• US2383305A - Toy : en
  • FR902261A - Coke dust generator : en fr
  • DK63842C - Weight for Weighing Liquids. : da en
  • FR902270A - Assembly to obtain control voltages for use in any settings and controls : en fr
  • US2383105A - Process for making arsenic chloride : en
  • USD142255S - Straining funnel combination unit : en
  • FR902173A - Discharge tube incorporating a luminescent substance and method of making such substance : en fr
  • CA429521A - Insecticide composition : en fr
  • DK63845C - Device for Central Instruments for Controlling the Operating Time of a Number of Machines. : da en
  • US2383231A - Nut lock : en
  • US2383383A - Electromagnetic vibratory metalworking apparatus : en
  • US2383122A - Rubber or plastic encased flexible reinforcement or flexible member : en
  • FR902159A - Articulated staple for transmission belt : en fr
  • US2383160A - Mouthpiece wiper for metal pots of typographical casting machines : en
  • US2383252A - Method of making plaster retarder : en
  • CA429523A - Composite electrical conductor : en fr
  • CA429590A - Grain grinder gate valve : en fr
  • FR902210A - Plane : en fr
  • US2383077A - Manacle : en
  • FR902212A - Device for putting objects in motion in spaces where a vacuum has been created : en fr
  • GB571324A - Improvements in or relating to fluorescent materials : en
  • FR902239A - Discounted football game : en fr
  • FR902134A - Improvement in the engagement devices of adjunctive sheets conjugable with typewriters, calculators or accountants : en fr
  • GB571454A - Improvements in or relating to the manufacture of cemetery, churchyard and like memorials, kerbings and the like : en
  • FR902166A - Process for the preparation of ketones from alkenes : en fr
  • GB571318A - Improvements in or relating to fluid pressure riveters and like fluid pressure operated apparatus : en
  • FR902120A - Continuous press screw : en fr
  • FR902250A - Four-wire teletype link with repeater device : en fr
  • FR902152A - Advanced brake system for cycles : en fr
  • CA429498A - Sheet metal brake : en fr
  • GB571310A - Improvements in the manufacture of glass containers : en
  • GB571405A - Improvements in ladies' hand bags : en
  • FR902256A - Process for obtaining furniture and other objects by molding : en fr
  • FR902275A - Device for mounting brake actuators for bicycles, motorcycles, etc. : en fr
  • GB571413A - Improvements in connection with means for recording wage data : en
  • FR902236A - Assembly intended for the transmission or production of very high frequency electrical oscillations : en fr
  • US2383433A - Nozzle : en
  • FR902232A - 1-Amino-5-hydroxy-naphthalene-7-sulfonic acid derivatives and method of preparing these bodies : en fr
  • US2383431A - Heating furnace : en
  • AU128772B2 - Process of and apparatus for making halftone negatives : en
  • US2383075A - Spectrophotometer : en
  • FR902243A - Safety razor device : en fr
  • US2383391A - Time-train unit for clocks and the like : en
  • CA429514A - Low resin content cellulose : en fr
  • FR902217A - Air-circulating comb dryer for styling and hair treatment : en fr
  • US2382991A - Range finder : en
  • AU2154745A - An improved combined cash tray and coin-operated illuminated advertising medium or the like : en
  • FR902206A - Process for surface hardening of metal alloys and objects made with these hardened alloys : en fr
  • FR902259A - gasifier gas purification and purification installation : en fr
  • AU120250B2 - Improvements in or relating tothe manufacture of 4-hydroxy-aa diethyldibenzyl : en
  • US2383406A - Wheel mounting : en
  • US2383297A - Article inspecting machine : en
  • US2383328A - Time delay device : en
  • US2383387A - Apparatus for treating chocolate and similar materials : en
  • US2383206A - Treatment of hydrocarbons : en
  • US2383408A - Postal scale : en
  • US2382974A - Method for producing streamlined models : en
  • US2383086A - Water treating apparatus : en
  • US2383306A - Phase-responsive governor system : en
  • US2383276A - Differential backstop for conveyers, elevators, etc. : en
  • GB571330A - Adjustable support for a magnifying glass and means for illuminating the part to be viewed : en
  • FR902109A - electric heating element with visible heating resistance : en fr
  • CA429567A - Enamelled wire testing apparatus : en fr
  • US2383078A - Clamp : en
  • AU1212143A - Improvements relating to reciprocating pumps : en
  • CA429584A - Centrifugal separator : en fr
  • US2383289A - Rosin condensation products and method of producing : en
  • FR902150A - 16, 24, 32 or 40 cylinder "crown" aviation engines : en fr
  • CA429592A - Continuous plastic sheet manufacture : en fr
  • FR902119A - Improvements to circuits relating to automatic long-distance traffic : en fr
  • US2383362A - Separation of hydrocarbon emulsions : en
  • GB571317A - Improvements in or relating to the production of sintered alloys : en
  • GB571387A - Improvements in or relating to gland packing assemblies : en
  • US2383368A - Device for cutting linoleum and the like : en
  • FR902208A - Air insulated cable : en fr
  • FR902268A - Process for producing multicolored images or partial extracts of multicolored images : en fr
  • FR902282A - Hair treatment product : en fr
  • FR902265A - Process for improving the refrigeration of solutions containing paraffin : en fr
  • GB571437A - Improvements in or connected with the manufacture of metallic-coated light filters, partially translucent windows, and like metallic-coated parts : en
  • US2383229A - Empty lock for vending machines : en
  • CA429519A - Food mixer : en fr
  • CA429589A - Maternity foundation garment : en fr
  • FR52921E - Multicylindrical group composed of two internal combustion engines placed in the axis of one another : en fr
  • GB571409A - Improvements in or relating to starting internal combustion engines : en
  • US2383073A - Fishhook : en
  • US2383022A - Plow : en
  • CA429548A - Cyclic organic compound nitration : en fr
  • BE459790A - : en
  • FR902128A - Improvements to dust separators intended to be used for hot gases : en fr
  • GB571388A - Improvements in devices for working relatively soft materials : en
  • US2383222A - Flexible stay bolt : en
  • DK63837C - Spinning centrifuge. : da en
  • US2383270A - Device for arranging articles on conveying means : en
  • US2383428A - Door suspension for vehicles, especially automobiles : en
  • US2383249A - Hose coupling with check valve : en
  • US2383205A - Manufacture of butadiene : en
  • US2383116A - Electric lamp screen : en
  • US2383169A - Windshield : en
  • AU1233943A - Improvements in hand plows or the like : en
  • CA429604A - Thermo-responsive device : en fr
  • US2383349A - Glassware working apparatus : en
  • USD142277S - Design for a flashlight : en
  • USD142266S - Design for a combination crib and cabinet : en
  • US2383096A - Cork composition and products made therefrom : en
  • US2383153A - Sealing device for internal gear pumps : en
  • USD142249S - Design for a clothespin : en
  • GB571460A - Improvements relating to sparking plugs for internal combustion engines : en
  • US2383156A - Collet chuck : en
  • US2383399A - Modified maleic anhydride-terpene reaction products and method of producing same : en
  • FR902269A - Process for treating wort for the production of beer : en fr
  • FR902272A - Improvements to electron tubes comprising an incandescent cathode, at least one grid and one anode : en fr
  • US2383361A - Stabilizing cellulose ethers : en
  • US2383322A - Multiband receiver with band spread : en
  • US2383121A - Wheel driven distributor truck : en
  • FR52926E - Mounting device for telegraph transmissions by alternating current with phase inversion : en fr
  • CA429562A - Coating for metal surfaces : en fr
  • FR52937E - Device for reducing variations in reactive power in static rectifier installations : en fr
  • US2383144A - Coffee maker : en
  • US2383248A - Combination tubing head and tubing support : en
  • US2383300A - Commutator-seasoning apparatus : en
  • US2382961A - Method and apparatus for pitting fruit : en
  • US2383150A - Shoeshine fixture : en
  • US2383193A - Diaphragm pump : en
  • GB571417A - Improvements in and relating to electric transformers : en
  • US2383247A - Treatment of certain sodium-sulphur compounds to produce certain soluble nonsulphur compounds of sodium : en
  • FR902136A - Apparatus and method relating to the electrolytic treatment of studs of zippers and the like : en fr
  • GB571377A - Improvements in or relating to the production or fabrication of sheet metal boxes orcases : en
  • US2383363A - Chemical process : en
  • GB571455A - An improved device for use in the making of drawings of the human face : en
  • US2382962A - Eyeglasses : en
  • US2383000A - Bicycle : en
  • GB571403A - Improvements in drills for producing holes in metal : en
  • GB571430A - Improvements in and relating to machine-gun cartridge belts or carriers : en
  • FR52919E - Flexible vehicle tread : en fr
  • FR902104A - Cellular dispenser-metering-shutter for dry or wet powdery or granular materials : en fr
  • GB571435A - Improvements in or relating to boxes or like containers : en
  • FR52947E - Device for carrying out reactions in contact with metallic fabrics having a catalytic action : en fr
  • FR902285A - Braking device mounted in front of a sound film device : en fr
  • US2383395A - Sash hinging hardware : en
  • USD142271S - Combined cigarette and ashtray case or the like : en
  • GB571414A - Improvements relating to feeding devices for capstan and like lathes : en
  • FR902247A - Method and installation for gasifying solid fuels : en fr
