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  • US2449569A - Electron beam apparatus : en
  • US2449650A - Incandescent lamp and method of manufacture : en
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  • GB609054A - Improvements in or relating to security locks : en
  • GB609060A - Improvements in or relating to an absorption device for ultra high frequency radiant energy : en
  • GB608683A - An improved clothes horse : en
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  • GB608986A - Improvements in or relating to the mounting of piezo-electric quartz crystal elements : en
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  • US2449625A - Die assembly : en
  • US2449707A - Welding mechanism : en
  • US2449793A - Extraction of unsaturated hydrocarbons and selective solvent therefor : en
  • US2449950A - Connector for belts : en
  • CA451365A - Egg baker : en fr
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  • CA451373A - Method of and means for treating substances : en fr
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  • US2449945A - Apparatus for handling rolls of flexible sheet material : en
  • AU1530147A - A combined beat frequency oscillator and muting circuit arrangement : en
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  • AU2270948A - Improvements relating to pole changing switches for dynamo electric machines : en
  • GB608948A - Improvements in the manufacture of stockings and in straightbar knitting machines therefor : en
  • AU2263745A - Pulse type multiplex communication system : en
  • US2449542A - Radio object locating device for producing stereoscopic images : en
  • GB609086A - Improvements in or relating to the vulcanization of natural or synthetic rubber : en
  • GB608678A - Improvements in and relating to electrodes for electric discharge devices : en
  • US2449955A - Grip mechanism for testing machines : en
  • CA451375A - Stable emulsion of resinous material : en fr
  • CA451348A - Method of lapping gears : en fr
  • US2449678A - Control syringe : en
  • GB608864A - Improvements in apparatus for projecting thermal or visible or ultra-violet radiation : en
  • US2449613A - Reactions of inorganic polyisocyanates and polyisothiocyanates : en
  • USD151109S - Design fob a mujtarttbrush : en
  • CA451287A - Electrolytic water correction : en fr
  • CA451328A - Pulse generating circuit : en fr
  • US2449592A - Distributor for air-borne fibers : en
  • US2449928A - Synthetic rubber plasticized with a composition composed essentially of an aromatic hydrocarbon oil : en
  • USD151059S - Design for a camera cover : en
  • USD151087S - Design fob a dress : en
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  • GB608997A - Improvements in or relating to magnetic time switches : en
  • CA451386A - Adjusting and operating truck for car end straightener : en fr
  • GB608736A - Improvements in or relating to darts : en
  • AU141932B2 - Improvements in or relating to weaving looms : en
  • US2449853A - Inhaler : en
  • CA451285A - Lighter : en fr
  • CA451316A - Method of coating phenol reactors : en fr
  • US2449579A - Sleeve cuff holding device : en
  • US2449670A - House moving dolly : en
  • US2449902A - Filtration : en
  • AU2270648A - Improvements inthe manufacture of concentric conductor electric cables : en
  • US2449777A - Feeding mechanism fob shaker : en
  • AU2268248A - Improvements in collector cells and collector plates for electrostatic precipitators : en
  • AU143950B2 - Magnetrons : en
  • US2449801A - Oscillograph apparatus : en
  • CA451391A - Composite storage battery separator : en fr
  • US2449700A - Fish lure : en
  • AU127953B2 - Improvements inthe manufacture of composite products of rubber and rayon andthe products obtained thereby : en
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  • US2449827A - Renewable fuse : en
  • US2449560A - Gas operation of firearms action slides : en
  • US2449755A - Electric heating and ventilating unit : en
  • US2449864A - Tie device for wall forms : en
  • USD151028S - Design for a bottle : en
  • US2449566A - Aircraft flight stabilizing control unit and system : en
  • US2449626A - Magazine type camera : en
  • US2449541A - Discharge nozzle : en
  • GB608927A - Improvements in or relating to the smelting of copper : en
  • CA451275A - Board for buildings, furniture and the like : en fr
  • CA451313A - Multi-fluid heat exchanger : en fr
  • US2449920A - Conduit coupling : en
  • US2449965A - Ash receptacle for armrests of vehicle seats : en
