operated driving mechanism : en
  • US2405364A - Hydrocarbon conversion process and apparatus : en
  • AU136938B2 - Improvements in or relating to selenium rectifiers : en
  • AU2525145A - Ejector and filling device : en
  • US2405325A - Roofing : en
  • FR912378A - Apparatus used for the reproduction of subjects from nature : en fr
  • GB579462A - Improvements relating to the manufacture of highly polymeric substances : en
  • US2405475A - Gas pump : en
  • GB579626A - Improvements in or relating to valve controlled nozzles : en
  • US2405242A - Microwave radio transmission : en
  • US2405292A - Nut blanching machine : en
  • US2405336A - Polychloroprene composition : en
  • USD145362S - Design for a game board : en
  • CA436188A - Stopper : en fr
  • CA436257A - Phase and frequency modulation receiver : en fr
  • CA436295A - Mixed acid preparing process : en fr
  • AU569346A - A device for the ignition and the operation of a gas filled electric discharge apparatus : en
  • AU121928B2 - Shock absorber : en
  • AU121846B2 - Improvements in or relating to intermediate explosive primers : en
  • FR912470A - Process for obtaining coatings or coatings based on superpolyamides : en fr
  • US2405232A - Liquid filling machine : en
  • US2405228A - Automatic altitude control device : en
  • US2405377A - Cable tension regulator : en
  • AU121819B2 - Improvements in or relating to water heaters : en
  • CA436251A - Frequency modulation detector circuit : en fr
  • GB579530A - Improvements in or relating to electric measuring apparatus : en
  • FR912288A - Oven with concrete mantle : en fr
  • CA436219A - Fibre container closure means : en fr
  • FR912442A - Improvements to pumps for locks : en fr
  • AU133216B2 - Wire wheel brush : en
  • US2405384A - Illuminating ankle bracelet and the like : en
  • CA436184A - Power-driven bar-swaging machine : en fr
  • US2405333A - Two-speed parachute : en
  • US2405148A - Coupling : en
  • FR912264A - Sheath for casting dental parts : en fr
  • US2405350A - Two-stroke engine : en
  • US2405496A - Driving belt : en
  • US2405394A - Coach body : en
  • FR912347A - Device, applicable to headlights of cycles, motorcycles and the like, for fixing the optical assembly to the headlight body : en fr
  • CA436171A - Undergarment : en fr
  • FR912334A - Apparatus for bleaching irregular water currents : en fr
  • GB579543A - Improvements in and relating to self-exercising apparatus for invalids : en
  • US2405522A - Machine tool : en
  • US2405182A - Ultrasonic ranging device : en
  • US2405142A - Pressure switch : en
  • US2405255A - Venetian blind : en
  • US2405288A - Pipe vise : en
  • US2405466A - Fluid transfer apparatus : en
  • US2405302A - Composition for and method of purifying electrolytes : en
  • CA436298A - Heat-producing material : en fr
  • US2405185A - Sound transmitter and receiver : en
  • FR912414A - Improvements to lighters or gas lighters : en fr
  • GB579532A - Improvements relating to electrical networks : en
  • FR912277A - Process for the preparation of stable solutions of calcium ascorbate : en fr
  • US2405120A - Bearing seal cartridge : en
  • US2405246A - Sound recording system : en
  • FR912327A - Mode of locomotion consisting of a device on floats with an auxiliary motor : en fr
  • GB579585A - Improvements in or relating to tools for automatic capstan or turret lathes : en
  • GB579587A - Improvements in motor-cycle and like saddles : en
  • FR912392A - Drill bit for machine tools and its manufacturing process : en fr
  • GB579525A - Improvements in devices for peeling vegetables and fruit : en
  • GB579474A - Improvements in or relating to means for fixing liners, inserts and the like : en
  • GB579614A - Improvements in draughting machines : en
  • GB579540A - Improvements in or connected with hot water systems for domestic and similar uses : en
  • US2405421A - Method of attaching a plurality of sheets : en
  • US2405155A - Hand truck : en
  • US2405186A - Piezoelectric vibrator : en
  • FR912325A - Lever mechanism : en fr
  • GB579507A - Diversity radio-receiving system : en
  • US2405318A - Piston ring spacer : en
  • GB579617A - Improvements in cupola type furnaces : en
  • GB579588A - Improvements in or relating to the production of artificial insolubilised wet-spun protein filaments : en
  • GB579613A - Improvements relating to the production of sulphone amidines and salts thereof : en
  • FR912255A - Process for using coal, coke, anthracite, charcoal and other similar fuels : en fr
  • GB579584A - Improvements in the treatment of textile materials consisting of or containing animal fibres to reduce their tendency to felt and shrink : en
  • US2405344A - Bowling ball polisher : en
  • GR10796B - CALCIUM HYDROXIDE RECONSTRUCTION SYSTEM (CA (HO) 2) THE ADDITION OF CARBON DIOXIDE (CO2) TO THE PURPOSE OF AQUARIUM. : el en
  • FR912475A - Process for removing water from inside round shapes of paper and board machines : en fr
  • US2405320A - Notice impelling device : en
  • FR912493A - Electrical straightening devices for obtaining a precise gyroscopic vertical on board aircraft and ships : en fr
  • FR912438A - Sawn timber for gasifiers and machine to obtain it : en fr
  • GB579595A - Improvements in or relating to filtering units : en
  • FR912487A - Machine for photographic recording of documents : en fr
  • GB579548A - Improvements in the weighting devices of the drafting rollers of ring spinning and similar frames : en
  • US2405194A - Telephone system : en
  • AU405946A - Improvements in or relating to insecticidal composition : en
  • US2405388A - Cigarette rolling machine : en
  • FR912396A - Sanitary hygiene apparatus : en fr
  • GB579484A - Process for the preparation of diethylamide of d-lysergic acid : en
  • GB579477A - Improvements in the catalytic dehydrogenation of hydrocarbons : en
  • FR912461A - Safety device for washing machine : en fr
  • GB579610A - Improvements in gills for heat exchange or cooling purposes on conduits, containers and the like : en
  • FR912275A - Pocket lighter with pyrophoric stone : en fr
  • CA436233A - Refrigerating apparatus : en fr
  • CA436270A - Adhesive applying system : en fr
  • FR912394A - Lamp command transmitter : en fr
  • FR912363A - Improvements to sanitary facilities, in particular for block water : en fr
  • FR912462A - Mercury switch : en fr
  • US2405146A - Turbomachine : en
  • FR912405A - Housing for electrolytic capacitor : en fr
  • GB579476A - Improvements in or relating to articulated railway vehicles : en
  • FR912291A - Improvements to molding powders and their manufacturing processes : en fr
  • FR912464A - Process for transforming mineral oils into aromatic hydrocarbons : en fr
  • GB579513A - Improvements in or relating to sulphonyl guanidines and methods of preparing same : en
  • FR912463A - Treatment process for synthetic superpolyamides with linear condensation : en fr
  • USD145371S - Design for a sweater : en
  • US2405497A - Over and under scale : en
  • FR912339A - Economical peeler using all safety blades : en fr
  • GB579551A - Improvements in and relating to the manufacture of sheets, tubes and other articles from polystyrene : en
  • GB579624A - Improvements in internal combustion engines operating with oscillating and rotary valves : en
  • US2405334A - Automatic depth control for agricultural implements : en
  • AU1115743A - Improvements in applicators for intravaginal tampons : en
  • AU1408944A - Improvements in or relating to breaking-down machines for use in mining : en
  • CA436190A - Hydraulic jack : en fr
  • AU131510B2 - Method of and apparatus for preparing nitrogen peroxide bleaching agent : en
  • GB579623A - Improvements in or relating to air compressors : en
  • FR912431A - Electrically heated vulcanizing press : en fr
  • GB579597A - Improved device for supplying gas as an alternative fuel to an internal combustion engine : en
  • US2405167A - Apparatus for fluid treating under controlled conditions : en
  • AU131476B2 - Improvements in or relating to air or gas compressors : en
  • CA14801S - Refrigerator cabinet : en
  • GR10799B - ELECTRICAL APPLIANCE FOR CONSTRUCTION OF BINIE - SOUFLE (SWITCHES). : el en
  • AU132152B2 - Improvements in ovens for baking enamelled wires : en
  • FR912455A - Emulsifiable products, insecticides and antiparasitics, which can be used as solvents and wetting agents and be presented in the form of soluble powders : en fr
  • AU1449544A - Improvements in magazine safety razors : en
  • CA436189A - Hydraulic safety brake : en fr
  • CA436253A - Television apparatus : en fr
  • CA436212A - Coloured coupler : en fr
  • AU121853B2 - Improvements in and relating to electrically insulated conductors : en
  • US2405132A - Railroad journal box : en
  • DK64680C - Steel holder for metalworking machines. : da en
  • DK64682C - Rotary pump or Rotary compressor. : da en
