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  • US2391242A - Thermit bomb : en
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  • US2391147A - Game board : en
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  • GB574141A - Polymers of isopropenyl toluene : en
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  • US2391013A - Physiologically active alkaloids from erythrina species : en
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  • US2391289A - Bright copper plating : en
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  • US2391008A - Torch supporting arm for oxyacetylene cutting machines : en
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  • US2391078A - Apparatus for power development : en
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  • US2391170A - Stacker accumulator : en
  • FR905945A - Vacuum and hot air lubricator for top cylinder engines : en fr
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  • GB574063A - Improvements in or relating to machines used in laundries for washing or drying articles : en
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  • US2391278A - High pressure shutoff valve : en
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  • FR906012A - Powdered or granular electrically insulating refractory material for coating electric heating cables : en fr
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  • GB574134A - Improvements in the manufacture of synthetic polymeric materials : en
  • GB574135A - Improvements relating to the operation of high pressure mercury vapour electric discharge lamps : en
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  • US2391179A - Fluorine containing azo compounds : en
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  • FR905853A - Controlled centrifugal dust separator group : en fr
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  • US2391305A - Plastic eye : en
  • US2391222A - Method of making electromagnetic devices : en
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  • US2391223A - Thread cutting tool : en
  • USD143201S - Design fob a suit : en
  • US2391028A - Hot air heating furnace : en
  • USD143213S - Brooch or similar article : en
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  • AU1250744A - Improvements in burners for pilot-flame oil lamps andin flame transferring means : en
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  • US2391086A - Radio frequency motor control : en
  • FR906093A - Discharge tube filled with gas or vapor : en fr
  • USD143250S - Design for a kitchen utensil handle : en
  • DK64182C - Packing device for heat exchange devices. : da en
  • USD143245S - Design for a padlock : en
  • US2391005A - Electric motor : en
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  • USD143240S - Design for a deck of playing cards : en
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  • FR906019A - Process for the preparation of 4-amino-quinolines : en fr
  • FR905896A - Method for mounting and adjusting interchangeable plates on cylinder for intaglio printing : en fr
  • FR905864A - Safety drive device for machines with two motors, one of which can stop or reverse its direction of travel : en fr
  • USD143251S - Design foe a handkerchief case : en
  • GB574115A - Improvements in or relating to bushes, bearings or liners : en
  • FR906097A - Variable pitch propeller : en fr
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  • GB574148A - Improvements in fluid-pressure-operated means for controlling apparatus at a distance : en
  • DK64167C - Liquid atomizer. : da en
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  • CA431924A - Strip feeding and severing device : en fr
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  • US2391083A - Shoe : en
  • US2391120A - Spring means : en
  • US2391150A - Window drape rod hanging means : en
  • US2391162A - Interpolymers of isobutylene with vinyl methacrylate and their preparation : en
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  • USD143182S - Combination magnetic recorder and reproducer or similar article : en
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  • US2391036A - Armored conductor structure : en
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  • US2391166A - Lead salicylate compositions and process of preparing same : en
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  • AU2440645A - Improvements in or relating to stroboscopic stroke or revolution counters : en
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  • US2391193A - Process for the production of magnesium : en
  • US2391283A - Process for the hydrogenation of benzene : en
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  • US2391248A - Stereoscopic acuity testing device : en
  • CA431958A - Subterranean fire extinction method : en fr
  • AU120694B2 - Improvements in or relating to universal joints : en
  • US2391355A - Street indicating device for vehicles : en
  • FR905924A - Method and device for applying by calendering a plastic sheet to a metallic tape : en fr
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  • FR906029A - Method and device for manufacturing down yarns : en fr
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  • US2390983A - Screen : en
  • US2391146A - Process for production of alkylated aryl compounds : en
  • US2391284A - Hair curler : en
  • AU129805B2 - Improvements in and relating tothe tubing of surgical sutures : en