  • US2449761A - Window sash mounting and operating mechanism : en
  • USD151090S - Design fob a dress : en
  • US2449867A - Circuit interrupter : en
  • USD151106S - Design fob a fish lube : en
  • GB608834A - Drilling apparatus : en
  • GB609051A - Improvements in or relating to wire conveyor belts : en
  • GB609105A - Weather-proof inside-opening window : en
  • DK67649C - Hair treatment. : da en
  • GB608907A - Improvements in mountings for belt conveyor rollers : en
  • GB608999A - A device for holding and manipulating floor polishing, washing and like cloths : en
  • GB608810A - Improvements in or relating to liquid pressure braking systems for vehicles : en
  • GB608974A - An improvement in or relating to machines for planing wood, and the like : en
  • GB609000A - Control device for opening parachutes : en
  • CA16481S - Paneling : en
  • GB608969A - Biotin and its analogues and methods for obtaining the same : en
  • AU129684B2 - Deflection circuits : en
  • US2449820A - Tripping and interlocking device for circuit breakers : en
  • US2449830A - Rod clip : en
  • USD151025S - Design for a flash lamp holder : en
  • GR11795B - METHOD FOR RECEIPT OF DIRT FROM EXTRACTED TO DRY EXTRACTED STONES. : el en
  • AU1579147A - An improved cultivating implement : en
  • CA16480S - Shoe sole : en
  • GB608872A - Improvements in and relating to dirigible amphibious craft and steering mechanism for the same : en
  • GB609108A - An improvements in or relating to gear-type rotary pumps : en
  • GB608731A - Improvements in or relating to synchronous motor clocks : en
  • GB608975A - A new or improved edge binding machine : en
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  • GB608718A - Improvements in or relating to storage devices for a record mechanism, and the record mechanism including the improved storage device : en
  • GB608716A - An improved drilling appliance : en
  • GB608767A - Improvements in or relating to band saws : en
  • GB608854A - Improvements in or relating to the modification of hydrocarbon materials, more especially liquid hydrocarbon lubricants : en
  • GB609094A - Preparation of 2-(ú­-aminobenzenesulphonamido)-pyrimidine : en
  • GB608798A - Improvements in or relating to reaping machines : en
  • GB609093A - Improvements in or relating to electromagnetic switches : en
  • GB608700A - Improvements in conveyors : en
  • GB608881A - Improvements in or relating to hydraulic relief valves : en
  • US2449550A - Battery adapter : en
  • US2449696A - Oil temperature regulator : en
  • US2449729A - Process for the production of industrial or power gases : en
  • USPP806P - Rose plant : en
  • US2449905A - Power unit : en
  • CA451344A - Radio pulse system with interference eliminator : en fr
  • CA451351A - Process and composition for the production of coloured photographic pictures : en fr
  • US2449825A - Third dimension animated display device, including movable frames : en
  • US2449844A - Quartz oscillator plate : en
  • GB608873A - Improvements in and relating to clips for clothes and the like : en
  • GB608990A - A lining-up arrangement for electric motors : en
  • GB609091A - Improvements in dissolving apparatus : en
  • GB609070A - Ironing machine : en
  • GB608710A - Noise pulse suppression circuit particularly for the vision channel of a television receiver : en
  • GB608966A - Improvements in or relating to automatic feeding and ramming arrangements for automatic firearms : en
  • GB608998A - Improvements in or relating to printing means : en
  • DK67636C - Apparatus for temporal displacement of pulses. : da en
  • CA451355A - Actuator : en fr
  • GB608897A - Manufacture of trisazo-dyestuffs : en
  • US2449948A - Flush tank mechanism : en
  • GB608906A - Improvements in or relating to electric switch devices : en
  • IE19280L - Automatic frequency control systems : en
  • GB609005A - Flexible drive coupling : en
  • US2449561A - Shear : en
  • US2449607A - Pipe coupling : en
  • US2449804A - Nitroalcohol esters of acrylic acid and interpolymers produced from the same : en
  • US2449810A - Device for decorating materials : en
  • US2449854A - Casting machine : en
  • GB608979A - Improvements in and relating to electric domestic heating devices : en
  • DK67631C - Apparatus for Decomposition of Raatørv for drainage purposes. : da en
  • FR937854A - : fr
  • GB608870A - Improvements in draught excluders for doors : en
  • US2449783A - Apparatus for coating the inside surfaces of tubular vitreous envelopes : en
  • CA451280A - Power saw : en fr
  • DK67645C - Method for descaling blisters. : da en