  • AU540146A - Improvements in or relating to heat radiating apparatus : en
  • FR912408A - Improvements to the gasoline supply of lighters, lighters or others : en fr
  • CA436224A - Television transmitting or receiving system : en fr
  • AU130962B2 - Control circuits : en
  • US2405149A - Hollow rubber article and apparatus for producing same : en
  • US2405518A - Illuminating device : en
  • US2405484A - Combination cushion and life preserver : en
  • US2405119A - Brake arrangement : en
  • US2405539A - Enclosure : en
  • AU478646A - Method of and apparatus for preparing nitrogen peroxide bleaching agent : en
  • CA436222A - Centering device for electron guns : en fr
  • AU1362944A - Application of prepared adhesive to webs : en
  • AU121854B2 - Improvements in or relating to breaking-down machines for use in mining : en
  • CA436240A - Friction shock absorbing mechanism : en fr
  • AU2481145A - A system for indicating the value ofa shape characteristic ofan impulse : en
  • FR912272A - Spinning reel : en fr
  • FR912316A - Improvements to contactors or relays with mercury bulb contacts : en fr
  • US2405296A - Bedspring : en
  • US2405212A - Hydroxylating pot type burner : en
  • US2405465A - Jet propulsion motor : en
  • US2405134A - Distance measuring system : en
  • US2405491A - Ironing machine : en
  • US2405473A - Cam gear structure : en
  • US2405541A - Method and apparatus for repairing propeller shaft housings : en
  • CA436252A - Film feeding mechanism : en fr
  • US2405248A - Storm window : en
  • US2405244A - Rotary wing aircraft : en
  • US2405290A - Television signal amplifier : en
  • FR912301A - Improvements to caps or closures for jars, bottles, thin metal cans and the like : en fr
  • FR912448A - Tapping box : en fr
  • AU121830B2 - Improvements inthe treatment of white materials : en
  • FR912269A - high efficiency ejector : en fr
  • GB579472A - Improvements in aircraft undercarriages : en
  • FR912311A - Screwdriver : en fr
  • CA436269A - Reinforcing element producing and applying apparatus : en fr
  • US2405369A - Safety key cabinet : en
  • US2405509A - Slider for separable fasteners : en
  • AU121924B2 - Improvements in or relating to armour piercing or other shell or shot : en
  • GB579522A - Improvements relating to bells : en
  • US2405133A - Method and means for measuring surface roughness : en
  • FR912261A - Improvements to speed governors : en fr
  • FR912283A - Motor synchronization : en fr
  • GB579589A - Improvements in and relating to wedges : en
  • AU1269344A - An improved toothbrush : en
  • CA436231A - Magnetic core : en fr
  • GB579465A - Improvements in or relating to repp fabrics : en
  • FR912318A - Mobile jet dual current cannula : en fr
  • FR912391A - Improvements to the process of treating solids in industrial furnaces and corresponding advanced furnaces : en fr
  • CA436246A - Booster pump for aircraft fuel system : en fr
  • FR912478A - Process for coloring products based on superpolyamides : en fr
  • GB579557A - Improvements in or relating to calculating devices : en
  • IE17065L - Blasting cartridge : en
  • CA436299A - Tennis ball : en fr
  • US2405444A - Radiographic filter : en
  • FR912473A - Improvements to laces, braids, cords or the like based on superpolyamides : en fr
  • US2405527A - Laminated material and method of making same : en
  • GB579526A - Improvements in vibratory mechanism : en
  • GB579593A - Improvements relating to safety razor blade sharpening appliances : en
  • US2405362A - Deicer unloading valve : en
  • US2405528A - Method of forming shaped articles : en
  • SU67295A1 - The method of obtaining iodized salt : en ru
  • USD145358S - Ifffentor by : en
  • US2405532A - Corrosion testing apparatus : en
  • US2405195A - Film magazine : en
  • US2405293A - Open-faced air filter frame : en
  • USD145348S - Design for an aircraft tire : en
  • US2405112A - Convertible combination storm sash and screen : en
  • US2405516A - Isomerization of saturated hydrocarbons : en
  • GB579494A - Improvements in fasteners for conveyor and like belts : en
  • US2405355A - Rod-casting machine and method : en
  • USD145353S - Design for an alarm clock : en
  • GB579505A - Improvements in or relating to the manufacture of pyridine carboxylic acids : en
  • DK64675C - Drawing table. : da en
  • US2405376A - Advertising display device : en
  • US2405343A - Rubber hydrochloride compositions : en
  • GB579466A - Improvements relating to control valves for fluid under pressure : en
  • GB579508A - Improvements in and relating to tools, particularly tools for cutting out and removing portions of sheet metal and other sheet materials : en
  • GB579570A - Improvements in dynamo electric machines : en
  • FR912267A - Mechanism for automatic perpetual calendar : en fr
  • FR912257A - Electric knife for cutting wax and the like, in particular for uncapping honeycombs : en fr
  • US2405307A - Phonograph needle : en
  • FR912370A - Process for the preparation of substituted or unsubstituted diarylbutadienes and diaryldialkoylethanes : en fr
  • FR912345A - Method of reproducing television programs : en fr
  • GB579531A - Improvements in or relating to the production of an electrically conducting layer on the envelope of an electron discharge device or the like : en
  • FR912270A - Improvements in the preparation of the lead derivative of nitro-aminoguanidine : en fr
  • GB579618A - Improvements in or relating to pocket knives : en
  • GB579537A - Improvements in fencing : en
  • FR912440A - Locking device, particularly applicable to machine tools : en fr
  • GB579473A - Improvements relating to fluid pressure power supply systems : en
  • US2405519A - Frequency multiplier : en
  • GB579625A - Improvements in or relating to the softening of water : en
  • US2405154A - Dairyman's glove : en
  • US2405483A - Apparatus for inspecting manufactured articles : en
  • US2405511A - Self-addressing envelope : en
  • US2405141A - Conveyer table : en
  • FR912419A - Improvements to fire hoses : en fr
  • AU1386644A - Improvements in and relating to electrically insulated conductors : en
  • CA436221A - Metal body deseaming and desurfacing process : en fr
  • AU128765B2 - Improvements relating tothe control ofthe tracking of belts or bands : en
  • CA436194A - Absorbent production : en fr
  • FR912298A - Electric brake on automobile or horse trailer or other : en fr
  • US2405277A - Tuning apparatus : en
  • US2405367A - Pencil machine : en
  • CA436262A - Barbituric acid : en fr
  • FR912282A - Improvements to refrigeration devices : en fr
  • FR912406A - New method of producing electric sparks, in particular for igniting flammable gases and liquids, and lighters with application : en fr
  • US2405193A - Axle drive, especially for railway vehicles : en
  • FR912398A - Method and equipment for firing special projectiles and projectiles suitable for this method : en fr
  • FR912457A - Device for remote electrical control : en fr
  • US2405272A - Ice manufacture : en
  • US2405284A - Centrifugal compressor : en
  • FR912333A - Perforated graduation system : en fr
  • FR912482A - Method and device for creating a variable electrical phase shift : en fr
  • IS419A7 - Method for drying salted fish and on spreading frames. : en is
  • US2405523A - Light-sensitive photographic compositions and elements : en
  • US2405268A - Business machine : en
  • FR912358A - Tap : en fr
  • AU121884B2 - Improved egg fertility tester : en
  • US2405514A - Carbon pile voltage regulator : en
  • BE462916A - : en
  • DK64681C - Device by sewing machines. : da en
  • CA436229A - Poster panel : en fr
  • CA436264A - Hydrocarbon isomerization : en fr
  • AU1238443A - Improvements relating to electric furnaces : en
  • AU133983B2 - Improved carbon-pile electrical regulators : en
  • AU121844B2 - Improvements in applicators for intravaginal tampons : en
  • US2405108A - Amusement device for carnivals : en
  • AU138941B2 - A device for the ignition and the operation of a gas filled electric discharge apparatus : en
  • AU530646A - Improvements in and relating to jet engines : en
  • US2405279A - Oil seal construction : en
  • AU2313345A - Pulse generating system : en
  • AU1512544A - Improvements in or relating tothe production of moistureproof cellulosic sheet or film : en
  • CA436200A - Filtering system : en fr
  • USD145357S - Design for a watch bracelet : en
  • AU1509444A - Improvements in electric switches : en
  • CA436248A - Electron beam tube : en fr
  • AU530546A - Improvements in and relating to sustaining propellers for flying machines and machines equipped therewith : en
  • CA436182A - Sectional canoe : en fr
  • CA436241A - Flexible abrasive disc assembly : en fr
  • IE17417L - Work-support for heel-attaching machines : en
  • US2405118A - Solar distillation apparatus : en
  • FR912299A - Process for the preparation of quaternary salts of dimethylcarbaminic ether-salt and o-dimethylaminophenol : en fr
