• US2421790A - Ultra high frequency ignition device : en
  • US2421802A - Self-adjusting stop means for the shoes of internal-expanding brakes : en
  • AU129527B2 - Improvements in beam deflection electron discharge devices : en
  • US2421998A - Electrical circuit controlling device : en
  • US2422105A - Cooling apparatus for heat-treated work using air jets : en
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  • AU506646A - Improvements in and relating to soaps and medicinal compositions : en
  • CA442009A - Postal franking machine : en fr
  • US2421974A - Swivel fitting : en
  • US2421773A - Heat exchange apparatus in refrigeration systems : en
  • US2422001A - Construction of load binders : en
  • US2422047A - Miniature railway unit : en
  • US2422064A - Ground speed indicator : en
  • US2421943A - Telephone traffic indicating apparatus : en
  • US2422116A - Protecting cap : en
  • AU139285B2 - Cinematograph sound film projecting and radio receiving unit : en
  • CH249121A - Process for the production of highly etherified aminotriazine-formaldehyde condensation products. : de en
  • US2421814A - Antikickback clutch : en
  • US2422072A - Radio compass : en
  • AU1211447A - Improved arrangement ior monitoring the frequency ofan alternating current : en
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  • AU1137247A - Improvements in automatic multiplying machines : en
  • US2421740A - Bag holder : en
  • US2421851A - Vehicle seat : en
  • US2421921A - Device for warming and reconditioning beer : en
  • GB589126A - Improvements in or relating to means for generating rectangular electrical impulses : en
  • CA442005A - Sheet metal elbow : en fr
  • CH249179A - Cutting tool holder with several cutting tool inserts. : de en
  • FR922636A - Measuring and setting tool : en fr
  • CH249282A - Procedure for the operation of a cable car with a revolving cable, for the transport of people, and the device for carrying out this procedure : de en
  • CA441990A - Shoe : en fr
  • CH249114A - Filter plate for filter presses. : de en
  • AU1616144A - Improvements in fire detecting thermostats : en
  • US2421982A - Electric circuit interrupter : en
  • US2422049A - Vulcanized fatty oil emulsions : en
  • GB589146A - Manufacture of azo-dyestuffs : en
  • US2421864A - Angle punch unit : en
  • IE17436L - Wringers : en
  • FR922590A - Improvements in transmission dynamometers : en fr
  • GB589076A - An improved plastic composition : en
  • CA442066A - Hydraulic motor : en fr
  • CH249189A - Process for the manufacture of elastic hollow objects using synthetic resins. : en it
  • AU139113B2 - Improvements in or relating to machines forthe treatment of sheets or webs according to the: thin-film or semidry method in photographic printing : en
  • CH249190A - Process for patching articles of plastic materials based on synthetic resins having holes or tears and in particular sheets, based on polyvinyl chloride and its copolymers. : en it
  • US2422088A - Electronic discriminator : en
  • USD146918S - Safety razor casing or similar article : en
  • US2422029A - Bicyclic compound containing a diphenylamine nucleus : en
  • US2422044A - Tractor mower : en
  • GB589218A - Improvements in inks : en
  • US2421780A - Socket structure : en
  • US2421945A - Connection for well equipment : en
  • US2421986A - Alarm clock and switch : en
  • US2422156A - Vulcanization of rubberlike butadiene-1,3 polymerizates with phenol sulfides : en
  • US2421946A - Polymerization of olefinic hydrocarbons : en
  • GB589055A - Improvements in spray devices : en
  • GB589155A - Improvements in and relating to hydraulic check floor springs : en
  • AU404646A - Improved childs seesaw : en
  • CH249188A - Woodworking machine equipment. : de en
  • GB589107A - Improvement in pocket boxes for cigarettes or other articles : en
  • GB589066A - Improvements in or relating to reinforcements for reinforced concrete : en
  • FR922630A - Glass working machine : en fr
  • FR922617A - Method and apparatus for vaporizing liquids such as mineral or vegetable oils : en fr
  • USD146923S - Design for a hose supporter : en
  • GB589075A - Improvements in or relating to booster-operated hydraulic braking systems : en
  • FR922551A - Process for the preparation of alloys based on magnesium and containing zirconium : en fr
  • FR922485A - Folding seats : en fr
  • FR922429A - Process for the polymerization of polyfluoroethylenes and resulting products : en fr
  • US2421848A - Clothing : en
  • US2421893A - Rocket firing control mechanism : en
  • CH249243A - Gas or vapor-filled electric discharge tube. : de en
  • GB589129A - Improved arrangement for the operation of triggered spark gaps : en
  • GB589142A - Sound-producing toys : en
  • FR922608A - Mineral reduction : en fr
  • FR922621A - Cone gun for chucks, bits, etc. : en fr
  • US2421990A - Metal hook : en
  • CH249255A - Liquid container. : de en
  • US2421917A - Parking meter box display : en
  • US2421757A - Electromagnetic friction device : en
  • AU124412B2 - Improvements relating to electron discharge tubes and their circuits : en
  • US2422104A - Hydraulic power press control : en
  • US2422050A - Method of making 2-amino-5-substituted 1,3,4-thiadiazole : en
  • GB589094A - Improvements in or relating to resilient driving gear for four-stroke internal combustion engines : en
  • FR922631A - Improvements in the operation of heat-sensitive elements with a view to their use in combination with valves or the like : en fr
  • GB589092A - Control mechanism for concrete mixers : en
  • AU1137847A - Improvements in load counterbalancing mechanisms : en
  • AU1213147A - Luminescent screens embodying dichroic reflectors and apparatus including such screens : en
  • US2421969A - Plug valve : en
  • GB589047A - Improvements in or relating to gate valves : en
  • FR922547A - Realization of lighting of modifiable color according to the user using luminescent tubes : en fr
  • GB589014A - Improvements in or relating to tube belling machinery : en
  • USD146892S - Design for a tot cat or the like : en
  • US2421775A - Method and apparatus for magnetic testing : en
  • FR922431A - Machine for assembling or welding dielectric materials : en fr
  • US2421806A - Cleaning method and material therefor : en
  • CA442086A - Electron microscope focusing method : en fr
  • US2422090A - Powder container : en
  • USD146917S - Safety razor or similar article : en
  • USD146933S - Design fob a screen or the like : en
  • FR922642A - Metal clip for belts : en fr
  • AU137813B2 - A wheel witha self laying track : en
  • AU1137347A - Improvements in automatic multiplying machines with automatic multiplication : en
  • US2422154A - Apparatus for severing knitted structures : en
  • AU2001345A - Improvements in automatic firearms : en
  • CA442130A - Organic compound manufacture : en fr
  • GB589193A - Improvements in and relating to discharge printing on dyed textile materials consisting of or containing animal fibres : en
  • GB589200A - Improvements in or relating to overall chains for road vehicle wheels : en
  • GB589106A - Device for braking and adjusting the tension of the threads of winding-off bobbins of a heck : en
  • GB589020A - Improvements in or relating to printing by means of dyestuff carriers insoluble in water : en
  • AU1789144A - Improvements in impedance matching transformers : en
  • US2421785A - Electric altimeter : en
  • CA441969A - Calender stack threading device : en fr
  • CA441975A - Mechanical razor : en fr
  • US2422110A - Omnidirectional radio range : en
  • GB589176A - Improvements in pressure gauges : en
  • GB589196A - Improvements in or relating to hair dryers : en
  • US2421936A - Production of octenes : en
  • CA442129A - Composite material : en fr
  • CA442123A - Expanding tool : en fr
  • US2422167A - Integrating weighing scale : en
  • AU2095945A - Improved push-board orthe like amusement device : en
  • AU1161043A - Improvements relating to fluid pressure braking apparatus : en
  • CH249133A - Register, especially for telephone subscribers. : de en
  • CA442076A - Heating element : en fr
  • AU124401B2 - An improved golfclub : en
  • CH249273A - Tractor with trailers for driving long timber. : de en
  • US2421897A - Dissolving cellulosic esters : en
  • AU124428B2 - Improvements in fire detecting thermostats : en
  • CA442091A - Relay control circuit : en fr
  • AU498346A - Improvements in adjustable seats : en
  • GB588989A - Improvements in or relating to planographic printing plates and their manufacture : en
  • CA442065A - Thermionic valve : en fr
  • CA442051A - Photographic silver halide emulsion sensitizing method : en fr
  • CH249220A - Continuously working press. : de en
  • FR922515A - Improvements to the zinc manufacturing process : en fr
  • GB589134A - Mechanical mixer : en
  • US2421952A - Purification of copals : en
  • US2422122A - Radio direction finding : en
  • US2421966A - Combination shirt and coat : en
  • GB589008A - Improvements in or relating to control valves for the outlets of high pressure lubricating systems : en
  • CA441998A - Rat trap : en fr
  • US2422021A - Manufacture of thread or the like : en
  • US2422100A - Position determining system : en
  • FR922616A - Cleaning product : en fr
  • US2421940A - Power-driven soot blower : en
  • GB589164A - Improvements in or relating to vehicles : en
  • GB588973A - Improvements in a cyclical control system for direct current motors operating doubleskip hoists : en
  • CA442110A - Pressure adjusting device : en fr
  • FR922528A - Improvement in voice frequency signaling processes : en fr
  • AU1211147A - Pressure responsive devices : en
  • FR922409A - Improvements to rotary fluid pressure motors, pumps and similar machines : en fr
  • FR922486A - Skill game : en fr
  • GB589204A - Improvements in ironing machines : en
  • US2421807A - Explosive-release mechanism : en
  • US2422112A - Milling machine : en
  • GB588998A - Improvements in operating roll doctors : en
  • GB589182A - Improvements relating to pneumatically actuated electric switches : en
  • IE17915L - Acoustic instruments : en
  • FR922578A - Wedge mold tops : en fr
  • GB589163A - Improvements in conveying apparatus : en
  • FR922481A - Method and device for filling and packaging accumulator batteries or hollow bodies in general : en fr
  • GB589149A - Improvements in or relating to the manufacture of electrical insulating oils : en
  • GB589057A - Manufacture of nitro-dyestuffs : en
  • GB589116A - Improvements relating to heat interchange apparatus : en
  • US2421792A - Detachable boot and shoe heel : en
  • GB589093A - Wave-signal translating system : en
  • US2422074A - Radio pulse transmission system : en
  • FR922594A - Improvements in the production of water heating devices : en fr
  • GB589111A - Improvements connected with applicators for the insertion of tampons : en
  • US2422026A - Radio direction finding : en
  • FR922538A - Improvements to the construction of huts : en fr
  • GB589124A - Process for producing mixtures of difficultly liquefiable gases under pressure : en
  • GB589121A - Improvements in illuminating device for sewing machines : en
  • FR922537A - Emulsion polymerization process, resulting emulsions and their applications : en fr
  • US2422173A - Transmission : en
  • CH249115A - Process for the preparation of a new oxyhydrophenanthrene carboxylic acid derivative. : de en
  • CA442125A - Variable speed gear : en fr
  • GB589136A - Improvements in or relating to directive radio systems : en
  • GB589128A - Improvements relating to the production of recurrent voltage impulses of large power : en
  • FR922456A - Method and device for the application to a surface of plasters of all kinds and in particular of plaster plasters : en fr
  • GB589033A - Improvements relating to steering wheels and the like : en
  • FR922586A - Improvements to combustion devices : en fr
  • US2421850A - Carrier for merchandise : en
  • US2421867A - Tractor : en
  • GB589004A - Improvements in or relating to the propelling mechanism of invalid carriages and thelike : en
  • GB589098A - Apparatus for adapting a miniature photographic camera to copying work : en
  • FR922529A - Method for raising the concentration of heavy water : en fr
  • FR922530A - Gas heater : en fr
  • US2421852A - Thermosetting composition containing vinyl chloride-vinylidene chloride copolymer : en
  • FR922539A - Electric contact walker : en fr
  • FR922598A - Improvements in the preparation processes of magnesium and zirconium alloys : en fr
  • GB589197A - Production of vinyl fluoroacetates and of polymers thereof : en
  • US2422126A - Tufting device : en
  • US2422161A - Shoulder pad : en
  • CH249186A - Hacksaw. : de en
  • FR922483A - Device for producing modulated electrical oscillations : en fr
  • GB588987A - Improvements in or relating to fluid-tight bolted joints : en
  • US2421767A - Electrode structure : en
  • AU124388B2 - Improvements in or relating to mixer valve units : en
  • AU131726B2 - Improvements in fishing reels : en
  • CA442040A - Valve structure : en fr
  • US2421787A - Electrostatic coating method : en
  • US2421888A - Diffuser for centrifugal blowers : en
  • GB588970A - A fluid pressure system for actuating brakes : en
  • GB589138A - Improvements in releasing means for steam irons : en