  • GB608773A - Apparatus for detecting suspended matter in fluids : en
  • US2449684A - Aqueous polyvinyl chloride/polystyrene dispersions : en
  • AU2198748A - Improvements in or relating toa sulphur dioxide compound ofp-amino-diethylaniflne : en
  • AU143750B2 - Improvements in or relating to liquid pressure power generating units or pumps : en
  • AU2268348A - Improvements in or relating to electrostatic precipitator : en
  • US2449746A - Wear plate for jaw crushers : en
  • US2449818A - Brush cleaning device : en
  • US2449917A - Surface treatment of metal : en
  • US2449903A - Sectional dining table : en
  • GB609103A - Improvements relating to rotary displacement pumps : en
  • GB608775A - Improvements in or relating to apparatus for crimping or corrugating strip or sheet material : en
  • GB609039A - Manufacture of azo-dyestuffs capable of being chromed : en
  • US2449774A - Retractable keeper for door fasteners : en
  • AU2268548A - Improved radio tuner mechanism : en
  • US2449665A - Uncoupling mechanism : en
  • US2449806A - Cold hobbable steel : en
  • US2449667A - Drying machine : en
  • US2449848A - Pulse-actuated circuit : en
  • AU2264948A - Improved apparatus for correcting or compensating distortions occurring inthe generation and reproduction of video signals : en
  • US2449873A - Sun suit type of apparel : en
  • GB608677A - Improvements in gas-filled electron discharge devices : en
  • GB608807A - Copolymers of halogenated ethylenes : en
  • GB608823A - Improvements in or relating to steamers and like cooking vessels : en
  • GB609061A - Improvements in or relating to terminals for electric condensers and like components in sealed containers : en
  • US2449880A - Light source : en
  • DK67633C - Process for the preparation of N-substituted amino-di-alkanecarboxylic acid diamides. : da en
  • GB608883A - Improvements relating to aircraft : en
  • GB608924A - Improvements in and relating to flat rigid electrical heating elements for irons and the like : en
  • GB608942A - Process for refining the grain of magnesium base alloys : en
  • US2449559A - Well pipe elevatok : en
  • CA451293A - Wire stripping device : en fr
  • GB609037A - Improvements in or relating to devices for the stereophonic transmission of sound : en
  • AU1688247A - A wool holder, witha counting device, for use in handknitting : en
  • GB608667A - Improvements in or relating to photographic emulsions : en
  • GB608739A - Improvements relating to super-regenerative radio receivers of the type associated with transmitting means : en
  • US2449634A - Automatic washing machine : en
  • US2449822A - Heat exchanging apparatus : en
  • USD151079S - Design for a serving tray : en
  • CA451331A - Radio locating equipment : en fr
  • CA451317A - Production of styrene compounds by pyrolysis : en fr
  • US2449874A - Machine for the automatic cooling and heating of baby bottles and food : en
  • US2449896A - Blouse anchor : en
  • CA451345A - Method and apparatus for modifying recurrent signals : en fr
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  • US2449703A - Snatch block : en
  • AU1521547A - Improved :device for'dressing cutting-boards of 'clicking:'presses and the like : en
  • AU2263948A - Manufacture and use of preparations for combating pests : en
  • GB608761A - Improvements in or relating to constructional toys or other articles : en
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  • AU129045B2 - A fuel ignition sparkplug for internal combustion engines : en
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  • GB608829A - Improvements in or relating to digit registering arrangements and to impulse sendersemploying such registering arrangements : en
  • US2449577A - Electrical condenser : en
  • US2449912A - Mold for forming concrete walls in situ : en
  • USD151027S - Design for a thermometer : en
  • CA451288A - Gravity joint lock : en fr
  • CA451307A - Device for the selective opening of circuit breakers protecting installations : en fr
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  • AU2238648A - Improvements in or relating to connectors for coaxial cables : en
  • US2449886A - Apparatus for magnifying the images on television screens : en
  • CA451318A - Process for removing toluene from p-toluene sulphonic acid : en fr
  • US2449785A - Composition and process for curing lumber and product : en
  • AU138576B2 - An improved cultivating implement : en
  • CA451398A - Horse tie : en fr
  • US2449937A - Rotary cooker : en
  • GB608994A - Improvements in centrifugal electric switches : en