  • GB571456A - Improvements relating to winding machines for wire and thread : en
  • FR52934E - Continuous speed change with belt and conical plates : en fr
  • FR902168A - Improvements made to the process for obtaining metallographitic electric coals : en fr
  • GB571416A - Improvements relating to lockers or receptacles particularly for drying clothes : en
  • DK63846C - Potato planter. : da en
  • US2383083A - Garment hanger : en
  • AU130026B2 - An improved combined cash tray and coin-operated illuminated advertising medium or the like : en
  • CA429563A - Signal and control system : en fr
  • AU893743A - Method for making cartridge assemblies : en
  • US2383044A - Trigger action : en
  • US2383088A - Gun firing solenoid : en
  • FR52913E - Gas lighter : en fr
  • US2383315A - Ammunition : en
  • US2383347A - Refractometer : en
  • GB571359A - Improvements in or relating to a valve : en
  • AU1119543A - An improved grinding and polishing machine : en
  • US2383080A - Method of making curved printing members : en
  • US2383094A - Air chuck : en
  • GB571421A - Improvements relating to collets for lathe and like machine tools : en
  • USD142210S - Design for a booking horse : en
  • USD142232S - Design fob a combined bread and butter tbay : en
  • US2382992A - Soil sampling apparatus : en
  • US2383164A - Mechanical nut : en
  • USD142230S - Design for a watchcase cover : en
  • FR52906E - PROCESS FOR EXTRACTING OILED MATERIALS AND BY-PRODUCTS OF CELLULOSIC ORIGIN. : en fr
  • CA429532A - Engine starter gearing : en fr
  • CA429588A - Liquid fuel container : en fr
  • CA429529A - Fluid heater : en fr
  • FR902181A - Electric gas switch : en fr
  • GB571384A - Improved appliances for educational purposes or for playing a game : en
  • US2383177A - Electric frequency dividing system : en
  • CA429508A - Floating soap : en fr
  • CA429574A - Can conveyer stop mechanism : en fr
  • FR902161A - Process for supplying gasifiers and gasifier for its implementation : en fr
  • US2383237A - Attaching clip for ear ornaments : en
  • LU27708A1 - : en
  • US2383321A - Weighing apparatus adapted for operation by the blind : en
  • US2383189A - Polymerization of oils : en
  • CA429587A - Insecticide : en fr
  • US2383103A - Electric power transmitter : en
  • USD142227S - Design fob a gas analyzing apparatus : en
  • GB571337A - An improved instrument for measuring trees, in the form of a graduated walking stick : en
  • AU1105243A - Improvements in or relating to resins : en
  • AU2274445A - Improvements in and relating to window and like frames : en
  • US2383056A - Manufacture of motor fuel : en
  • US2383421A - Ultraviolet ray applicator : en
  • USD142285S - Lumihous feudant or similar article : en
  • FR52927E - Process for the preparation of polyamides : en fr
  • US2383290A - Adjustable closed or sealed container : en
  • US2383394A - Flexible hollow stay-bolt construction for boilers : en
  • AU120262B2 - Improvements in tubular heat exchangers : en
  • AU2194045A - Improved material surfaced with upstanding flexible pile-like elements of non-solid rubber and method of producing same : en
  • US2383272A - Deep hole indicating appliance : en
  • USD142246S - Design for a gun charger : en
  • USD142269S - Design for a gun or similar article : en
  • US2383371A - Rail car end structure : en
  • US2383389A - Package : en
  • US2383365A - Television pickup control system : en
  • USD142274S - Design for a clothes hamper : en
  • FR902290A - Refrigerant improvements : en fr
  • US2383055A - Polymerization of conjugated dienes : en
  • FR902185A - Improvements to vehicles powered by draft animals : en fr
  • GB571390A - Process and composition for making moulds and article so produced : en
  • AU129182B2 - Improvements in circuits for operating electrical discharge devices : en
  • US2383263A - Tube and base structure : en
  • DK63832C - Maximum switch with box-shaped housing, in particular for direct placement of several switches in a row. : da en
  • US2383142A - Roller bearing : en
  • US2383198A - Engine controller : en
  • US2382963A - Windshield or window construction : en
  • FR902240A - Speed change for cycles : en fr
  • CA429552A - Finely divided polyamide preparation : en fr
  • US2383112A - Automatic electrical air cleaner : en
  • AU127006B2 - Radio guiding method and system : en
  • US2383138A - Air cleaner : en
  • CA429551A - Lower alcohol polyamide solution : en fr
  • CA429586A - Insecticide activator : en fr
  • US2383253A - Apparatus for making corrugated tubing : en
  • DK63840C - Procedure for the preparation of fast-vulcanizing synthetic rubber mixtures. : da en
  • GB571406A - Improvements in and relating to domestic ranges : en
  • CA429544A - Hydrogenated alkoxy-substituted ester and product : en fr
  • USD142287S - Design fob a light shade ob similab article : en
  • US2383063A - Throttle control for locomotives or the like : en
  • US2383002A - Impeller and governor for same : en
  • US2383299A - Heat-treating high-speed tool steel : en
  • US2383278A - Fluid pressure control mechanism : en
  • USD142251S - Brown etal tractor : en
  • DK63827C - Process for the preparation of β-haloalkyl chlorocarbonic acid esters. : da en
  • CA429565A - Protected series capacitor : en fr
  • US2383062A - Post binder : en
  • US2382984A - Spark plug shield : en
  • AU120251B2 - Improvements relating to snap switch plunger constructions : en
  • AU2258845A - Polyvinyl acetal resins : en
  • US2383108A - Fire resistant portfolio, document folder, or the like : en
  • US2383281A - Process for producing magnesium containing beryllium : en
  • US2383325A - Opposed-angle brush holder : en
  • AU120269B2 - Stereophonic radio system : en
  • CA429596A - Slipper manufacture : en fr
  • CA429583A - Spark plug manufacture : en fr
  • AU120279B2 - Absorption or adsorption refrigerator : en
  • AU120265B2 - Improvements in and relating to insulated wire for electrical purposes : en
  • US2383202A - Lighting system : en
  • CA429609A - Orientation automatic adjusting system : en fr
  • GB571325A - Improvements in and relating to dyeing operations : en
  • AU2262845A - Process of and apparatus for making halftone negatives : en
  • CA429541A - Diazine derivative : en fr
  • US2383182A - Tractor hitch : en
  • FR902214A - Improvements to systems such as taut and slack rope stop systems, and to processes for their establishment : en fr
  • GB571375A - Process to provide materials or articles with printings or the like by the way of transfer : en
  • CA429497A - Liquid measuring pump : en fr
  • US2383256A - Typewriting machine : en
  • US2383317A - Concrete wall building block : en
  • US2383037A - Railway traffic controlling apparatus : en
  • US2383226A - Liquid meter : en
  • CA429602A - Electrical measuring or indicating system : en fr
  • CA429528A - Metal article forming machine : en fr
  • USD142216S - Design for a radio dial : en
  • USD142243S - Design for a kitchen cabinet : en
  • US2382989A - Attachment for hand trucks : en
  • FR902202A - Number of turns indicator : en fr
  • CA429600A - Welding machine resistance control apparatus : en fr
  • US2383064A - Ski binding : en
  • GB571353A - An improved straddle hoe : en
  • US2383145A - Chewing gum base : en
  • FR52909E - Multiple time constant statistical loggers : en fr
  • FR52933E - Indicator device for the projection of stereoscopic images : en fr
  • FR902277A - Flax pulling machine : en fr
  • GB571338A - Improvements in adhesives : en
  • AU129597B2 - Improvements in collapsible tubes : en
  • AU1653544A - Method and means forthe manufacture of built-up mica products : en
  • USD142247S - Design for a submarine tank : en
  • FR902295A - Device for forming crossbeds on transversely displaced paper tubes for the production of paper bags : en fr
  • CA429501A - Water tube boiler : en fr
  • CA429504A - Vise : en fr
  • US2383165A - Marked steel bar and method of marking : en
  • GB571360A - Improvements relating to covers or enclosures for tooth brushes and the like : en
  • US2383046A - Means fob igniting a torch under : en
  • US2383147A - Low temperature greases : en
  • USD142284S - Design for a desk ornament : en
  • GB571319A - Improvements in or relating to engines having rotary cylinders : en
  • GB571368A - Improvements relating to the clarification of liquids : en
  • DK63850C - Procedure for securing razor blades against rust formation. : da en
  • AU1173343A - Improvements in or relating to hydraulic tele-control devices : en
  • GB571391A - Taps or tools for cutting internal screw-threads : en
  • US2383273A - Steering post : en
  • FR52928E - Convertible lightweight machine tool : en fr
  • FR902178A - Assembly of umbrella handles : en fr
  • FR902292A - Sintered metal powder piston ring : en fr
  • GB571412A - A new or improved automatic feed mechanism for cylinder grinding or honing tools : en
  • FR902172A - luminescent radiology screen : en fr
  • GB571400A - Improvements in or relating to fire tube boilers : en
  • FR902219A - Heat exchange device between two fluids and particularly when the material of the container containing one of the fluids cannot withstand the temperature of the supply fluid : en fr
  • FR902284A - Continuously operating tamping distributor usable in particular for a plastic material having soil moisture : en fr
  • GB571302A - Improvements relating to prepayment mechanism : en
  • USD142268S - Couhter display for packaged commodities : en
  • GB571420A - Improvements relating to automatic nut-tapping machines : en
  • AU2263645A - Improvements in circuits for operating electrical discharge devices : en
  • CA429598A - Paper bag or sack blockbottom closure : en fr