  • GB589175A - Improvements in or relating to compressed laminated wood : en
  • GB588976A - An improved composite fabric and the manufacture thereof : en
  • FR922615A - Improvements in processes and apparatus for molding diamond tools : en fr
  • FR922452A - Apparatus for clarifying liquids : en fr
  • AU1126447A - A wheel witha self laying track : en
  • CA442104A - Submarine signalling apparatus : en fr
  • CH249153A - Multipurpose toy. : en fr
  • CH249197A - Machine vise. : de en
  • GB589156A - Improvements in or relating to open hearth domestic fireplaces : en
  • USD146910S - Design fob a coat : en
  • FR922623A - Process for the preparation of ethers-salts of diols and triols of the series of cyclopentano-polyhydro-phenanthrenes : en fr
  • AU124414B2 - Improved method and means of injecting fuel or other liquids into internal combustion engines : en
  • CH249083A - Acetylene generator. : de en
  • GB589090A - Improvements in or relating to furnaces : en
  • FR922454A - Antenna system : en fr
  • CA442082A - High frequency radio tube : en fr
  • US2421914A - Nose wheel : en
  • CH249065A - Shears. : en fr
  • CH249120A - Process for the production of finely divided cellulose from products containing cellulose. : de en
  • CH249182A - Feed drive on lathes. : de en
  • GB589161A - Improvements in means for attaching metal skins of aircraft components to their supporting structures : en
  • AU1193747A - Selector system : en
  • CA442008A - Airplane : en fr
  • CH249142A - Device with writing pad for storing paper strips provided with notes. : de en
  • AU124394B2 - Improvements in automatic firearms : en
  • AU139906B2 - Improvements inthe manufacture of target boards for games or sports and target boards so produced : en
  • CA442114A - Remote control system : en fr
  • CH249125A - Process for the production of gas soot from methane or gases containing methane. : de en
  • CH249225A - Internal combustion engine lubrication device, in particular an aircraft engine with an inertia starter. : en it
  • GB589190A - Improved tool for extracting timber piles or the like : en
  • GB588992A - Improvements in creaming of synthetic rubber latices : en
  • AU137069B2 - Clamps : en
  • US2421988A - Directive antenna : en
  • GB589054A - Improvements in or relating to the contacting of divided solids with gaseous fluids : en
  • US2422086A - Pulse producing apparatus : en
  • GB589006A - Improvements in or relating to devices for summing numbers algebraically : en
  • FR922494A - Preparation of aviation gasoline from normally gaseous hydrocarbons : en fr
  • CA15471S - Dress vest or waistcoat : en
  • CH249221A - Bundling press, in particular for bundling newspapers. : de en
  • AU134453B2 - Distance indicating systems : en
  • AU1649344A - Luminescent material : en
  • US2421922A - Turning and folding meat roast rack : en
  • CA442120A - Web tensioning apparatus : en fr
  • CA441988A - Trailer : en fr
  • US2421965A - Navigational computing means : en
  • US2422099A - Apparatus for the production of comminuted particles : en
  • CH249064A - Pounding apparatus. : de en
  • US2421833A - Turbine construction : en
  • AU1203447A - Improvements in or relating to machines forthe treatment of sheets or webs according to the: thin-film or semidry method in photographic printing : en
  • US2421971A - Hydrolyzed vinyl ester interpolymers : en
  • FR922434A - Hair drying process : en fr
  • GB589206A - Improvements in and relating to dampers : en
  • US2421755A - Wheel cover : en
  • CA442003A - Alloy : en fr
  • CH249276A - Truck with crane and scaffolding floor adjustable in height. : de en
  • FR922468A - Glass solution and glass coatings : en fr
  • GB589181A - Improvements in or relating to kerf cleaners or gummers for use with coal cutting machines : en
  • CA442057A - Support device : en fr
  • US2421746A - Masking attachment for photographic cameras : en
  • US2421977A - Apparatus for handling dust : en
  • US2422075A - Stabilized lubricating emulsions : en
  • CA442034A - Navigation aiding radio beacon system : en fr
  • US2422108A - Radio direction finding : en
  • AU1125647A - A method of reducing the temperature or maintaining low temperature in successive batches of liquid ina vat or like container and facilitating cleansing ofthe latter between successive batches : en
  • CH249251A - Riveting tools, in particular for dentists. : de en
  • AU675946A - Improved process for cleaning and drying loya cane : en
  • CA442093A - Pulse transmission system : en fr
  • US2421975A - Manufacture of fluorescent tubing : en
  • AU124411B2 - Improved abdominal protector for cricketers, baseball players and others : en
  • CA442067A - Hydraulic plant : en fr
  • AU1212847A - Improvements relating to television transmission tubes ofthe kind which are adapted to operate with cathode potential stabilisation : en
  • AU131027B2 - Improvements in water systems applicable for irrigation and various other purposes : en
  • FR922611A - System of exchangeable soles based on synthetic resins and applicable without seams or studs : en fr
  • US2422124A - Flexibly mounted thermocouple for measuring surface temperature : en
  • USD146897S - Design for a lamp fixture : en
  • CA442096A - Radio receiver loop input system : en fr
  • CA442103A - Submarine signalling apparatus : en fr
  • CH249128A - Process for coloring aluminum powder. : de en
  • CA442077A - Journal box : en fr
  • CH249098A - Plant for drying webs, such as B. of fabric or paper webs. : de en
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  • US2422079A - Frequency modulated altimeter or distance indicator : en
  • US2422008A - Airspaced photographic support : en
  • US2422010A - Roof : en
  • GB588975A - Improvements in or relating to the manufacture of milk bread : en
  • CA442015A - Ironing or drying machine electronic control : en fr
  • CA442045A - Pulsation elimination in gas line : en fr
  • US2421993A - Shoe for piles : en
  • FR922402A - Improvements to materials for metal covers and coatings : en fr
  • GB589188A - Improvements in and relating to window regulator mechanism : en
  • CH249138A - Date stamp. : de en
  • CH249151A - Set of constructions. : en fr
  • CA442088A - Mechanically tuned loop antenna : en fr
  • CH249093A - Upholstery suspension. : de en
  • US2421997A - Core barrel : en
  • GB589108A - Improvements in the frequency adjustment of piezo-electric elements : en
  • CA442054A - Photography silver halide emulsion stabilization : en fr
  • CA441985A - Load transference unit : en fr
  • CA442004A - Pile fabric manufacture : en fr
  • AU1208647A - Improvements inthe manufacture of target boards for games or sports and target boards so produced : en
  • CH249208A - Device for controlling the cover of a pyrophoric lighter. : en fr
  • FR922543A - Sidewalk edging with interior gutter : en fr
  • FR922600A - Catalytic lighter for smokers and similar applications : en fr
  • AU168147B2 - Improvements relating to television transmission tubes ofthe kind which are adapted to operate with cathode potential stabilisation : en
  • FR922478A - New outdoor toy : en fr
  • CH249195A - Shaving head for dry razors. : de en
  • US2422169A - Production of aromatic compounds : en
  • CH249112A - Process for cleaning liquids. : de en
  • US2422092A - Traction shoe : en
  • US2421938A - Materials sampler : en
  • GB588972A - Manufacture of new water-soluble derivatives of cyclic amidines : en
  • CA442042A - Safety operating handle for car door mechanism : en fr
  • GB589220A - Improvements relating to printing plates and matrices : en
  • CH249107A - Shoe lasts. : de en
  • FR922465A - Improvements made and relating to small filters : en fr
  • FR922472A - Improved process for the production of porous slags or other similar melts : en fr
  • US2422096A - Direction finding system : en
  • FR922541A - Stapled sole : en fr
  • GB589037A - Improvements relating to electric lighting systems : en
  • US2421769A - Method of expanding hollow fasteners : en
  • FR922647A - Electrical insulators : en fr
  • GB589069A - Improvements in or relating to barrels of firearms : en
  • GB589224A - Movable eyes for dolls and the like : en
  • GB589210A - Process for the manufacture of thiophane derivatives : en
  • US2421939A - Leak reducer for joints between relatively rotatable conduits : en
  • GB589207A - Improvements in or relating to laundry washing machines : en
  • US2422056A - Closure actuating and securing mechanism : en
  • US2422097A - Electric switch : en
  • US2422144A - Wheel abutment for jacks : en
  • USD146929S - Design for a shoe : en
  • US2422065A - Device for stretching flexible members : en
  • FR922461A - Xylophones : en fr
  • US2421765A - Portable multiple compartment liquid dispensing system : en
  • US2421882A - Angle calculator for structural members : en
  • US2422171A - Methods of producing aryl compounds : en
  • US2421934A - Combination head and neck covering : en
  • USD146898S - Handle for screwdrivers and the like : en
  • FR922581A - Method of constructing houses and similar buildings : en fr
  • GB589165A - An improvement in or relating to textile milling machines : en
  • AU1209447A - Communication system : en
  • AU1574844A - Improvements instep ladders, trestles andthe like : en
  • GB588981A - Improvements in or relating to chain and sprocket gearing : en
  • GB589202A - Improved glass composition : en
  • US2422121A - Fluid pressure operated brake and adjustment therefor : en
  • GB588968A - Improvements in and relating to the polymerization of dextrose and maltose : en
  • FR922589A - Portable showers for individuals and communities : en fr
  • GB589198A - Improvements in or relating to the cylinders of vacuum brake apparatus for railway vehicles : en
  • FR922420A - Process for the manufacture of one-piece underarms using synthetic resins such as polyvinyl resins : en fr
  • US2422102A - Coffee roasting apparatus : en
  • GB589067A - Improvements in laundry washing machines : en
  • GB589084A - Improvements in means for connecting two or more separate mechanical units to each other, or one or more such units to a relatively fixed unit : en
  • USD146920S - Design for a lighter or similar article : en
  • CA442080A - Radio transmitter : en fr
  • CA442098A - Filamentary cathode suspension : en fr
  • IE17435L - Clamps for wringers, etc. : en
  • FR922419A - Process improving the carburation of internal combustion and combustion engines : en fr
  • GB588980A - Adapter unit for electric wiring systems : en
  • FR922553A - Electromagnetic control for contacts opening and closing in rhythm, in particular for contact switches : en fr
  • FR922559A - Refrigeration method and apparatus : en fr
  • FR922428A - Machine for assembling sheet materials : en fr
  • FR922469A - Process and apparatus for solidifying and comminuting coal tar pitch, petroleum and all products of similar consistency : en fr
  • FR922405A - Improvements to pressure sensitive adhesive tapes and their manufacturing process : en fr
  • FR922572A - Machine tool : en fr
  • GB589027A - Improvements in coin operated machines : en
  • GB589030A - Improvements in or relating to gas diffusers : en
  • GB589159A - Improvements relating to electrical communication systems : en
  • GB588993A - Improved rose for watering cans : en
  • FR922546A - Luminous tube luminaires : en fr
  • GB589088A - Improvements in stop motions for yarn-winding and like textile machines : en
  • GB588995A - Improvements relating to reciprocatory pumps and the like : en
  • US2422051A - Holder for articles : en
  • USD146925S - Necklace or similar article : en
  • US2421756A - Vehicle wheel cover : en
  • US2421818A - Sandal vamp : en
  • FR922462A - Mechanical presses or similar machines, in particular with clutch by oscillating key : en fr
  • GB589147A - Improvements in or relating to machines for dyeing, bleaching, mordanting, soaping, impregnating, oxidising, souring and washing : en
  • US2422028A - Cavity resonator magnetron : en
  • FR922513A - Hand-held device for digging grease grooves in bores : en fr
  • CA441997A - Comparator gauge : en fr
  • US2421907A - Well pressure gauge : en
  • US2422103A - Duplex calculating machine : en
  • USD146931S - Turton vehicle : en
  • CH249283A - Axle bearings for rail vehicles. : de en
  • CH249100A - Stand for iron. : de en
  • FR922624A - Improvements to protective eyewear : en fr
  • US2421964A - Device for enveloping and sealing flat articles, for example letters : en
  • US2421770A - Acetal compounds : en
  • US2421801A - Apparatus for fusing the coating on tablets : en
  • USD146907S - Design for a radio cabinet or the like : en
  • US2421995A - Electric control circuit : en
  • AU1125247A - Improvements relating to heat-resisting alloys and to articles made from them : en
  • CH249166A - Stopwatch. : de en
  • GR11189B - UTENSILS (SUITCASE) FOR BLOOD FOR CHEMICAL AND MICROSCOPIC EXAMINATION OF THE BODY OR AUTOMATIC THERAPY. : el en
  • GB589152A - Improvements in or relating to new antimalarials and process of producing the same : en
  • FR922555A - Improvements to meat grinders : en fr
  • GB589002A - Improvements in or relating to implements for trimming the edges of lawns or the like or cutting or slicing turf : en
  • FR922424A - Improvements to frames for light tubes : en fr