  • GB609004A - Garment trimming machine : en
  • GB608889A - Improvements relating to the manufacture of electric wires and cables : en
  • GB609025A - Devices for making exposures on lenticular films : en
  • GB609032A - Short wave antenna : en
  • GB608723A - Improvements in rotary valve internal combustion engines : en
  • US2449751A - Lathe chuck : en
  • USD151060S - Design for a toilet tray : en
  • GB608887A - Multiplex communication system : en
  • US2449939A - Writing instrument : en
  • USD151092S - Design for a dress : en
  • CA451339A - Clutch plate : en fr
  • USD151068S - Necklace or similar article : en
  • USD151065S - Fruit jar and bottle opener : en
  • GB608832A - Improvements relating to letter boxes : en
  • USD151104S - Design fob a dress : en
  • US2449870A - Clinometer : en
  • USD151048S - Design fob a display dispenser : en
  • US2449563A - Balancing machine : en
  • US2449677A - Welding rod feeder : en
  • US2449731A - Growth poisoning sewer joint : en
  • US2449865A - Machine for forming and applying clips to wire members : en
  • DK67647C - Process for refining collagen material. : da en
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  • US2449547A - Lubricating oil addition agent : en
  • US2449581A - Quantitative determination of unsaturated aldehydes : en
  • AU2262348A - Converter'construction and control : en
  • US2449792A - Cathode-ray-tube scanning circuit : en
  • US2449964A - Automatic change-speed transmission : en
  • AU1534747A - An improved hose coupling : en
  • CA451376A - Treatment of hydrocarbons : en fr
  • US2449879A - Synthetic rubber reclaimed with a reclaiming oil composed of solvent naphtha and an aromatic hydrocarbon oil : en
  • US2449883A - Fatigue indicator : en
  • US2449929A - Elastomer plasticizing composition composed of coumarone resin and an aromatic hydrocarbon oil : en
  • US2449690A - Mechanism for feeding sheets of stiff fibrous material : en
  • US2449758A - Bed equipment : en
  • LU29160A1 - : en
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  • GB608817A - Electric pulse generating circuit : en
  • US2449843A - Nitration product of a hydroxy amide : en
  • US2449877A - Preparation of hydroxyethyl-2, 5-dichlorobenzene : en
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  • CA451397A - Foundry sand reclaiming system and method : en fr
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  • US2449680A - Vehicle tow bar : en
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  • US2449819A - Multiplex radio communication : en
  • US2449582A - Pulsating pneumatic stratifier : en
  • US2449797A - Electronic control circuit : en
  • AU137342B2 - Improved :device for'dressing cutting-boards of 'clicking:'presses and the like : en
  • US2449881A - Venturi ring machine : en
  • GR11792B - METHOD OF CONSTRUCTION OF RADIO RESISTANTS. : el en
  • GB608770A - Improvements in and relating to protective coverings or insulators for pustules and other lesions of the skin : en
  • GB609042A - Improvements in compressed air valves for electric circuit breakers : en
  • AU2272548A - Improvements in or relating to rail fastening means : en
  • US2449635A - Production of hydrogen : en
  • USD151097S - Design fob a dress ensemble : en
  • US2449963A - Method and means for protecting shore and other structures against damage by ice : en
  • GB608777A - Improvements in and relating to the working of rubber and the like : en
  • GB609100A - Improvements in furniture manufacture : en
  • US2449739A - Apparatus for detecting variations in load impedances : en
  • US2449811A - Multivoltage dry battery : en
  • AU1530547A - Relaying and indicating means usable with race totalisators : en
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  • US2449954A - Slide rule : en
  • US2449599A - Air controlled throttle : en
  • US2449714A - Ballast stripper : en
  • USD151035S - Frozen food storage and display cabinet : en
  • CA451360A - Angle indicating apparatus : en fr
  • US2449838A - Valve suitable for use with cathoderay tubes and for other purposes : en
  • CA451336A - Anti-skid device : en fr
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  • US2449780A - Wing raising device for floating dry docks : en
  • US2449855A - Longitudinal actuating apparatus : en
  • AU147535B2 - Improved apparatus for correcting or compensating distortions occurring inthe generation and reproduction of video signals : en
  • AU2273248A - Improvements in and relating to the shaping and / or contracting of cylindrical articles : en