  • AU119595B2 - Method or process for producing chromate : en
  • US2383115A - Photographic lens : en
  • CA429499A - Welding machine : en fr
  • US2383241A - Brake cylinder : en
  • US2382957A - Safety razor : en
  • USD142253S - Design for a baby bath : en
  • US2382977A - Cigarette ejecting device : en
  • US2383076A - Flash lamp and method of manufacture thereof : en
  • US2383309A - Automatic voltage regulator : en
  • USD142264S - Side handle or lift for cooking vessels and the like : en
  • US2383135A - Staple : en
  • US2383216A - Trailer vehicle : en
  • AU1216043A - Improvements in tubular heat exchangers : en
  • AU127668B2 - Improvements in or relating to power transmission mechanism : en
  • USD142279S - Housing of a two-cycle gas engine : en
  • USD142259S - Design for a radio dial : en
  • US2383301A - Vertical piano action : en
  • US2383330A - Spinning tool : en
  • CA429533A - Engine starter drive : en fr
  • FR902115A - Removable container for liquid : en fr
  • FR52923E - Three-phase transformer with isolated neutral point : en fr
  • FR902262A - Apparatus for measuring the internal diameter of a part being bored : en fr
  • GB571306A - Improvements in heating apparatus for buildings : en
  • GB571395A - Improvements relating to electric switches : en
  • GB571394A - Improvements relating to a reamer : en
  • GB571340A - Improvements in or relating to dicyandiamide salts and methods of preparing same : en
  • FR902129A - High temperature electric oven : en fr
  • US2383132A - Window-shield : en
  • FR52931E - Device for remotely indicating the status of protective devices, such as circuit breakers, circuit breakers, etc. : en fr
  • FR902123A - Application of rectifier assemblies to modulation : en fr
  • US2382960A - Pump diaphragm seal : en
  • DK63853C - Method for Manufacturing Locking Frames for Machine Guns. : da en
  • FR902273A - Improvements to two-stage amplifiers, preferably for shortwave : en fr
  • GB571314A - Frequency modulation detector and converter : en
  • DK63847C - Beet unloading machine. : da en
  • US2382964A - Trouser hanger : en
  • US2383412A - Vegetable cart and loader : en
  • GB571370A - Improvements in the manufacture of 1:1 2-trichlorethane : en
  • US2383388A - Weeding tool : en
  • US2383250A - Compressor throttling apparatus : en
  • US2382980A - Ophthalmic mounting : en
  • US2383213A - Engine : en
  • US2383369A - Fuel system : en
  • AU775942A - Method or process for producing chromate : en
  • CA429545A - Water-soluble polymer polymerization : en fr
  • AU120274B2 - Curing of polyvinyl butyral : en
  • CA429581A - Transmission shift remotely controlled : en fr
  • US2383218A - Hydrocarbon conversion : en
  • US2383149A - Power transmission : en
  • US2383175A - Mattress construction : en
  • CA429531A - Engine starter drive : en fr
  • FR902179A - Wheel with removable, grippy tire, for rail vehicles : en fr
  • US2383221A - Safety attachment for presses : en
  • US2383240A - Centrifuging machine : en
  • FR902169A - Automatic lighter : en fr
  • US2383110A - Sponge rubber products : en
  • AU120249B2 - Improvements in and relating to fluid operated control mechanism : en
  • AU120275B2 - Improvements in or relating to rosin base resins : en
  • CA429527A - Disc valve connection : en fr
  • GB571449A - Improvements relating to circular saws : en
  • CA429575A - Can filling machine : en fr
  • USD142212S - Design fob a game boakd : en
  • US2383234A - Solar water still : en
  • CA429559A - Circuit interrupter : en fr
  • AU1105143A - Improvements in or relating to rosin base resins : en
  • US2383345A - Reflex converter circuit : en
  • US2382956A - Process of manufacture of safety glass : en
  • US2383125A - Railroad seat : en
  • US2383085A - Material feeding apparatus : en
  • GB571332A - Improvements in or relating to gas fires : en
  • USD142275S - Design fob a clothes hamper : en
  • FR52912E - Improvements to articles such as, in particular, beauty kits and similar articles : en fr
  • GB571450A - Improvements in tube couplings : en
  • US2383280A - Syringe : en
  • US2383424A - Pump : en
  • USD142292S - Jewelry fin or similar article : en
  • GB571432A - Improvements in or relating to clutch-operating devices : en
  • US2383161A - Focusing means for cameras : en
  • US2383215A - Mixing valve : en
  • FR902162A - Rotary oven with cooler : en fr
  • FR902192A - Automatic feed change device for gas engines : en fr
  • US2383060A - Fluid pump : en
  • US2383172A - Portable crane : en
  • US2383404A - Scale : en
  • US2383235A - Spraying device : en
  • CA429503A - Theatre program schedule indicator : en fr
  • GB571408A - Improvements relating to speed governors : en
  • FR52902E - Nozzle for gasifier : en fr
  • GB571364A - Improvements in shoes for overall chains or girdles for vehicle wheels : en
  • FR902251A - Device for simultaneous accumulation and extension of pulses : en fr
  • US2383326A - Poultry battery system and cleaning apparatus therefor : en
  • US2383381A - Camera shutter : en
  • US2383032A - Door latching mechanism : en
  • US2383341A - Plug gauge : en
  • US2383027A - Carrier means for artificial teeth : en
  • US2383262A - Crystal : en
  • US2383155A - Seal for window sash : en
  • FR902254A - Belt conveyor : en fr
  • US2383042A - Revolving reflector : en
  • US2383053A - Mounting device for projectiles : en
  • US2383261A - Life preserving suit : en
  • GB571313A - Improvements in and relating to dynamo electric machines : en
  • GB571336A - Improvements in or relating to hydraulic remote control devices : en
  • GB571397A - Improvements in a method and apparatus for making spiral wound tubing : en
  • CA429554A - Coating composition : en fr
  • US2383179A - Manufacture of vinyl aromatics : en
  • US2383259A - Typewriting machine : en
  • FR52901E - Improvements made to gasifier gas mixers, in particular to those for supplying internal combustion engines : en fr
  • FR902238A - Pressure lubrication system : en fr
  • US2383358A - Treatment of casein or the like protein fibers : en
  • US2383104A - Curtain rod or drapery fixture : en
  • AU2262745A - Improvements in or relating to shelters particularly ofthe readily erectable and demountable type : en
  • GB571320A - Improvements in or relating to automatic lathes : en
  • US2383243A - Angle and distance gauge : en
  • AU120271B2 - Process and apparatus for grading and for coating with comminuted material : en
  • US2383207A - Hairpin holder and dispenser : en
  • USD142222S - Jewelry fin or similar article : en
  • US2382952A - Mechanical governor for internalcombustion engines : en
  • US2382993A - Erection device for gyro verticals : en
  • US2383372A - Rail car construction : en
  • GB571327A - An improved clamp for use in conjunction with a work-table or bench : en
  • USD142278S - Design fob a brooch or similar article : en
  • US2382965A - Harvester-thresher and the like : en
  • US2383131A - Apparatus for polishing optical flats : en
  • US2383353A - Cupel muffle : en
  • US2383392A - Acid esters of alkylated i : en
  • US2383411A - Solenoid construction : en
  • US2383015A - Closure : en
  • US2383109A - Electrical apparatus : en
  • US2383117A - Treaded shoe sole and heel : en
  • US2383351A - Phase inverter circuit : en
  • AU120263B2 - Improvements in hand plows or the like : en
  • GB571346A - Improvements in or relating to flat single bed knitting machines : en
  • US2383137A - Acetylation of cyanohydrins : en
  • USD142282S - Design for a house slipper : en
  • US2382998A - Sheet pile marker : en
  • US2383036A - Expanding arbor : en
  • US2383294A - Sea water distilling device : en
  • GB571385A - Improvements relating to combined electric current generators and ignition magnetos : en
  • US2383043A - Stabilization of polymerizable compounds : en
  • US2383134A - Preparation of symmetrical diaryl hydrazines : en
  • US2383284A - Lead pigments and methods of making same : en
  • US2383367A - Dispensing device : en
  • US2383429A - Hydraulically operated control mechanism : en
  • CA429616A - Holding brake : en fr
  • US2383001A - Combined impeller and closure : en
  • AU2069445A - Process forthe preparation of long chain linear polymers : en
  • CA429579A - Vapour generator : en fr
  • CA429610A - Multiplex telegraph system : en fr
  • CA429557A - Electric switch : en fr
  • CA429617A - Press die : en fr
  • US2383174A - Recovery of valuable hydrocarbons : en
  • FR52935E - Process for treating raw textile fibers and apparatus suitable for carrying out this process : en fr
  • CA429556A - Magnetic core insert : en fr
  • FR52924E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • FR902204A - Pressure indicator : en fr
  • FR902118A - Process for the production of direct textile fibers from arundo donax, phragmite reeds and other similar plants : en fr
  • GB571398A - Improvements in the refining of crude aromatic hydrocarbons containing at least two condensed ring systems : en
  • CA429601A - Oil filter : en fr
  • US2383129A - Fire extinguisher : en
  • CA429522A - Reinforcement bar : en fr
  • FR902186A - Process for the enrichment of combustible gases and their thunderous mixture : en fr
  • US2383005A - Frequency control system : en
  • US2383111A - Automatic electrical precipitator : en
  • LU27711A1 - : en
  • US2383288A - Circuit breaker : en
  • US2383400A - Vibration damper : en
  • FR902108A - Improvements made to magnetic circuits in divided iron : en fr
  • FR902140A - Device for electric handling of a self-excited high frequency lamp stage : en fr
  • GB571328A - Fairlead housings of ships : en
  • FR902201A - Auxiliary ignition device for internal combustion engines : en fr