  • FR912393A - Economical cooling of internal combustion or internal combustion engines : en fr
  • US2405454A - Circuit interrupter and control therefor : en
  • USD145366S - Design foe a hanging flower vase : en
  • FR912320A - reinforced concrete elements, previously manufactured, for the establishment of quay walls : en fr
  • CA436243A - Chain drive assembly : en fr
  • FR912435A - Method and device for the high lift of aerodynes : en fr
  • AU121833B2 - Improvements relating to water tube boilers : en
  • CA436258A - Electro-acoustical apparatus : en fr
  • CA436266A - Bituminous waterproofing material : en fr
  • FR912450A - Improvement in frequency modulation processes : en fr
  • US2405397A - Electric circuits : en
  • US2405161A - Tractor drawn freight hauling car : en
  • AU170146A - Aircraft indicator system : en
  • CA14803S - Peg for holding vines : en
  • CA436271A - Toggle actuated appliance : en fr
  • FR912395A - New valve manufacturing process : en fr
  • US2405166A - Process for waving hair : en
  • FR912447A - Device for controlling the movement of a machine component : en fr
  • CA436177A - Safety pin : en fr
  • GB579561A - Improvements relating to the distillation of solid carbonaceous substances : en
  • GB579572A - Improvements relating to ventilators : en
  • AU1488444A - Improvements in or relating to aerial bombs, pyrotechnic devices andthe like : en
  • FR912489A - Process for cleaning apparatus or parts soiled with superpolyamides : en fr
  • GB579638A - Improvements in or relating to the laying of pipes : en
  • FR912326A - Identity control device : en fr
  • USD145351S - Design for an alarm clock : en
  • AU133913B2 - Improvement in compensating circuit : en
  • FR912410A - Voltage regulator and its drive control : en fr
  • FR912430A - Improvements to circuits transforming a frequency variation into a current or voltage variation : en fr
  • US2405162A - Knitting method and apparatus : en
  • CA436292A - Acid solution : en fr
  • FR912287A - Continuous carbonization furnace : en fr
  • FR912304A - Manufacturing process of gear wheels : en fr
  • US2405259A - Work carriage : en
  • US2405322A - Fluid pump : en
  • US2405211A - Communication system : en
  • US2405173A - Projector for page printers : en
  • GB579515A - Improvements in or relating to vacuum tight seals : en
  • AU129800B2 - Ejector and filling device : en
  • GB579478A - Improvements in slide rule calculating apparatus : en
  • CA436235A - Water measuring tank : en fr
  • GB579577A - Moulded worm shaft : en
  • FR912350A - Process for the preparation of stable solutions of thrombin : en fr
  • FR912359A - Machine tool stop : en fr
  • FR912499A - Assembly process for parchment, paper or similar lampshades and resulting product : en fr
  • GB579483A - Warp protector motion for multiple shuttle looms : en
  • FR912424A - Adjustable electromagnetic braking device applicable among other things to spindles of spinners and twists : en fr
  • FR912437A - Clothes dryer intended to be adapted to a heating appliance : en fr
  • FR912259A - Multi-colored mechanical pencil : en fr
  • FR912436A - Electro-magnetic braking device : en fr
  • GB579547A - Improvements in aerofoil sections : en
  • GB579576A - Improvements in and relating to electrical condensers : en
  • US2405348A - Automobile sunshade : en
  • AU264446A - Indicators : en
  • FR912443A - Improvements to duplicators and similar devices : en fr
  • AU121843B2 - Polymerised nitro-ethylene and process for its preparation : en
  • US2405498A - Shoe sole : en
  • DK64678C - Method and Apparatus for the Separation of Metallic Magnium by Condensation of Vapors Produced by Thermal Reduction of Magnesium-Containing Substances. : da en
  • FR912375A - Improvements to compressed air circuit breakers with auxiliary arc : en fr
  • GB579488A - Improvements in combined electric tumbler switches and plug couplings : en
  • GB579639A - Improvements in and relating to potters' jolleys : en
  • GB579517A - Improvements in or relating to bale-tie straining tools : en
  • US2405121A - Counting device for overvoltage : en
  • US2405153A - Venetian blind adjusting means : en
  • US2405311A - Device for slicing butter or the like : en
  • US2405486A - Sampling machine : en
  • USD145369S - Design for a sweater : en
  • CA436278A - Catalyst composite manufacture : en fr
  • CA436280A - Inhaler : en fr
  • AU1460944A - Improvements in or relating to means for securing accessory fittings within liquid containers : en
  • CA436283A - Sugar mixture centrifugal purging and washing method : en fr
  • FR912387A - Valve for electrical circuit breaker : en fr
  • FR912306A - Process and installation for impregnating hollow metal molding parts : en fr
  • GB579590A - Improvements in and relating to rotatable valves for internal combustion engines : en
  • US2405341A - Toy gun : en
  • US2405537A - Punch press : en
  • AU121867B2 - An improved toothbrush : en
  • CA436291A - Circuit for electric discharge devices : en fr
  • CA436296A - Anhydrous calciumnitrate production : en fr
  • AU66046A - Cup wire brush : en
  • US2405312A - Loading machine : en
  • US2405378A - Conveyer structure : en
  • CA436247A - Electrical resistance : en fr
  • US2405210A - Submarine signal device : en
  • US2405332A - Toll telephone diversion system : en
  • US2405416A - Storage arrangement : en
  • US2405512A - Firearm rear sight : en
  • AU554646A - u Improvements in and relating to fluid control valves : en
  • CA436198A - Flexible hose coupling : en fr
  • AU441246A - Shaft seal with internal drive : en
  • US2405425A - Electrical insulator : en
  • US2405335A - Concrete bridge superstructure : en
  • AU554746A - Improvements in ovens for baking enamelled wires : en
  • AU132415B2 - Method of and apparatus for effecting combustion in coke ovens : en
  • CA436259A - Variable pitch drive screw and tuning system : en fr
  • AU121871B2 - Improvements in or relating to aerial bombs, pyrotechnic devices andthe like : en
  • US2405366A - Manufacture of zinc borate : en
  • US2405172A - Riveter : en
  • US2405339A - Equipment for observing dial tone speed : en
  • US2405256A - Heat exchanger : en
  • US2405435A - Machine tool : en
  • US2405370A - Solenoid operator : en
  • US2405470A - Manufacture of acetic anhydride : en
  • FR912399A - Universal system for fixing and rigidly holding flexible tubes with various ingredients : en fr
  • USD145365S - Design for a door knocker : en
  • FR912362A - Device for handling ampoules and in particular pharmaceutical ampoules : en fr
  • FR912456A - Improvements made to textile fiber finishing processes : en fr
  • FR912313A - Process for reducing iron ores in the presence of hydrogen gas : en fr
  • USD145361S - Design for a work-illuminating tool : en
  • FR912382A - advanced support element for electric cables : en fr
  • US2405126A - Control means for fuel feed systems : en
  • FR912418A - Improvements in television scanning circuits : en fr
  • GB579615A - An improved self-closing valve : en
  • DK64679C - Hot air motor. : da en
  • AU537846A - Receiver of angle modulated waves : en
  • US2405140A - Liquid level switch : en
  • US2405271A - Fastening means : en
  • GB579630A - Improvements relating to automatic tying machines for packages and the like : en
  • GB579546A - Improvements in and connected with the sockets of electric couplings : en
  • FR912376A - Process for the production of grape sugar : en fr
  • GB579523A - Improved method, and tools employed therewith, for cutting articles out of sheet metal or plywood blanks : en
  • GR10797B - HORIZONTAL SAW TAPE. : el en
  • US2405446A - Roll supporting device : en
  • FR912364A - Compressed gas circuit breaker for high voltage and high power : en fr
  • GB579536A - High frequency amplifiers : en
  • GB579592A - Device for the popularization of astronomy : en
  • FR912412A - Direction-finding device with centralized readings : en fr
  • FR912268A - Photography and cinematography in relief by variable spacing of two lenses and multiple projection of stereoscopic images : en fr
  • FR912317A - Improvements to automatic time switches: staircase timers : en fr
  • FR912296A - Improvements to moldable materials also called plastics : en fr
  • DK64673C - Clamp for Fastening Skins by Expansion. : da en
  • US2405460A - Door seal : en
  • US2405337A - Gear cutting : en
  • US2405189A - Stabilized explosive : en
  • US2405533A - Track structure for model railways : en
  • US2405230A - Telephone system : en
  • US2405266A - Illuminated sign : en
  • US2405314A - Transmission coupling circuit : en
  • FR912351A - Method and device for facilitating the landing of airplanes : en fr
  • CA436238A - Shoe manufacture : en fr
  • US2405200A - Safety razor : en
  • US2405258A - Process for desulphurizing : en
  • GB579573A - Improvements in or relating to means for feeding liquid feed water treatments to boilers and the like : en