  • GB609027A - Improvements in or relating to diluents and coating compositions containing such diluents : en
  • US2449868A - Suit hanger : en
  • US2449924A - Rotor for axial pole induction motors : en
  • AU2243448A - Engine starter : en
  • US2449688A - Dehydrator for refrigerating systems : en
  • GB608866A - Apparatus for treating muscles and other deeply lying tissures in the human or animal body : en
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  • AU2267148A - Improvements in or relating to electric discharge tubes for very high frequencies and methods of manufacturing sucha tube : en
  • AU142039B2 - Carbon pile regulator : en
  • US2449636A - Brake cylinder mounting : en
  • GB608836A - Improvements in or relating to profiling machines : en
  • CA451301A - Thermostatic device for controlling for cooling purposes the flow of liquid : en fr
  • CA451282A - Vise plier attachment : en fr
  • US2449960A - Lever operated axially shif ping fire removing device : en
  • CA451356A - Traction apparatus for vehicles : en fr
  • GB608861A - Improvements in or relating to etching rotogravure printing cylinders : en
  • AU2273048A - Process for treating solvent-wetted vegetable residues containing proteinaceous constituents, andthe product obtained thereby : en
  • US2449772A - Hermetically sealed submersible pumping structure : en
  • GB609066A - Improvements relating to tube connections : en
  • US2449765A - Multiple circuit stand lamp : en
  • US2449901A - Electromagnetic drive : en
  • CA451349A - Action toy : en fr
  • GB608744A - Improvements in or relating to magnetrons : en
  • GB608706A - Improvements in or relating to lubricating guns : en
  • GB608888A - Improvements in or relating to the manufacture of building products : en
  • US2449692A - Spoon leader : en
  • CA451292A - Yarn bobbin : en fr
  • GB608863A - Ink distributing mechanism : en
  • CA451309A - Steering post extension for tractors : en fr
  • US2449956A - Dialkylcyclohexyl glycols and certain derivatives thereof : en
  • GB609088A - Engine starting device : en
  • GB608789A - Improvements in and relating to cathode ray screens : en
  • GB608691A - Improvements in thermionic valves : en
  • GB608995A - Improvements in mercury and other electricity conducting liquid switches : en
  • US2449893A - Clutch and brake mechanism : en
  • GB608727A - Improvements in and relating to batteries of rollers adapted for use in the preparation of crepe rubber : en
  • GB609028A - Improvements in or relating to cooling devices for the casings of gas turbine plant : en
  • GB608734A - Apparatus for visual display and demonstration : en
  • GB609052A - Improvements in or relating to gramophone pick-ups : en
  • USD151078S - Design for a baking iron grid : en
  • US2449798A - Hose clamp : en
  • GB609097A - Improvements in walls for garages, sheds and the like buildings : en
  • US2449936A - Foot wrapper : en
  • US2449890A - Pick for stringed instruments : en
  • US2449943A - Method of making antifriction bearings : en
  • GB608876A - Process and apparatus for dividing a liquid : en
  • CA451369A - Electrical bonding apparatus : en fr
  • GB608684A - Improvements relating to super-regenerative radio receivers of the type associated with transmitting means : en
  • GB609022A - Improvements in and relating to the production of organic nitrogen compounds : en
  • GB608690A - Device for counting the revolutions of a shaft : en
  • GB608721A - Improvements relating to tubular constructions, particularly for household articles, toys and the like : en
  • GB609031A - Improvements in or relating to speed changing mechanism : en
  • GB608920A - Improvements in or relating to cases, cartons and the like : en
  • GB609076A - Improvements in or relating to accounting or similar machines : en
  • US2449653A - Filament forming apparatus : en
  • USD151057S - Design for a dress : en
  • US2449594A - Collator : en
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  • US2449627A - Oil prospecting method : en
  • US2449725A - Form for molding concrete walls : en
  • US2449640A - Solutions of riboflavin : en
  • GB608715A - Improvements in or relating to insecticidal compositions : en
  • US2449768A - Heat-treating magnesium-alloy die castings : en
  • US2449863A - Load lifting appliance : en
  • LU29164A1 - : en
  • US2449651A - Electronic circuit for triggering stroboscopic devices : en
  • US2449835A - Sewing machine bobbin winder : en
  • US2449845A - Hair clip : en
  • US2449779A - Speed control for dynamoelectric apparatus : en