  • CA429517A - Di-electric liquid : en fr
  • US2383416A - Process of removing hydrogen sulphide from hydrocarbon liquids : en
  • FR902180A - Installation grouping in a single assembly various components interposed between a gasifier and an explosion engine : en fr
  • FR902199A - Protective fittings for automatically controlled machines for injection or pressure casting : en fr
  • GB571415A - Improvements relating to the preparation of cation-exchange materials : en
  • GB571369A - Manufacture of high molecular water-soluble condensation products : en
  • US2383166A - Sectional plumb and level : en
  • CA429615A - Phonograph record playing and changing apparatus : en fr
  • US2383307A - Heat-treating furnace : en
  • US2383414A - Snap-acting switch : en
  • US2383238A - Button : en
  • FR52904E - Polyphase maximum circuit breaker : en fr
  • GB571303A - Improvements in or relating to domestic washing machines : en
  • FR902124A - Checking gauge for machining dimensions for machine slides : en fr
  • GB571425A - Improvements in sheet accelerating mechanism : en
  • FR52914E - Assembly system for nautical constructions and others : en fr
  • FR902164A - Ski boot : en fr
  • FR52943E - Process for obtaining coatings of phosphates on metals : en fr
  • US2383390A - Display balloon : en
  • GB571343A - Improvements in or relating to coupling means for the tubular conductors of electriccables or other tubular elements : en
  • FR902242A - Safety switch for automobiles : en fr
  • GB571443A - Improvements in or relating to dynamo-electric machines of the homopolar type : en
  • FR52944E - Process for obtaining coatings of phosphates on metals : en fr
  • US2383173A - Airplane seat : en
  • CA429510A - Shaft seal : en fr
  • USD142228S - Lipstick container or the like : en
  • CA429520A - Vehicle for collecting crops : en fr
  • US2383318A - Tetraalkylthiuram monosulphide preparation : en
  • CA429524A - Rotary motion transmitting mechanism : en fr
  • FR902101A - Combination tool for metal drilling : en fr
  • USD142229S - Design for a toy automobile : en
  • US2383254A - Calcining process and apparatus : en
  • FR902143A - Product to descale, polish teeth : en fr
  • GR10438B - AUTOMATIC CHLORINE APPLIANCE FOR WATER SUPPLY NETWORKS, SOURCES ETC. : el en
  • IE18908L - Automatic telephone exchange systems. : en
  • GB571322A - Improvements in or relating to methods of and means for fabricating structures or articles : en
  • FR902200A - Safety device for injection or pressure casting machines : en fr
  • US2383004A - Combined impeller and closure : en
  • FR902252A - Voltage regulator device : en fr
  • FR902300A - Method and device for cooling gasifiers : en fr
  • FR902176A - Ear tag : en fr
  • FR902196A - Bicycle, motorcycle or similar vehicle having an electric rear light arranged on the periphery of the rear mudguard : en fr
  • FR52929E - Hermetically wrapped filter : en fr
  • GB571461A - Improvements in or relating to cable-stripping devices : en
  • US2383228A - Method and apparatus for preparing asparagus or the like : en
  • US2383417A - Vehicle body construction : en
  • US2383011A - Garment treating form : en
  • US2383130A - Sulphopolycarboxylic acid mono : en
  • US2383010A - Detachable coupling : en
  • US2383311A - Contact for copper oxide rectifiers : en
  • USD142280S - Design for a smoker s pipe : en
  • US2383079A - Fastener : en
  • AU129747B2 - Improvements in or relating tothe preparation of beta-mercaptovaline and metal salts thereof : en
  • FR902255A - Pen clip : en fr
  • US2383379A - Switch mounting for electric drills : en
  • US2382976A - N-hydrocarbon-substituted alkanolamine salts of halo-phenols : en
  • USD142263S - Leo pierre : en
  • US2383127A - Folding high chair : en
  • US2383204A - Lifting jack : en
  • FR52946E - Control for reversible rolling mill trains powered by controlled grid mutators : en fr
  • IE16904L - Brickwork structures : en
  • FR902258A - Sunflower seed shelling machine : en fr
  • GB571451A - Improvements in and relating to steam power plants : en
  • AU146341B2 - Improvements in or relating to lifting and pulling mechanism : en
  • GB571457A - Improvements in the manufacture of synthetic rubber-like materials and in abrasive articles embodying such materials : en
  • FR902122A - Method for heating the containers of extruding or extruding metals and other materials and devices for the application of said method : en fr
  • CA429537A - Plastic material processing : en fr
  • FR902276A - Grinding wheels for machining materials of all kinds, and process for their manufacture : en fr
  • USD142272S - Design for a bottle cabbies : en
  • USD142221S - Design for an eye shield front : en
  • FR902147A - Four wheel tractor : en fr
  • USD142218S - Fluid fuel burning steam and hot water generating unit : en
  • AU1012343A - Improvements in and relating to fluid operated control mechanism : en
  • GB571424A - Improvements in or relating to printing plates and to a method of manufacturing the same : en
  • CA429613A - Sound signal apparatus : en fr
  • FR902280A - Plastic pipes : en fr
  • US2382971A - Woodworking machine tool : en
  • DK63854C - Device by Ski for Limiting the Boot Heel Lifting During Running. : da en
  • GB571393A - Improvements in or relating to tobacco pipes : en
  • GB571396A - Improvements in or relating to the welding together of tubes lying alongside one another to form a return bend : en
  • GB571441A - Dehydration of animal material for surgical purposes : en
  • GB571418A - Process for the manufacture of tetrahydrofuran from tetrahydrofurfuryl alcohol : en
  • US2383146A - Lubricants : en
  • US2383425A - Polymerization of unsaturated organic compounds : en
  • FR52932E - Liquid, compressed air and dual compartment elevators : en fr
  • US2382966A - Transmission cable : en
  • US2383197A - Slide fastener tab locking device : en
  • US2382968A - Adjustable reel and collapsible support therefor : en
  • GB571315A - Improvements in or relating to methods of forming adhesive bonds involving the use of cements comprising polyvinyl butyral or in or relating to compositions suitable for use for activating dried coatings of such cements : en
  • GB571431A - Improvements in the manufacture of electron discharge tubes : en
  • GB571433A - Method and device for making the points of collars, detachable collars, cuffs and the like : en
  • FR902171A - Assembly intended to modulate in frequency or in phase of electrical oscillations : en fr
  • GB571378A - Improvements in a controlling device for fluid actuated percussive tools : en
  • US2382973A - Fastener assembly : en
  • AU855043A - Inertia controlled shock absorber : en
  • US2383239A - Shuttle threading and tensioning device : en
  • AU1070543A - Improvements relating to snap switch plunger constructions : en
  • US2383184A - Traction wheel and chain : en
  • US2383168A - Apparatus for melting glass : en
  • AU2265745A - Improvements in or relating to lifting and pulling mechanism : en
  • USD142235S - Vavrik rotary power hand saw : en
  • USRE22669E - Power operated clutch mechanism : en
  • FR902103A - Monobloc gasifier : en fr
  • US2383018A - Flexible bushing : en
  • US2383355A - Subscriber's calling device in electroacoustic transmission apparatus : en
  • US2383140A - Loom reed : en
  • CA429611A - Permutation keyboard apparatus : en fr
  • GB571335A - A process for the production of adhesives, sizes, thickeners, and finishing agents : en
  • USD142289S - Design foe a jewelry pin or similar article : en
  • CA429496A - Seat and mattress : en fr
  • CA429599A - Synchronous remote control apparatus : en fr
  • FR52917E - Improvements to devices for repeating signals on board rail convoys : en fr
  • AU120280B2 - Method for making cartridge assemblies : en
  • US2382995A - Shock-responsive latching device : en
  • FR902230A - Reinforced beam for floors and terraces : en fr
  • FR902188A - Folding rake : en fr
  • GB571356A - Improvements in and relating to brushing machines, more especially for brushing fired earthenware : en
  • GB571367A - Copolymers : en
  • GB571380A - Improvements relating to beet lifting devices and the like : en
  • US2383374A - Brake mechanism : en
  • USD142276S - Design fob a combined bottle and container : en
  • GB571434A - A portable track or runway for vehicles : en
  • FR902283A - Liquid flow measuring device : en fr
  • US2383409A - Controlling means for gyroscopes : en
  • GB571339A - Production of relief marquetry : en
  • FR902245A - Device for the examination of materials without destruction by means of ultrasound : en fr
  • DK63829C - Procedure for the Production of Ketones from the Sterin Series. : da en
  • AU120277B2 - Improvements in automatic lighters : en
  • CA429543A - Acyl-substituted compound hydrogenation : en fr
  • USD142281S - Design foe a slipper : en
  • US2382985A - Door locking system : en
  • US2383097A - Bituminous coating compositions and processes : en
  • US2383099A - Lubricated gate valve : en
  • US2383415A - Loop antenna apparatus : en
  • AU122905B2 - Method and means forthe manufacture of built-up mica products : en
  • CA429597A - Electric furnace : en fr
  • CA429569A - Motor control system : en fr
  • US2383302A - Liquid purification : en
  • AU120254B2 - A method of anda device for conditioning congealable liquids : en
  • AU131259B2 - Process forthe preparation of long chain linear polymers : en
  • US2383434A - Oxidation removing process : en
  • FR902226A - Viewfinder for cinematographic cameras : en fr
  • US2383214A - Well casing expander : en
  • US2383316A - Geometrical instrument : en