  • GB588979A - Application of rectifiers to the improvement of dynamo electric generating machines : en
  • US2421925A - Slip-friction coupling : en
  • US2422076A - Antenna system : en
  • GB589105A - Improvements in or relating to reed-supporting means for looms : en
  • GB589089A - Hair slides, ornaments and the like : en
  • US2421887A - Method of making recoil preventing nozzles : en
  • US2422061A - Spindle structure : en
  • US2422153A - Rubber bonded abrasives : en
  • GB589042A - Improvements in and relating to cardboard boxes, cases, and the like : en
  • US2421919A - Telephone routing system : en
  • CA442035A - Piezo-electric crystal-controlled oscillation generator : en fr
  • CH249136A - Quick folder for stapling and replacing perforated sheets. : de en
  • AU138665B2 - Improvements in or relating to dielectric and insulating sheet materials and electric devices containing such materials : en
  • CA442058A - Supporting means : en fr
  • CH249286A - Plane. : en fr
  • CA441974A - Collapsible wardrobe : en fr
  • CH249139A - Device for framing slides. : en fr
  • AU143075B2 - Improved means for observing and taking average readings in sextants andother instruments : en
  • US2421871A - Leg structure for mounting aircraft landing elements : en
  • US2422040A - Magnetic drive : en
  • AU1125747A - An improved spinning machine : en
  • CA442115A - Remote control system selective receiver : en fr
  • US2422129A - Measurement of oxygen in gas mixtures : en
  • CH249239A - Device for tapping isolated power lines. : de en
  • CH249187A - Hacksaw. : de en
  • AU124419B2 - Improvements instep ladders, trestles andthe like : en
  • CA442059A - Transmission : en fr
  • US2421970A - Earth boring machine : en
  • US2421836A - Keto-sulfones : en
  • US2421847A - Hydraulic closure for autoclaves : en
  • CA442055A - Photographic silver halide emulsion stabilization : en fr
  • CH249240A - Control device for an arc discharge vessel provided with an ignition electrode. : de en
  • AU1207347A - Improvements in or relating to electric circuit arrangements employed in thermionic valve amplifiers : en
  • US2422093A - Slide fastener : en
  • AU620642A - Improvements relating to electron discharge tubes and their circuits : en
  • CH249265A - Electric alarm device. : de en
  • CA442002A - Garment protector : en fr
  • GB589035A - Improvements relating to quickly releasable clamping means for the lids or closures of degreasing tanks and other large containers : en
  • US2421944A - Synchronized control gear : en
  • US2422017A - Method for finishing plastic compositions : en
  • US2422115A - Object marker : en
  • CH249266A - Signal stand. : de en
  • US2422117A - Unitary control for plural electric motors : en
  • FR922415A - Apparatus for sampling, during the continuous manufacture of a fluid product, small fractions of said product intended for testing : en fr
  • US2422042A - Gauging and bending tool for rotor blades : en
  • US2422043A - Compound detonator : en
  • CH249291A - Angle measuring device. : de en
  • CA15478S - Finger ring : en
  • FR922497A - Lens pass : en fr
  • GB588997A - Method of coupling instrument shafts : en
  • GB589072A - An improved process for the production of ethyl benzene : en
  • US2421800A - Dual carburetor : en
  • US2422141A - Filament structure for electrical discharge devices : en
  • CH249086A - Plunger. : de en
  • AU137274B2 - Process for purifying streptomycin : en
  • CH249233A - Rapid freezing system. : de en
  • CH249077A - Mortar. : de en
  • CH249146A - Music piece roll. : en fr
  • AU137275B2 - Process for purifying streptomycin : en
  • AU137218B2 - Improvements in or relating to process of producing diphenylacetonitriles andthe product resulting therefrom : en
  • FR922597A - Notebook or the like usable in combination with a book and containing information relating to the latter : en fr
  • US2421797A - Pressure switch : en
  • USD146908S - Design for a cigarette lighter : en
  • FR922430A - New tetrahydrothiophene derivatives and their preparation process : en fr
  • IE17883L - Acoustic instruments : en
  • FR922427A - Improvements to bill holders, wallets and the like : en fr
  • CH249075A - Snow blower. : de en
  • GB589079A - Impregnated oil filters : en
  • GB589195A - Improvements in or relating to loudspeakers : en
  • GB589135A - Improvements in cathode ray tubes : en
  • US2421782A - Dispenser for tableware : en
  • CH249288A - Process for the production of a copper-containing azo dye. : de en
  • CH249196A - Mechanical razor for dry shaving. : en fr
  • AU140173B2 - An improved ant proof shelf bracket and cupboard support : en
  • FR922535A - Improvements to devices for games : en fr
  • FR922444A - Gear switch : en fr
  • FR922626A - Device for centering and grinding the edge of optical lenses or other similar objects : en fr
  • GB589017A - Improvements in change over switches for radio receiving and like apparatus : en
  • US2421958A - Night light : en
  • USD146921S - Design for a knife sharpener : en
  • FR922505A - Improving the efficiency of heat engines : en fr
  • CH249143A - Drawing machine. : de en
  • US2422081A - Process of producing nitric oxide : en
  • CH249073A - Torrent control. : de en
  • CH249203A - Clasp for watch strap. : en fr
  • FR922641A - Crank with tilting handle for blind control : en fr
  • US2421808A - Lining for sinks or the like : en
  • USD146896S - Design fob a jewelry pin ob similar article : en
  • CA442075A - Air actuated clutch : en fr
  • GB589041A - Improvements in or relating to drawbars for tractors : en
  • GB589026A - Improvements in electrolytic cells for the production of magnesium and chlorine frommagnesium chloride fusions : en
  • US2421744A - Gas reaction furnace : en
  • AU1209347A - Frequency and phase control system : en
  • CH249174A - Method and device for producing squeeze tubes. : de en
  • GB589170A - Improvements in and relating to switching arrangements for electric heating systems : en
  • AU1461244A - Toxic composition : en
  • FR922411A - Piezoelectric pick-up : en fr
  • FR922605A - Shell attachment for shells : en fr
  • FR922471A - Cremone refinements : en fr
  • FR922601A - Phosphating treatment of steel sheets, in particular silicon steel : en fr
  • FR922585A - Improvements to compressors and machines including compressors : en fr
  • USD146916S - Design for a safety razor casing or similar article : en
  • US2422018A - Camera shutter : en
  • AU128666B2 - Improvements in or relating to electronic oscillation generators : en
  • CH249236A - Accumulator plate for lead accumulators. : de en
  • CA442095A - Supervisory signal system : en fr
  • US2421795A - Armature brush : en
  • GB589007A - Improvements in stretching filaments made of organic derivatives of cellulose : en
  • GB589070A - Alkylation of phenols : en
  • FR922417A - Improvements to centrifugal pumps : en fr
  • AU136368B2 - Improvements inthe manufacturing of target boards for games or sports and target boards so produced : en
  • AU523246A - Improvements In electrical oscillation generators : en
  • CA442023A - Reaction product of aldehydes and triazine derivatives : en fr
  • CH249261A - Electrical system with telephone subscriber set and device for recording and reproducing calls. : de en
  • CH249099A - Spin dryers, in particular for laundry. : de en
  • CA441973A - Collapsible wardrobe : en fr
  • GB589086A - Improvements relating to ignition systems for internal combustion engines : en
  • GB589217A - Improvements relating to centrifugal pumps : en
  • IE17534L - Improvements relating to greenhouses, potting houses and¹similar structures : en
  • AU124391B2 - Improvements in or relating to plate whirlers for preparing photoengraving plates : en
  • GB589063A - An improved mathematical data indicator : en
  • AU1189947A - Process for purifying streptomycin : en
  • CA442017A - Cop-tube or hollow core for textile materials : en fr
  • US2422139A - Hydraulic remote control system : en
  • CA442100A - Hydrocarbon treating apparatus : en fr
  • CH249176A - Multipurpose machine tool. : de en
  • AU140768B2 - Improvements in rotary tilling and reaping machines : en
  • CH249063A - Potato digger detachably connected to a drive machine. : de en
  • CH249199A - Motor-driven hammer. : de en
  • CA442084A - Diversity receiving system : en fr
  • AU1126747A - Improvements in and relating to wringers : en
  • US2422033A - Orthopseudo stereo range finder : en
  • AU1126147A - A combination clothes drier and childs playpen : en
  • AU1137147A - Collecting container for refuse orthe like : en
  • AU1210547A - Cinematograph sound film projecting and radio receiving unit : en
  • USPP738P - Rose plant : en
  • CH249170A - Process for handling the use in electrical, operational melting furnaces. : de en
  • CA442022A - Composition containing substituted alkyl halides : en fr
  • USD146914S - Design for a combination shoe polishing kit : en
  • CH249248A - Safety gas burner. : de en
  • CH249140A - Fountain pen combined with a lead pen. : de en
  • US2421849A - Abrasive blasting : en
  • AU2070745A - Anew or improved gauging or marking-out instrument : en
  • CA442001A - Fly wheel : en fr
  • CH249249A - System for conveying combustible gas through a compressor. : de en
  • CA441982A - Refrigerating apparatus : en fr
  • CH249264A - Radio receiver. : de en
  • CA442073A - Breathing apparatus : en fr
  • CH249205A - Finger ring. : de en
  • AU1728144A - Improvements relating tothe paper controllers of automatic printing presses : en
  • AU1127947A - Improvements in and relating toa dustbin : en
  • US2422003A - Wood battery separator and process for producing same : en
  • CH249224A - Power machine system with double-shaft opposed piston engine. : de en
  • FR922571A - Sound instrument such as drum : en fr
  • CH249238A - Method of insulating electrical conductors. : de en
  • AU137567B2 - An improved spinning machine : en
  • US2421860A - Squirrel-cage rotor for induction machines : en
  • US2421895A - Shoulder pad : en
  • AU124389B2 - Broadband antennas : en
  • US2421771A - Approach protective system : en
  • FR922591A - Hook, especially for watch strap : en fr
  • US2421776A - Filter device : en
  • US2422073A - Radio direction finder : en
  • FR922509A - Installation of gear train steam turbines for ship control : en fr
  • US2421876A - Copolymer of styrene and a polyester of endomethylene tetrahydrophthalic acid and a glycol : en
  • GB589184A - A filter for a beverage brewer : en
  • GB589065A - Improvements in or relating to the manufacture of unsaturated polymerisation products : en
  • FR922414A - Gasifier gas production : en fr
  • US2421931A - Automatic starting arrangement for synchronous motors : en
  • US2422101A - Terrestrial globe : en
  • GB589013A - Improvements in and relating to pyrophoric lighters : en
  • GB589087A - Improvements in or relating to the cementation of metals and alloys : en
  • CA442090A - Multi-band receiver with band spread : en fr
  • AU124420B2 - Improvements in optical systems : en
  • CA442033A - Selectivity device for tuned circuits : en fr
  • CH249150A - Game device. : en fr
  • FR922466A - Suitcase baby carriage : en fr
  • GB589213A - Improvements in and relating to electric plug and socket connections : en
  • AU139917B2 - Improved arrangement ior monitoring the frequency ofan alternating current : en
  • AU423846A - Trough mounting and driving unit for clothes wringers : en
  • CH249247A - Electric lamp. : de en
  • FR922413A - File, files and guides for classification : en fr
  • US2421881A - Wall switch : en
  • US2421926A - Jewel carrying tool and method of making the same : en
  • GB589062A - Improvements in or relating to smokers' ash receptacles : en
  • FR922453A - Parachute harness refinements : en fr
  • FR922516A - Zinc manufacturing process : en fr
  • US2421803A - Scum overflow for clotheswashing machines : en
  • US2422131A - Combined air heater for hot-air turbine and blast furnace : en
  • FR922523A - Improvements to notch printing machines : en fr
  • FR922588A - Combustible media used to emit non-stop, unattended, for hours or whole days, mosquito fumes or any other fumes : en fr
  • GB589123A - Improvements in or relating to the moulding of concrete blocks : en
  • FR922432A - Device for cutting profiled filaments : en fr
  • FR922503A - Speed change for cycles : en fr
  • FR922579A - Advanced filter : en fr
  • AU124417B2 - Improvements relating to fluid pressure braking apparatus : en
  • AU134904B2 - Improvements relating to heat-resisting alloys and to articles made from them : en
  • FR922519A - Recovery of sulfuric acid : en fr
  • FR922522A - Improvements to page registration devices : en fr
  • FR922517A - One-touch fitting : en fr
  • GB589212A - Improvements in or relating to calculating apparatus : en
  • FR922582A - Improvements to devices used to determine angles, applicable to mechanical parts : en fr
  • GB589113A - Improvements in or relating to instrument panels : en
  • GB589053A - Improvements in circular knitting machines with wrap thread mechanism : en
  • FR922438A - Improvements to ship propulsion : en fr
  • FR922570A - Pneumatic measuring method and device : en fr
  • US2421984A - Material for gettering electron discharge devices : en