  • AU2558745A - Improvement in N,N'-alkylenecyanine dyes : en
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  • USD143231S - Design for an urn : en
  • US2391067A - Method and apparatus for the production of carbon black : en
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  • DK64184C - Crown-Cork capsule with sealing washer. : da en
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  • US2391323A - Power plant control means : en
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  • US2391088A - Take-up apparatus : en
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  • US2391124A - Clutch : en
  • US2391241A - Protective covering for aircraft surfaces and the like : en
  • US2391148A - Process for reacting propane with olefins : en
  • US2391236A - Oxidation of paraffinic hydrocarbons : en
  • US2391291A - Fuel control system for internal-combustion engines : en
  • US2391007A - Resilient lubricant seal : en
  • US2391049A - Internally insulated structural unit : en
  • US2391155A - Loop-taker transmission mechanism for turning stitching sewing machines : en
  • US2391190A - Ash tray : en
  • US2391301A - Dispensing container for sterile compresses : en
  • US2391128A - Recovery of phenolic materials : en
  • USD143181S - Design for a cosmetic color selection stand : en
  • AU120686B2 - Crystal-controlled relaxation oscillator : en
  • USD143252S - Design for a sachet bag : en
  • US2390999A - Joining of wires, particularly fine wires used in the manufacture of electric coils : en
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  • GB573985A - Improvements in or relating to the electrolysis of chloride fusions heavier than magnesium : en
  • GB574130A - Improvements in the production of inorganic chlorides : en
  • FR906004A - Manufacturing process of linear polyamides : en fr
  • FR906017A - Process for removing oil from condensation water : en fr
  • GB573992A - Improvements in circular knitting machines : en
  • US2391026A - Shielded loop antenna : en
  • GB574149A - Improvements in or relating to the decoration of fibrous surfaces : en
  • FR905983A - Indicating device for digital dials of telephones and similar devices : en fr
  • GB574137A - Multilayer stripping films and methods of making them : en
  • USD143235S - Design fob an earring : en
  • AU120674B2 - Improvements in or relating to potato-planting machines : en
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  • US2391018A - Rotary baler : en
  • US2391153A - Universal precision sharpening machine : en
  • US2391197A - System for controlling cabin pressure of aircraft : en
  • US2391326A - Pneumatic flotation gear : en
  • US2391077A - Method of making brushes : en
  • US2391246A - Automatic phonograph : en
  • US2391112A - First aid kit : en
  • GB574045A - Improvements in or relating to the manufacture of compositions for impregnating dielectric materials : en
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  • US2391176A - Internal-combustion engine : en
  • USD143185S - Design fob a suit : en
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  • US2391156A - Apparatus for refining sublimable material : en
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  • GB574080A - Improvements in or relating to the jointing of flexible pipes : en
  • CA431978A - Harvester pick-up : en fr
  • US2391310A - Automobile trunk loading device : en
  • US2391346A - Crown capped container : en
  • US2391061A - Timber connector : en
  • US2391074A - Centralizing means for brake shoes : en
  • AU1346844A - Improvements in coupling devices for connecting pipes or conduits : en
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  • GB574083A - Improvements in anti-skid and tyre-supporting bands for double tyre wheels for vehicles : en
  • CA431965A - Needle valve : en fr
  • FR906086A - Device for placing a disc player : en fr
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  • US2391059A - Pontoon assembly and method of using the same : en
  • US2391227A - Solvent extraction of synthetic latices : en
  • FR905883A - A process for making high quality erasers from mixtures of polyvinyl halides, gelatinizing emollients, dissolving aniline dyes, and fillers : en fr
  • USD143221S - Design fob a brooch or similar article : en
  • USD143230S - Design fob a smoker s stand : en
  • FR905907A - Process for removing gases from liquids and molten metals : en fr
  • FR906083A - Electromagnetic coupling and centering device for automatic telephony switches : en fr
  • AU120678B2 - Automatic cutout for windmills : en
  • CA432022A - Stroboscope : en fr
  • AU120671B2 - Improved cool chamber : en
  • CA432048A - Inoxidisable ferro-alloy manufacture : en fr
  • US2391225A - Spark generator for spectrographic analyses : en
  • GB574032A - Improvements in tubular or box spanners : en
  • FR906018A - Process for the manufacture of alkali salts of metaphosphoric acid, salts giving viscous aqueous solutions : en fr
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  • CA431930A - Steel casing for rotary hydraulic machines : en fr
  • CA432023A - Steam iron pressure releasing means : en fr
  • AU2469445A - Improvements in doctor blade mechanism for rotary intaglio printing machines : en
  • FR904716A - : fr
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  • CA432032A - Spark plug : en fr
  • FR905891A - Artificial foot : en fr
  • FR905948A - Receiver with band gap in the shortwave field : en fr
