• US2372909A - Card punching machine : en
  • US2372952A - Condensate reclaiming system : en
  • USD140713S - Design for a palm reading scale : en
  • US2372764A - Bearing mount for papermaking machines : en
  • US2372716A - Locating key : en
  • US2373036A - Method of casting ingots : en
  • CA426528A - Aircraft engine mounting : en fr
  • GB568387A - Improvements in high vacuum distillation process and apparatus : en
  • US2373060A - Die stamping : en
  • US2372919A - Building construction : en
  • CA426569A - Seismic exploration method : en fr
  • US2372657A - Side drive for rear wheels : en
  • DK63339C - Device for Smelting Furnaces for Zinc or other Low Melting Metal. : da en
  • DK63340C - Pneumatically Powered Publisher For Use in Photocopying. : da en
  • DK63327C - Device for Countercurrent Boilers, which have been converted into Sub-Combustion Boilers. : da en
  • CA426499A - Airplane propeller blade mounting : en fr
  • CA426556A - Staple remover : en fr
  • US2372714A - Adjustable propeller : en
  • FR897865A - Improvements to feedback amplifiers : en fr
  • DK63329C - Plastics based on cellulose esters of organic acids and alkyd resins. : da en
  • FR897922A - Binder for flat objects : en fr
  • DK63322C - Coupling to Simultaneous Automatic Bass Highlighting and Trimming of the Higher Tones in the Low Frequency Parts of Radiophone Receivers. : da en
  • DK63338C - Rooster, in particular for dairy use, with a Rooster Told elastically clamped between two Gaskets. : da en
  • FR897972A - Floatless carburettor for internal combustion engines : en fr
  • CA426536A - Plug and socket connection : en fr
  • CA426603A - Implement for working the soil : en fr
  • US2372804A - Antiaircraft mine : en
  • US2373023A - Sectional sliding door : en
  • AU131175B2 - y "Improvements in or relating to electric signalling systems : en
  • US2372806A - Wall connection for collapsible containers : en
  • GB568452A - Improvements in or relating to the manufacture of electric vacuum tubes : en
  • US2372873A - Hardening of gelatin : en
  • USRE22627E - Agricultural implement : en
  • US2372658A - Bituminous emulsion and process of preparing same : en
  • CA426519A - Flock-coated die : en fr
  • US2372795A - Method of making heat exchange devices : en
  • US2372798A - Conveyer : en
  • US2372775A - Automatic ironing machine : en
  • US2372998A - Garment hanger : en
  • DK63328C - Apparatus for rapid Heating of Premises. : da en
  • US2372826A - Filing machine : en
  • US2373054A - Sucker rod wrench : en
  • US2372711A - Conversion of hydrocarbons : en
  • USD140741S - Design for a bottle : en
  • FR897860A - Flexible wire mesh hose, galvanized wire : en fr
  • US2372856A - Method of making archery target butts and machinery therefor : en
  • US2373040A - Combined printing and developing machine : en
  • US2372945A - Distributing valve for pneumatic tools : en
  • FR897937A - Method for measuring harmful emission in electronic tubes : en fr
  • FR897901A - Further development of diaphragm compressors : en fr
  • US2372723A - Method of improving the stress distribution in multilayer high pressure cylinders : en
  • US2373038A - Process of making reinforced gas flasks : en
  • US2372656A - Flow intermitter : en
  • FR897823A - Process for the preparation of condensation products : en fr
  • FR897982A - Injection pump for internal combustion engines : en fr
  • CA426542A - Ferricyanide manufacture : en fr
  • FR897998A - Method for producing light and apparatus for its implementation : en fr
  • FR897826A - Automotive windshield wipers : en fr
  • FR897916A - ejector connected to the exhaust line of an internal combustion engine : en fr
  • CA426476A - Shaft and caisson mucking machine : en fr
  • US2372978A - Electric egg cooker : en
  • FR897854A - Product to fight fungal pests on living plants : en fr
  • US2372969A - Compact case : en
  • FR897984A - Improvements to isobarometric liquid printers : en fr
  • US2372890A - Filter controlled photographic recording equipment : en
  • US2372891A - Mounting device for wheels : en
  • US2372663A - Anthraquinone compounds and material colored therewith : en
  • US2372922A - Clutch clasp for studded buttons, etc. : en
  • USD140740S - Wheeled tray or similar article : en
  • US2372964A - Electric valve control system : en
  • US2373043A - Method of depressuring catalystcontaining chambers : en
  • US2372735A - Packaging wrapper and method of producing the same : en
  • GB568436A - Improvements in or relating to variable inductance devices and variable permeabilitytuning arrangements : en
  • GB568409A - Improvements in and relating to electro-magnetic clutches or brakes : en
  • GB568383A - Improvements in and relating to electric protective devices : en
  • CA426456A - Valve : en fr
  • FR897806A - Shipping and protective container for bottles and goods of all kinds : en fr
  • GB568434A - Improvements in garment hangers : en
  • CA426488A - Universal spring hooking and looping machine : en fr
  • USD140712S - Design fob a bracelet : en
  • US2373052A - Motion picture projector apparatus : en
  • CA426530A - Tool holder : en fr
  • DK63330C - Apparatus for continuous production of linear, synthetic, high-polymer compounds, in particular polyamides. : da en
  • US2372954A - Handle : en
  • US2372817A - Transmission : en
  • US2372702A - Speed control mechanism : en
  • US2372813A - Windshield wiper : en
  • US2372852A - Press opening device : en
  • AU2002445A - Specification not printed : en
  • US2372886A - Typewriting machine : en
  • USD140721S - Design fob a velocipede frame member : en
  • FR897801A - Electric light meter for cameras : en fr
  • US2372780A - Taping machine : en
  • CA426597A - Concrete construction process : en fr
  • US2372727A - Work-holding device : en
  • USD140710S - Back for billfold or similar article : en
  • US2372645A - Guide for applying insulation to conductors : en
  • US2372722A - Apparatus for polishing : en
  • GB568497A - Improvements in adjustable presser pads for use on the printing heads of addressing machines and like printing machines : en
  • CA426462A - Ski binding : en fr
  • US2373051A - Liquid-operated classifier : en
  • DK63341C - Apparatus for drying the fuel for vehicles powered by wood gas. : da en
  • US2373010A - Bag closure : en
  • CA426531A - Implement draft device : en fr
  • US2372728A - Mounting for machine guns or small cannon for airplanes : en
  • US2372784A - Cutting apparatus : en
  • US2372788A - Severing apparatus : en