  • US2422142A - Cathode structure for electron discharge devices : en
  • CA441983A - Stove top : en fr
  • FR922514A - Zinc Manufacturing Improvements : en fr
  • US2421951A - Polymerization of olefinic hydrocarbons : en
  • USD146915S - Safety razor or similar article : en
  • FR922491A - Metal seals in glass : en fr
  • GB589077A - Improvements relating to toilet paper cartons and holders therefor : en
  • GB589192A - Heater : en
  • CH249267A - Clasp. : de en
  • GB589151A - Improvements in and relating to the treatment of fibres, yarns and piece goods composed wholly or partly of jute : en
  • GB588985A - Improvements in differential protection devices for three phase networks : en
  • US2421783A - Position indicator for aircraft in flight : en
  • US2421859A - Mechanical time fuse : en
  • US2421768A - Fuel flow warning device : en
  • US2421854A - Temperature compensator for refractometers : en
  • FR922451A - Air guidance for cooling field coils : en fr
  • US2421877A - Suction attachment : en
  • US2421835A - Time controlled mechanism for phonograph apparatuses : en
  • FR922560A - Improvements to systems for equalizing voltage pulses of the same polarity : en fr
  • GB589115A - Work-piece fixing device : en
  • GB589074A - Improvements in or relating to metallic receptacles having a rip strip : en
  • FR922640A - Crank handle can be folded at right angles : en fr
  • USD146900S - Design for a pin ob similar article : en
  • USD146909S - Design fob a fecit squeezer : en
  • GB589028A - Improvements in or relating to adjusting apparatus for hydraulic driving arrangements : en
  • GB589222A - Improvements in regulator systems for dynamo electric machines : en
  • GB589130A - Improvements in or relating to the catalytic conversion of hydrocarbons : en
  • FR922646A - Improvements in the construction of gas heating devices in contact installations for the catalytic manufacture of various products : en fr
  • GB589085A - Improvements in or relating to electric contacts : en
  • GB589215A - Improvements in or relating to metal to glass seals : en
  • CH249254A - Process for the preparation of a pyridine derivative. : de en
  • AU128538B2 - Improvements in or relating to multichannel electrical pulse communication systems : en
  • CA442060A - High pressure enclosed arc device : en fr
  • CA442049A - Colour photography : en fr
  • USD146927S - Handle for platters and the like : en
  • AU1216947A - Improved means for observing and taking average readings in sextants andother instruments : en
  • US2421985A - Preparation of clarified sugar solutions for fermentation, etc. : en
  • US2422159A - Friction clutch : en
  • FR922408A - Electronic lens : en fr
  • FR922577A - Improvements relating to abrasive articles and their manufacturing processes : en fr
  • GB589199A - Improvements in or relating to metal pit tubs : en
  • GB589226A - Improvements relating to pressure gauges : en
  • CH249253A - Bath additive. : de en
  • US2421824A - Printing machine : en
  • US2421968A - Method of conveying fluids : en
  • US2422007A - Rotary seal member : en
  • GB589114A - Improvements in or relating to pulse modulators : en
  • GB589117A - Improvements in or relating to a process and apparatus for making glass and the likeby a discontinuous process : en
  • FR922536A - Process for preparing a stencil paste and resulting product : en fr
  • US2421884A - Parallel piston engine : en
  • FR922606A - Separation of magnesia and lime : en fr
  • US2421788A - Drum-cable attaching means : en
  • US2421874A - Discharge table : en
  • US2421880A - Oil cracking unit : en
  • AU407746A - An improved hair waving device : en
  • CA441991A - Necktie finisher : en fr
  • FR922425A - Improvements to underwater signaling : en fr
  • USD146926S - Design for a showcase : en
  • CH249088A - Process for the production of abrasive elements made of tubular flat wire knitted or woven fabric, as well as abrasive elements produced according to this process. : de en
  • US2422082A - Reactance control circuit : en
  • US2421793A - Broach carriage : en
  • US2421872A - Compressor regulator : en
  • USPP737P - Rose plant : en
  • US2422034A - Gauging device for determining dimensions of rotary members of pumps : en
  • GB589010A - Friction or gripping devices for tread surface of footwear : en
  • FR922527A - Improvements in the manufacture of dry straighteners : en fr
  • AU130236B2 - Trough mounting and driving unit for clothes wringers : en
  • CH249097A - Package winder. : de en
  • FR922439A - Rubber ball joint : en fr
  • FR922500A - Method of constructing vaults and floors using terracotta or similar elements, assembled together, without the use of temporary reinforcement : en fr
  • FR922401A - Sharpening machine for band saw blades : en fr
  • US2422155A - Clutch and clutch operating mechanism : en
  • AU124423B2 - Improvements in or relating to optical eyepieces : en
  • CH249232A - Container with cooling device. : de en
  • CH249164A - Self-winding watch movement by oscillating weight. : en fr
  • CH249263A - Method and device for carrier-frequency message transmission with carrier and sideband control. : de en
  • US2421892A - Seal-down composition shingle : en
  • US2421991A - Electric control circuits : en
  • US2422138A - Swivelling bladed adjustable pitch propeller : en
  • CA442119A - Adjustable seat : en fr
  • CH249272A - Foldable wheeled lift, especially prams. : de en
  • FR922562A - Control device for welding machines : en fr
  • CH249168A - Clock. : de en
  • CH249234A - A method for manufacturing a radiator composed of flat finned tubes and a radiator manufactured by this process. : de en
  • AU124396B2 - Drainage system method and means : en
  • CH249071A - Glazing support bar. : en fr
  • CA442099A - Airscrew : en fr
  • CH249173A - Process for producing threads using thread rolling machines. : de en
  • AU133951B2 - Colouring of leather : en
  • CA442068A - Bearing : en fr
  • CA442135A - Cathode ray tube device : en fr
  • US2422055A - Gaiter : en
  • CH249135A - Visual file. : de en
  • CA441987A - Brassiere : en fr
  • CH249161A - Apparatus for the detection of gases which form explosive mixtures with air. : en fr
  • CH249126A - Method for splitting fats and device for carrying out the method. : de en
  • CH249252A - Process for the production of a quinazoline derivative. : de en
  • CA441984A - Water seal : en fr
  • US2421967A - Fluorescent lighting fixture : en
  • CH249250A - Dental treatment facility. : de en
  • CH249110A - Device for melting tallow in a vacuum, for deodorising and deacidifying fats and for evaporating strong foaming liquids : de en
  • CH249184A - Process for making balls and tools for performing this process. : de en
  • US2421941A - Valve mechanism for soot blowers : en
  • GB588969A - Improvements in and relating to electrical discharge devices : en
  • FR922593A - Apparatus for drying, dehydrating and preserving products; ambient air purification : en fr
  • GB589060A - Improvements in or relating to w.c. flushing apparatus : en
  • US2422027A - Method of making insoles : en
  • CH249119A - Process for the preparation of chlorine addition products of aromatic compounds. : de en
  • CH249059A - Device for connecting the age of a plow to its tractor. : en fr
  • AU124425B2 - Improvements in or relating to dry cells : en
  • CH249210A - Two-piece ball cage. : en fr
  • AU1210647A - Improved method and apparatus forthe continuous distillation of solvent or volatile liquids : en
  • AU1208847A - Improvements in or relating to universal joints : en
  • AU1211547A - Communication system : en
  • CH249167A - Electrically controlled process inhibitor on a gear train under the action of a torque, especially for watches. : de en
  • CH249274A - Control device for steering a vehicle. : en fr
  • CA441977A - Carbureter : en fr
  • CA442014A - Ironing or drying machine electronic control : en fr
  • CA442102A - Attitude gyroscope : en fr
  • US2422052A - Method of making collapsible tubes : en
  • US2422077A - Camera shutter system : en
  • USD146924S - Design for an airplane : en
  • AU1209147A - Method and apparatus for ore separation : en
  • CH249069A - Device for fishermen to store fishing rods and leaders. : de en
  • US2421948A - Dual radio direction finder : en
  • CA442116A - Remote control system transmitting apparatus : en fr
  • CH249094A - Armchair. : de en
  • CH249289A - Process for the production of a copper-containing azo dye. : de en
  • CA442019A - Fluid coupling : en fr
  • US2422054A - Method of and apparatus for treating aqueous solution of electrolytes : en
  • CH249165A - Waterproof watch box. : en fr
  • US2421989A - Machine for hardening gears : en
  • US2422143A - Magazine type magnetic recorder and reproducer : en
  • US2421954A - Apparatus for indicating teletypewriter speeds : en
  • FR922622A - Improvements in special steels : en fr
  • CH249226A - Pistons, in particular for internal combustion engines. : de en
  • CA442025A - Hydroxy-arylamino triazine preparing method : en fr
  • US2422011A - Means for stripping carding apparatus : en
  • AU140197B2 - Improvements in or relating to electric circuit arrangements employed in thermionic valve amplifiers : en
  • US2421745A - Computer for solving bombing problems : en
  • AU139114B2 - Improvements in automatic control systems : en
  • AU124395B2 - Improvements in or relating to controls for internal combustion engines as used on aircraft : en
  • GB589173A - Improvements in linear dimension gauges : en
  • CA442122A - Hatch cover and locking means : en fr
  • CA442013A - Push-pull resistance-coupled amplifier system : en fr
  • US2421811A - Process for producing chroman compounds : en
  • US2421898A - Rotary internal-combustion engine of the sliding abutment type : en
  • CA442089A - Electron microscope : en fr
  • US2421799A - Loose-leaf binder : en
  • US2422067A - Remote tachometer drive : en
  • US2422130A - Storage battery plate and separator assembly : en
  • GB589139A - A combined filter and restrictor for controlling the flow of fluid media : en
  • FR922476A - Combined furniture : en fr
  • GB589016A - Improved implement for interdental cleaning and massage : en
  • US2422152A - Container having an inner slidable merchandise carrier : en
  • CH249095A - Device for ventilation of boxes, cupboards and the like. : de en
  • CH249204A - Hook, especially for watch strap. : en fr
  • US2421829A - Fourdrinier papermaking machine : en
  • AU138702B2 - Improvements in or relating to sound recording and reproducing devices : en
  • US2421911A - Speed compensating motor drive for phonograph turntables : en
  • AU1211647A - Improvements in or relating togas-turbine powerplants : en
  • US2421856A - Tire replacing tool : en
  • US2421976A - Process for reacting a ketene with an alpha, beta unsaturated aldehyde : en
  • US2422032A - Film container reel : en
  • US2421839A - Gas valve : en
  • US2422078A - Treatment of cellulosic fibres : en
  • FR922458A - Device for guiding the loader belt in automatic barrels : en fr
  • AU139346B2 - Frequency and phase control system : en
  • CA442036A - Volume control circuit arrangement : en fr
  • CH249271A - Drag chain. : en fr
  • US2421861A - Control apparatus : en
  • US2421972A - Bow tie : en
  • GB588984A - Improvements in or relating to remote supervision systems : en
  • CH249070A - Building. : de en
  • AU2036545A - Smocking apparatus : en
  • CH249175A - Wire bending machine for the production of flat coil spring strips that narrow at both ends. : de en
  • US2421821A - Hand operated potato seed planter : en
  • FR922521A - Supply of internal combustion engines, fireplaces or others, by the ozone of the air, electrically decomposed into oxygen atoms : en fr
  • CH249285A - Machinery on ships. : de en
  • FR922550A - Improvements to darts and their stabilizers : en fr
  • CH249211A - Device on multi-plate clutches for readjusting the cam pressure ring which interacts with levers for engaging and disengaging. : de en
  • AU1205747A - Improvements in or relating to lubricators : en
  • CA442136A - Insulated electric conductor : en fr
  • US2421873A - Governor for variable pitch propeller systems : en
  • US2422015A - Water-cooled furnace door : en
  • US2422020A - Electric control circuit : en
  • AU131279B2 - An improved hair waving device : en
  • AU125216B2 - Luminescent material : en
  • US2421980A - Continuous grating structure : en
  • US2422014A - Truck : en
  • US2422022A - Dishwashing and drying apparatus : en
  • US2422053A - Entry driving machine : en
  • GB588986A - Improvements in or relating to apparatus for adjusting a slide, carriage or the likeover a supporting table or base : en
  • CH249246A - Procedure for operating a rectifier system with a braking resistor. : de en
  • US2422071A - Turning lathe : en
  • AU136676B2 - Improvements relating to cycle wheel hubs : en
  • AU2018545A - Improvements in or relating to controls for internal combustion engines as used on aircraft : en
  • AU124387B2 - Toxic composition : en
  • CA15465S - Racquet press : en
  • CA441976A - Self-energizing electrolytic water correction device : en fr
  • CH249127A - Material impermeable to X-rays and process for its manufacture. : de en
  • US2421973A - Article assembling fixture : en