  • AU2197848A - Improvements in or relating to rubber bathing caps : en
  • GB609074A - Improvements in and relating to envelopes and bags : en
  • GB609110A - Improvements in or relating to connectors for coupling together the ends of movable electric cables : en
  • GB608793A - Improvements in earth-working scrapers : en
  • GB608879A - Improvements in thermostatic electric control devices : en
  • DK67637C - Remote signaling system with Group selectors. : da en
  • GB608923A - Stable solid compositions for use in preparing cleansing and disinfecting solutions : en
  • GB608946A - Improvements in or relating to floors and ceilings : en
  • CA451357A - Machine for making wire straps : en fr
  • US2449927A - Atomizer : en
  • DK67640C - Electric rotary switch with torque switch mechanism. : da en
  • US2449821A - Method for preparing organosilicon compounds : en
  • CA451297A - Two-stroke motor : en fr
  • LU29162A1 - : en
  • GB608681A - Safety device for rotative sustaining means : en
  • US2449771A - Liner for engine cylinders : en
  • USD151047S - Combined portable drainbqard, serving tray, and cooling rack : en
  • GB608852A - Improvements in or relating to photographic apparatus : en
  • GB608749A - Improvements in or relating to cutters, shears or the like : en
  • US2449553A - Radio compass : en
  • US2449619A - Seal breaker for coffee makers : en
  • US2449790A - Separator : en
  • GB608781A - Improvements in thread storing, thread advancing reels : en
  • GB609050A - Improvements in or relating to rotary pumps, prime movers and the like : en
  • GB608757A - Improvements in electrical connectors for blasting cartridges : en
  • CA451308A - Signal : en fr
  • US2449831A - Chuck : en
  • GB608938A - Improvements in or relating to conveyors for box-wrapping systems : en
  • GB609035A - Improved pressure-welding process, and articles produced thereby : en
  • IE18785L - Supporting borders of stockings : en
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  • GB608913A - Improvements in and relating to the tangent screws of instruments : en
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  • USRE23040E - : en
  • US2449621A - Comparison of radio frequency circuit losses : en
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  • GB608693A - Improvements in and relating to the operation of the main flying control surfaces of an aircraft : en
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  • AU2195048A - Improvements in hubs for screw fans : en
  • CA451321A - Water treating apparatus : en fr
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  • US2449898A - Cadaver lifter : en
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  • CA451284A - Handlebar for bicycles : en fr
  • US2449608A - Transmission and control therefor : en
  • DK67646C - Procedure for the production of semi-tanned hides. : da en
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  • CA451304A - Glazing method and apparatus : en fr
  • US2449697A - Ionization chambers, geiger-muller tubes, and the like : en
  • US2449580A - Lubricating grease composition : en
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  • US2449884A - Strap : en
  • US2449615A - Distillation of oil shale under fluidized conditions : en
  • US2449666A - Culinary strainer for pureeing food : en
  • US2449545A - Breech block return means for the browning machine gun : en
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  • US2449934A - Mineral oil composition : en
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  • US2449919A - 3-methylsulfonamido-4-amino dimethyl aniline photographic developer : en
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  • GB608858A - An improved alloy : en
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  • US2449597A - Window blind and curtain rod holder : en
  • CA451395A - Apparatus for the electrical treatment of matter : en fr
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  • GB608668A - Process for rendering fibrous cellulosic substances and articles made therefrom fireproof : en
  • GB608912A - Improvements in and relating to illuminating means for marine sextants : en
  • GB609033A - Cyanine dyes containing a carbonyl or thiocarbonyl substituent in the methine-chain and photographic silver-halide emulsions senzitized therewith : en
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  • US2449763A - Mucilage container : en
  • US2449735A - Irrigation pipe coupling : en