  • GB571329A - Improvements in extractor ventilators for vehicles : en
  • US2383352A - Cheese package : en
  • US2383224A - Mold : en
  • US2383303A - Delayed-start connection for electric motors : en
  • US2383048A - Fire extinguisher : en
  • USD142217S - Design fok a button : en
  • US2382975A - Ball bearing : en
  • DK63843C - Tone arm guide mechanism for Magasing gramophones. : da en
  • AU120276B2 - Improvements in or relating to resins : en
  • FR902158A - Poultry Plucking Machine Plucking Block Improvements : en fr
  • FR52908E - Elastic metal tire to replace the pneumatic tire on vehicle wheels : en fr
  • FR52918E - Telescopic hatch for closing silos, hoppers or similar devices : en fr
  • FR902105A - Automatic play adjustment wheelhouse control : en fr
  • FR902288A - Improvements to stopband filters with two oscillating crystals mounted in parallel in the branches of a bridge : en fr
  • US2383045A - Method and apparatus for sand reclamation : en
  • US2383118A - Method and means for drawing wires : en
  • US2382996A - Combination contact and terminal for electric switches : en
  • US2383013A - Safety catch : en
  • US2383340A - Combination wheel chair, table, and bed : en
  • CA429549A - Phenolic compound : en fr
  • USD142211S - Design fob a table : en
  • AU2261645A - Improvements in or relating tothe preparation of beta-mercaptovaline and metal salts thereof : en
  • USD142220S - Design for a block fob use in : en
  • US2383420A - Thermionic valve circuits : en
  • US2383327A - Electrical system : en
  • US2382954A - Oscillator : en
  • US2382955A - Excavating bucket : en
  • US2383154A - Fastening device : en
  • AU1109243A - A method of anda device for conditioning congealable liquids : en
  • CA429564A - Switchgear apparatus : en fr
  • AU1109343A - A method of and a device for conditioning congealable liquids : en
  • CA429547A - Coating and impregnation composition : en fr
  • US2383295A - Clutch : en
  • CA429580A - Releasing tube adapter : en fr
  • USD142236S - Design for a game board : en
  • CA429566A - Magnet shading coil : en fr
  • US2383357A - Machine tool lubrication system : en
  • US2383405A - Balancing method and apparatus : en
  • USD142261S - Design fob an ironing table : en
  • CA429612A - Printing telegraph transmitter and perforator : en fr
  • USD142241S - Design fob a pocket lighter : en
  • US2383180A - Hydraulic fluid volume compensator : en
  • US2383282A - Traction unit : en
  • FR52911E - Improvements to lighters, lighters and other similar devices : en fr
  • FR52941E - Capacitor for deriving high frequency oscillations of power lines : en fr
  • FR902291A - Safety device suitable for closing trunks, cases, towels and other similar objects : en fr
  • CA429550A - Rubber vulcanization accelerator : en fr
  • FR902153A - Improvements in methods of constructing assembled carbon parts and, in particular, graphite anodes for electric discharge vessels : en fr
  • US2383230A - Manufacture of collapsible tubes and the like : en
  • FR902182A - Signalizer or trigger for electric capacitors for strong currents : en fr
  • FR902227A - Process for manufacturing billhooks and billhooks obtained by this process : en fr
  • DK63849C - Device for High Performance Combustion Machines for Adjusting the Oil Temperature. : da en
  • FR902287A - Machine for spinning plastics and thermoplastics, particularly for coating metal wires, cables, etc. : en fr
  • GB571331A - Improvements in and relating to dial type thermometers : en
  • DK63851C - Cinema Machine for Playback of Tonefilms. : da en
  • GR10439B - GASOLINE LIGHTER. : el en
  • FR902223A - Edible preparation : en fr
  • FR52915E - Improvements in the construction of electric motors specially intended for controlling variable-pitch propellers : en fr
  • FR52920E - Circuit breaker for three-phase asynchronous motor : en fr
  • FR902139A - shelf for telecommunications technology devices : en fr
  • GB571361A - Improvements relating to clamps : en
  • US2383185A - Range finder : en
  • FR902281A - Detergent : en fr
  • FR52940E - Method for using condensation water in steam installations, in particular rail cars, and device for carrying out this method : en fr
  • GB571410A - Improved manufacture of ethyl p-n-butylamino benzoate : en
  • GB571444A - Method and apparatus for making pile fabrics : en
  • FR902274A - Multiple carrier system with selectively different number of channels : en fr
  • FR902246A - Cinematographic projection apparatus with guided carriage and sliding vertically, containing the Maltese cross mechanism : en fr
  • FR902121A - Improvements to containers for extrusion presses for metals and other products, hot, by the so-called extrusion process : en fr
  • FR902133A - Sealing device for timepiece : en fr
  • US2383344A - Purification of gases : en
  • USD142283S - Design for a baby food warmer : en
  • US2383020A - Dress or skirt trimming mechanism : en
  • USRE22667E - Method of making shoes : en
  • CA429568A - Aircraft rectifier system : en fr
  • US2383432A - Internal-combustion engine : en
  • AU2276945A - Improvements in collapsible tubes : en
  • US2383200A - Handhole closure : en
  • USD142265S - Design fob a deportment calendar : en
  • US2383057A - Extraction of hydrocarbons : en
  • US2383190A - Application of ceramic color : en
  • CA429577A - Friction device : en fr
  • FR902135A - Window shutter : en fr
  • GB571362A - Improvements in or relating to tools for press bending tubes or rods : en
  • FR902235A - Device for producing, transmitting or amplifying ultra-high frequency electrical oscillations comprising a feed-through for one or more conductors : en fr
  • US2383287A - Unitary foldable music stand : en
  • US2382983A - Single-phase motor control : en
  • GB571382A - Electromagnetic vibrator and method of making same : en
  • FR902224A - Apparatus for the removal and transport of coals and similar minerals : en fr
  • GB571442A - Improvements in or relating to the manufacture of iron powder : en
  • US2383298A - Slide loop : en
  • US2383354A - Refrigerating apparatus : en
  • USD142231S - Design for a combined bread and butter tray : en
  • US2383178A - Convertible seat structure for cabin cruisers : en
  • DK63841C - Device for price scales for scales with several weighing ranges. : da en
  • FR902149A - Improvements to hydraulic remote control devices : en fr
  • US2383139A - Aircraft : en
  • US2383141A - Wing nut : en
  • US2383376A - Brake arrangement : en
  • US2383087A - Combination mortar : en
  • US2383375A - Brake mechanism : en
  • US2383126A - Spaced wave keying : en
  • US2383384A - Metallurgical induction furnace : en
  • US2383082A - Rivet squeezer and the like : en
  • US2383089A - Device for the construction of tight flange joints in lined apparatus : en
  • FR902263A - Method and device for manufacturing sheet metal pulley rims with multiple grooves for receiving trapezoidal belts : en fr
  • US2383183A - Bottle carrier : en
  • FR902234A - Self-induction coil : en fr
  • US2383090A - Electric insulator : en
  • DK63826C - Washing machine or washing kettle, which also serves for drying the laundry. : da en
  • FR902195A - Cabinet with visible files or hanging files : en fr
  • FR902267A - Improvement of pneumatic mandrels used for local vulcanization of automobile tires : en fr
  • GB571426A - Improvements in or relating to the driving of superchargers of internal combustion engines : en
  • US2383061A - Jack attachment : en
  • BE459457A - : fr
  • LU27709A1 - : en
  • US2383336A - Two-cycle solid-fuel injection supercharged engine : en
  • FR902131A - Caravan or fairground car, perfected : en fr
  • DK63836C - Burner for Liquid Fuel. : da en
  • FR902116A - Improvements to devices for purifying gas from gasifiers intended for all industrial applications and mainly for supplying internal combustion and internal combustion engines : en fr
  • US2383192A - Convertible utility and camp trailer and camp tent : en
  • USD142248S - Design for a safety view mirror : en
  • USD142267S - Screwdriver or similar article : en
  • FR902183A - Motorized vegetable hoe : en fr
  • US2383335A - Trimming tool : en
  • US2383350A - Method and means for producing stocking welt construction : en
  • USD142223S - Jewelry pin or similar article : en
  • USD142208S - Design for a wheeled toy : en
  • FR902113A - Method and device for diamond coating grinding wheels used in particular for grinding machine slides and slides : en fr
  • FR902207A - Potentiometer : en fr
  • CA429511A - Dry shaving apparatus : en fr
  • FR902221A - Double shut-off valve for liquids : en fr
  • AU1139043A - Improvements in or relating to air-break electric circuit-breakers and arc chutes therefor : en
  • CA429585A - Hydrocarbon nitration : en fr
  • US2383246A - Fish lure : en
  • US2383402A - Apparatus for rustproofing the inside of gasometer bells : en
  • AU120258B2 - Improvements in or relating to air-break electric circuit-breakers and arc chutes therefor : en
  • US2383054A - Plug cock : en
  • GB571354A - Improvements in tractor drawn ploughs : en
  • US2383233A - Cage for roller bearings : en
  • US2383186A - Binoculars with polarized light filters : en
  • US2383319A - Production of sulphonyl chlorides : en
  • FR902165A - Automatic diaphragm adjustment device for cameras with objectives mounted on a gun holder : en fr
  • US2382990A - Spring structure : en
  • FR52907E - Peat treatment and drying process : en fr
  • FR902141A - All-glass electronic lamp and process used to manufacture it : en fr
  • FR902257A - Improvements to processes for the anodic oxidation of aluminum and its alloys and application of these improvements : en fr