  • US2422094A - Ice chipping machine : en
  • CA442106A - Direction determining system : en fr
  • AU136900B2 - A combination clothes drier and childs playpen : en
  • FR922533A - Improvements relating to photographic lenses : en fr
  • FR922619A - Improvements to typewriters and other similar machines : en fr
  • FR922473A - Method and apparatus for gas cutting of metals : en fr
  • CH249159A - Blind over-consumption meter. : de en
  • AU124400B2 - Improved push-board orthe like amusement device : en
  • FR922524A - Reinforced concrete foundation or caisson and related jacking process : en fr
  • FR922532A - Improvements to optical lens systems : en fr
  • FR922558A - Vane rotor and improvements to helical pumps : en fr
  • FR922620A - Improvements relating to processes for preparing pile for felting and aqueous secreting solutions used in these processes : en fr
  • GB589061A - An improved manicure nail file : en
  • CH249270A - Installation for moving mobile boxes. : en it
  • AU1470944A - Improved method and means of injecting fuel or other liquids into internal combustion engines : en
  • AU124407B2 - Improvements in or relating to carburetors : en
  • CA442128A - Azo dye : en fr
  • US2421842A - Process of producing tall oil drying oils : en
  • AU1208547A - Improvements inthe manufacturing of target boards for games or sports and target boards so produced : en
  • CA441979A - Latch device : en fr
  • CH249206A - Pocket ashtray. : de en
  • AU1779844A - Improvements in beam deflection electron discharge devices : en
  • BE473767A - : en
  • AU2031745A - Improvements in or relating to dry cells : en
  • AU137669B2 - Improvements In electrical oscillation generators : en
  • CA442101A - Traction reducer : en fr
  • CH249260A - Circuit arrangement in telecommunications systems. : de en
  • FR922648A - End-of-sheet positioning and warning device : en fr
  • AU124399B2 - An improved apparatus for indicating and displaying The progressive and final scores in tennis and similar games : en
  • FR922479A - Automatic geographic dial for receiving devices of t. s. f. : en fr
  • AU1477544A - Sulphur recovery : en
  • GB589009A - A new or improved method of manufacturing or producing chain : en
  • US2422036A - Apparatus for gaging and assorting bullet cores according to size and shape : en
  • FR922629A - Process for cutting glass objects : en fr
  • FR922504A - Improvements to file supports : en fr
  • GB589045A - Improved process for the low temperature polymerisation of olefins : en
  • CA442052A - Colour photography : en fr
  • CH249131A - Suspension file registry. : de en
  • US2421741A - Sign holder and support : en
  • FR922426A - Manufacturing process of polyvinyl acetal resins : en fr
  • GB589194A - Improvements relating to loose leaf binders : en
  • FR922441A - Anti-vibration fixing device : en fr
  • FR922549A - Process for consolidating rubber, cork or other materials : en fr
  • FR922607A - Manufacture of polymerization products : en fr
  • GB589078A - Improvements in and relating to sextants and like angle-measuring instruments : en
  • GB589122A - Time piece with audible alarm : en
  • FR922490A - air cleaner for crankcase ventilation system : en fr
  • AU1626944A - Improvements in or relating to optical eyepieces : en
  • AU648946A - Device for gripping and holding fish : en
  • AU1569644A - Improvements in or relating to carburetors : en
  • FR922645A - Improvements made to secateurs : en fr
  • FR922637A - Flying cycle : en fr
  • CH249117A - Process for the preparation of p-chlorophenol dichlorovinyl ether. : de en
  • FR922477A - Apparatus for wrapping an object in stretch film : en fr
  • FR922484A - Photographic reading and printing device : en fr
  • FR922604A - Measuring cap : en fr
  • GB588988A - Improvements in or relating to paint scrapers or the like : en
  • GB589018A - Improvements in, or relating to, the manufacture or production of chain : en
  • CA442063A - Liquid fuel pump governor : en fr
  • FR922650A - Conversion of an AC-DC into DC-AC installation : en fr
  • GB589080A - Improvements in or relating to grave memorials : en
  • FR922603A - Manufacture of pulp for paper or cardboard with wood chips or any other organic waste : en fr
  • FR922464A - Ladies' watch strap, fixed by means of a tightening spring : en fr
  • FR922634A - Folding fan : en fr
  • GB589191A - Improvements in grating : en
  • US2421890A - Turbine blade : en
  • US2422172A - Thermostable catalysts for the dehydrogenation of hydrocarbons : en
  • US2421953A - Electric heating pad control : en
  • GB589073A - An improved manufacture of vulcanized compositions : en
  • FR922501A - Improvements to electrical capacitors in metallic paper : en fr
  • FR922449A - Hard copper alloys : en fr
  • GB588982A - Supporting device for bottles and other receptacles on filling, stoppering, capsuling and the like machines : en
  • US2421883A - Ditching machine : en
  • US2422151A - Single and mutispark magneto : en
  • CH249141A - Apparatus for moistening postage stamps and other stickers. : de en
  • FR922403A - Process for the preservation of coffee : en fr
  • AU124393B2 - Improved truck unloader : en
  • CH249076A - Electric oven for space heating. : de en
  • FR922568A - universal square : en fr
  • FR922595A - Aerator cover : en fr
  • CA442113A - Railway signalling apparatus : en fr
  • US2422164A - Catalytic method of producing aromatic compounds : en
  • US2422132A - Current collector : en
  • FR922554A - Process for the treatment of metallized paper and for the manufacture of electric capacitors using this paper : en fr
  • AU1208147A - Rotametee : en
  • US2422157A - Distance measuring apparatus : en
  • GB589071A - Improvements in protective shields in high-voltage apparatus : en
  • US2422057A - Electric heating unit : en
  • US2422140A - Frequency modulated recording and reproducing system : en
  • CH249080A - Hinge for windows and doors. : de en
  • FR922602A - Power steering mechanism : en fr
  • CA442056A - Glass surface plate : en fr
  • GB589015A - Improvements in the manufacture of styrene and derivatives of styrene : en
  • US2421778A - Initiating explosives : en
  • US2422095A - Vertical cutting machine : en
  • US2421904A - Trencher : en
  • GB588967A - Improvements in or relating to recording indicator mechanism particularly for telephone installations : en
  • GB589043A - Improvements in prepayment meter mechanism : en
  • CA442012A - Container closure applying apparatus : en fr
  • CH249081A - Door hinge. : de en
  • FR922580A - Glove enhancements : en fr
  • CH249060A - Device for making a furrow intended for planting potatoes. : en fr
  • AU137064B2 - Stabilizer for double bung window : en
  • AU417346A - Improved apparatus for cutting pelts, furs, skins andthe like into strips : en
  • US2422114A - Quick latch jig : en
  • US2421949A - Centrifugal brake and clutch unit : en
  • GB589209A - Process for vitaminising rice : en
  • USD146895S - Design fob a shirt : en
  • CH249183A - Chuck comprising a dog carrier, a bell and clamping dogs. : en fr
  • FR922450A - Manufacture of triamino-monocyclic aromatic hydrocarbons : en fr
  • GB589110A - Optical profile projector : en
  • FR922638A - Shock absorber : en fr
  • US2421942A - Guarded fire alarm thermostat : en
  • US2422089A - Manufacture of chlorinated quinones : en
  • US2422160A - Variable reactance device for coaxial lines : en
  • US2421747A - Object locating system : en
  • US2422158A - Flexible coupling : en
  • US2422166A - Process of producing aromatic compounds : en
  • US2422083A - Frequency modulation receiver : en
  • USD146919S - Brooch or similar article : en
  • US2421960A - Hinge mounting : en
  • CH249217A - Method for suppressing vibrations on closing elements, which are controlled by the flow of the conveyor, and device for carrying out the method. : de en
  • CA442087A - Oscillator tuning system : en fr
  • AU1950245A - Improved truck unloader : en
  • CH249292A - Device for actuating a chronograph mechanism. : en fr
  • FR922587A - Improvements in the manufacture of shoes with cellular rubber soles : en fr
  • GB589223A - Movable eyes for dolls and the like : en
  • LU28406A1 - INSTRUMENT FOR MEASURING THREAD ELEMENTS OR CHARACTERISTICS : en fr
  • GB589052A - Improvements in tumbling method and apparatus for processing articles : en
  • FR922495A - Adding agents for essences : en fr
  • GB588978A - Improvement in electric welding arrangements : en
  • GB589208A - Improvements relating to darts : en
  • CA442118A - Air intake filter for aircraft engines : en fr
  • GB589044A - Improvement in innersole and method of making the same : en
  • GB589171A - Improvements in or relating to chiming or striking mechanisms for house clocks : en
  • US2421761A - Attemperator : en
  • US2421809A - Dieing-out machine : en
  • GB589032A - Improvements relating to winding apparatus for bobbins or other yarn carriers : en
  • GB589012A - Improvements in or relating to packages : en
  • FR922499A - Cleaning and polishing device : en fr
  • GB589141A - Improvements in or relating to panel construction of walls : en
  • FR922633A - Insulating construction panel : en fr
  • CA442028A - Stabilized gel-type hydrated lime : en fr
  • CH249268A - Carriers for paper and other sacks. : de en
  • FR922635A - Device for lighting multiple candles or tapers from a single location : en fr
  • US2421947A - Electrical contactor system : en
  • USD146911S - Design fob a coat : en
  • CA442133A - Double-walled electric incandescent lamp : en fr
  • FR922632A - Gas boiler : en fr
  • GB589186A - Improvements relating to pyrophoric lighters : en
  • FR922564A - Process for the continuous operation of fermentation cells for household refuse, various materials and waste, and cell for the implementation of this process : en fr
  • IE18015L - Pulp moulding dies : en
  • US2422030A - Apparatus for straightening frames and the like : en
  • US2421828A - Fast charge unit : en
  • CH249148A - Folding skis. : de en
  • FR922457A - Controlled oxidation of branched-chain organic compounds : en fr
  • GB589096A - Improvements in or relating to gas producers : en
  • US2421763A - Press cage : en
  • GB589083A - Improvements in or relating to the treatment of industrial liquors containing sulphuric acid to remove the acid therefrom : en
  • US2421832A - Balancing a turbine rotor : en
  • GB589166A - Three-speed gear particularly adaptable for cycles : en
  • US2421891A - Composite billet and manufacture thereof : en
  • US2421900A - Emergency door apparatus : en
  • FR922418A - Printing process on fabric based on natural gum or synthetic gum : en fr
  • IE17529L - Improvements in or relating to implements for cutting plants : en
  • CA442117A - Textile machine controlling method : en fr
  • AU124392B2 - Improvements relating tothe paper controllers of automatic printing presses : en
  • CA442041A - Collating machine : en fr
  • US2422000A - Method of preparing sulfoalkyl ethers of cellulose : en
  • GB589143A - Improvements in toys : en
  • US2421857A - Coin chute : en
  • GB589040A - Improvements in or relating to the production of sulphonamides : en
  • CA442046A - Drop forging or hot pressing of steel articles : en fr
  • US2421929A - Machine for sealing bulbs : en
  • US2421937A - Production of imines : en
  • FR922569A - Method and apparatus for constructing and securing slide fasteners : en fr
  • FR922440A - Advanced rubber ball joint : en fr
  • GB589095A - Improvements in or relating to valve devices for fluid pressure supply systems : en
  • CH249134A - Suspension file. : de en
  • AU124421B2 - Improvements in or relating tothe interpolymerisation of vinyl chloride with fumaric esters : en
  • US2421950A - Polymerization of olefinic hydrocarbons : en
  • US2422125A - Tufting device : en
  • CH249257A - Device on locking devices to prevent unauthorized interference. : de en
  • US2421896A - Refrigerated display case : en
  • US2421844A - Fuel injection system : en
  • US2422085A - Window ventilator : en
  • US2422147A - Electric motor speed control system and method : en
  • CH249207A - Lighter. : de en
  • CH249258A - Device producing multiple frequencies of a fundamental frequency. : en fr
  • AU1163447A - Wagon loading mechanism : en
  • GB589180A - Device for the feathering of oars : en
  • US2421838A - Closure for exhaust pipes : en
  • US2422002A - Neutral, highly unsaturated polymeric composition and method for producing same : en
  • US2422005A - Food chopper : en
  • AU1197243A - An improved drenching gun : en
  • AU138328B2 - An improved process forthe production of filaments and films of glycol terephthalates : en
  • AU1207947A - Improvements in automatic control systems : en
  • CH249104A - Straps. : en fr
  • AU673546A - Improvements in ionisation manometer tubes : en
  • CA442108A - Laminated product : en fr
  • GB589064A - Improvements in or relating to casement windows and hinges therefor : en
  • US2421764A - Affixing characters to transparent drums : en
  • CA441993A - Engine cooling system operation controlling means : en fr
  • CH249122A - Process for the production of B-picoline. : de en
  • AU130177B2 - Improved pipe jointing or coupling means for use withan irrigation system : en
  • CH249295A - Transmission joint. : en it
  • US2421879A - Plug valve : en