  • US2405205A - Beet harvester : en
  • US2405291A - Printing screen : en
  • US2405150A - Perforating device : en
  • FR912452A - Machine intended to perform work such as, in particular, drilling : en fr
  • US2405353A - Polyazo dyestuffs of the stilbene series and process of making same : en
  • US2405485A - Article forming apparatus : en
  • FR912404A - Ultra-short electromagnetic wave receiver : en fr
  • US2405181A - Frequency determining unit : en
  • US2405285A - Controllable pitch propeller : en
  • FR912292A - Improvements to plastics and their manufacturing processes : en fr
  • FR912308A - Printing on artificial sponges and resulting products : en fr
  • GB579632A - Improvements relating to control apparatus for presses or the like actuated by fluid under pressure : en
  • FR912434A - Aerodynamic brake for aerodynes : en fr
  • GB579529A - Improvements in or relating to the packaging of materials : en
  • FR912458A - Cold accumulator : en fr
  • FR912484A - Process for the manufacture of yarns based on superpolyamide fibers : en fr
  • GB579622A - Improvements in or relating to mining machines : en
  • US2405392A - Refrigerating apparatus : en
  • US2405453A - Fruit picker's apparatus : en
  • US2405183A - Endoethylene halocyclopentanoindanes : en
  • US2405429A - Position indicator : en
  • GB579534A - Improvements relating to the manufacture of fluorescent material for fluorescent lamp : en
  • FR912335A - Low temperature firing of carbonated zinc ores with a view to their subsequent chemical or physical treatments : en fr
  • FR912420A - Improvements to machines for handling bulk materials : en fr
  • AU129809B2 - Electrically conductive rubber : en
  • AU563146A - Improvements in or relating to compasses : en
  • AU1564544A - Improvements relating to water tube boilers : en
  • US2405352A - Dual power thermal locomotive : en
  • US2405521A - Web of stretchable material and bag made therefrom : en
  • US2405319A - Relay : en
  • AU1171743A - Shock absorber : en
  • US2405385A - Slicing apparatus : en
  • US2405448A - Refrigerating apparatus : en
  • FR912476A - Improvements to textile machines : en fr
  • GB579501A - Universal joints : en
  • US2405188A - Control system for rotative winged aircraft : en
  • GB579562A - Improvements in filters : en
  • FR912367A - Potato planting machine : en fr
  • DK64685C - Thermal switch, especially for use in automatic fire alarm systems. : da en
  • US2405329A - Method of molding gloves : en
  • US2405538A - Foam generation : en
  • US2405201A - Method of forming closed metal capsules : en
  • FR912402A - Retractable wing chair : en fr
  • US2405338A - Actuator : en
  • USD145356S - Design fob, a bracelet : en
  • AU568846A - Looseleaf Books : en
  • GB579481A - Improvements in or relating to speed-governors for machines : en
  • FR912355A - Sheet supplier mechanism : en fr
  • US2405507A - Charger for explosives : en
  • US2405298A - Twist drill : en
  • FR912373A - Vibrated concrete panels and bricks for the rapid construction of homes : en fr
  • FR912471A - Process for obtaining new textile articles based on superpolyamides : en fr
  • US2405401A - Apparatus for treating fibrous materials : en
  • USD145359S - Plastic unit for handbags or the like : en
  • CA436211A - Ester : en fr
  • FR912284A - Elastic contact : en fr
  • FR912389A - Hydraulic cylinder and control device for presses, comprising such cylinders : en fr
  • US2405452A - Tree protector : en
  • CA436272A - Regenerating repeating system : en fr
  • AU121858B2 - Improvement in beneficiation of iron ore : en
  • US2405308A - Dry firing cartridge : en
  • US2405357A - Friction clutch : en
  • FR912423A - Dispenser for independent sheets, printed or not : en fr
  • GB579498A - Improvements in or relating to the generation of impulses : en
  • US2405316A - Stringed musical instrument : en
  • US2405406A - Welding rod holder : en
  • AU121845B2 - Improvements in or relating tothe decarburisation of austenitic manganese cast iron alloys andthe alloys themselves : en
  • US2405434A - Broaching machine : en
  • AU136147B2 - Improvements in or relating to protective devices : en
  • CA436168A - Engine rotary valve : en fr
  • US2405213A - Process and apparatus for production of fiber from vegetable matter : en
  • US2405408A - Preparation of synthetic gels : en
  • US2405458A - Vehicle wheel connecting joint : en
  • US2405216A - Process for packaging surgical string material : en
  • FR912477A - Process for making ligatures, assemblies or the like : en fr
  • AU1330644A - A system for continuously varying by either local or remote control the angular rotation ofa movable member through a predetermined arc of movement : en
  • AU133652B2 - Improvements in and relating to sustaining propellers for flying machines and machines equipped therewith : en
  • US2405360A - Mechanical movement : en
  • USD145350S - Design for a combined wall clock : en
  • CA436265A - Clutch mechanism : en fr
  • US2405151A - Arylamine salts of anthraquinonesulphonic acids as printing aids : en
  • US2405439A - Explosive operated valve : en
  • CA436275A - Finned tubing manufacture : en fr
  • US2405380A - Ijnitfd statfs patfnt offipf : en
  • US2405237A - Electronic trigger circuit with time-delay : en
  • CA436289A - Container : en fr
  • AU121869B2 - Improvements in or relating to water treating apparatus and methods : en
  • US2405123A - Antenna system : en
  • US2405235A - Underlay for floor coverings : en
  • AU131374B2 - Indicators : en
  • AU129866B2 - Filter system : en
  • US2405354A - Curtain saver : en
  • US2405115A - Floating structure : en
  • US2405342A - Charging machine : en
  • US2405489A - Coupling device for pipes or tubes : en
  • GB579594A - Improvements in fluid heater cleaners : en
  • FR912293A - New and improved molding powder and method of making the same : en fr
  • GB579628A - Improvements in windscreen wipers : en
  • US2405479A - Water treatment device : en
  • AU2307745A - Filter system : en
  • CA436279A - Feed mechanism : en fr
  • US2405130A - Screw driver : en
  • US2405472A - Diaphragm : en
  • AU1455544A - Improvement in beneficiation of iron ore : en
  • AU133523B2 - Electron discharge devices : en
  • CA436244A - Glass bonded insulating composition : en fr
  • US2405310A - Basket handle : en
  • IE17891L - Driving device flexibly mounted condensers : en
  • US2405164A - Turbine stator : en
  • FR912439A - Slow cycle intermittent lubrication system : en fr
  • US2405249A - Method of applying coating films : en
  • US2405536A - Electrode holder : en
  • US2405374A - Bookmark : en
  • US2405400A - Releasable pin : en
  • AU121827B2 - Improvements in or relating to remote control apparatus : en
  • US2405525A - Earring : en
  • US2405407A - Railway frog : en
  • US2405317A - Heater : en
  • AU121876B2 - Improvements inthe pulling over or lasting of shoes : en
  • AU132393B2 - Improvements in and relating to jet engines : en
  • AU121859B2 - Improvements in or relating to means for securing accessory fittings within liquid containers : en
  • CA436172A - Truck crane : en fr
  • US2405251A - Clamping device : en
  • US2405492A - Baseball base : en
  • CA436187A - Crane turntable : en fr
  • USD145370S - Design fok a sweater : en
  • CA436167A - Female quadruped urine collecting apparatus : en fr
  • US2405165A - Process for dyeing of suede : en
  • AU134539B2 - Improvements in or relating to compasses : en
  • US2405160A - Photographic developing tank : en
  • FR912485A - New ribbons for typewriters or similar typing machines : en fr
  • GB579568A - Solidifying normally liquid hydrocarbons : en
  • FR912348A - Photographic and heliographic printing apparatus : en fr
  • US2405158A - Multiple contact countercurrent extractor : en
  • CA436245A - Machinable insulating composition : en fr
  • AU121868B2 - Improvements in and relating to flexible power transmission members : en
  • CA436237A - Protective system : en fr
  • US2405229A - Electrical oscillatory system and apparatus : en
  • US2405508A - Electrolytic stencil : en
  • US2405432A - Cooling apparatus : en
  • USD145346S - Portable power driven hand tool unit : en
  • US2405382A - Accelerometer : en
  • US2405127A - Valve : en
  • FR912295A - Improvements to plastics : en fr
  • AU478746A - Improvements relating tothe control ofthe tracking of belts or bands : en
  • CA436205A - Holder for hook to gut : en fr
  • CA436166A - Display mount support : en fr
  • CA436225A - Collapsible tube : en fr
  • AU1468744A - Improvements relating to machines for subdividing blocks of glue andother materials into small pieces : en
  • US2405240A - Locking latch structure : en
  • US2405410A - Feeding mechanism for ring doubling and like frames : en
  • GB579555A - : en
  • FR912330A - Flexible surface obtained by wooden elements : en fr
  • GB579569A - Improved electrical service distribution arrangement : en