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  • GB608676A - Improvements in and relating to internal exhaust seals for electric lamps and similar devices : en
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  • US2449632A - Glow discharge switch : en
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  • GB608903A - Improvements relating to electric circuits applicable to fluorescent tubes : en
  • GB608984A - Improvements in or relating to photographic contact printing apparatus : en
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  • GB608696A - Improvements in or relating to electrical contact spring assemblies : en
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  • GB608671A - Improvements in or relating to reels for fishing rods : en
  • GB608847A - Improvements in and relating to electrode holders : en
  • GB609020A - Improvements in tips and pads for boots and shoes : en
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  • GB609011A - Improvements in, or relating to, the cylinders of internal combustion engines : en
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  • GB608707A - Improvements relating to the heat-treatment of metal articles : en
  • GB608826A - Improvements in or relating to two-stroke cycle internal combustion engines : en
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  • US2449938A - Coupling : en
  • GB608699A - Improvements in and relating to brushes and the manufacture thereof : en
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  • LU29161A1 - : en
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  • US2449612A - Synthetic rubberlike materials : en
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  • US2449796A - Door mat : en
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  • GB608758A - Improvements in and relating to the production of organic nitrogen compounds : en
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  • AU2269748A - Improvements in deadlocks : en
  • AU2269348A - Improvements in or relating to followup control systems : en
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  • US2449944A - Method of assembling roller bearings and lock rings therefor : en
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  • CA451371A - Reduction of selective fading distortion : en fr
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  • AU139452B2 - Improvements in and relating to the shaping and / or contracting of cylindrical articles : en
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  • GB608755A - An insubmersible pipe line : en
  • CA451364A - Plywood : en fr
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  • GB609056A - Improvements in or relating to clutch operating mechanism for power driven machine tools : en
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  • US2449846A - Lock bolt or nut : en
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  • US2449652A - Extrusion press : en
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  • US2449716A - Automatic fireguard for motionpicture projectors : en
  • AU144794B2 - Oscillation suspension for electric ventilators : en
  • CA451393A - Separation of organic compounds : en fr
  • AU1580447A - Improved method and means of building construction : en
  • GB608954A - Improved method of and apparatus for binding books : en
  • GR11791B - DEVICE PROTECTING THE DOOR FROM FORCED OPENING OR CLOSING. : el en
  • DK67663C - Lockable bicycle rack. : da en
  • GB608812A - Process for the production of tubular objects of prestressed concrete : en
  • CA451346A - Device for upsetting metal : en fr
  • AU2544845A - Radiofrequency scanning devices : en
  • US2449823A - Tool bit and holder therefor : en
  • CA451295A - Seam opening and spreading tool : en fr
  • AU138655B2 - An improved nest : en
  • US2449813A - Safety lowering device for use as a fire escape : en
  • USD151073S - Floor maintenance machine : en
  • GB608849A - Improvements in fluid heaters : en
  • US2449605A - Rotary cylindrical splitter and planer head : en
  • US2449932A - Method of thawing materials : en
  • US2449695A - Fumigating package : en
  • CA451334A - Tachometer generator : en fr
  • DK67658C - Flap valve controlled automatically by a sensing means. : da en
  • GB608686A - Improvements in carpet sweepers : en
  • US2449767A - Stretcher with skeletal traction facilities : en
  • US2449713A - Cooling system for portable motionpicture projectors : en
  • US2449840A - Apparatus for manufacturing finned tubes : en
  • GB608932A - Improvements in or relating to driving mechanism for cinematograph maltese cross projectors : en