  • FR906031A - Device intended to ensure translations of image points, applicable in particular to devices for verifying the straightness of lines or planes : en fr
  • GB574132A - Improvements in or relating to military land mines : en
  • FR905855A - Low-loss iron strip interior trim for induction coils and non-copper or low-copper transformers : en fr
  • FR906045A - Rolling mill stand combined with tilting table or lifting table : en fr
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  • US2391172A - Hoisting mechanism : en
  • US2391265A - Paper roll supporting rack : en
  • CA431928A - Storage motion follow-up mechanism : en fr
  • FR906081A - Gasifier equipped with an ignition fan : en fr
  • FR906089A - Method of manufacturing welding electrodes, for example for automatic electric arc welding : en fr
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  • FR906010A - Electrically insulating powdery or grainy refractory material for coating electric heating cables : en fr
  • GB574113A - Improvements in or relating to mercury arc rectifiers : en
  • GB574058A - Improvements in and relating to the separation of butadiene from gaseous mixtures : en
  • FR905937A - Lighting device for apparatus for printing or enlarging color negatives : en fr
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  • US2391300A - Apparatus for repairing pneumatic tire casings : en
  • US2391090A - Monitoring device for television systems : en
  • GB574014A - Improvements in or relating to the production of textiles and other articles having a basis of a polyvinyl compound : en
  • GB574153A - Improved apparatus for delivering measured quantities of plastic material : en
  • FR905943A - Process for preparing ammonium thio-cyanate : en fr
  • FR905881A - Wideband amplifier feedback coupled through multiple stages : en fr
  • FR905889A - Rotary indicator and voltage distributor with removable and interchangeable fuse : en fr
  • FR905894A - System for remote control of telephones : en fr
  • CA432007A - Therapeutic preparation : en fr
  • FR905901A - Machine working with a pressure piston for the mechanical molding of metal parts : en fr
  • FR905912A - Ratchet clutch, cooperating with a flexible traction member : en fr
  • GB574160A - Improvements in or relating to axial flow cooling structure for aircraft engines : en
  • US2391073A - Window operator : en
  • GB573993A - Improvements in or relating to flat-irons or the like : en
  • USD143249S - Design for a kitchen utensil handle : en
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  • US2391230A - Ammunition carton : en
  • US2391004A - Process for refining butadiene contaminated with monovinylacetylene : en
  • US2391065A - Electrically heated device : en
  • FR905900A - Piston for casting and overloading machines for metalworking : en fr
  • FR906074A - Sealing process for doors and windows by means of flexible slats and seal thus obtained : en fr
  • USD143224S - Separable brooch or similar article : en
  • AU2557545A - Improved voltage regulator system : en
  • CA431942A - Polymeric vinyl material : en fr
  • CA431950A - Ferrous metal coating process : en fr
  • US2391315A - Reactor : en
  • US2390995A - Furnace : en
  • CA432024A - Sodium production : en fr
  • US2391356A - Torpedo director : en
  • US2391091A - Refining petroleum oils : en
  • CA432045A - Moulded material : en fr
  • GB574145A - Improvements in slicing machines : en
  • FR906068A - Thread grinding machine : en fr
  • US2391060A - Recording and indicating system : en
  • US2391161A - Apparatus for testing the fireresistance of materials : en
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  • US2391117A - Process for the production of butadiene : en
  • AU129077B2 - Improvements in optical filters and masks : en
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  • CA432044A - Rubber article vulcanizing installation : en fr
  • CA432003A - Therapeutic agent : en fr
  • FR905931A - Process for increasing the mechanical resistance of magnesium alloy castings : en fr
  • US2391076A - Device for positioning colorimeter cells : en
  • FR905969A - New mode of locomotion on water : en fr
  • CA431908A - Thread rolling machine : en fr
  • CA431923A - Locomotive firebox : en fr
  • US2391052A - Wallboard construction : en
  • US2391368A - Resin composition : en
  • GB574064A - Method and converter for contacting finely divided catalysts with vapors : en
  • US2391158A - Manufacture of diolefins : en
  • US2391034A - Sink construction : en
  • CA431940A - Cellulose ether manufacture : en fr
  • US2391372A - Tractor stabilizer : en
  • CA432043A - Tension indicator : en fr
  • US2391216A - Stepladder, trestle, and the like : en
  • USD143225S - Design fob an eabring : en
  • GB574116A - Improvements in or relating to electric circuit breakers and trip devices therefor : en
  • USD143215S - Design fob a brooch ob similar abticle : en
  • CA431911A - Rectifier electrode element : en fr
  • CA431970A - Television system : en fr
  • AU120696B2 - Improvements in electromagnetic field structures : en
  • FR906047A - Product for wood preservation : en fr
  • CA431974A - Strand material package forming apparatus : en fr
  • CA431905A - Filter : en fr
  • CA431943A - Chemical process : en fr
  • CA432038A - Internal combustion engine : en fr
  • US2391237A - Hammer mechanism for firearms : en
  • CA432008A - Therapeutic composition : en fr
  • CA432047A - Electric furnace : en fr