  • AU1133843A - Improvements in or relating tothe decarburisation of austenitic manganese cast iron alloys andthe alloys themselves : en
  • CA436293A - Carbonaceous material thermal treatment : en fr
  • US2405462A - Wrench : en
  • USD145373S - Design for a sweater : en
  • AU1374344A - Improvements in or relating to magnetic recording heads : en
  • US2405215A - Winding machine : en
  • US2405517A - Bottle carrier : en
  • US2405190A - Fluid turbine : en
  • US2405404A - Domestic appliance : en
  • FR912468A - Improvements to gear pumps and in particular to those for viscous fluids such as, for example, those intended for the manufacture of artificial textiles : en fr
  • AU1358144A - Improvements in or relating tothe manufacture of artificial threads : en
  • AU1357444A - An improved composition for destroying insects, particularly buffalo flies : en
  • US2405481A - Grease dispenser : en
  • US2405283A - Elastic fluid mechanism : en
  • CA436178A - Display balloon : en fr
  • AU1500144A - Improved case making apparatus : en
  • FR912332A - Staples for fixing roof coverings such as corrugated sheets, flat sheets, slates, fiber cement, etc., without drilling or indentations in purlins and coverings : en fr
  • FR912444A - Improvements to inductors of electrostatic machines : en fr
  • GB579550A - Improvements in or relating to polyvinyl compositions and to the coating of sheet materials therewith : en
  • FR912401A - Motor vehicle : en fr
  • AU1157343A - Means forand method of reduction of selective fading : en
  • AU1716044A - Unidirectional antenna system : en
  • AU545346A - Improvements in or relating to protective devices : en
  • AU130768B2 - Device for holding a needle-hole plate ona sewing machine : en
  • AU1507944A - Improvements in tipped cutting tools : en
  • CA436207A - Lightning arrester : en fr
  • GB579461A - Improvements in or relating to equipment for the wet finishing treatment of haberdashery, hosiery and like articles : en
  • US2405214A - Call distributing system : en
  • US2405428A - Load transference unit : en
  • AU133810B2 - Improvements in or relating toa plumb bob : en
  • US2405147A - House type dishwasher : en
  • AU121883B2 - Means forand method of reduction of selective fading : en
  • FR912357A - Installation comprising several three-phase motors with collectors : en fr
  • FR912492A - Potato planter : en fr
  • CA436192A - Concrete making method : en fr
  • FR912280A - Package or container of paper or the like and method of making it : en fr
  • FR912467A - Piston improvements for internal combustion engines : en fr
  • US2405390A - Wheel structure : en
  • FR912377A - Hydraulic press : en fr
  • FR912432A - Bidet-water closet bowl : en fr
  • DK64672C - Electric Vibrator. : da en
  • US2405422A - Cooling of engines in aircraft : en
  • AU571046A - Improvements in or relating to the preparation of substituted alpha aminopyridines : en
  • FR912486A - New filter fabrics for gaseous fuels : en fr
  • FR912379A - Aerial top : en fr
  • US2405221A - Method and apparatus for impregnating strip stock : en
  • FR912321A - Constructive devices for setting up an aircraft intended for high speeds and very high altitudes with pilot lying down : en fr
  • GB579544A - Improvements in or relating to pyrophoric lighters for cigarettes and the like : en
  • AU1587044A - Improvements in or relating to armour piercing or other shell or shot : en
  • AU131457B2 - Receiver of angle modulated waves : en
  • USD145363S - Tablecloth or similar article : en
  • GB579582A - Improvements in or relating to multi-stage hydraulic pumps : en
  • CA436254A - Wide band travelling wave antenna : en fr
  • GB579468A - Improvements in heat insulated casings for heat exchangers : en
  • CA436217A - Container forming method : en fr
  • US2405412A - Contact-making wire clamp or connector : en
  • GB579609A - Culinary whisks and beaters : en
  • FR912253A - Reproduction lathe, particularly intended for machining projectiles : en fr
  • GR10801B - EARTHQUAKE AND ECONOMIC RESIDENCE. : el en
  • USD145349S - Design for a fork or similar article : en
  • FR912429A - Improvements to pulse separators of different durations : en fr
  • US2405526A - Automatic stop for phonographs : en
  • GB579586A - Improvements in or relating to helicopters : en
  • US2405241A - Silencer for drains : en
  • US2405204A - Cutting device : en
  • AU121873B2 - Improved means for conveying and retaining flexible articles during treatment : en
  • AU1250043A - Improvements in safety covers for shearing machines : en
  • CA436242A - Flexible abrasive disc assembly : en fr
  • FR912407A - Improvements in the assembly of wicks of lighters, lighters, lamps or others : en fr
  • FR912314A - Process for the manufacture and use of a powder extracted from plants and fruits, serving to replace or supplement organic chemicals in chemical yeast : en fr
  • US2405267A - 3, 6-epoxycyclohexene : en
  • US2405275A - Purification of aluminum hydrate : en
  • US2405474A - Balancing machine : en
  • FR912324A - Improvements to so-called barrel mixers : en fr
  • GB579636A - A vane unit for effecting spin of tyres on aircraft landing wheels : en
  • CA436268A - Varnishing method for armatures : en fr
  • FR912344A - Refining improvements for crude aromatic hydrocarbons containing two or more condensed ring systems : en fr
  • CA436204A - Multiple cable connector : en fr
  • FR912365A - Support for electric lamps and the like : en fr
  • FR912380A - Control head for bottle filling devices, under back pressure : en fr
  • FR912265A - Method of construction of residential houses : en fr
  • US2405419A - Adjustment system : en
  • US2405543A - Telephone set : en
  • FR912483A - : fr
  • FR912341A - Process for the manufacture of an injectable iron preparation : en fr
  • US2405223A - Hydrolysate-neutralization process : en
  • GR10800B - DEEP SURFACE PUMP. : el en
  • FR912441A - Improvement in the diffusion welding process : en fr
  • FR912274A - New handlebar grip for bicycle and its fixing method : en fr
  • FR912411A - Descaling process : en fr
  • GB579634A - Improvements in or relating to portable frames or lights for horticultural purposes : en
  • CA436181A - Drill and nut remover : en fr
  • CA436297A - Metal steel : en fr
  • CA436186A - Model rail track : en fr
  • US2405457A - Coil winding for electric apparatus and method of making same : en
  • US2405449A - Electrical resistance element : en
  • FR912285A - Internal combustion engine : en fr
  • US2405389A - Wheel structure : en
  • FR912433A - Improvements in manufacturing processes for forged steel keys with very flat jaws and product obtained : en fr
  • GB579486A - Improvements in clock mechanisms : en
  • FR912271A - Apparatus intended to induce artificial respiration : en fr
  • FR912368A - Refinements to cloth-covered seats and similar articles : en fr
  • FR912371A - Process for the preparation of 3, 4-di- (p-oxy-phenyl) -hexadiene-2, 4 : en fr
  • FR912254A - Continuous speed variator : en fr
  • FR912369A - Process allowing the partial inflation of a vehicle tire and device for implementing this process : en fr
  • GB579560A - Improvements in or connected with bomb carriers for aircraft : en
  • FR912361A - New packaging : en fr
  • US2405373A - Sheet delivering and printing mechanism : en
  • GB579500A - Improved means for controlling the concentration of dispersions or solutions : en
  • FR912260A - Method for the construction of carrier vessels and ships comprising the application of this method : en fr
  • FR912352A - Pulsator refinements : en fr
  • FR912281A - Hypodermic needle holders : en fr
  • US2405157A - Pickling apparatus : en
  • US2405478A - Method of thickening a localized longitudinal element in a tube : en
  • GB579591A - Improvements in or relating to fluid fuel burners : en
  • FR912388A - Improvements to automatic feeders : en fr
  • AU121838B2 - Improvements in or relating tothe production of moistureproof cellulosic sheet or film : en
  • US2405176A - Safety clip : en
  • US2405252A - Secret communication system : en
  • US2405111A - Electrical connection : en
  • FR912263A - Diving device for underwater work : en fr
  • US2405450A - Process for making low molecular weight lignin degradation products : en
  • USD145354S - Design for a tablecloth ob similar : en
  • FR912331A - Needle for sewing and re-stitching mesh fabrics : en fr
  • US2405128A - Forming machine : en
  • GB579492A - Improvements in potato harvesting machines : en
  • CA436197A - Electrical timing control : en fr
  • US2405436A - Catalytic dehydrogenation : en
  • FR912400A - Loop with special transverse profile for attachment and suspension hook for trouser suspender tab or other clothing : en fr
  • FR912454A - Electric rotating brush machines : en fr
  • CA436286A - Measuring instrument : en fr