  • US2372883A - Two-speed propeller drive : en
  • US2372899A - Bottle filler and siruper : en
  • US2373068A - Rodent trap : en
  • USD140729S - Design for a clothespin : en
  • GB568462A - Improved bouquet foundation holder : en
  • US2372796A - Linter : en
  • US2372808A - Esters of poly-beta-carboxyalkyl ethers of polyhydric alcohols : en
  • GB568493A - Improvements in mechanical hammers and other percussion tools : en
  • USD140724S - Design fob a lapel pin : en
  • GB568408A - Improvements in and relating to dynamo-electric machines : en
  • US2373029A - Mechanism for dispensing stacked articles : en
  • CA426554A - Tabulating mechanism : en fr
  • US2372667A - Variable speed means for variable pitch propeller systems : en
  • FR897892A - Rapid extinguishing device for gasifiers : en fr
  • US2372640A - Water purifying and softening apparatus : en
  • GB568469A - Improvements in glass of low thermal expansion : en
  • GB568445A - Improvements relating to fluorescent material : en
  • US2372682A - Wire supporting clip : en
  • US2373009A - Fire-foam producing apparatus : en
  • USD140757S - Photographic viewing and printing cabinet : en
  • GB568411A - Improvements in electronic valves : en
  • FR897955A - Process for converting aqueous nitric acid of sub-eutectic strength into aqueous nitric acid of over-eutectic strength to the vicinity of the monohydrate : en fr
  • US2373033A - Smooth surface fibrous article : en
  • GB568479A - Improvements in the manufacture of wire piston and other rings : en
  • US2373000A - Garment hanger : en
  • CA426561A - Liquid flow equalizer : en fr
  • CA426591A - Ultra-sonic testing apparatus : en fr
  • US2372800A - High-pressure vessel : en
  • US2372717A - Loose-leaf filing device : en
  • US2372676A - Opposed-piston engine : en
  • USD140711S - Design for a coin chute : en
  • US2372646A - Conveying mechanism : en
  • US2372920A - Valve for pneumatic tools : en
  • FR897924A - Manufacturing process for composite castings : en fr
  • USD140718S - Accessory unit for cooking stoves : en
  • US2372726A - Check valve device : en
  • USD140708S - Child s bubble pipe or the like : en
  • US2373076A - Oven mechanism : en
  • US2372719A - Countersinking drill : en
  • US2372670A - Production of alkali metal hydride : en
  • US2372801A - Selector switch : en
  • CA426502A - Polymer production : en fr
  • GB568446A - Improvements in voltage stabilising circuits : en
  • FR897870A - Iodine extraction process : en fr
  • FR897890A - Improvements to electric heat storage heaters : en fr
  • FR897913A - Improvements in thiokol preparation processes : en fr
  • US2373074A - Hanging display : en
  • FR897848A - Diagram recording device : en fr
  • FR897989A - Truck, especially automobile : en fr
  • FR897877A - New way of storing and using liquefied gases : en fr
  • US2372668A - Process for selective absorption : en
  • DK63334C - Piston straw press. : da en
  • US2372803A - Anchoring means for vehicle seats : en
  • USD140747S - Glass candle holder or article of similar nature : en
  • CA426567A - Hydrocarbon cyclization : en fr
  • US2372966A - Electric translating apparatus : en
  • US2372907A - Packing ring : en
  • US2372870A - Machine for gathering and stacking materials such as hay and the like : en
  • CA426505A - Modified resin : en fr
  • CA426572A - Multi-layer vessel : en fr
  • US2372763A - Tying machine for elongated packages : en
  • FR897925A - Method and apparatus for packaging powdery materials : en fr
  • US2373032A - Electrolytic decomposing gas generator : en
  • US2372858A - Electric shock preventer : en
  • CA426498A - Sleeper coach : en fr
  • FR897839A - Process for the acid treatment of extraction liquid from cellulosic material for fermentation or for the production of yeast : en fr
  • FR897993A - Process for the preparation of cyclic amides : en fr
  • GB568489A - A draught excluder for doors : en
  • FR897845A - Automatic coupling for vehicles, in particular for wagons : en fr
  • FR897911A - Mosquito repellent and manufacturing process : en fr
  • CA426541A - Snap switch overtravel mechanism : en fr
  • USD140751S - Design foe a chair or similar article : en
  • CA426479A - Coffee substitute : en fr
  • FR897965A - Process for preparing concentrated caustic alkaline liquors which remain clear when diluted : en fr
  • GB568475A - Improvements in and relating to shelf-supporting brackets : en
  • CA426595A - Bituminous material manufacture : en fr
  • CA426583A - Locking mechanism : en fr
  • CA426465A - Airscrew blade securing means : en fr
  • CA426477A - Cleaning device for hygienic purposes : en fr
  • US2372713A - Fibrous product and method of making the same : en
  • US2372744A - Automobile front wheel suspension : en
  • CA426605A - Stamp dispensing machine : en fr
  • DK63332C - Methods and Devices of Apparatus for the Generation of Precise Specific Heat Amounts for Calorimetric Purposes. : da en
  • CA426468A - Mechanical shorthand writing means : en fr
  • FR897900A - Elastic interlocking assembly member and its manufacturing process : en fr
  • FR897950A - Metal piston, or pump bucket : en fr
  • US2372979A - Piston ring : en
  • US2373072A - Rigid frame bridge and method of making the same : en
  • US2372925A - Flight : en
  • US2372902A - Baled hay loader : en
  • GB568410A - Improvements relating to remote control installations : en
  • US2372862A - Power unit for food processors : en
  • US2372882A - Card sensing machine : en
  • AU129639B2 - Improvements in and relating to propelling mechanism : en
  • CA426516A - Interpolymer : en fr
  • FR897894A - New braking system : en fr
  • CA426506A - Halogenated polymer of ethylene : en fr
  • CA426451A - Lighting and extinguishing means for candles : en fr
  • GB568467A - Improvements in and relating to hand stamps for endorsing and the like : en
  • FR897829A - Process for producing artificial stones : en fr
  • CA426472A - Furnace and stoker : en fr
  • US2372712A - Butt-welded joint between lined parts : en
  • CA426521A - Electrolytic apparatus and process : en fr
  • US2372839A - Air conditioning system : en
  • FR897919A - Body support device, in particular for motor cars : en fr
  • US2372734A - Transmission : en
  • USD140749S - Sfoon or other article of flatware : en
  • FR897891A - Improvements to processes and devices for starting AC motors : en fr
  • US2372935A - Photographic coating layer : en
  • FR897811A - Manufacturing process of photographic papers : en fr
  • US2372921A - Cable layer : en
  • US2373071A - Slip cover : en