  • US2383101A - Wheel suspension for motor vehicles : en
  • US2383151A - Saw filing device : en
  • US2383333A - Sweep circuit for cathode ray tubes : en
  • FR902146A - Process and products for combating plant pests : en fr
  • US2383323A - Demodulator device for frequency and amplitude modulation : en
  • US2383026A - Aluminum alloys : en
  • US2383266A - Feed carriage assembly for lathes : en
  • US2383098A - Double-mouthed bottle : en
  • US2383360A - Synchronizing device : en
  • AU120260B2 - Improvements in or relating to hydraulic tele-control devices : en
  • CA429560A - Windlass device : en fr
  • CA429515A - Hair waving comb : en fr
  • AU1113443A - Improvements in or relating to coated sheet material : en
  • US2383203A - Heat-treating system : en
  • CA429571A - Diethylene glycol ether purification : en fr
  • US2383292A - Heat exchange device : en
  • US2383331A - Waffle iron : en
  • US2383124A - Connector : en
  • CA429572A - Engine crankshaft : en fr
  • US2383113A - Means for uniting parts : en
  • CA429603A - Heat-responsive element : en fr
  • US2383194A - Pump : en
  • US2383258A - Typewriting machine : en
  • US2383268A - Method and apparatus for removing the stems and caps from berries and similar types ot fruit, etc. : en
  • US2383334A - Beta amylose-iodine compound and methods for the production of the same : en
  • FR902102A - Harmonic frequency generator : en fr
  • US2383277A - Control apparatus : en
  • US2383430A - Resins : en
  • AU1059543A - Hydraulic press : en
  • US2383422A - Chemical feeding pump : en
  • US2383128A - Acetylsulphanilyl chloride : en
  • USD142240S - Wheel trim or similar article : en
  • USD142244S - Cooking vessel or article of similar nature : en
  • CA429607A - Refrigeration apparatus for air conditioning system : en fr
  • CA429608A - Material handling apparatus : en fr
  • AU1069643A - Curing of polyvinyl butyral : en
  • US2383244A - Automatic drain valve : en
  • FR902260A - Device applicable to composing machines for separating dies to be dispensed : en fr
  • US2383003A - Forced ventilation apparatus : en
  • US2383009A - Garment hanger for bags and like receptacles : en
  • AU2224945A - Improvements in or relating to power transmission mechanism : en
  • GB571308A - Protectors for securing to the soles and heels of footwear : en
  • US2382967A - Gyro rotor and mounting structure : en
  • US2383035A - Aluminous abrasive material : en
  • USD142254S - Tractor housing : en
  • CA429578A - Vapour generator : en fr
  • US2383418A - Escapement : en
  • FR902157A - Polyvinyl chloride isolation process : en fr
  • FR902248A - Insulating material in the form of a sheet of glass fabric interwoven with synthetic resin : en fr
  • GB571307A - Improvements relating to protective treatment for metal surfaces : en
  • AU128785B2 - Improvements in or relating to shelters particularly ofthe readily erectable and demountable type : en
  • US2383346A - Spectrophotometer attachment for eliminating specular reflection : en
  • AU1177843A - Improvements in and relating to insulated wire for electrical purposes : en
  • US2383403A - Circuit breaker : en
  • US2382953A - Infant's folding toilet seat : en
  • US2383245A - Egg separator : en
  • US2383314A - Soldering jig : en
  • FR902213A - Measuring tool : en fr
  • GB571392A - Improvements in and relating to welding manipulators : en
  • FR902154A - Surface-active substances and their preparation process : en fr
  • FR902190A - Improvement to straight saw blades : en fr
  • GB571399A - Improvements in or relating to mops and mop holders : en
  • FR902144A - Machine for classifying cards with perforations or similar distinctive marks : en fr
  • US2383396A - Hat adjusting means : en
  • US2383426A - Automobile crane : en
  • CA429540A - Triazine derivative : en fr
  • US2383232A - Toy : en
  • US2383397A - Device for insertion into keyholes for obstructing same to prevent unauthorized entry : en
  • AU120257B2 - An improved grinding and polishing machine : en
  • US2383114A - Detergent composition : en
  • DK63835C - Procedure for the manufacture of glass containers for incandescent lamps Electron tubes and similar vacuum containers as well as an application compound usable for use in the practice of the procedure. : da en
  • AU969743A - Absorption or adsorption refrigerator : en
  • CA429591A - Breadmaking method : en fr
  • US2383171A - Ammonium salt production : en
  • AU1057643A - Process and apparatus for grading and for coating with comminuted material : en
  • AU1175743A - Improvements in automatic lighters : en
  • US2383296A - Enclosed circuit breaker : en
  • US2383312A - Communication system : en
  • US2383047A - Process and apparatus for the production of plastic sheet material : en
  • FR902191A - Manufacturing process of light absorption layers : en fr
  • US2383148A - Protective grease : en
  • US2383271A - Heddle frame support : en
  • US2382951A - Manufacture of catalysts : en
  • US2382999A - Circulating water channel : en
  • US2383196A - Slack adjusting device : en
  • US2383339A - Inverted primer removal device : en
  • USD142273S - Motor for operating movable farts op an airplane : en
  • US2383310A - Continuous casting apparatus and process : en
  • US2383255A - Chxch : en
  • DK63848C - Shower for Irrigators. : da en
  • AU129744B2 - Improved material surfaced with upstanding flexible pile-like elements of non-solid rubber and method of producing same : en
  • US2383152A - Lubricating device for sewing machine loop-takers : en
  • US2383007A - Lighting fixture : en
  • US2383068A - Bolt and mounting therefor : en
  • US2383274A - Reclosable metal container : en
  • USD142286S - Design for a refuse bag holder : en
  • CA429534A - Fluid flow meter : en fr
  • CA429605A - Catalyst preparation : en fr
  • FR52949E - Control for reversible rolling mill trains powered by controlled grid mutators : en fr
  • DK63834C - Vibration Machine for Filling Fuses with an Extinguishing Media. : da en
  • FR902138A - Improvements to devices with pendant electrodes and individually interchangeable, for electric melting furnaces and, in particular, for glass furnaces : en fr
  • USD142215S - Watch strap or similar article : en
  • FR52922E - Low strain hardening Thomas steel under cold deformation and its manufacturing process : en fr
  • GB571440A - A process and apparatus for moulding seamless hollow articles from sheet pulp : en
  • CA429618A - Formal preparation : en fr
  • US2382969A - Floor polishing device : en
  • US2383401A - Thermostat, safety pilot, and limit control : en
  • US2383074A - Alkamine derivatives of o-alkoxymethyl benzoic acid : en
  • US2382987A - Packaging : en
  • US2383092A - Hydraulic circuit : en
  • US2383187A - Liquid level indicator : en
  • DK63833C - Electric Tumbler Switch. : da en
  • CA429502A - Clutch : en fr
  • USD142226S - Design fob a calcui/ator : en
  • GB571448A - Improvements relating to collapsible metal tubes : en
  • US2383102A - Aerodynamic member : en
  • US2383370A - Sheet metal structure and method of making the same : en
  • GB571334A - Process for the preparation in substance or by metallisation or the like of metal-containing substantive azo dyestuffs : en
  • AU120266B2 - Improvements relating to reciprocating pumps : en
  • USD142233S - Design for a display figure : en
  • US2383308A - Cathode-ray deflecting means : en
  • US2383209A - Condensation device for retorts : en
  • CA429561A - Circuit interrupter : en fr
  • US2383039A - Hospital chair : en
  • US2383359A - Frequency modulation receiver : en
  • US2383143A - Regulating mechanism : en
  • USRE22668E - Safety tank and fuel system for : en
  • GB571453A - Improvements in or relating to insulated electric cables or conductors : en
  • US2383123A - Catalytic process : en
  • USD142219S - Design for a heater or the like : en
  • CA429516A - Di-electric liquid : en fr
  • CA429513A - Inserted tooth tool : en fr
  • DK63838C - Device for Game Drums for Control of the Rope. : da en
  • US2383025A - Heel breasting machine : en
  • US2383410A - Gas heated cooking oven : en
  • US2383195A - Woodworking machine carriage : en
  • US2383095A - Submarine net : en
  • CA429553A - Coating composition : en fr
  • US2383084A - Terpene resins : en
  • FR902117A - Single bellows dry gas meter : en fr
  • FR902187A - Bottle opener : en fr
  • IE18405L - Wheeled toys : en
  • FR902112A - Impedance matching network : en fr
  • GB571446A - Improved device for locking together component container portions : en
  • US2383100A - Slipper : en
  • US2383093A - Fluid pressure generating means : en
  • US2383210A - Game device : en
  • USD142234S - Design for a ring : en
  • CA429539A - Electric switchgear : en fr
  • US2383119A - Demountable rotor : en
  • USD142256S - Design for a merchandise display case : en
  • GB571344A - Improvements in colour photography : en
  • FR902298A - Mixture of thioplasts and fillers, in particular for the manufacture of sheaths for conductors and electric cables : en fr
  • GB571350A - Improvements in or relating to dress shields : en
  • FR902197A - New educational toy : en fr
  • GB571333A - Improvements relating to jet-generating apparatus : en
  • GB571452A - Improvements in short-wave adaptors for radio receivers : en
  • FR902132A - Template for clothing patterns : en fr
  • FR902294A - Sintered metal powder piston ring : en fr
  • CA429500A - Lock nut : en fr
  • GB571341A - Improvements in or relating to looms : en
  • DK63855C - Apparatus for cleaning fine mechanical and similar objects, in particular clockworks and similar powertrains. : da en
  • FR52910E - Improvement in friction transmissions particularly applicable to mopeds : en fr