  • FR906067A - Device for measuring height offset and cutting angle in circular profiling tools, round screw cutting tools, and the like : en fr
  • AU120668B2 - Improvements in or relating to handles for flat-tanged implements : en
  • CA432013A - Hydraulic pump : en fr
  • CA431896A - Curd agitator : en fr
  • USD143208S - Design for a two-piece hair ornament : en
  • CA432050A - Metallurgical furnace : en fr
  • AU120685B2 - Controlling device for fluid actuated tools : en
  • US2391023A - Footwear : en
  • US2391087A - Oil solubilizing compositions : en
  • USD143216S - Design for a brooch or similar article : en
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  • AU2474745A - Improvements relating to electrical selective signalling systems : en
  • US2391187A - Hydraulic arbor press : en
  • US2391136A - Combination miner's checkbook : en
  • CA431941A - Plastic sheeting : en fr
  • GB574055A - Improvements in aircraft construction : en
  • FR904751A - : fr
  • GB574123A - Improvements in or relating to illuminated signs : en
  • US2391173A - Car-bottom furnace : en
  • US2391312A - Catalyst and method for forming catalysts : en
  • GB574163A - Improvements in or relating to domestic firegrates : en
  • US2391233A - Polymerization of butadiene-1, 3 hydrocarbons : en
  • DK64178C - Optical Imaging System with Spherical Hole Mirror. : da en
  • FR906072A - Small Format Image Camera with Oscillating Shutter Shutter : en fr
  • US2391095A - Vulcanized high-pressure polymers : en
  • US2391252A - Refrigerating apparatus : en
  • US2390990A - Process of refining oil and for producing soap : en
  • AU120691B2 - Improvements relating to self "tapping screws or threaded fasteners : en
  • US2391122A - Grinding wheel dresser : en
  • US2391132A - Optical projection apparatus : en
  • FR905911A - Process for the preparation of technically usable microorganisms obtained from whey : en fr
  • GB573982A - Improvements in or relating to methods of producing hydrocarbon oils from gaseous mixtures of hydrogen and carbon monoxide : en
  • FR906075A - Process for unwinding and complementary treatment of artificial threads and filaments : en fr
  • GB574033A - Improved core construction for induction motors and like dynamo electric machines for reducing the air gap between the stator and rotor of such machines : en
  • US2391093A - Radioactivity well-logging : en
  • USD143222S - Design fob a brooch ob similar article : en
  • US2391311A - Lubricating composition : en
  • CA431977A - Liquid seal : en fr
  • DK64172C - Hair Growth Removal Device. : da en
  • AU129804B2 - Improvements in and relating tothe tubing of boilable surgical sutures : en
  • US2391369A - Code detecting means : en
  • FR906006A - Process for improving the corrosion resistance of parts made of magnesium alloys : en fr
  • GB574102A - An improved dental tool holder : en
  • FR906013A - Powdered or granular electrically insulating refractory material for coating electric heating cables : en fr
  • FR905981A - Process for the preparation and treatment of oligodynamic filters for the sterilization and filtering of soiled liquids and installation and apparatus for its implementation : en fr
  • US2391249A - Self-aligning idler for conveyer belts : en
  • US2391340A - Crown cap spotting apparatus : en
  • USD143256S - Design for a vehicle body : en
  • US2391185A - Fish pick : en
  • GB574070A - Improvements in and relating to electric lamps : en
  • US2391163A - Art of compressing fluid : en
  • US2391174A - Fluid feeding and distributing apparatus : en
  • GB574085A - Improvements in and relating to fireguards for domestic fires : en
  • JP171476C1 - : ja
  • CA431895A - Chip box : en fr
  • DK64166C - Gas stove and heater and burner for this. : da en
  • FR906061A - Process and device for the distillation of coal and other similar products in the form of lumps : en fr
  • US2390986A - Boat cover : en
  • FR905990A - Small automatic circuit breaker : en fr
  • US2391186A - Air-cooled reduction gear unit : en
  • USD143255S - Design for a herb bag : en
  • CA432017A - Non-metallic tire : en fr
  • GB574093A - Improvements in or relating to securing pneumatic tyres to vehicle wheels : en
  • US2391253A - Preparation of sols : en
  • GB574140A - Improvements in or relating to pumping systems : en
  • US2391051A - Litter supporting apparatus : en
  • AU2550445A - Improvements in and relating tothe tubing of surgical sutures : en
  • GB574017A - Improvements in or relating to the manufacture of delay fuze elements : en
  • FR906085A - Electromagnetic pick-up : en fr
  • FR905952A - Divider device : en fr
  • GB574088A - Improvements relating to heat-resisting alloys containing chromium : en
  • FR905930A - End junction lug for free electrical pipes : en fr
  • GB574028A - An improvement in or relating to variable speed gear boxes : en
  • GB574081A - Apparatus for dispensing beer or other liquids : en
  • US2391344A - Crystal inspection device : en
  • US2391213A - Brake shoe assembling and disassembling device : en
  • GB574040A - Improvements in or relating to hoisting arrangements for lifts and the like : en
  • CA431955A - Refrigerating apparatus : en fr
  • FR905972A - Mounting device for piezoelectric crystal : en fr
  • CA431891A - Fluid operated vice : en fr
  • GB573988A - Process for the preparation of halogen derivatives of rubber and rubber-like materials : en
  • CA432046A - Textile material treating apparatus : en fr