  • CA426491A - Rotating member temperature and strain responsive apparatus : en fr
  • US2372787A - Work holder for lathes : en
  • GB568442A - Improvements in dripping or roasting tins : en
  • CA426574A - Zirconium oxide refractory : en fr
  • CA426604A - Flexible wheel caster : en fr
  • US2372748A - Fluid coupling : en
  • US2372797A - Condensation products : en
  • US2372802A - Seat securing means : en
  • FR897807A - Process for manufacturing luminescent oven-enamelled signs : en fr
  • FR897986A - Process for restoring photophonic recordings on color film : en fr
  • GB568454A - Improvements in and relating to electrolytic polishing : en
  • US2372647A - Mechanical breakdown : en
  • CA426485A - Paper manufacture : en fr
  • FR897896A - Ignition device for lighters and the like : en fr
  • US2372970A - Projectile : en
  • GB568420A - Improvements in hoes or the like : en
  • GB568381A - An improved starting device for internal combustion engines : en
  • FR897991A - Amino Acid Preparation Process : en fr
  • US2372769A - Washing machine : en
  • FR897962A - Visual photometer, in particular light meter : en fr
  • FR897831A - Large volume refrigerated wagon : en fr
  • FR897942A - Method and device for filling the mold in the manufacture of slabs with wood chips or the like bonded with cement : en fr
  • GB568386A - Improvements in thermostatically controlled ventilators : en
  • FR897973A - Trichromatic subtractive positive film with a layer on both sides and having a keyframe placed on the side of the film facing the light source : en fr
  • FR897933A - Improvements to electronic lamps and, in particular, to those intended for short waves : en fr
  • GB568406A - Improvements in and relating to lamp shades and their method of manufacture : en
  • GB568476A - Improvements in or relating to the control of selectors such as used in automatic telephony : en
  • GB568421A - Improvements in or relating to cut-outs : en
  • US2372838A - Cleansing mass and method of : en
  • FR897912A - Wooden or plastic construction box : en fr
  • US2372842A - Brake operator : en
  • US2372792A - Panel structure and elements thereof : en
  • US2373012A - Process and apparatus for molding bread dough : en
  • US2372944A - Vacuum cleaner : en
  • GB568413A - Improvements in and relating to hoods for the cockpits of aeroplanes : en
  • FR897887A - Improvement in rotary agglomeration presses : en fr
  • US2373048A - Hoist : en
  • FR897810A - Process for regulating the quantity of aphrogenic product which is to be added to water to produce air foam intended for extinguishing fires : en fr
  • USD140745S - Design for a scabbard or the like : en
  • US2372737A - Torch for welding thermoplastic material : en
  • US2372778A - Circuit breaker : en
  • AU1996545A - Improvements relating to riveting apparatus : en
  • US2372771A - Watch : en
  • CA426523A - Elevator control system : en fr
  • FR897929A - Method for packaging pourable or fibrous materials, or lumpy articles : en fr
  • US2373055A - Gasoline mixture indicator : en
  • US2372840A - Temperature responsive resistance element : en
  • FR897898A - diffusing screen for viewing images from optical systems : en fr
  • GR10337B - POLYMERS ELECTRIC RADIATOR. : el en
  • FR897995A - Process for separating the solid part from the liquid part in complex materials : en fr
  • US2372662A - Portable hardness testing instrument : en
  • GB568457A - Improvements in or relating to instrument type electrical relays : en
  • US2373026A - Device for measuring specific volume : en
  • US2372973A - Staking tool : en
  • CA426560A - Garment : en fr
  • CA426467A - Coffee processing : en fr
  • US2372992A - Waste heat boiler : en
  • CA426562A - Radio frequency filter : en fr
  • US2372751A - Cooking grill : en
  • US2373017A - Hospital bed : en
  • CA426557A - Printing press gripper mechanism : en fr
  • US2372765A - Exhaust concealing and silencing device : en
  • US2372749A - Mounting means for motor fan units of suction cleaners : en
  • US2372974A - Camera shutter operating : en
  • US2372752A - Collar stiffener : en
  • AU125496B2 - Improvement in transmission line junctions : en
  • CA426544A - Phonograph stop mechanism : en fr
  • USD140706S - Design fob a liquid eductor : en
  • FR897923A - Presentation device for series of rectangular, framed devices : en fr
  • GB568480A - Improvements in electric lighting fittings : en
  • FR897979A - Process for collecting the substances entrained with the oxygen-laden gases required for the oxidation of paraffin : en fr
  • CA426504A - Polyvinyl ketal : en fr
  • DK63331C - Method for Removing Dissolved Gases from Aluminum Alloys. : da en
  • FR897850A - Process for polymerizing olefins : en fr
  • US2373003A - Method of producing quinones : en
  • GB568461A - Improvements in and relating to electrical instruments and relays : en
  • US2372742A - Apparatus for moistening gummed articles : en
  • FR897818A - Multiple fuse with automatic replacement : en fr
  • FR897903A - Improvements to telegraphic distorsiometers : en fr
  • US2372673A - Fabric : en
  • USD140720S - Design foe a tot boat : en
  • FR897812A - Mounting device for AC telegraphy : en fr
  • FR897917A - Method for assembling a sheet metal hollow body with a filling part : en fr
  • US2372821A - Harvester : en
  • US2372949A - Paper roll holder : en
  • CA426458A - Coffee brewer : en fr
  • GB568398A - Improvements in and relating to hydraulically-controlled variable-pitch screw propellers : en
  • GB568401A - Improvements in or relating to spinning machines : en
  • FR897837A - Material for bonding polyamides to natural or synthetic rubber : en fr
  • FR897941A - Centrifugal coupling : en fr
  • FR897994A - Process for the preparation of linear superpolycondensates : en fr
  • GB568389A - Improvements in and relating to the removal of sludge from steam boilers : en
  • FR897885A - Vehicle capable of being operated by an animal : en fr
  • FR897936A - Process for making a durable, electrically conductive junction of porous conductors, in particular of carbon, either with each other or with metallic conductors : en fr
  • FR897927A - Light tile masonry panel : en fr
  • GB568380A - Modified butadiene polymers and method of making the same : en
  • GB568390A - Improvements relating to frequency relays : en
  • GB568484A - Improvements relating to oil retaining and dirt excluding seals for use in machinery : en
  • CA426495A - Aircraft engine installation : en fr
  • US2372928A - High-tension apparatus : en