  • FR902253A - Calibratable setting indicating device : en fr
  • FR902293A - Piston ring for combustion engines : en fr
  • GB571429A - Improvements in or relating to shears, pruners and like cutting tools : en
  • FR902193A - Process for preparing cyclopentan-dione (cyclopentene-2-ol-2-one-1) and cyclopentanol-2-one-1 : en fr
  • GB571379A - An improved locking device : en
  • FR902218A - Assembly and closing process to make a wooden box without the use of spikes, screws or other : en fr
  • FR902130A - Device for maintaining at a certain distance around a pipe, a boiler or any other similar object of circular section to be insulated, an outer casing : en fr
  • US2383017A - Bowling pin setting machine control mechanism : en
  • US2383275A - Vehicle jack : en
  • FR902175A - Mandrel and method for continuously casting metal pipes and hollow ingots : en fr
  • US2383031A - Combined electric razor casing and cord support : en
  • US2383332A - Solenoid construction : en
  • AU120256B2 - Improvements in or relating to coated sheet material : en
  • CA429542A - Gyroscope erecting device : en fr
  • AU1410244A - Radio guiding method and system : en
  • US2383006A - Testing apparatus for link trainer recorders : en
  • US2383016A - Separation process : en
  • US2383251A - Compressor head and governor assembly : en
  • US2383034A - Steam boiler : en
  • US2383283A - Stabilizing phenolic resins : en
  • US2383373A - Plow : en
  • US2383398A - Process for extracting oil from avocados : en
  • FR52930E - Hydrodynamic torque transformer, especially for motor vehicles : en fr
  • US2383019A - Winding element : en
  • DK63852C - Locking device at Doors and Stop Wedge For Use at the same. : da en
  • FR52945E - Gas or electric stove : en fr
  • FR902111A - Improved device for supporting and protecting makeup pencils and the like : en fr
  • US2383320A - Reaction of saturated aliphatic carboxylic acids with sulphuryl chloride and products thereof : en
  • US2383348A - Geometrical instrument : en
  • GB571349A - Improvements in metallic structures for high temperature service : en
  • GB571351A - Improved sealing composition : en
  • GB571366A - Improvements relating to readily cleanable filters : en
  • GB571381A - Improvements in resealing sanitary traps : en
  • FR52948E - Improvements in pipe fittings, valves and more : en fr
  • FR902278A - Improvements to the non-lockability of nuts : en fr
  • CA429530A - Fuel supply system : en fr
  • FR902106A - Method and device for culturing microorganisms : en fr
  • US2383069A - Polymerization of ethenoid monomers : en
  • FR52905E - Mimeograph machine allowing printing of certain lines or paragraphs only : en fr
  • CA429619A - Tennis racket stringing device : en fr
  • US2383030A - Electrical precipitation : en
  • US2383024A - Sign device : en
  • FR902215A - Method for varying the characteristics of an electrical circuit under the influence of temperature variations : en fr
  • GB571401A - An electrode arrangement suitable for resistance welding : en
  • GB571372A - Improvements in or relating to refrigerator systems : en
  • GB571386A - Improvements in the driving mechanism for the rubbing motion of tape condensers of carder engines or condenser cards and the like for woollen, waste and other textile fibres : en
  • GB571352A - Thermo-stable catalysts : en
  • FR902289A - Game imitating football for teaching arithmetic : en fr
  • GB571357A - Improvements in methods of and means for raising sunken ships : en
  • FR902155A - Pressure lubrication system : en fr
  • US2383029A - Vehicle body : en
  • CA429507A - Toy house : en fr
  • FR902203A - Method and devices for frequency multiplication of alternating current : en fr
  • US2383107A - Transmission mechanism : en
  • CA429606A - Refrigeration control for air conditioned passenger vehicles : en fr
  • US2383212A - Shank construction : en
  • CA429595A - Firearm rear sight : en fr
  • US2383188A - Heating apparatus : en
  • CA429576A - Colloidal dispersion treating apparatus : en fr
  • US2383091A - Method of making halogenated ethers : en
  • US2383435A - Clamping device : en
  • USD142250S - Anthony toy fortress : en
  • US2383065A - Fluid filter : en
  • US2383227A - Apparatus for producing laminated structures : en
  • US2383419A - Cattle marker : en
  • CA429582A - Clutch and gearing control : en fr
  • GB571411A - Improvements in or relating to wheels for vehicles : en
  • FR902296A - Differential electrical assembly with rectifiers : en fr
  • US2383343A - Two-cylinder short-wave resonator apparatus : en
  • USD142214S - Design fob a brooch ob similar article : en
  • CA429538A - Sealed envelope testing apparatus : en fr
  • FR902137A - Device for parking a motorcycle or the like : en fr
  • CA429509A - Gear wheel manufacture : en fr
  • US2383293A - Parachute pack : en
  • GB571311A - Improvements in or relating to washing apparatus for producer and other gases : en
  • US2382982A - Toy : en
  • US2383159A - Typographical machine : en
  • USD142288S - Design fob a jewelry pin or similar article : en
  • US2383167A - Drop-side crib : en
  • US2382970A - Support : en
  • US2383423A - Air purifying and conditioning system : en
  • US2383242A - Brake cylinder release means : en
  • CA429535A - Gear shifting mechanism : en fr
  • CA429525A - Ham processing : en fr
  • CA429526A - Phenol recovery : en fr
  • US2383040A - Exothermic reaction charge : en
  • US2383382A - Vibratory electromagnetic apparatus : en
  • USD142213S - Design fob a doll : en
  • USD142245S - Handle for cooking vessels and the like : en
  • US2383033A - Lubricants : en
  • US2383071A - Trim ring : en
  • US2382978A - Capsule : en
  • US2382997A - Bias cutting machinery : en
  • US2383051A - Interlocking transfer bridge or crane : en
  • USD142242S - Design for a kitchen cabinet : en
  • FR902264A - Milling machine with fixed tool and feeler mounted : en fr
  • FR902184A - Improvements to stopper caps for bottles, flasks and other containers : en fr
  • US2383380A - Pneumatic punch : en
  • US2383264A - Azo dyestuffs from 5-amino coumaran : en
  • US2383106A - Wettable and dispersible thiocarbanilide : en
  • US2383041A - Bench back : en
  • US2383012A - Safety catch : en
  • AU925343A - Improved process and apparatus for producing laminated bodies and articles therefrom having a basis of vegetable fibres : en
  • LU27710A1 - : en
  • US2383191A - Application of ceramic color : en
  • US2383267A - Nonskidding device : en
  • FR902110A - Medical device : en fr
  • GB571326A - Improvements relating to spring snap catches for cupboard and like doors : en
  • AU1043543A - Improvements in or relating tothe manufacture of 4-hydroxy-aa diethyldibenzyl : en
  • CA429594A - Firearm rear sight : en fr
  • FR902194A - Agents used to control pests living in the soil : en fr
  • GB571304A - Improvements in submerged resistor induction furnaces : en
  • USD142209S - Insignia pin orx similar article : en
  • FR902244A - Tilting agitator : en fr
  • GB571436A - Improvements relating to the heat treatment and plasticisation of rubber : en
  • US2383028A - Expanding tool : en
  • US2383163A - Scaffold : en
  • FR52942E - Process for obtaining coatings of phosphates on metals : en fr
  • GB571439A - Mounting projections on a rotatable member : en
  • FR902225A - Turbine locomotive with mechanical power transmission : en fr
  • GB571345A - Improvements relating to high-frequency supply circuits for electrical discharge devices : en
  • FR902237A - X-ray tube with a rotating anode : en fr
  • USD142225S - Design fob a jewelry pin ob similar article : en
  • FR902151A - Signaling device for roads, railways or any other applications involving sound or light transformation of waves : en fr
  • DK63828C - Procedure for the production of reductic acid. : da en
  • USD142237S - Design fob a sun visor : en
  • US2383158A - Typographical composing and distributing machine : en
  • FR902127A - Classification sheet : en fr
  • FR902297A - Process for the manufacture of a ureo-formaldehyde condensation product : en fr
  • CA429555A - Plastic material welding device : en fr
  • US2383052A - Shoe : en
  • US2383265A - Snubber : en
  • US2383023A - Spray coating machine : en
  • US2383211A - Spring nut : en
  • GB571316A - Fastening means and operating means of sliding doors : en
  • US2383181A - Apparatus for inducing respiration : en
  • US2383269A - Weight and capacity testing device : en
  • CA429546A - Nitro compound production : en fr
  • GB571309A - Improvements in kneading, mixing, mincing or like machines for kitchen use : en
  • GB571347A - Bogie unit for use in conjunction with agricultural and like machines : en
  • GB571365A - Improvements in or relating to ship's form : en
  • US2383162A - Sleeping car room arrangement : en
  • US2383176A - Art of distilling spirituous liquors : en
  • US2383058A - Portable container : en
  • US2383170A - Universal vise : en
  • US2383219A - Control apparatus : en
  • AU1168343A - Apparatus for utilizing the power of seawaves to drive machinery or the like : en
  • USD142270S - Design for a playing card distributor : en
  • US2383324A - Reciprocating pump : en
  • CA429518A - Mixing apparatus for foods, etc. : en fr
  • AU120278B2 - Inertia controlled shock absorber : en
  • CA429593A - Sheave mounting for oil well masts : en fr
  • US2382986A - Road roller : en
  • CA429573A - Collar can with indentures : en fr
  • US2383337A - Extensible battery cell holder for electric lanterns : en
  • US2383364A - Air cleaner : en
  • US2383393A - Acyl quinone sulphonamides as printing aids : en
  • CA429614A - Fluid pressure stuffing box : en fr