  • FR912469A - Process for bleaching products based on superpolyamides : en fr
  • US2405239A - Position determining system : en
  • US2405184A - Unitfd statfs patfnt officf : en
  • US2405270A - Electric flatiron and control therefor : en
  • US2405177A - Stud welding : en
  • US2405328A - Sanding machine : en
  • CA436183A - Stereoscopic picture presentation : en fr
  • US2405233A - Photographic developing tank : en
  • US2405443A - Platform sole : en
  • CA436273A - Fluid mixing and dispensing apparatus : en fr
  • US2405531A - Copper base alloys : en
  • US2405529A - Electrical condenser : en
  • US2405469A - Plank or board joint : en
  • US2405122A - Shaft bearing : en
  • US2405464A - Seal : en
  • AU1515044A - Improved egg fertility tester : en
  • AU121887B2 - Improvements in or relating to electric remote control and indication systems : en
  • US2405503A - Cultivating implement : en
  • US2405467A - Internal grinder and polisher : en
  • US2405206A - Method of activating primary carbon : en
  • AU130807B2 - Rotatable coupler : en
  • AU219746A - Glidepath softener : en
  • AU530446A - Improvements in helicopters : en
  • CA436209A - Thermal relay : en fr
  • US2405358A - Metal wagon body : en
  • US2405431A - Hair curling device : en
  • AU121856B2 - Device for spraying gardens andthe like purposes : en
  • CA436234A - Boiler-absorber assembly : en fr
  • AU561146A - Improvements in or relating to selenium rectifiers : en
  • US2405487A - Mixing method : en
  • AU132948B2 - Improvements relating tothe removal of dissolved salts from seawater : en
  • US2405299A - Trailer : en
  • FR912372A - Process for electrolytic or galvanic metal deposition : en fr
  • GB579545A - Improvements relating to loading apparatus on motor vehicles : en
  • CA436232A - Clutch device : en fr
  • AU137425B2 - Improvements in or relating to signal seeking receiver fora. M. andf. M. signals : en
  • AU569946A - Improvements in or relating toa plumb bob : en
  • LU28025A1 - Taphole plugging machine. : en fr
  • US2405175A - Ultra high frequency oscillator : en
  • US2405287A - Record controlled accounting machine : en
  • AU563446A - Improvements in or relating to air or gas compressors : en
  • AU234746A - The conversion of solid carbonaceous materials to gaseous fuels : en
  • US2405495A - Amusement apparatus : en
  • US2405286A - Electric vapor lamp apparatus and method of operation : en
  • US2405463A - Box : en
  • GB579495A - Improvements in and relating to stands for spools of cable and the like : en
  • US2405490A - Alkylation of isoparaffins : en
  • US2405520A - Device for impregnating filamentary packages with liquids : en
  • CA436281A - Alloy : en fr
  • US2405447A - Feed structure for cartridge belt links : en
  • FR912276A - Magneto : en fr
  • US2405504A - Glassworking apparatus : en
  • US2405159A - Method and machine for finishing the teeth of gear shaving cutters and the like : en
  • FR912480A - New textile articles based on superpolyamides : en fr
  • FR912297A - Automobile or similar single-track vehicle which can be fitted with a special aircraft bearing surface, which can be quickly dismantled : en fr
  • DK64677C - Procedure for the manufacture of plates or shaped bodies by pressing mixtures of wood flour and blood or products derived from blood : da en
  • GB579601A - Improvements in or relating to adjustable centering and like supports : en
  • US2405274A - Reinforcement bar and method of making same : en
  • AU65946A - Wire wheel brush : en
  • FR912495A - New textile articles based on polyamides : en fr
  • FR912381A - Insulated lance : en fr
  • FR912409A - Perpetual calendar of a woman's menstrual cycle : en fr
  • US2405513A - Photogravure printing plate : en
  • GB579499A - Improvements in and relating to synchronising devices for telegraphic receivers : en
  • US2405170A - Suction cleaner : en
  • US2405535A - Adjustable pallet : en
  • GB579607A - Improvements in or connected with tool handles : en
  • AU2471745A - Rotatable coupler : en
  • US2405505A - Ladder hoist : en
  • US2405273A - Ice manufacturing apparatus : en
  • US2405356A - Spring construction : en
  • FR912289A - Vehicle lighting device : en fr
  • US2405440A - Isomerization of olefins : en
  • US2405442A - Auxiliary gasoline container : en
  • US2405456A - Methods of and apparatus for dialytically separating mixtures of substances : en
  • FR912338A - Electric storage stove : en fr
  • GB579554A - Improvements in means for regulating internal combustion engines : en
  • US2405326A - Ear muff : en
  • FR912322A - Painter's palette with its protective cover in transparent, translucent or opaque plastic : en fr
  • GB579633A - A machine for reclaiming foundry sand : en
  • FR912329A - Devices for using high-frequency alternating electric fields for drying bodies : en fr
  • US2405179A - Electromechanical device : en
  • US2405409A - Picture mount : en
  • GB579608A - Improvements in or relating to electric switches and switchgear : en
  • FR912273A - Device for controlling pumps for feeding boilers : en fr
  • FR912346A - Warning device connected to a clockwork movement : en fr
  • GB579506A - Improvements in or relating to a heat radiating structure for bodies requiring to be cooled : en
  • CA436250A - Frequency modulation detector circuit : en fr
  • AU121839B2 - An improved composition for destroying insects, particularly buffalo flies : en
  • AU136541B2 - Method for separating gangue containing materials from ores containing denser minerals : en
  • FR912340A - Overlock sewing machine : en fr
  • GB579629A - Improvements relating to tying machines for packages and the like : en
  • US2405305A - Oven door seal : en
  • US2405331A - Stocking : en
  • CA436175A - Roofing or surfacing material : en fr
  • AU567346A - Improvements relating to arrangements for determining distance and bearing by electromagnetic waves : en
  • US2405500A - Means for and method of secret signaling : en
  • AU1271944A - Improvements in and relating to flexible power transmission members : en
  • CA436213A - Refrigerator cabinet : en fr
  • FR912323A - Universal test bench for construction elements and static propeller balancing : en fr
  • IE17099L - Cigarette papers : en
  • US2405501A - Signaling system : en
  • GB579598A - Improvements in the scavenging system of two stroke cycle internal combustion engines : en
  • GB579464A - Improvements in or relating to clamps for scaffolding : en
  • US2405156A - Hoist : en
  • US2405393A - Batch distillation : en
  • FR912416A - Development of fully movable circular wing aircraft : en fr
  • FR912459A - Improvement in the wheels of vehicles traveling on railways : en fr
  • GB579604A - Improvements in and relating to darts : en
  • FR912474A - Suction centrifugal column pump : en fr
  • FR912446A - Floor made by prefabricated joist : en fr
  • GB579583A - Rotary take-up mechanism for sewing machines : en
  • FR912319A - Inclined ribbon in carbon paper or textile applicable to all typewriters : en fr
  • FR912465A - Process for manufacturing aromatic products from light olefins : en fr
  • US2405264A - Control mechanism for dispensing apparatus : en
  • GB579512A - Improvements in and relating to screw-propellers : en
  • GB579527A - Improvements in or relating to resistance welding apparatus : en
  • US2405109A - Means for translating mechanical energy : en
  • GB579564A - Improved apparatus for the automatic regulation of the temperature in buildings : en
  • US2405321A - Shore : en
  • US2405418A - Globe : en
  • US2405423A - Composition panel board : en
  • FR912445A - Educational game : en fr
  • US2405330A - Insulating structure : en
  • CA436179A - Asbestos product manufacture : en fr
  • GB579503A - Improvements in slack adjusters for brakes : en
  • GB579627A - Improvements in gas proportioning apparatus : en
  • US2405426A - Production of alumina : en
  • US2405480A - Polymerization process : en
  • US2405313A - Toy bomber airplane : en
  • AU139352B2 - Improvements inthe manufacture of soap bars or tablets : en
  • CA436260A - Metal airscrew : en fr
  • USD145364S - Design for a slide projector : en
  • US2405136A - Double deck vehicle : en
  • US2405171A - Face clutch : en
  • US2405219A - Disk brake : en
  • AU135418B2 - Aircraft indicator system : en
  • US2405269A - Adjustable ladder : en
  • US2405222A - Method and apparatus for making composite strip stock : en
  • CA436215A - Electron discharge device : en fr
  • CA436173A - Antimony electro-deposition : en fr
  • US2405135A - Transmission : en
  • US2405107A - Receptacle dispensing carton : en
  • CA436287A - Record bearing document : en fr
  • AU121818B2 - Improvements in insulating sheets or strips : en
  • US2405137A - Method and apparatus for analyzing iron sludge : en
  • AU1464144A - Improved retaining and closing means for doors andthe like : en
  • GB579470A - Improvements in or relating to chain cases, timing covers and the like for motor cycles : en