  • GB568402A - Improvements in or relating to the synthesis of organic compounds : en
  • FR897963A - Method and device for the recovery and purification of carbon disulphide : en fr
  • CA426537A - Speed limiting device for hydraulic turbine rotors : en fr
  • US2372753A - Laundry extractor : en
  • US2372767A - Method for making templates and the like : en
  • AU2000445A - K Improvements in or relating to apparatus for detecting explosive gases : en
  • CA426510A - Organic liquid distillation process : en fr
  • CA426585A - Rubber hydrochloride : en fr
  • US2372782A - Selector switch : en
  • US2372889A - Self-locking nut structure : en
  • US2372894A - Glue feeder for veneer machines : en
  • CA426466A - Diamond tool : en fr
  • US2372814A - Tape for use in manufacture of lamp shades : en
  • US2372743A - Gaff hook : en
  • CA426501A - Aqueous dispersion : en fr
  • AU130546B2 - K Improvements in or relating to apparatus for detecting explosive gases : en
  • DK63333C - Fabric coated Button made of Plastic. : da en
  • AU130304B2 - L Improvements in or relating to walls, roofs, floors and ceilings : en
  • USD140705S - Design fob a poster panel : en
  • US2373002A - Nut for ear ornaments : en
  • US2373004A - Method of removing weakly acidic bodies from hydrocarbon oils : en
  • CA426513A - Textile processing and composition : en fr
  • US2372679A - Coated sheet product : en
  • US2372708A - Package container : en
  • USD140722S - Design fob an earring or similar article : en
  • CA426517A - Horticultural and agricultural mixture : en fr
  • CA426509A - Interpolymer of styrene and product : en fr
  • US2372977A - Hinge : en
  • US2372643A - Coating compositions : en
  • US2372681A - Combined typewriting and computing : en
  • GB568378A - Improvements in or relating to transmission lines for ultra high radio frequencies : en
  • GB568455A - Improvements in spark plugs for internal combustion engines : en
  • US2372747A - Cockroach capturing device : en
  • US2373044A - Fuels for combustion : en
  • US2372809A - Thiocyano ether alcohols : en
  • US2373056A - Precision balance : en
  • US2372895A - Vulcanization of rubber : en
  • US2372699A - Cutting machine : en
  • US2372953A - Burner : en
  • FR897804A - Hand-operated device, in particular dynamo : en fr
  • CA426547A - Knitting method : en fr
  • US2372905A - Engine nacelle : en
  • CA426454A - Celestial navigation apparatus : en fr
  • DK63343C - Axle Bearing or Tap Bearing for Toy Vehicles. : da en
  • US2372745A - Wiping solder alloys : en
  • US2372757A - Timing device : en
  • US2372994A - Label : en
  • US2373070A - Clip : en
  • US2372942A - Compression riveter : en
  • FR897861A - Improvements to combination electrical distribution systems : en fr
  • FR897967A - Method and device for actuating the shuttle in looms : en fr
  • USD140709S - Design fob a doll ob similab abticle : en
  • US2373020A - Valve : en
  • FR897830A - Method and device for manufacturing an anti-friction metal : en fr
  • CA426518A - Alkyl glycolate hydrogenation : en fr
  • US2372875A - Coring device : en
  • FR897966A - Process for obtaining useful products from the sludge of flow channels, sewers, etc., in particular from the sludge of waste water from woolen laundries : en fr
  • FR897978A - New type boat and its construction process : en fr
  • FR897910A - Internal combustion thruster with reaction in a fluid medium : en fr
  • FR897957A - Bracing for structural walls or partitions with, in particular, lining in light tiles : en fr
  • US2373005A - Retrievable well packer : en
  • DK63342C - Wheel ring for Vehicles. : da en
  • FR897873A - Device for controlling pressurized fluid fire extinguishers, in particular for airplanes : en fr
  • CA426550A - Electron discharge device : en fr
  • FR897951A - Double-walled, bucket-shaped chassis for motor cars : en fr
  • FR897958A - Air-cooled internal combustion engine : en fr
  • GB568465A - Improvements in the manufacture of ships' rudder frames : en
  • GB568458A - Improvements relating to valve seat inserts for fluid-pressure engines : en
  • FR897935A - Method of producing subtractive images in several colors by printing a color negative on positive material : en fr
  • GR10335B - POLYCYLINDRICAL CENTRAL HEATING BOILER. : el en
  • GB568414A - Improvements in machines for grinding twist drills : en
  • US2372855A - Brassiere : en
  • US2372881A - Electric switch : en
  • USD140732S - Design foe a clothes hanger : en
  • GR10336B - FISHING INSTRUMENT WITHOUT BAIT. : el en
  • US2372766A - Fuel proportioning device : en
  • US2372990A - Mechanism for typesetting machines : en
  • US2372642A - Glass blowing machine : en
  • USD140716S - Design fob a swivel joint : en
  • US2372880A - Centrifugal compressor diffuser vanes : en
  • US2372912A - Frameless window screen : en
  • US2372864A - Pressure gauge : en
  • US2373014A - Package vending machine : en
  • US2372853A - Electromagnetically operated valve : en
  • CA426598A - Hosiery : en fr
  • GB568449A - Improvements in or relating to bottle or other container stoppering machines : en
  • US2372648A - Door operating mechanism : en
  • US2372710A - Hydraulic steering motor and shimmy dampener for airplane landing gear wheels : en
  • FR897934A - Method for determining the color and intensity of printing light in printing of multi-color images : en fr
  • FR897944A - Method and device for the transformation of heat into kinetic and potential energy : en fr
  • GB568404A - Improvements relating to tunnel ovens for firing ceramic ware : en
  • FR897880A - Use of alkali phenates in the manufacture of alternative binders : en fr
  • FR897907A - Articulated fairing device modifying, in the region of a step, the shapes of the hull bottom of a seaplane; and its control units : en fr
  • FR897964A - Mechanism to be calculated : en fr
  • FR897840A - Process for the preparation of alcamine phenyl carbonates : en fr
  • GB568471A - Improvements relating to hair slides and ornaments : en
  • FR897851A - Device for the application of luminous products : en fr
  • FR897943A - Driving pulley hoists : en fr
  • US2372724A - Log grabhook : en
  • US2372725A - Plastic bottle cap : en
  • US2372759A - Electrical transmission testing system : en
  • CA426571A - Wheat flour milling apparatus : en fr
  • FR897874A - Butter manufacturing process and device for implementing this process : en fr
  • FR897909A - Explosion proof device : en fr
  • AU1943645A - Diversity receiving system : en
  • US2372841A - Process for the manufacture of polynuclear carbonyl compounds and their enol esters : en