  • USD142257S - Design for a rocking toy or similar article : en
  • US2383223A - Searchlight : en
  • US2383279A - Dealkylation of alkylphenols : en
  • AU129499B2 - Polyvinyl acetal resins : en
  • FR52916E - Cargo ship building system and others : en fr
  • FR902148A - Indication transmitter : en fr
  • US2383342A - Hollow propeller : en
  • US2382979A - Viscometer : en
  • US2383072A - Producing toluene : en
  • US2383157A - Spring construction for mattresses and the like : en
  • USD142239S - Design fob a chair : en
  • US2383377A - Column head for batch fractionating columns : en
  • USD142224S - Jewelry pin or similar article : en
  • US2383366A - Bag holder : en
  • US2383208A - Cutting machine : en
  • US2383225A - Aircraft manufacture : en
  • CA429506A - Rotary engine : en fr
  • CA429558A - Circuit interrupter : en fr
  • DK63844C - Heat quantity meters according to the Evaporation principle. : da en
  • USD142252S - Design for a fan casing : en
  • FR902249A - Process for triggering the sound signal and changing the characters of teletypes : en fr
  • GB571371A - Improvements in or relating to shoe upper conforming machines : en
  • FR902125A - Dual-control, automatic and manual contactor device : en fr
  • FR902126A - Fast telegraph device : en fr
  • FR902241A - Process for the preparation of a water soluble product from natural rubber, gutta-percha, balata and the like : en fr
  • AU120255B2 - A method of and a device for conditioning congealable liquids : en
  • US2383338A - Remote control system for radio receivers : en
  • FR902177A - Cinematographic apparatus in the form of a suitcase, apparatus in which the lamp cage is fixed in an easily removable manner : en fr
  • US2382959A - Newspaper vending machine : en
  • US2383236A - Anthraquinone derivatives : en
  • USD142262S - Combined field desk and trunk : en
  • FR902211A - Improvements to mounting methods for eliminating crackles and hiss : en fr
  • FR902279A - Device for automatic limitation of the intensity of the current in static converters arranged for operation as rectifiers and inverters : en fr
  • FR902145A - Device for fixing an axis or a shaft to a plate : en fr
  • US2383260A - Typewriting machine : en
  • CA429570A - Cellulose ether derivative : en fr
  • US2383407A - Agricultural implement : en
  • AU120272B2 - Hydraulic press : en
  • US2383059A - Fluid pump : en
  • US2383120A - Purification of sulphonated products : en
  • GB571422A - Improved device for minimising or counteracting the effects of smoke for use with fire fighting and like pumps : en
  • GB571423A - Improvements in or relating to furnaces for the heat treatment of metals : en
  • US2382958A - Fluid-operated work-holding vise : en
  • GB571323A - Improvements in electro-magnetic torque transmitters such as slip couplings and brakes : en
  • US2383386A - Agricultural implement : en
  • FR902167A - Method for reinforcing the windings of electrical apparatus and machines : en fr
  • DK63831C - Base plate with spring wedge for attachment of railway rails. : da en
  • GB571428A - Improvements relating to screw and nut fastenings : en
  • FR902286A - Lighter : en fr
  • FR902299A - Installation for the control of sources associated with a water supply service : en fr
  • US2383217A - Secret garment pocket construction : en
  • FR902231A - Improvements to the vats for all drinks : en fr
  • GB571419A - Improvements in metal elbows and bends for use in couplings for flexible hose : en
  • GB571389A - Improved composition or solution for use in developing and fixing photographic films, plates and the like : en
  • GB571458A - Improved variable electrical resistance : en
  • FR902156A - Perforated cylinder for extracting water by suction from strips of pulp and the like : en fr
  • GB571438A - Improvements in or relating to the heat treatment of metal articles : en
  • IE16834L - Radio transmitter-loud-speaker installation : en
  • US2383285A - Engine frame : en
  • US2383378A - Joint construction : en
  • GB571342A - Improvements in and relating to magneto ignition or other electrical machines : en
  • GB571348A - Flexible pocket receptacles : en
  • GB571355A - Improvements in or relating to collapsible boxes, cartons or baskets made of cardboard or like materials : en
  • CA429536A - Musk product : en fr
  • GB571374A - Improvements in the construction of containers for instruments, meters, clocks or other articles having a dial or other part to be viewed : en
  • FR52925E - Improvements to the methods of adjusting a direct voltage applied to a user device : en fr
  • USD142260S - Design for a fan propeller : en
  • FR902107A - Voltage regulator with scale or voltmeter relay and comprising mercury switches : en fr
  • GB571305A - Improvements in and relating to electrolytes for electric batteries or accumulators : en
  • USD142290S - Design for an earring : en
  • GB571383A - Improvements in or relating to solid lubricants for use in metal-drawing and cold-rolling operations : en
  • USD142238S - Design for a tax form device : en
  • GB571427A - Improvements relating to spinning, doubling and like spindles : en
  • US2383038A - Airing of antitorque propellers : en
  • FR52903E - Continuous and unlimited force movement until it wears out : en fr
  • FR902220A - Device for driving a rotating member : en fr
  • US2383066A - Filter unit and method of making the same : en
  • GB571321A - Improvements in or relating to direct-recording oscillographs : en
  • FR902160A - Click system for electrical switches : en fr
  • USD142291S - Spoon or similar article op flatware : en
  • GB571407A - Improvements in or relating to electromagnetic devices : en
  • GB571404A - Improvements in and relating to radio receiver circuits : en
  • US2383329A - Protective system : en
  • GB571376A - Improvements in or relating to milling machine control gear : en
  • GB571459A - Improvements in or relating to grabs and like devices : en
  • US2382988A - Photographic printing machine : en
  • US2383133A - Method of forming fastening devices : en
  • US2383257A - Typewriting machine : en
  • US2383427A - Calcium stannate refining : en
  • FR902205A - Battery of electric cells : en fr
  • DK63830C - Process for the Preparation of Water-Soluble Derivatives of p-Aminobenzol Sulfonamides. : da en
  • FR902209A - Elastic wheel : en fr
  • GB571447A - Improvements in control systems for hoist motions of electric cranes and the like : en
  • AU120267B2 - Improved process and apparatus for producing laminated bodies and articles therefrom having a basis of vegetable fibres : en
  • AU130193B2 - Improvements in and relating to window and like frames : en
  • US2383313A - Protection apparatus : en
  • DK63839C - Living room with built-in Boiler. : da en
  • US2383199A - Hose clamp : en
  • FR902266A - Pliers for pressing junction staple hooks : en fr
  • US2383067A - Luminescent cast synthetic resin articles : en
  • FR902216A - Automatic part dispensing device for cutting, stamping, forming, etc. tools with multiple and simultaneous operations : en fr
  • FR902198A - Liquid gauging and flow system, with filter, pump, air separator, measuring device and control glass : en fr
  • FR902233A - Photographic recording of oscillations : en fr
  • US2383413A - Planter : en
  • FR902174A - Method and device for coiling a wire : en fr
  • FR902271A - Suspended classification file, classification card or similar object, or body carrying such an object : en fr
  • GB571312A - Improvements in or relating to liquid-level-indicating gauge tube mountings : en
  • US2383081A - Oracle card game : en
  • US2383291A - Heat control device : en
  • US2383385A - Jet propulsion power plant : en
  • FR52938E - Method and device for obtaining reactions between metal oxides or oxidic ores and coal : en fr
  • FR52936E - Assembly for telecommunication links with selective calling between power line devices using recording devices : en fr
  • GB571358A - Process for improving the tensile strength of yarns and cords composed of cotton fibres : en
  • FR902222A - Method for establishing metal wire seals in glass plates : en fr
  • CA429505A - Stoker controlling system : en fr
  • US2382972A - Time-controlled electric switch : en
  • CA429512A - Asbestos pad : en fr
  • AU120259B2 - Apparatus for utilizing the power of seawaves to drive machinery or the like : en
  • US2383014A - Electricity conductor unit : en
  • US2383070A - Dry milk product and the preparation thereof : en
  • US2383201A - Work-holding and positioning means : en
  • FR52939E - Device for reducing variations in reactive power in static rectifier installations : en fr
  • US2383220A - Manufacture of red lead : en
  • US2383356A - Firearm : en
  • US2383050A - Multiple operation toolhead : en
  • US2382981A - Method of and apparatus for testing : en
  • US2383049A - Slide loop : en
  • GB571363A - Improvements in extruded products made from lead alloys : en
  • US2383021A - Ophthalmic mounting : en
  • GB571402A - Improvements in and relating to lamps for motor road vehicles : en
  • US2382994A - Electric maneuvering board : en
  • USD142258S - Design for a radio dial : en
  • FR902229A - Measurement heterodyne for debugging and adjusting high frequency circuits of t stations. s. f. : en fr
  • US2383286A - Loop input system for radio receivers : en
  • FR902142A - Detector : en fr
  • GB571445A - An improved lubricating grease composition : en
  • US2383008A - Work positioning apparatus : en
  • GB571373A - A new or improved pipe-sealing clamp : en
  • US2383136A - Double-action piston rod : en
  • US2383304A - Insecticidal mixture : en
  • AU1005443A - Stereophonic radio system : en