  • US2421748A - Merchandise carton : en
  • GB589185A - Improvements in or relating to aquatic sports equipment : en
  • CH249068A - Methods of combating pests. : de en
  • AU125095B2 - Enciphering and deciphering system : en
  • AU137568B2 - Improvements in and relating toa dustbin : en
  • CH249284A - DC line block system. : de en
  • CH249219A - Crane with luffing jib. : de en
  • US2421858A - Shock absorbing gun mount : en
  • US2422009A - Self-sealing ring-joint gasket : en
  • CA441986A - Shoe last : en fr
  • CH249228A - Hot gas engine. : de en
  • FR922628A - Machines for sharpening and polishing aligned pin lenses : en fr
  • CA442043A - Cosmetic container : en fr
  • CA442069A - Electric contact : en fr
  • FR922448A - Preparation of new pyrimidine compounds : en fr
  • CH249129A - Form. : de en
  • CH249269A - Refillable tube. : de en
  • CH249156A - Corner of hair. : de en
  • AU139667B2 - Improvements in or relating to pipe joints : en
  • AU1217347A - Improvements in or relating to sound recording and reproducing devices : en
  • CA441981A - Bottle cap : en fr
  • CA442038A - Ultra high frequency inductor : en fr
  • AU133649B2 - Improvements in or relating togas-turbine powerplants : en
  • USD146930S - Design for a jacket : en
  • US2421822A - Spring device : en
  • US2421902A - Means of expanding pearlite and like substances : en
  • US2421959A - Blood extractor : en
  • US2421915A - Fire alarm : en
  • USD146932S - Design for a wheeled hobbyhorse : en
  • AU484146A - Blocking systems : en
  • AU1074843A - Improvements relating tothe electric control of point and signal operating mechanism for railways andthe like : en
  • AU1129847A - Improvements in and relating to electrical chokes : en
  • AU128796B2 - Improvements in adjustable seats : en
  • US2422045A - Alkaline dry cell : en
  • US2422031A - Hydraulic well drilling device : en
  • AU547546A - Distance indicating systems : en
  • US2421749A - Torpedo director : en
  • US2421754A - Pitchometer attachment : en
  • US2421999A - Potato digger and picker : en
  • CH249178A - High speed spindle. : en fr
  • GB589221A - Improvements relating to the production of curved printing plates from thermosettingand thermoplastic materials : en
  • FR922508A - Articulated character : en fr
  • CH249089A - Device for the maintenance of floors. : de en
  • GB589177A - Improvements in or relating to mechanism for launching rocket projectiles : en
  • AU1609844A - Improvements in or relating to plate whirlers for preparing photoengraving plates : en
  • FR922435A - Improvements relating to upsetting of metals : en fr
  • CA442061A - Sheet and shape manufacture : en fr
  • CA442126A - Rectifier : en fr
  • US2421840A - Cleaning of contact masses by gaseous suspension and delivery thereof to a downwardly moving bed : en
  • US2422106A - Santonin-phenothiazine vermifuge : en
  • GB588996A - Improvements in voltage regulators : en
  • FR922502A - Improvements to cranes and other devices mounted on rails : en fr
  • GB589225A - Improvements in lubrication distribution : en
  • GB589172A - An improved joint or termination for an electric cable : en
  • AU2041245A - Drainage system method and means : en
  • GB589169A - An improved method of and means for securing asbestoscement articles to each other, or to other objects : en
  • US2421894A - Furnace truck : en
  • FR922436A - Improvements to rotary pumps : en fr
  • US2421885A - Pulpstone : en
  • US2421963A - Anvil and pivoted jaw operated cap sealing machine : en
  • US2421994A - Electric valve system : en
  • US2422162A - Control system : en
  • US2421928A - Mold and method of molding : en
  • GB589056A - Braking system control means for vehicles : en
  • GB589174A - Improvements in or relating to beam compasses : en
  • FR922459A - Agricultural implement part: extractor and canadian plow, with three fixing holes : en fr
  • GB589167A - Improvements in or relating to the production of fluorinated derivatives of aliphatic hydrocarbons : en
  • AU1214247A - An improved process forthe production of filaments and films of glycol terephthalates : en
  • US2421853A - Circuit breaker locking device : en
  • US2422136A - Mine car : en
  • GB589046A - Improvements in film shaping and laminating devices : en
  • GB588990A - Manufacture of water-soluble condensation products for improving the fastness of dyed cellulose fibres : en
  • FR922433A - Electrostatic machine to assemble : en fr
  • CH249154A - Housing construction kit. : de en
  • FR922437A - Improvements relating to control systems : en fr
  • FR922540A - Method and apparatus for coating objects : en fr
  • US2421789A - Anchor chain link : en
  • FR922498A - Mechanical pencil with reservoir and push button : en fr
  • GB589100A - Improvements in or relating to smooth bearings for rotary shafts : en
  • CA441972A - Collapsible wardrobe : en fr
  • CA442134A - Incandescent electric lamp : en fr
  • GB589150A - Improvements in or relating to the manufacture of oils for electrical insulating purposes : en
  • CA442079A - Transmitting system : en fr
  • US2421868A - Barrel type engine : en
  • US2421932A - Sole for footwear : en
  • US2421956A - Manufacture of propeller blades : en
  • IE17861L - Acoustic diaphragms : en
  • FR922531A - Connection method for a two-cord telephone exchange : en fr
  • US2422150A - Magneto construction : en
  • AU532446A - Improved pipe jointing or coupling means for use withan irrigation system : en
  • US2421930A - Mechanism for the advancement of the carriage of typewriters and the like : en
  • USD146903S - Design for an embroidered trimming or the like : en
  • AU136119B2 - Improvements in aeroplanes : en
  • AU139905B2 - Improvements in or relating to electrical condensers : en
  • CH249223A - Propeller rotor. : de en
  • FR922506A - Improvements in the production of multi-flame gas burners : en fr
  • GB589201A - Improvements in and relating to aircraft cabin pressure control arrangements : en
  • FR922455A - Differential photometer : en fr
  • IE17818L - Motor vehicle bonnet : en
  • FR922618A - liquid bath air cleaner, especially for small internal combustion engines or compressors : en fr
  • GB589168A - Improvements in or relating to chucks : en
  • CH249162A - Loudspeaker combined with clock. : de en
  • CH249279A - Device for patching air hoses. : de en
  • FR922422A - Free differential piston autocompressor unit : en fr
  • FR922644A - Improvements to remote control systems : en fr
  • GB589036A - Improvements in or relating to collars or cuffs for shirts, blouses and like wearingapparel : en
  • GB589059A - Improvements in or relating to ring-spring shock-absorbers : en
  • AU1134847A - Improvements in or relating to process of producing diphenylacetonitriles andthe product resulting therefrom : en
  • US2421913A - Erecting apparatus : en
  • CA442047A - Colour negative film with correction printing masks : en fr
  • US2422111A - Cutoff saw : en
  • AU2052445A - Improved abdominal protector for cricketers, baseball players and others : en
  • USD146893S - Design for an automobile grille bar : en
  • AU1133547A - Improvements relating to cycle wheel hubs : en
  • CA441971A - Winch hoist : en fr
  • CH249106A - Adjustable last. : de en
  • CA442083A - High frequency oscillator system : en fr
  • US2421865A - Push-button switch : en
  • CH249259A - Arrangement for controlling line selectors in electrical telecommunications systems. : de en
  • CH249294A - Device for conveying sand and sand mixtures from a container to a spray gun. : de en
  • US2421866A - Compressor for hydraulic brake units and the like : en
  • US2422107A - Radio direction finder : en
  • CA442007A - Wet paper board manufacture : en fr
  • CH249193A - Grinding spindle bearing device having ball bearings. : de en
  • US2421805A - Sealing means for optical instruments : en
  • US2422146A - Reflex harmonic generator : en
  • CH249132A - Device for attaching written and picture advertisements to newspaper holders. : de en
  • US2421957A - Work holding apparatus : en
  • AU1125147A - Stabilizer for double bung window : en
  • US2421955A - Garment : en
  • AU140434B2 - Improved method and apparatus forthe continuous distillation of solvent or volatile liquids : en
  • AU139084B2 - Selector system : en
  • US2422128A - Process of preparing purified organic sulphonates : en
  • FR922511A - Method and operating device for pressurized gasifiers using solid fuels, in particular coal, in conjunction with multistage gas turbine installations, with intermediate heating of the working medium : en fr
  • GB589205A - Improvements in elevators applicable also for lowering sacks and other packages : en
  • US2421753A - Means for unblocking lenses : en
  • AU138029B2 - Improvements in automatic multiplying machines : en
  • US2422025A - Navigational position plotting : en
  • AU1567944A - Telecommunication switching systems : en
  • US2421810A - Injector for fuel or other liquids : en
  • US2422048A - Safety-razor blade sharpener : en
  • AU129823B2 - Improvements in or relating to electron discharge tubes and ultrahigh frequency oscillation generation circuit arrangements : en
  • FR922445A - Advanced homogenizer : en fr
  • FR922416A - Motion transmission for low-frame motor vehicles : en fr
  • FR922423A - Oil shale upgrading process : en fr
  • GB589097A - Improvements in or relating to the manufacture of antiseptic preparations : en
  • US2422013A - Preparation of imines : en
  • AU133734B2 - Wagon loading mechanism : en
  • CH249145A - Keyboard for pianos, grand pianos and similar keyboard musical instruments. : de en
  • CH249202A - Metal link of wristwatch. : en fr
  • CH249092A - Chair convertible into a deck chair. : de en
  • US2421918A - Process of producing aluminum oxide substantially free from silica : en
  • GB589219A - Improvements in or relating to devices for laterally supporting elongated members while under longitudinal compressive stress : en
  • GB589101A - Improvements in and relating to foundry cupolas and like furnaces : en
  • CA441989A - Trailer : en fr
  • CH249214A - Machine with a sealing ring with a stepped cross-section. : de en
  • US2421869A - Automatically adjustable force transmitting link : en
  • GB589048A - Improvements relating to frozen foods and methods of making the same : en
  • US2422133A - Frequency modulated altimeter or distance indicator : en
  • USD146901S - Design for a bikdbath : en
  • FR922496A - Manufacture of solid and semi-solid polymers : en fr
  • FR922534A - Improvements to gas tarnishers for enamels and glazes : en fr
  • FR922565A - Advanced grain mill, especially for cattle feed : en fr
  • GB589162A - Improvements in reciprocating pumps : en
  • CH249116A - Process for the preparation of α-oxy-B, B-dimethyl-γ-butyrolactone. : de en
  • GB589031A - Improvements in or relating to the manufacture of ice cream and the like : en
  • IE17527L - Tin openers : en
  • US2421855A - Turbine blade locking device : en
  • FR922573A - Improvements to meteorological balloons and similar objects, and their manufacturing processes : en fr
  • GB588983A - Improvements in or relating to cartographical instruments : en
  • AU130466B2 - Wheeled shopping bag : en
  • FR922492A - Copper alloys : en fr
  • GB589000A - Improvements in or relating to machines adapted for applying coating material to workpieces : en
  • GB589051A - Improvements relating to the preparation of alkylhydroxyphenyl dialkylaminophenyl sulphides : en
  • GB589160A - Improvements in or relating to automatic alarm systems : en
  • US2421862A - Process for producing polyhydric alcohols : en
  • FR922518A - Polymerization and interpolymerization of ethylene : en fr
  • US2422145A - Essential oil compositions : en
  • CA442062A - Radio navigation system : en fr
  • CH249087A - Floor cleaning machine. : de en
  • FR922443A - Improvements made to non-return valves, in particular for machines intended to deliver a gaseous fluid under pressure : en fr
  • GB588974A - Signal-translating system : en
  • US2421759A - Resistor : en
  • US2422068A - Pulse echo control system : en
  • FR922470A - Automatic device with clockwork movement for closing a valve : en fr
  • US2421834A - Recording mechanism : en
  • GB589023A - Control devices for high frequency electrical oscillations : en
  • US2421909A - Record changer mechanism for phonographs : en
  • US2422012A - Electric fence impulse control system : en
  • AU131103B2 - Improved childs seesaw : en
  • AU124409B2 - Improvements in or relating to radio assemblies in sealed containers : en
  • CA441978A - Garment hanger : en fr
  • CA442000A - Stock handling apparatus : en fr
  • US2421878A - Device for tying wire around an article : en
  • CH249105A - Shoe fitting. : en fr
  • US2421961A - Power-driven letoff for looms : en
  • SE118973C1 - : sv
  • CH249290A - Process for the production of a copper-containing azo dye. : de en
  • AU140085B2 - Communication system : en
  • US2421906A - Stator-shell for electric motors : en
  • CA442071A - Spark gap electrical apparatus : en fr
  • US2421812A - Method of producing chroman compounds : en
  • CA442024A - Reaction product of aldehydes and triazine derivatives : en fr
  • US2422127A - Railway signaling apparatus : en
  • US2421837A - Hydroxy-cyanoalkyl naphthalenes : en
  • CA442111A - Shock absorbing device : en fr