  • US2372972A - Shock absorbing bearing : en
  • US2372857A - Primary light source : en
  • US2373059A - Treating hydrocarbon fluids : en
  • US2372834A - Combined goggles and respirator : en
  • US2372641A - Composition of matter : en
  • US2372941A - Process for concentrating diolefins in mixtures containing same : en
  • US2372674A - Conduit supporting device : en
  • DK63335C - Plant powdering machine for use in connection with row cleaners. : da en
  • GB568429A - Improvements in electric circuit interrupters : en
  • CA426457A - Alginic material processing : en fr
  • GB568392A - Stringed musical instrument : en
  • FR897808A - Stamping process for precision sheet steel parts : en fr
  • GB568412A - Improved drawing apparatus : en
  • US2372980A - Cellulose derivative composition : en
  • CA426497A - Induction heat-treating apparatus : en fr
  • FR897975A - Snow plow : en fr
  • FR897908A - Wood screws : en fr
  • FR897961A - Stereoscopic view projection device : en fr
  • FR897838A - Big end with cover for multi-cylinder internal combustion engines : en fr
  • US2372694A - High-pressure fluid pump : en
  • US2372770A - Washing machine : en
  • US2372956A - Feed-back circuit : en
  • AU129355B2 - Improvements in or relating to process of producing substituted quinolines andthe new substituted quinolines and antimalarials resulting therefrom : en
  • CA426553A - Windshield mounting : en fr
  • US2372865A - Filter : en
  • US2372854A - Yeast : en
  • US2372903A - Luminous article and method : en
  • US2372986A - Manufacture of casein : en
  • US2372845A - Connecting companion pieces of luggage : en
  • DK63325C - Method for the manufacture of glass flasks or parts thereof for electric discharge containers. : da en
  • CA426526A - Glass tempering apparatus : en fr
  • US2373065A - Control apparatus for aircraft : en
  • US2372888A - Nut structure : en
  • US2372693A - Antibacklash device : en
  • US2372963A - Controller for towing winches and other machines : en
  • US2372987A - Clamping device : en
  • US2372975A - Combined weather strip and sash control : en
  • CA426573A - Quotation board : en fr
  • USD140734S - Design fob a clothes hanger : en
  • CA426587A - Rubber hydrochloride film : en fr
  • GB568382A - Improvements in internal-combustion-operated gas-compressing machines of the free-piston type : en
  • US2372794A - Machine for grinding twist drills : en
  • AU129354B2 - New substituted quinolines and new antimalarials, anda process of producing thesame : en
  • FR897930A - artificial element or mass of prosthesis : en fr
  • US2372756A - Water-in-moil emulsions : en
  • CA426463A - Hook for stump clearance : en fr
  • CA426575A - Hollow article manufacture : en fr
  • CA426599A - Floatable rope : en fr
  • US2372996A - Method of treating sugar melts : en
  • US2372686A - System and device for controlling thermal gas turbine motive units : en
  • FR897996A - Sampling instrument, especially for medical applications : en fr
  • FR897876A - Improvements to multi-pump devices : en fr
  • FR897990A - Method and devices for mounting walls or wall lining in frame constructions : en fr
  • GB568395A - Improvements in or relating to dynamo electric machines : en
  • GB568483A - Improvements relating to oil retaining and dirt excluding seals for use in machinery : en
  • CA426551A - Surface roughness measuring or indicating apparatus : en fr
  • US2372672A - Cabinet : en
  • US2372696A - Powder metallurgy of high-speed steel : en
  • US2372916A - Taper cutting adjustment for lathes : en
  • CA426469A - Wheel structure : en fr
  • USD140707S - Bacon press or similar article : en
  • USD140738S - Design fob a jewelry cross : en
  • USD140755S - Design fob a bottle : en
  • CA426558A - Mechanical pencil : en fr
  • CA426568A - Hydrocarbon cyclization : en fr
  • US2373073A - Winding machine : en
  • US2372934A - Noise suppression circuits : en
  • US2372755A - Impregnating apparatus : en
  • US2373025A - Match book : en
  • US2372741A - Apparatus for illustrating propeller blade pitch movements : en
  • US2372868A - Rope : en
  • FR897945A - Trunnion plate for doors and the like : en fr
  • GB568492A - Improvements in valve gear for steam distribution in duplex pumps : en
  • US2373039A - Wall covering : en
  • US2372666A - Adhesive starch composition and method of making same : en
  • US2373016A - Method of making modified cornstarch : en
  • US2372976A - Trailer coupler : en
  • US2372835A - Engine starting system : en
  • US2372848A - Toilet tank outlet fitting and elbow : en
  • GB568435A - Improvements in and connected with electric tumbler switches : en
  • US2373061A - Device for determining the condition of a well bore from an etched acid bottle : en
  • US2372867A - Spark plug : en
  • US2373041A - Fluid flow responsive device : en
  • CA426546A - Flexible tubing stretching device : en fr
  • US2372687A - Saw guard : en
  • US2372761A - Method of making plastics : en
  • US2372812A - Vacuum polishing lathe : en
  • US2372791A - Screen : en
  • US2372652A - Firearm : en
  • US2372773A - Packing : en
  • USD140736S - Design for a box or similar article : en
  • GB568433A - Lamp changer for tubular electric lamps : en
  • US2373034A - Well control device : en
  • US2372678A - Liquid sprayer : en
  • CA426565A - Separable fastener : en fr
  • US2372825A - Surface broaching machine : en
  • FR897828A - Process for preparing 1-amino-naphthalene-5-sulfonic amides : en fr
  • CA426512A - Textile processing and composition : en fr
  • USD140739S - Design fob a perfume holding flask : en
  • USRE22625E - One-way snap fastener : en
  • GB568440A - Improvements in photographic sensitive material and in colour correcting masks produced therefrom : en
  • CA14036S - Golf club head : en
  • US2372951A - Drawer slide and latch construction : en
  • USD140750S - Design for a utility shelf or the like : en
  • US2372684A - Refrigerator valve : en
  • US2372738A - Laminating method : en
  • US2372829A - Electrical conducting composition : en
  • CA426470A - Spark plug : en fr
  • CA426515A - Denture : en fr
  • US2372671A - Production of alkali metal hydride : en
  • US2372904A - Sheet holder : en
  • USD140753S - Design for a signal lamp lens : en
  • US2372701A - Modulation system : en
  • US2372762A - Synchronizing system : en
  • AU128769B2 - Improvements in or relating to surface cleaning tools for suction cleaners : en
  • US2373083A - Fastening device : en
  • CA426508A - Coating composition : en fr