  • US2405262A - Splash guard for vehicles, especially trucks : en
  • FR912403A - Improvements to multiple-break circuit breakers : en fr
  • US2405203A - Phase type direct indicating direction finder : en
  • AU131620B2 - A system for indicating the value ofa shape characteristic ofan impulse : en
  • US2405174A - Transmission control network : en
  • US2405323A - System and apparatus for flowing wells : en
  • US2405433A - Bone conduction audiphone : en
  • AU554846A - Method for separating gangue containing materials from ores containing denser minerals : en
  • CA436261A - Screw conveyer housing and connection : en fr
  • US2405168A - Projector for page printers : en
  • US2405381A - Writing instrument : en
  • US2405375A - Liquid delivery apparatus : en
  • AU130778B2 - u Improvements in and relating to fluid control valves : en
  • US2405234A - Liquid fuel burning apparatus : en
  • US2405461A - Blast furnace tuyere : en
  • US2405471A - Manufacture of acetic anhydride : en
  • US2405110A - Drill : en
  • DK64683C - Automatic electric Steering gearbox, especially for Vehicles with internal combustion engine operation. : da en
  • US2405257A - Fence machine : en
  • CA436206A - Transformer voltage regulating system : en fr
  • AU121821B2 - Improvements in tipped cutting tools : en
  • US2405209A - Submarine signal device : en
  • AU133315B2 - Improvements in helicopters : en
  • AU121899B2 - Improvements in magazine safety razors : en
  • GB579542A - Improvements in or relating to electric snap action switches of the multiple circuit controlling type : en
  • US2405124A - Garment holder : en
  • GB579528A - An improved tool for forming undercut recesses : en
  • GB579606A - Improvements in or relating to metal rolling mills : en
  • US2405180A - Insulator : en
  • GB579566A - Hydraulic control system : en
  • FR912286A - Welded metal constructions of round iron : en fr
  • FR912266A - Safety device for high-voltage transformers, in particular for transformers used to supply luminescent tubes : en fr
  • CA436202A - Welding apparatus : en fr
  • GB579635A - Improvements in or relating to the manufacture of non-ferrous welding rods or electrodes : en
  • GB579578A - Improvements relating to installations for serving meals in canteens and analogous establishments : en
  • US2405263A - Bomb sight : en
  • GB579549A - Improvements in or relating to packing cases or boxes : en
  • GB579567A - Improvements in frequency controlling and stabilising means in radio-apparatus and the like : en
  • FR912374A - Pre-stressed reinforced concrete tubular beam and terracotta slabs for floors : en fr
  • GB579575A - Improved rust-proofing paint : en
  • US2405383A - Means fob aiming guns mounted : en
  • GB579493A - Improvements in or relating to stretchers : en
  • US2405391A - Bag waxing machine : en
  • FR912497A - Method and device for the preparation of a perforated electrode for an electric discharge tube and an electrode intended for or placed in such a tube : en fr
  • CA436267A - Diesel fuel treating method : en fr
  • US2405278A - Ferroalloy briquette and manufacture of same : en
  • US2405459A - Dispensing container for roll paper : en
  • US2405178A - Soldering machine : en
  • US2405430A - Apparatus for analyzing rotational unbalances : en
  • AU137477B2 - Improvements relating to electric smelting furnaces : en
  • CA436201A - Vehicle construction : en fr
  • FR912488A - Adjustment clichĂ© for stereoscopic projectors : en fr
  • FR912356A - Exhaust pipe for engine : en fr
  • USD145355S - Bracelet link or similar article : en
  • US2405306A - Electronic microanalyzer monitoring : en
  • CA436282A - Soldering apparatus : en fr
  • CA436230A - Ice tray : en fr
  • FR912312A - Spectrograph with cathode ray tube : en fr
  • GB579479A - Improvements in or relating to ferrous alloys : en
  • GB579605A - Improvements in or relating to the preservation of liquid eggs : en
  • GB579497A - Improved harrow tooth : en
  • AU131762B2 - Improvements in or relating to heat radiating apparatus : en
  • US2405261A - Electric light bulb : en
  • US2405225A - Submarine signal system : en
  • US2405530A - Conveyer construction : en
  • US2405534A - Bale loading and unloading wagon : en
  • GB579485A - Improvements relating to devices for use in sowing seed : en
  • CA436276A - Shoe sewing machine : en fr
  • FR912303A - Mechanical rear door for vehicle : en fr
  • FR912466A - Process for producing aromatic hydrocarbons with eight carbon atoms and in particular styrene and ethyl-benzene from light olefins : en fr
  • GB579502A - New heterocyclic compounds : en
  • FR912481A - New superpolyamide-based filament assemblies : en fr
  • FR912256A - Welder for thermoplastic sheets : en fr
  • GB579619A - An improvements in or relating to bed coverings : en
  • AU121835B2 - Improvements in or relating to methods of assembling a vaned element ofa fluid coupling andthe improved fluid coupling element : en
  • US2405327A - Message sheet : en
  • AU121903B2 - Improvements relating to machines for subdividing blocks of glue andother materials into small pieces : en
  • US2405455A - Permanent magnet : en
  • USD145352S - Design for a clock oe similar article : en
  • CA436220A - Metal body heat treating apparatus : en fr
  • FR912353A - Method and device for the extraction by centrifugation of gray flour, fibers and fruit water from starch : en fr
  • CA436256A - Frequency modulation detector : en fr
  • AU1064443A - Polymerised nitro-ethylene and process for its preparation : en
  • CA436165A - Apparatus for recovering substances in gases : en fr
  • US2405494A - Air treating apparatus : en
  • CA436255A - Television broadcast antenna : en fr
  • CA436236A - Bottle cleaning apparatus : en fr
  • US2405438A - Fire extinguishing composition and method of making same : en
  • AU1534144A - Improvements inthe treatment of white materials : en
  • AU554946A - Improvements relating to electric smelting furnaces : en
  • FR912310A - Detachable frame : en fr
  • GB579541A - Improvements in or relating to knives and like hafted implements : en
  • AU129105B2 - Pulse generating system : en
  • GB579596A - Improvements in and relating to wrenches : en
  • GB579612A - Improvements in or relating to fluid pressure gauges : en
  • GB579553A - Improvements in or relating to loading shovels or the like : en
  • FR912460A - Binder for paints, glues, plastics and agglomerates : en fr
  • US2405398A - Car truck : en
  • USD145368S - Design fob a sweater : en
  • CA436196A - Coated abrasive : en fr
  • CA436249A - Frequency modulated wave detector : en fr
  • US2405297A - Telegraphic printing apparatus : en
  • GB579616A - Improvements in and relating to light metal and light metal alloy pistons : en
  • GB579467A - Improvements in magnetic core structures : en
  • US2405445A - Operating metal retorts : en
  • US2405218A - Electrically operated stop motion for warping or beaming plants : en
  • FR912383A - Method and means for the protection of containers of flammable or explosive products against fire : en fr
  • FR912496A - Process for remelting polyamides : en fr
  • GB579469A - Method and mould for casting thin-walled flat articles : en
  • GB579480A - Improvements in or relating to breeches : en
  • US2405125A - Automatic fire extinguisher : en
  • US2405395A - Acetylene process : en
  • US2405414A - Recoilless gun mechanism : en
  • US2405116A - Building construction : en
  • USD145367S - Design for a compact : en
  • US2405199A - Fluid pressure gauge : en
  • US2405300A - Recovery of xylenes : en
  • FR912427A - Improvements to so-called diesel injection engines : en fr
  • GB579496A - Improved trailer : en
  • US2405502A - Hydraulic shock absorber : en
  • US2405309A - System of control for supercharged engines : en
  • US2405346A - Work holder for gauge lapping machines : en
  • US2405163A - Fuel injector : en
  • CA436169A - Piston ring : en fr
  • CA436277A - Chromium-nickel steel treating method : en fr
  • US2405303A - Apparatus for cracking nuts : en
  • AU1261944A - Means for reproducing motion : en
  • CA436195A - Refractory mould : en fr
  • US2405187A - Piezoelectric transducer : en
  • AU579046A - Improvements inthe manufacture of soap bars or tablets : en
  • FR912300A - Improvements to caps or closures for bottles, jars and the like : en fr
  • CA436214A - Refrigeration apparatus : en fr
  • US2405226A - Low frequency projector or hydrophone : en
  • US2405351A - Sinker head : en
  • US2405524A - Abrasive article and method of making : en
  • AU130992B2 - Improvements in or relating to insecticidal composition : en
  • AU1478044A - Improved means for conveying and retaining flexible articles during treatment : en
  • USD145347S - Liturgical fabhic or similar article : en
  • US2405280A - Signal correction circuit : en
  • GB579621A - Improvements in means for adjusting or regulating vehicle windshields and other angularly-movable panels : en