  • CH249096A - Method and device for measuring the evenness of the substance cross-section of textile goods, in particular of yarns, rovings and ribbons. : de en
  • GB589145A - Manufacture of monoazo-dyestuffs : en
  • AU1133943A - Improvements in or relating tothe interpolymerisation of vinyl chloride with fumaric esters : en
  • CH249194A - Surface treatment machine for bulk cargo. : de en
  • CA442044A - Cutter spacing checker : en fr
  • CH249198A - Device for driving nails. : en fr
  • CH249157A - Device for bending. : de en
  • US2421927A - Optical objective of the telephoto type : en
  • FR922525A - Cheese knife towel : en fr
  • FR922609A - Process for the manufacture of indelible inks intended for transparent and semi-transparent sheets based on polyvinyl resins : en fr
  • USD146902S - Design for a suit : en
  • GB588994A - Improvements in and relating to drilling machines : en
  • USD146922S - Design for a lapel watch or similar article : en
  • CA442030A - Superheterodyne receiver : en fr
  • US2421841A - Seal for hydraulic turbines and pumps : en
  • CA441999A - Dental tool : en fr
  • AU1213247A - Combined amplitude and frequency modulation detectors : en
  • CA442107A - Submarine signalling : en fr
  • CH249155A - Measuring device for internal measurements. : de en
  • AU137578B2 - Improvements in load counterbalancing mechanisms : en
  • FR922526A - Improvements to rectifiers : en fr
  • CA441970A - Coin wrapping machine : en fr
  • CH249277A - Optical drive-up signal device on motor vehicles, in particular cars. : de en
  • US2421920A - Article handling apparatus : en
  • AU129369B2 - Improvements in and relating to soaps and medicinal compositions : en
  • CH249172A - Transportable device for electrical butt fusion welding of heavy workpieces, especially railroad tracks. : de en
  • US2421813A - Navigation protractor : en
  • US2422109A - Radio direction finding : en
  • US2421910A - Turntable drive for phonographs : en
  • US2421786A - Circuit control apparatus : en
  • FR922566A - Typewriter, calculator or the like with lighting device : en fr
  • US2422004A - Brake : en
  • US2422046A - Alkaline dry cell : en
  • GB589050A - Improvements in and relating to electric soldering irons : en
  • CH249200A - Device for separating materials. : de en
  • GB589216A - Improvements relating to constructional toys : en
  • US2421962A - Fruit picking device : en
  • GB589024A - Improvements in and relating to the polymerization of mono- and di-saccharides : en
  • GB589178A - Improvements in or relating to gas-turbine plants : en
  • US2422120A - Artificial horizon : en
  • GB589029A - Improvements in harmonicas : en
  • AU800346A - An improved ant proof shelf bracket and cupboard support : en
  • CH249293A - Process for the production of blanks and molded parts of all types and device for carrying out the process. : de en
  • FR922567A - Metal door and manufacturing process : en fr
  • CA442021A - Ligno-cellulosic material treating method : en fr
  • CH249124A - Process for rendering aluminum powder dyeable. : de en
  • FR922404A - Window frames, especially storefront windows : en fr
  • US2422058A - Wave guide system : en
  • US2422091A - Top stop for slide fasteners : en
  • US2421903A - Process of making triglycol dichloride : en
  • US2421916A - Orienting work feeder : en
  • US2421935A - Die : en
  • US2421739A - Aircraft tail support and arresting member : en
  • US2421781A - Watch timing recorder : en
  • US2421758A - High-power radio-frequency aircalorimeter-wattmeter : en
  • US2421766A - Interlocking shingle : en
  • US2421870A - Air brake for aircraft : en
  • US2422069A - Automatic gain control for pulseecho systems : en
  • GB589021A - Improvements in or relating to apparatus for controlling electronic streams in thermionic valves or the like : en
  • AU1256244A - Improvements in or relating to electron discharge tubes and ultrahigh frequency oscillation generation circuit arrangements : en
  • US2421987A - Rivet bucking tool : en
  • US2422006A - Traction device : en
  • CA442105A - Submarine signalling apparatus : en fr
  • CH249062A - Small seed drill with clockwork motor. : de en
  • CH249180A - Device for adjusting the transverse movements of a parallel turning tool, in particular for threading. : en fr
  • CH249242A - Selective tripping device for installation protection circuit breakers. : en fr
  • CH249163A - Electric work lamp. : de en
  • FR922475A - Advanced optical glasses : en fr
  • FR922520A - Hygienic headrest : en fr
  • US2422041A - Electron microscope : en
  • AU422746A - Improvements in water systems applicable for irrigation and various other purposes : en
  • CH249215A - Thermal insulator for pipelines. : de en
  • FR922512A - Process for obtaining positive relief images : en fr
  • US2421779A - Cotton picker's sack carrier : en
  • USD146905S - Design fob a bottle : en
  • US2421774A - Apparatus for enumerating and indicating the number of available seats on the decks of passenger carrying vehicles : en
  • US2422035A - Actuating mechanism for aerodynamic surfaces : en
  • US2422134A - Distance indicator : en
  • US2421750A - Magnetic wire storage unit : en
  • US2421826A - Separable drill bit : en
  • FR922557A - Improvements to hand-held dental appliances : en fr
  • GB588999A - Extensible curb for domestic hearth : en
  • CH249160A - Device for suppressing the effect of the disk eccentricity on the information of an integrating zero device. : de en
  • FR922596A - Removable metal cabinet : en fr
  • AU1132947A - Improvements in or relating to pipe joints : en
  • FR922613A - Razor Blade Scraper Pencil Sharpener : en fr
  • FR922574A - Advanced grinding machine for correcting surface defects : en fr
  • GB589091A - Improvements in or relating to electrical spark gaps : en
  • GB589189A - Improvements in and relating to aircraft power plants : en
  • AU124397B2 - Means for hot pressing materials on sewing machines : en
  • CA442050A - Relief pattern forming method on plastic materials : en fr
  • AU131281B2 - Device for gripping and holding fish : en
  • AU137919B2 - Pressure responsive devices : en
  • AU502846A - Improvements in metal frame windows : en
  • CH249137A - Automatic lower margin device on typewriters. : de en
  • US2421933A - Dimension measuring device : en
  • US2422023A - Tread plate : en
  • AU512846A - Wheeled shopping bag : en
  • CA442112A - Wave filter mounting : en fr
  • US2422080A - Photographic emulsions containing supersensitizing dye combinations : en
  • US2421819A - Device for regulating the thickness of ice formations on evaporator coils : en
  • CH249192A - Process for grinding the tooth flanks of cutting wheels. : de en
  • FR922583A - Adjustable electrical resistance : en fr
  • CH249084A - Electrically heated cooking vessel. : de en
  • CH249090A - Apparatus for waxing the floor. : de en
  • AU134696B2 - Blocking systems : en
  • AU137581B2 - Rotametee : en
  • US2422168A - Marine tower and method of placing same : en
  • CA442127A - Game : en fr
  • CH249181A - Slide guides for machine tools. : de en
  • AU128715B2 - Improvements in metal frame windows : en
  • AU138215B2 - Collecting container for refuse orthe like : en
  • AU2055645A - Means for hot pressing materials on sewing machines : en
  • CH249102A - Device for hanging laundry. : de en
  • FR922446A - Electric discharge light source : en fr
  • GB589187A - Improvements in gramophone record storage cabinets : en
  • CH249118A - Process for preparing ketogulonic acid. : en fr
  • FR922480A - reversible construction elements : en fr
  • AU124398B2 - Anew or improved gauging or marking-out instrument : en
  • AU124427B2 - Apparatus for washing drinking glasses and the like : en
  • AU137975B2 - Combined amplitude and frequency modulation detectors : en
  • US2421791A - Slider for fasteners : en
  • GB589119A - Improvements in waist belts and the like and their fastenings : en
  • US2422063A - Cutting soles and the like : en
  • FR922406A - Improvements to composite metal constructions and their manufacturing process : en fr
  • GB589081A - An improved powder puff and container therefor : en
  • GB589102A - Revolving heel for boots and shoes : en
  • GB589203A - Bottle holders : en
  • CA442027A - Electric discharge lamp : en fr
  • GB589049A - Improvements in or relating to line holders for the use of bricklayers : en
  • GB589109A - Improvements in grilling and toasting apparatus : en
  • GB589148A - Improvements relating to injection-moulding of organic thermoplastic materials : en
  • GB589025A - Improvements in tools for running screws and the like : en
  • GB589125A - Manufacture of low carbon ferro-alloys : en
  • CA442039A - Loop antenna : en fr
  • CA442029A - Phase-changing electrical circuit : en fr
  • US2421743A - Metal screen : en
  • US2421817A - Seamless hosiery : en
  • US2422123A - Direction finder : en
  • FR922614A - Improvements to burners for liquid or gaseous fuels : en fr
  • GB589104A - Improvements in or relating to the recovery of wool fibres from mixtures containing wool fibres and cellulose ester fibres : en
  • FR922487A - Utensil for wiping kitchen containers and directing food to dishes : en fr
  • GB589103A - Improvements in or relating to textile drafting rollers : en
  • FR922001A - : fr
  • GB588991A - Improved method of clarifying fluids : en
  • US2422149A - Sign control and system : en
  • FR922482A - Box with electrical resistances mounted on rotating supports and which can be interposed between fixed contacts by rotating these supports : en fr
  • FR922625A - Method and devices for roughening the surfaces of optical glasses : en fr
  • GB589001A - Improvements in or relating to stabilised blasting explosive compositions : en
  • AU1125947A - Improvements in aeroplanes : en
  • GB589099A - Improvements in or relating to power plants : en
  • US2422135A - Frequency modulated distance indicator : en
  • GB589131A - Adhesives : en
  • FR922407A - Method and apparatus for drilling blastholes : en fr
  • FR922488A - Device for making a baby carriage or the like up or down stairs : en fr
  • GB589003A - Improvements in and relating to piston and like split packing rings : en
  • AU138601B2 - Improvements in and relating to wringers : en
  • FR922576A - Improvements to hydroxy-isoquinolines and their preparation processes : en fr
  • GB589183A - Improvements in and relating to a loading skid : en
  • US2422039A - Clamping means : en
  • CA442016A - Shirt body pressing machine : en fr
  • USD146904S - Embroidered trimming or the like : en
  • US2422070A - Liquid sealed pipe cap : en
  • US2422084A - Fishing rod handle : en
  • US2421823A - Drum stop means for printing machines : en
  • GB589082A - Improvements relating to the manufacture of one piece firebacks : en
  • US2421798A - Dasher for churns : en
  • US2421908A - Production of cops in ring spinning and ring doubling machines : en
  • US2422060A - Faucet attachment : en
  • GB588977A - Improvements in printing plate feeding mechanism of addressing, listing or like printing machines : en
  • CH249191A - Hammer mill, in particular for preparing cattle feed. : de en
  • CH249085A - Vegetable bulb cutter. : de en
  • CH249144A - Sign triangle. : de en
  • CH249158A - Device for differentiating between an electrical point signal and its complementary line signal. : de en
  • US2422170A - Sulfanilylsulfanilamide : en
  • USD146928S - Design fob a perfume container or the like : en
  • AU1698244A - Improvements in or relating to oil - or liquid - immersed electric transformers and other apparatus for use on high voltage circuits : en
  • US2422037A - Electric induction apparatus : en
  • CH249212A - Claw clutch. : en fr
  • AU1136047A - Improvements in rotary tilling and reaping machines : en
  • US2421924A - Ethers of 2-hydroxy-3.5.x-trichlorodiphenyl : en
  • CH249067A - Methods of combating pests. : de en
  • CA442070A - Musical signal device : en fr
  • US2421742A - Composite aircraft : en
  • US2422024A - Apparatus for producing smoke screens : en
  • AU132402B2 - Improved process for cleaning and drying loya cane : en
  • CA442018A - Coated steel wire : en fr
  • CH249074A - Railroad track attached to concrete sleepers. : de en
  • CH249235A - System for cooling liquids. : de en
  • CH249280A - Bottom protector for bicycles. : en fr
  • FR922649A - New economical tying device : en fr
  • US2421912A - Electron discharge device of the cavity resonator type : en
  • FR922592A - Recorder-meter for telephones or others : en fr
  • CA441992A - Stencil : en fr
  • CA442037A - Band pass amplifier circuit : en fr
  • GB589157A - Improvements in or relating to sights for rifles and like small-arms : en
  • CH249066A - Spray pump with pump tube. : de en
  • CH249109A - Process for manufacturing a food paste. : en fr
  • AU137441B2 - Improvements in automatic multiplying machines with automatic multiplication : en
  • AU124416B2 - Smocking apparatus : en
  • CH248981A - Circuit for amplitude modulation of electrical oscillations. : de en
  • CH249091A - Clamping device for height-adjustable chairs. : de en
  • US2421863A - Process for driving out occlusions of gases like hydrogen from the surface layers of workpieces : en
  • US2421923A - Shoe heel and method of making same : en