  • FR897997A - Set of dissimilar electrical organs : en fr
  • CA426452A - Parachute : en fr
  • CA426570A - Fibre comber : en fr
  • GB568399A - Improvements relating to photographic materials : en
  • US2372669A - Process for the production of absorbent materials : en
  • US2372930A - Flexible shank tool : en
  • US2373069A - Safetypin : en
  • AU119995B2 - Improvements in apparatus for determining the height ofa radio transmitter-receiver fromthe ground : en
  • US2372680A - Toy : en
  • US2372644A - Tire mold : en
  • US2372968A - Sound generator : en
  • US2373050A - Cleaning mop : en
  • CA426524A - Internal combustion engine : en fr
  • US2373008A - Oxidation of organic compounds and manufacture of phthalic anhydride : en
  • CA426576A - Precision instrument : en fr
  • FR897843A - Mechanical grid : en fr
  • FR897872A - Electric remote control device : en fr
  • US2372844A - Latch controlling mechanism : en
  • US2373001A - Valve bonnet structure : en
  • FR897969A - Rosary refrigerator for products requiring intensive cooling : en fr
  • US2372777A - Means for holding and applying cosmetic to the lips : en
  • AU1684544A - Improvements in or relating to support for engine cooling fan : en
  • FR897932A - Process for manufacturing a baked product (bread) from potatoes : en fr
  • US2372914A - Pencil lead writing utensil : en
  • GB568447A - Improvements in or relating to atomizing apparatus : en
  • GB568427A - Improvements in or relating to relay action electric switches, more particularly foruse in conjunction with fluid pressure systems : en
  • FR897956A - Adjustment device applicable to internal combustion injection engines for their operation on liquid or gaseous fuels : en fr
  • FR897897A - Device for controlling the stop of a selector or connector by telephony or telegraphy : en fr
  • US2372715A - Head covering : en
  • FR897948A - Electromagnetic brake intended in particular for vehicles : en fr
  • GB568379A - Improvements in switches for high-frequency oscillations : en
  • DK63324C - Carrier systems with several electron tubes, each connecting its own carrier channel to a common transmission line. : da en
  • FR897954A - Turbo-transformer comprising one or more movable parts : en fr
  • GB568491A - Mould for casting metals : en
  • USD140725S - Design for a brooch or similar article : en
  • FR897939A - Device indicating the breakage or end of a film strip or other image carrier : en fr
  • GB568439A - Improvements in the production of cellulose esters : en
  • FR897947A - Milling machine improvements : en fr
  • CA426563A - Spherical grinding apparatus : en fr
  • GB568441A - Improvements relating to cinematograph picture bases or films and apparatus for use therewith : en
  • US2372654A - Manufacture of substances promoting the growth of yeast and other unicellular plants : en
  • US2372898A - Glass tempering apparatus : en
  • GB568431A - Improvements in fencing posts or the like : en
  • GB568495A - Improvements relating to systems for the remote indication of meter readings : en
  • GB568424A - Improvements in or relating to the automatic variation of a condition such as temperature : en
  • US2372805A - Container fastening means : en
  • USD140756S - Design for a whistle : en
  • FR897814A - Process for the manufacture of synthetic textile fibers containing nitrogen using waste feathers and waste bird feathers of all kinds : en fr
  • FR897977A - Elastic rubber fabric in which the rotating thread makes a full turn : en fr
  • US2373022A - Lawn mower sharpener : en
  • US2372931A - Spline arbor : en
  • CA426533A - Metal member edge forming method : en fr
  • US2372772A - Flanged nut and manufacture thereof : en
  • US2373046A - Pressure relief valve : en
  • USD140731S - Design fob a clothes hanger : en
  • FR897879A - Lifting system for handling loads : en fr
  • FR897946A - Improvements made to vulcanized products, more especially treads and tires for wheels, in natural or artificial rubber with textile reinforcements : en fr
  • CA426460A - Harvester reel : en fr
  • US2372695A - Production of thermoplastic materials in fibrous or cellular form : en
  • US2373081A - Pump rod extracting device : en
  • FR897926A - Heating device for salt bath and electrode ovens : en fr
  • US2372923A - Load-controlling apparatus for compressors : en
  • US2372958A - Bowling ball : en
  • US2373047A - Mattress or the like : en
  • FR897915A - Method and device for measuring large diameters on machined objects : en fr
  • CA426487A - Brake gear safety device : en fr
  • US2372730A - Coil supporting apparatus : en
  • US2372997A - Plate rapping mechanism : en
  • FR897976A - Device for the transmission of energy in alternating current at very high voltage : en fr
  • FR897871A - Circuit system applicable to all remote control, remote transmission, remote signaling and remote control operations : en fr
  • GB568487A - Improvements in bakers' ovens : en
  • GB568388A - Improvements in aqueous dispersions containing synthetic resins : en
  • FR897822A - Process for removing sulfo-cyanates from aqueous saline solutions : en fr
  • US2372707A - Smoke pipe assembly : en
  • FR897824A - Table control for synchronous milling machines : en fr
  • GB568417A - Improvements in sighting aperture fitments particularly for armoured vehicles : en
  • GB568478A - Improvements relating to fireplaces, firegrates and the like : en
  • FR897805A - Lenses and optical system equipped with such lenses : en fr
  • FR897983A - Preparations containing cupric oxychloride in colloidal dispersion : en fr
  • GB568423A - Improvements in or relating to escapement mechanisms : en
  • FR897940A - Warning device for the end or breakage of a film strip : en fr
  • GB568485A - Improvements relating to oil retaining and dirt excluding seals for use in machinery : en
  • FR897820A - surface-heated combustion economizer and activator for boilers : en fr
  • FI20560A - Procedure for saccharification of wood, straw and other hexosan or pentosan-containing substances by hydrolysis with SO2 solution : en fi
  • FR897902A - Device for mixing the feed gases of engines operating on gasifier gas : en fr
  • CA426593A - Bottle closure : en fr
  • FR897833A - Control arrangement of a load switch : en fr
  • US2372689A - Grenade : en
  • US2372785A - Oil well pump : en
  • US2373018A - Hospital bed : en
  • USD140743S - Design for a fire extinguisher : en
  • US2372649A - Radio tube : en
  • US2373058A - Process for preparing synthetic resin : en