  • AU121860B2 - Improved retaining and closing means for doors andthe like : en
  • US2405282A - Variable ratio compressor : en
  • US2405437A - Impedance matching transformer : en
  • US2405482A - Chemical products and process of preparing same : en
  • DK64674C - Vacuum cleaner nozzle for removing fibers, hair, lint and similar impurities. : da en
  • FR912491A - Curtain rod and sliding hangers : en fr
  • US2405289A - Retaining wall : en
  • CA436226A - Dehydrating machine : en fr
  • AU54046A - Electron discharge devices : en
  • CA436208A - Starting control for electric discharge device : en fr
  • AU556346A - Improvements relating tothe removal of dissolved salts from seawater : en
  • AU120544B2 - Means for reproducing motion : en
  • CA436223A - Synchronizing signal generator : en fr
  • AU1468544A - Improvements inthe pulling over or lasting of shoes : en
  • AU548946A - Improvements in or relating to signal seeking receiver fora. M. andf. M. signals : en
  • AU1360244A - Improvements in or relating to water treating apparatus and methods : en
  • US2405265A - Blood pressure testing apparatus : en
  • AU133775B2 - The conversion of solid carbonaceous materials to gaseous fuels : en
  • US2405129A - Vacuum cleaning system : en
  • US2405403A - Carbon arc electrode holder : en
  • GB579552A - Improvements relating to anchor nut structures : en
  • CA436199A - Flexible hose coupling : en fr
  • US2405402A - Self-locking bolt or nut : en
  • CA436174A - Golf tee : en fr
  • US2405411A - Refrigerating apparatus : en
  • CA436193A - Wire armoured cable splice : en fr
  • AU131144B2 - Glidepath softener : en
  • US2405236A - Electrode sealing means : en
  • AU121866B2 - Improvements in safety covers for shearing machines : en
  • AU125602B2 - Unidirectional antenna system : en
  • US2405250A - Vehicle suspension control mechanism : en
  • CA436284A - Spindle : en fr
  • AU1282744A - Improvements in or relating to electric remote control and indication systems : en
  • CA436288A - Collar support : en fr
  • US2405417A - Apparatus for grinding the surfaces of small objects : en
  • US2405207A - Gun feed mechanism : en
  • AU1175143A - Improvements in or relating to intermediate explosive primers : en
  • US2405295A - Method of constructing piers : en
  • AU2527845A - Adhesive and laminated structure : en
  • CA436274A - Coupling seal : en fr
  • DK64676C - Rectangular plate for loose laying on attic floors above stables, barns and similar buildings. : da en
  • AU121840B2 - Improvements in electric switches : en
  • CA436285A - Anti-friction bearing : en fr
  • CA436294A - Luminescent substance applying method : en fr
  • AU142420B2 - Improvements in or relating to the preparation of substituted alpha aminopyridines : en
  • US2405396A - Electromagnet : en
  • FR912328A - Anti-interference device, particularly applicable to radio reception apparatus, television, phototelegraphy, telephony, wireless telegraphy, etc. : en fr
  • US2405117A - Bolster construction for rail car underframes : en
  • AU121820B2 - Improved case making apparatus : en
  • AU127246B2 - Adhesive and laminated structure : en
  • AU121836B2 - Improvements relating to electric furnaces : en
  • AU121825B2 - Improvements in or relating tothe manufacture of artificial threads : en
  • US2405499A - Container for frozen foods : en
  • GR10798B - WATER AUTOCHLORIZATION DEVICE. : el en
  • US2405217A - Impulse oscillator : en
  • US2405220A - Method and apparatus for applying molten metal on strip stock : en
  • US2405415A - Rocket projectile : en
  • CA436218A - Can body manufacture : en fr
  • US2405276A - Process for the treatment of water by suppressing the ions of alkaline earth metals : en
  • US2405347A - Conversion of di-beta-alkenyl ethers to alkadienes and alkali metal alkenylates : en
  • US2405405A - Picker mechanism and machines, especially knitting machines, incorporating such mechanism : en
  • CA436210A - Discharge lamp switch : en fr
  • CA436239A - Friction shock absorbing mechanism : en fr
  • GB579565A - Improvements relating to demodulating apparatus for pulse signalling systems : en
  • US2405451A - Process for producing low molecular weight lignin degradation products : en
  • AU131406B2 - Shaft seal with internal drive : en
  • US2405145A - Heating system : en
  • GB579563A - Improvements in and relating to grinding tool : en
  • GB579603A - Improvements in and relating to electric drum controllers : en
  • FR912305A - Baby carrier : en fr
  • US2405114A - Loading machine : en
  • FR912354A - Process improvements for the production of foam-generating substances : en fr
  • FR912343A - DC electric welding device : en fr
  • GB579520A - Improvements in and relating to protective arrangements for alternating current systems : en
  • FR912279A - Rivet and riveting mode : en fr
  • FR912307A - Machine tool workpiece table attachment device : en fr
  • FR912425A - Fluid compressors and its applications : en fr
  • GB579516A - Improvements relating to protective devices for attachment to boots or shoes : en
  • US2405399A - Tube beading and expanding tool and method : en
  • US2405542A - Fusion welding : en
  • AU461246A - Improvement in compensating circuit : en
  • CA436180A - Kitchen volumetric dispenser : en fr
  • US2405113A - Rhumb line calculator or distance and course computer : en
  • AU130687B2 - Cup wire brush : en
  • US2405143A - Heating system : en
  • US2405202A - Reglet : en
  • GB579518A - Improved process for producing insoluble sodium metaphosphate : en
  • GB579579A - Improvements in and relating to variable speed drives : en
  • US2405138A - Apparatus for breaking foam : en
  • CA436228A - Starch : en fr
  • US2405231A - Aircraft blind landing system : en
  • US2405227A - Geometrical instrument : en
  • US2405340A - Manufacture of tetryl : en
  • FR912386A - Improvements to folding knives : en fr
  • GB579511A - Improvements in or relating to jet-propulsion apparatus for aircraft : en
  • GB579514A - Improvements in portable stills : en
  • US2405424A - Fastening device : en
  • FR912258A - Platform for transport and delivery of motor vehicles : en fr
  • AU1569444A - Improvements in or relating to methods of assembling a vaned element ofa fluid coupling andthe improved fluid coupling element : en
  • GB579611A - Improvements in or relating to lathes : en
  • US2405363A - Checker for open-hearth regenerative furnaces : en
  • GB579571A - Improvements relating to filters : en
  • AU121851B2 - Application of prepared adhesive to webs : en
  • AU133639B2 - Looseleaf Books : en
  • US2405420A - Sheet attaching mechanism : en
  • FR912360A - Reversible flexible cuff : en fr
  • US2405345A - Manufacture of expanded thermoplastic resinous compositions : en
  • US2405506A - Cigarette light concealer : en
  • US2405510A - Electric welding apparatus : en
  • FR912453A - New topographic instrument and method for determining the coordinates of a point in the field and their various applications : en fr
  • GB579538A - Improvements in and relating to rotary pumps and motors : en
  • US2405247A - Gauge for spherical containers : en
  • AU134053B2 - Improvements relating to arrangements for determining distance and bearing by electromagnetic waves : en
  • US2405152A - Packing for cylindrical parts : en
  • US2405349A - Accumulator : en
  • US2405191A - Method of curing abrasive binders and abrasive articles produced thereby : en
  • GB579558A - Improvements in or relating to suction cleaners : en
  • DK64684C - Alarm device at Dørlaase. : da en
  • US2405427A - Heater : en
  • USD145360S - Design for a cosmetic cup : en
  • GB579519A - Production of new dyes of the anthraquinone series : en
  • US2405372A - Self-cleaning comb and case therefor : en
  • AU1393344A - Improvements in or relating to water heaters : en
  • CA436176A - Piston packing : en fr
  • GB579581A - Improvement in snap ring assembling tools : en
  • FR912385A - Protective device for vehicle tires : en fr
  • FR912390A - Decentering process, with cambering of the tie rods, applicable to vaults, roofs or arches in reinforced concrete and apparatus suitable for the application of the process : en fr
  • US2405359A - Elastic fluid engine : en
  • AU11246A - Electrically conductive rubber : en
  • US2405441A - Gun sighting device : en
  • FR912302A - Transparent caliber for draftsman : en fr
  • FR912422A - acoustic cabinetry for loudspeaker and radio : en fr
  • GB579463A - Improvements in or relating to still heads : en
  • GB579535A - Improvements in sliding-type fluid control valves : en
  • AU1271344A - Improvements in insulating sheets or strips : en
  • FR912337A - Multi-calculation rule : en fr
  • CA436216A - Slide valve assembly : en fr
  • FR912290A - Continuous action magnetic selector : en fr
  • GB579521A - Improvements in or relating to telephoto lenses : en