  • GB608893A - A process for pasting halogen-containing polymerisation products on surfaces : en
  • GB609071A - Improvements in or relating to thermostatically operated switch devices : en
  • US2449722A - Bank or jewelry box : en
  • US2449803A - Cutin fitting : en
  • US2449741A - Baby harness for chairs : en
  • US2449962A - Dicyclohexylammonium nitrite and its preparation : en
  • GB608909A - Improvements in radio communication systems : en
  • GB609084A - Improvements in or relating to photographic cameras : en
  • GB608741A - Disintegrating unit for sewage or the like : en
  • GB608800A - Rotary pump for air and gases : en
  • GB608689A - Improved control system for refrigeration apparatus : en
  • CA451343A - Wrapping for commodities : en fr
  • GB608692A - Improvements in or relating to hollow rotors and centrifuges : en
  • GB609073A - Improvements in or relating to insecticidal compositions : en
  • US2449712A - Heating element support : en
  • US2449906A - Oxidation of heterocyclic aromatic nitrogen compounds : en
  • AU2198648A - Improved mining machine : en
  • US2449546A - Power transmitting mechanism : en
  • GB608805A - Improvements in or relating to the electrolytic production of light metals : en
  • US2449693A - Kinetograph movement : en
  • USD151111S - Design for a table, desk : en
  • US2449637A - Method and apparatus for manufacturing fluorescent lamps : en
  • US2449953A - Pressure responsive automatic control : en
  • US2449596A - Sludge pumping apparatus : en
  • GB608703A - Improvements in and relating to centrifugal fans : en
  • GB608835A - Polystyrene composition and methods of making the same : en
  • CA451299A - Wheel structure : en fr
  • DK67642C - Method for making anti-corrosion coatings. : da en
  • US2449717A - Hydraulic clutch : en
  • CA451319A - Sulphonation of benzene : en fr
  • US2449576A - Visible index signal means : en
  • GB608839A - Improvements in wave guide switches : en
  • AU131422B2 - Radiofrequency scanning devices : en
  • GB609063A - Improvements in or relating to brazing or soldering tools : en
  • GB609082A - Improvements relating to radio interference suppression : en
  • GB609016A - Improvements relating to the manufacture of the covers of pneumatic tyres : en
  • CA451383A - Electrical insulating layer : en fr
  • GB609026A - Improvements relating to the moulding of sheets and other articles from cement or other pastes : en
  • GB608936A - Improvements in or relating to box making system and method : en
  • US2449711A - Door lock : en
  • GB608665A - Improvements in or relating to hydrocarbon copolymers : en
  • GB608698A - Manufacture of highly polymeric carbamates : en
  • US2449888A - Compressor drive control : en
  • GR11787B - DELIVERY CUTTING MACHINE. : el en
  • CA451388A - Dust mop : en fr
  • GB608754A - Improvements relating to filters and methods of filtering : en
  • GB608746A - Improvements in or relating to flash-light lamps : en
  • GB608830A - Improvements relating to vehicle wind screen wipers : en
  • GB609008A - Improvements in resilient devices primarily for shock absorption : en
  • US2449704A - Inclinometer : en
  • GB608959A - Improvements in or relating to self-lubricating cocks : en
  • GB608759A - Improvements in or relating to saucepans or like vessels for boiling liquids : en
  • US2449786A - Getter : en
  • CA451278A - Water cooler for refrigerators : en fr
  • US2449562A - Antenna : en
  • GB608840A - Improvements in or relating to liquid measuring and dispensing apparatus : en
  • US2449658A - Drying tray : en
  • US2449738A - Oil emulsion treater : en
  • CA451354A - Ironing machine : en fr
  • GB608771A - Improvements in or relating to an aqueous non-alcoholic vanillin-containing flavouring composition : en
  • GB608842A - Improvements in or relating to plate or pot sleepers for railways : en
  • CA451385A - Alkylation : en fr
  • US2449875A - Mounting structure for windows : en
  • AU146908B2 - Process for treating solvent-wetted vegetable residues containing proteinaceous constituents, andthe product obtained thereby : en
  • AU1574147A - An improved nest : en
  • US2449907A - Picture frame : en
  • GB608822A - Variable speed gearing : en
  • GB608851A - Improvements in and relating to gyroscopic instruments : en
  • USD151062S - Design for a scale : en
  • GB608728A - Improvements in and relating to internal combustion engines of the fuel-injection compression-ignition type : en
  • GB608996A - Improvements in and relating to the preparation of chipped potatoes and the like : en