  • FR897968A - Machine part subject to sliding friction : en fr
  • CA426455A - Aviator's garment : en fr
  • CA426588A - Anti-oxidant dispersing method : en fr
  • GB568482A - Improvements in or relating to foot-operated tyre and like inflators : en
  • FR897999A - Process for the filtration of viscous solutions : en fr
  • US2372892A - Paper feeding device : en
  • US2372946A - Method of replacing retorts : en
  • USD140746S - Design for a bottle ob similar article : en
  • US2373037A - Carbon dioxide discharge system : en
  • AU125497B2 - Diversity receiving system : en
  • US2372653A - Electrical terminal : en
  • US2372665A - Process for obtaining etchable deposits on printing cylinders : en
  • CA426500A - Protein plastic : en fr
  • CA426534A - Flame resistant and water repellent fabric : en fr
  • US2372887A - Record controlled tape perforator with manually controlled tape perforating operations : en
  • US2372896A - Cooler for oil in journal reservoirs : en
  • CA426549A - Briquetting press : en fr
  • US2372959A - Bowling ball : en
  • US2373021A - Stabilization of petroleum hydrocarbons : en
  • US2372913A - Internal and external milling : en
  • CA426464A - Cinch fish hook : en fr
  • FR897981A - Motorized ear plow : en fr
  • US2372740A - Cylindrical container : en
  • GB568428A - Improvements in or relating to apparatus particularly for use in paint drying or stoving : en
  • US2372911A - Article of headdress : en
  • USD140723S - Design for a toy : en
  • US2372718A - Desk with typewriter carrier : en
  • US2372827A - Roof structure : en
  • US2372832A - Convection heater : en
  • CA426582A - Lignite gasifying apparatus : en fr
  • FR897875A - Improvements to gasifiers including in particular thermostatic control of the circuit temperature : en fr
  • US2372739A - Planting machine : en
  • AU1943545A - Improvement in transmission line junctions : en
  • US2372704A - Dynamometer : en
  • US2372995A - Tap-isolating conductor support : en
  • GB568463A - Improvements in or relating to oscillation-generator apparatus for induction heating : en
  • FR897893A - Extractor intended in particular to facilitate the emptying of canned food bottles : en fr
  • CA426453A - Lubricant purifier : en fr
  • CA426540A - Electric switch : en fr
  • US2372982A - Protective coating : en
  • FR897884A - Improvements to strappy shoes : en fr
  • US2372933A - Car washing brush : en
  • AU2003345A - L Improvements in or relating to walls, roofs, floors and ceilings : en
  • US2372705A - Trailer jack : en
  • US2372943A - Trailer coupling mechanism : en
  • US2372988A - Selective electric switch apparatus : en
  • AU124172B2 - Improvements in and relating to knives : en
  • US2372781A - Sealing device : en
  • US2372818A - Machine tool : en
  • US2372906A - Feed and regulating means for machine tools : en
  • US2372847A - Peanut harvesting machine : en
  • US2372824A - Apparatus for grinding duplicate parts : en
  • CA426480A - Sheath for surgical and medical uses : en fr
  • US2372830A - Air outlet device : en
  • US2372851A - Apparatus for games or the like : en
  • US2373049A - Stabilization of organic substances : en
  • US2372677A - Process for treating fish press liquor : en
  • FR897971A - Floatless carburettor, especially for aircraft engines : en fr
  • US2372863A - Stoker damper control : en
  • US2372660A - Electric motor construction : en
  • CA426511A - Textile processing and composition : en fr
  • FR897817A - Standardized instant assembly cabinetry panels : en fr
  • US2373084A - Electric oil heating apparatus : en
  • US2372831A - Fish scaling knife : en
  • FR897832A - Sheet metal assembly intended in particular for the construction of airplanes : en fr
  • GB568430A - Electric battery charging system : en
  • US2372729A - Automatic valve : en
  • DK63345C - Procedure for Inducing Whitish Blur in Glazes Using Cerium Oxide. : da en
  • FR897920A - Method and apparatus for the complete and uninterrupted gasification of pulverized solid or liquid fuels : en fr
  • US2372971A - Halfvest carrier for hearing aids and batteries : en
  • FR897888A - Device for the direct control of signal arms, in particular for vehicles : en fr
  • US2372659A - Driving mechanism for cash registers : en
  • US2372981A - Container : en
  • GB568474A - A pastry cutter with rotating disc cutters : en
  • GB568407A - An improved electric inspection lamp : en
  • GB568391A - Improvements in or relating to optical magnifying appliances : en
  • US2372736A - Printing machine : en
  • US2373031A - Process for alkylating aromatic constituents : en
  • US2372874A - Lighting fixture : en
  • GB568384A - Whooping cough toxin : en
  • US2372879A - Gauging device : en
  • US2373027A - Calender machine : en
  • US2372900A - Actuator for accumulating mechanisms : en
  • US2372932A - Automatic panoramic device for cameras : en
  • US2372833A - Injection molding machine : en
  • FR897827A - Reed switch : en fr
  • GB568486A - New or improved method of and means for feeding rods to wire-drawing machines : en
  • GB568405A - Improvements connected with supporting structures for ventilating fans : en
  • CA426514A - Textile processing and composition : en fr
  • CA426589A - Inner tube balancing apparatus : en fr
  • FR897815A - Advanced training in electric accumulators : en fr
  • FR897835A - Apparatus for observing images viewed by transparency, in particular stereoscopic views : en fr
  • GB568443A - Improvements relating to tank contents gauges : en
  • CA426493A - Airscoop for engines : en fr
  • CA426507A - Organic nitrogen compound : en fr
  • AU1948345A - New substituted quinolines and new antimalarials, anda process of producing thesame : en
  • GB568459A - Golf club carrier : en
  • US2372869A - Plug valve : en
  • US2373011A - Production of malonic acid : en
  • CA426545A - Knitting machine stitch control means : en fr
  • CA426548A - Printing machine drive : en fr
  • USD140728S - Design fob a comb cleaner : en
  • USD140727S - Design for a stylographic pen : en
  • US2372885A - Container sealing means : en
  • FR897809A - Improvements to the manufacturing process of cylindrical metal containers by stamping : en fr
  • US2372878A - Insulating sheet or strip : en
  • FR897928A - Elastic suspension for precision instruments and other applications : en fr
  • US2372697A - Glove : en
  • US2372651A - Antenna : en
  • US2373057A - Can crusher : en
  • CA426461A - Wood burner : en fr
  • CA426475A - Light metal alloy processing : en fr