  • US2421979A - Production of fluorescent coatings : en
  • FR922460A - Power amplifier for barrier layer cell : en fr
  • FR922556A - Improvements in folding beds : en fr
  • GB589179A - Improvements in or relating to apparatus for marine propulsion : en
  • GB589214A - Improvements in or relating to machines for straightening rod, wire or the like : en
  • CH249079A - Threaded sleeve for double glazing screws. : de en
  • CH249108A - Device for processing shoes. : de en
  • AU1567544A - Broadband antennas : en
  • CA442011A - Pressure gas filled condenser : en fr
  • CH249123A - Process for the preparation of a stable, water-soluble leuco-sulfuric acid ester salt of a vat dye of the anthraquinone series. : de en
  • AU1208447A - Improvements in or relating to electrical condensers : en
  • US2421827A - Apparatus for reproducing shapes : en
  • AU124424B2 - Improvements in impedance matching transformers : en
  • AU1516844A - Improvements in or relating to cassettes for X-radiography : en
  • CA442010A - Gas blast circuit breaker : en fr
  • CA442131A - Treatment of materials of regenerated cellulose : en fr
  • CH249245A - Electronic discharge vessel for the emission of electrons outside this vessel. : en fr
  • CH249237A - Reversible drive with DC motor in Leonard circuit. : de en
  • AU124415B2 - Improvements in or relating to oil - or liquid - immersed electric transformers and other apparatus for use on high voltage circuits : en
  • AU134260B2 - Improvements in or relating to lubricators : en
  • AU124418B2 - Hydraulic presses : en
  • CA442026A - Gas turbine power plant : en fr
  • FR922410A - Gas boiler : en fr
  • FR922467A - Reps tissue enhancements : en fr
  • GB589140A - Drop bottom mine cars : en
  • CH249082A - Process for the production of round glass bodies with increased light refraction for lighting purposes. : de en
  • GB589137A - Improvements in constructional toys, puzzles or educational games : en
  • US2421825A - Means for applying indicia : en
  • US2421905A - Method of making self-locking nuts : en
  • CH249281A - Suspended runway conveyor system. : en it
  • FR922474A - Improvements to optical glasses : en fr
  • US2421784A - Ultra high frequency apparatus : en
  • US2421983A - Rotary selector switch : en
  • CA442094A - Permeability tuned short-wave spread-band receiver : en fr
  • CH249130A - Process for the production of a book and book produced according to this process. : de en
  • CA442072A - Breathing apparatus : en fr
  • CH249256A - Amplifier circuit with a magnetron tube. : de en
  • CH249262A - Telephone line with circuitry for receiving and converting alternating current pulses. : de en
  • GB589118A - New phthalocyanine derivatives : en
  • GB589154A - Improvements in or relating to connecting means for structural elements : en
  • CA442020A - Broaching machine : en fr
  • CH249230A - Device for regulating the fuel supply to a prime mover. : de en
  • CA442109A - Insecticide dispenser : en fr
  • CH249177A - Mandrel. : en fr
  • CA441980A - Fountain-pen reservoir automatic filling apparatus : en fr
  • US2421886A - Pulpstone : en
  • CA441996A - Wall form spacer : en fr
  • US2422137A - Copying device : en
  • CH249147A - Crampon. : de en
  • US2422119A - Control valve : en
  • AU2102445A - An improved golfclub : en
  • US2422113A - Magnetic dewatering and concentrating means for magnetic separators : en
  • USD146906S - Design fob a vafobizeb ob similar article : en
  • AU1895045A - Improvements in or relating to radio assemblies in sealed containers : en
  • CH249241A - Electric circuit breaker with delayed movement disconnector. : en fr
  • FR922493A - Gasoline manufacturing process : en fr
  • AU136051B2 - Starter pump : en
  • GB589011A - Improvements in and relating to cowling mountings for the bases of hair dryers : en
  • CA442048A - Stabilized silver halide emulsion : en fr
  • CA442064A - Engine fuel supply device : en fr
  • AU130996B2 - Improved apparatus for cutting pelts, furs, skins andthe like into strips : en
  • CA442081A - Antenna and support structure : en fr
  • AU1135147A - Clamps : en
  • AU2076845A - An improved apparatus for indicating and displaying The progressive and final scores in tennis and similar games : en
  • CH249072A - Containers for cattle-herding apparatus, in particular for those with accumulator batteries. : de en
  • CH249171A - Resistance welding process, in particular for seam welding and resistance welding device for carrying out the process. : de en
  • CH249296A - Spherical cap speed change device for industrial machines in general. : en fr
  • CA442092A - Modulation system for ultra high frequency waves : en fr
  • US2421815A - Feeder for viners : en
  • CH249111A - Method and device for the removal of volatile solvents from the substances treated therewith. : de en
  • CH249209A - Angular spherical bearing. : en fr
  • AU1189847A - Process for purifying streptomycin : en
  • GB589127A - Improvements in or relating to apparatus for generating electrical impulses : en
  • AU136120B2 - Improvements in and relating to electrical chokes : en
  • AU1567344A - Improvements in or relating to mixer valve units : en
  • CH249113A - Filter candle. : de en
  • AU321946A - Apparatus for washing drinking glasses and the like : en
  • CH249061A - Device for exterminating weeds in plant crops. : de en
  • US2421760A - Electrical control circuit : en
  • US2422062A - Water conditioning machine for an oil well operated by water flowing from said well fr feeding reagent to the water : en
  • CA442006A - Bottle opener : en fr
  • CH249244A - Polarized electromagnetic relay. : de en
  • CA442053A - Colour photography : en fr
  • CH249101A - Hanger for drying items of laundry. : de en
  • CA442124A - Variable speed gear : en fr
  • CA441994A - Hoist : en fr
  • US2422118A - Making cores for casting light metal alloys : en
  • CA442132A - Floor covering : en fr
  • CH249275A - Steering device on vehicles. : de en
  • US2422019A - Seed treating and handling device : en
  • GB589038A - Improvements in or relating to process and apparatus for producing artificial filaments : en
  • GB589068A - Improvements in or relating to automatic relief valves : en
  • CA442085A - Electron microscope power supply : en fr
  • AU1469944A - Hydraulic presses : en
  • US2421830A - Multipole tripping device : en
  • AU1614644A - Improvements in optical systems : en
  • CA442097A - Electrical gaseous discharge lamp : en fr
  • AU136039B2 - Improvements in ionisation manometer tubes : en
  • AU140783B2 - Improvements in or relating to universal joints : en
  • AU124406B2 - Improvements in or relating to cassettes for X-radiography : en
  • AU803043A - Improvements in or relating to electronic oscillation generators : en
  • AU2239045A - Improvements in or relating to multichannel electrical pulse communication systems : en
  • US2421796A - Open-toe shoe : en
  • CH249216A - Connection for two pipes such as two gas pipes. : en fr
  • CH249227A - Device on internal combustion engines for supplying water vapor to the fuel-air mixture. : de en
  • CH249103A - Carpet holder for knocking bars. : de en
  • AU124405B2 - Improvements relating tothe electric control of point and signal operating mechanism for railways andthe like : en
  • CA441995A - Hoist : en fr
  • CA442074A - Sliding die cushion : en fr
  • CH249078A - Device for cleaning pipes. : de en
  • GB589039A - Improvements relating to polyphase inductor alternators : en
  • AU124390B2 - Telecommunication switching systems : en
  • CH249218A - Tin vessel. : de en
  • CH249278A - Process for producing a protective carcass for tires and apparatus for carrying out this process. : en fr
  • CH249231A - Cooling system. : de en
  • FR922561A - Hot casting process for refractory blocks : en fr
  • US2422059A - Lawn sprinkler : en
  • US2422087A - Carrier wave detector circuit : en
  • US2422098A - Propeller blade : en
  • FR922507A - Luminescent device : en fr
  • GB589005A - Improvements in or relating to setting pointers for measuring instruments : en
  • CH249185A - Saw. : de en
  • FR922552A - air purifier applicable in particular to motorcycles and carts : en fr
  • US2421901A - Mechanical movement : en
  • CH249287A - Bung for the preservation of wines, ciders, syrups and other liquids liable to deteriorate, in barrels, carboys, cisterns or other containers, allowing the direct withdrawal of these liquids. : en fr
  • AU138670B2 - Luminescent screens embodying dichroic reflectors and apparatus including such screens : en
  • US2421978A - Roof gutter assembly : en
  • FR922544A - Closing and assembly clips for doors, partitions, covers, panels, etc., in particular for vehicles such as airplanes, automobiles, etc., with positive tightening and which can be tightened without any adjustment of various thicknesses : en fr
  • AU416746A - Improvements in fishing reels : en
  • CA442032A - Electrical remote control system : en fr
  • US2421831A - Single stage production of gas expanded rubber : en
  • AU149980B2 - Pigmented aqueous emulsions, their preparation and their applications : en
  • AU124422B2 - Sulphur recovery : en
  • CA442078A - Refrigerator door latch : en fr
  • US2421752A - Rocket projectile : en
  • AU1127747A - Improvements in or relating to dielectric and insulating sheet materials and electric devices containing such materials : en
  • US2422038A - Anodes for intensive arcs : en
  • US2421845A - Commutator structure : en
  • GB589058A - Improvements in or relating to the catalytic isomerization of paraffinic hydrocarbons : en
  • US2421899A - Fuel injector pump structure : en
  • USD146912S - Design for a coat : en
  • US2422163A - Catalytic conversion of aromatic compounds : en
  • FR922610A - Process for the manufacture of objects in thermoplastic resins : en fr
  • USRE22888E - Xgarment f fastening device : en
  • US2422148A - Method of making battery separators : en
  • FR922421A - Process for dyeing by color printing of sheets and more generally of die products made up of synthetic resins, thermoplastics and similar bodies : en fr
  • CH249152A - Automotive toy. : en fr
  • US2421762A - Hand grenade : en
  • US2421996A - Electric control circuits : en
  • US2422016A - Process for preparing acetone and acetate esters : en
  • US2421889A - Friction support for lids : en
  • AU124413B2 - An improved drenching gun : en
  • CA442031A - Circuit arrangement for saw-tooth wave generators : en fr
  • GB589022A - Improvements in or relating to thermionic valves : en
  • GB589034A - Improvements in and relating to fire fighting equipment : en
  • FR922412A - Device for covering the head of a rotating part provided with a key or a fixing bolt : en fr
  • US2421820A - Microphone : en
  • AU1214347A - Colouring of leather : en
  • FR922545A - Improvements in the production of water heating devices : en fr
  • GB589158A - Improvements relating to electrical communication systems : en
  • GB589019A - Improvements in and relating to jack apparatus : en
  • US2421981A - Anchorage for frame straightening apparatus : en
  • FR922612A - Machine for edging plates and other containers or objects : en fr
  • US2421992A - Railway rail leveling and anchoring device : en
  • CH249201A - Watch strap. : en fr
  • USD146913S - Design for a coat : en
  • GB589132A - Improvements in building boards or the like and method of making the same : en
  • US2421794A - Gun platform : en
  • CA442121A - Hatch cover for railway cars : en fr
  • US2421816A - Method and machine for making seamless hosiery : en
  • GB589112A - Improvements in tampons or internal sanitary towels : en
  • FR922510A - Device for the rapid protection of electrical networks against short circuits and earthing : en fr
  • FR922599A - Internal combustion engine : en fr
  • US2421843A - Accumulator fuel injection system : en
  • GB589144A - An escape way for mines and similar underground workings : en
  • US2421772A - Disk harrow with transport means : en
  • US2421846A - Fluid pressure engine : en
  • CH249149A - Heel link for ski bindings. : de en
  • US2421777A - Lasting machine : en
  • USD146899S - Design for a hammer head : en
  • AU1129047A - Starter pump : en
  • CH249222A - Axial compressor with at least three stages. : de en
  • GB589120A - Improvements in needle guards for sewing machines : en
  • AU139881B2 - Method and apparatus for ore separation : en
  • CA15472S - Dress vest or waistcoat : en
  • US2421804A - Apparatus for removing meltable metal from articles : en
  • CH249229A - Method for operating fluid-flow machines operating with gaseous working medium and device for carrying out the method. : de en
  • AU140162B2 - Communication system : en
  • US2421875A - Clutch and sprocket assembly : en
  • US2422066A - Laundky souking composition : en
  • US2422165A - Production of aromatic compounds : en
  • GB588971A - Improvements in or relating to driving units for motor vehicles : en
  • CH249213A - Fluid turbo coupling. : de en
  • CH249169A - Oiler for watchmaking and small mechanics. : en fr
  • FR922463A - Hot water production process and hot water boiler for the implementation of this process : en fr
  • FR922627A - Method and device for roughening spherical or other lenses : en fr
  • AU1214147A - Pigmented aqueous emulsions, their preparation and their applications : en