  • FR897869A - Multi-mount ampoule intended to collect, store, immobilize and dispense sterile liquid, in particular for blood transfusion : en fr
  • FR897905A - Process for obtaining color photographs and cinematographic films from bichrome or trichrome selection negatives : en fr
  • US2372876A - Method and apparatus for reducing echo effects in picture transmission systems : en
  • FR897842A - Dehydrator for two-stroke engine equipment supplied by gasifier. : en fr
  • USD140717S - Design fob a handbag : en
  • USD140726S - Design fob a cuff link : en
  • GB568456A - Improvements in centrifugal pumps : en
  • FR897921A - Reaction vessel with device for reactivating the substances therein : en fr
  • GB568488A - Improvements in or relating to drilling, screwing, tapping, and like machines havinga rotary tool adapted to be moved to and from the work : en
  • US2372823A - Apparatus for broaching : en
  • US2372828A - Antislip device : en
  • US2372664A - Depilatory article of wearing apparel : en
  • FR897970A - Slag nozzle for shaft furnace, in particular for blast furnace : en fr
  • US2372893A - Apparatus for welding strips or fins to metallic bodies : en
  • FR897844A - Evaporation device for solutions containing salts : en fr
  • US2372655A - Derivatives of the 2-alkyl-1,4-naphthoquinone : en
  • USD140733S - Design for a clothes hanger : en
  • US2373007A - Hoist, crane, lift, and the like lifting apparatus : en
  • AU128605B2 - Improvements relating to riveting apparatus : en
  • GB568397A - An improved method of and apparatus for flame-cutting or flame-desurfacing a metal body : en
  • FR897857A - Still-drip bottle : en fr
  • GB568496A - Improvements relating to reciprocating pumps : en
  • US2373013A - Projection system for images and sounds : en
  • CA426559A - Lathe live centre : en fr
  • US2372816A - Engine accessory : en
  • CA426522A - Shaft twist measuring device : en fr
  • DK63344C - Method for the production of porous insulation boards of peat soil or peat mass. : da en
  • US2372819A - Process for making alkali metal aluminate : en
  • US2372683A - Wire supporting clip : en
  • US2372877A - Insulating sheet or strip : en
  • US2372957A - Hydraulic sand feeder : en
  • US2372960A - Cyanine dyestuff intermediates : en
  • US2372810A - Constant speed drive for magnetic recorders : en
  • US2373066A - Yarn tension system : en
  • US2372733A - Transmission : en
  • US2372999A - Garment hanger : en
  • US2372822A - Enclosure for alternating current apparatus : en
  • CA426496A - Heat treating apparatus : en fr
  • US2373006A - Means for operating well apparatus : en
  • US2372720A - Dust guard for journal boxes : en
  • US2372962A - Cable clamp : en
  • FR897847A - Process for purifying sweet juices containing calcium compounds, before their treatment with a bleach : en fr
  • US2372799A - Doll : en
  • USD140752S - Design fob a swim suit : en
  • CA426459A - Sleigh : en fr
  • US2372897A - Heating and ventilating system : en
  • GB568437A - Improvements in or relating to electronic valves : en
  • GR10338B - LIGHT CAR TYPE. : el en
  • US2373042A - Fluid actuated device : en
  • US2372685A - Cartridge belt : en
  • US2372950A - Electric induction apparatus : en
  • USD140714S - Design fob a hobbyhorse : en
  • DK63323C - Navigation installations operating in accordance with the Ledestrael principle. : da en
  • USD140744S - Design for a tripod head : en
  • USD140737S - Design for a pendant ob similar article : en
  • US2372774A - Facsimile apparatus-record mounting means : en
  • US2372815A - Sprocket gear scraping device : en
  • US2372917A - Apparatus for producing corrugated tubing : en
  • FR897868A - Elastic connecting member : en fr
  • US2372849A - Automotive suspension : en
  • GB568438A - Process for the production of coloured cellulose derivative fibres yarns, fabrics and the like of subdued lustre : en
  • US2372983A - Spinning bucket : en
  • FR897855A - Method and device for the mechanical recording of the position of a light point : en fr
  • GB568477A - A press operated tool for twisting tubes : en
  • GB568494A - Improvements in or relating to thermionic valves : en
  • US2373030A - Production of ethyl benzene : en
  • GB568444A - Pneumatic boats : en
  • FR897974A - Improvements made to bases with turntable for mobile phones : en fr
  • FR897859A - Method for automatically adjusting and maintaining a determined degree of humidity, in particular in smoke-filled rooms : en fr
  • US2373028A - Motor vehicle : en
  • FR897938A - Device for accurate chronological transmission of current pulses : en fr
  • US2373064A - Bearing extractor : en
  • USRE22626E - One-way snap fastener : en
  • FR897858A - Viewfinder for cameras : en fr
  • FR897985A - Adjustment device for cinematographic reproduction devices : en fr
  • US2372940A - Back siphonage prevention valve : en
  • US2372783A - Adjustment for running register : en
  • GB568394A - Improvements in the manufacture of artificial films, filaments and the like : en
  • FR897846A - Advanced brake shoe for bicycles, motorcycles and the like : en fr
  • FR897889A - Improvements to the dry rectifier pair copper-magnesium sulphide : en fr
  • CA426471A - Speed computator : en fr
  • GB568464A - Improvements in or relating to riddles : en
  • GB568385A - Asphalt and like compositions : en
  • CA426581A - Railway signalling system : en fr
  • US2372661A - Means for measuring surface brightness : en
  • US2372993A - Internal combustion engine piston : en
  • SE113712C1 - : en
  • CA426579A - Highway crossing gate control apparatus : en fr
  • US2372947A - Polyvinyl halide composition : en
  • CA426473A - Annular air chuck : en fr
  • CA426578A - Receiving apparatus for communication systems : en fr
  • US2372884A - Lock nut : en
  • US2372650A - Counter mechanism : en
  • US2372872A - Auxiliary unit for beverage brewers : en
  • US2373062A - Production of ethyl benzene : en
  • US2372758A - Yarn-carrier presenting means of tuft-fabric looms : en
  • US2372965A - Electric switch : en
  • FR897959A - Process for preparing carbonyl compounds of cobalt or iron : en fr
  • US2373045A - Crutch : en
  • FR897841A - Device intended to enable all two-stroke engines to be fitted for their operation with gas of all fuels : en fr
  • CA426482A - Diameter or thickness checking device : en fr
  • FR897992A - Process for preparing oxalylaminocarbonic acid : en fr
  • FR897849A - silver halide photographic emulsions : en fr
  • GB568490A - Improvements relating to manhole and inspection covers and frames : en
  • FR897980A - Loading table for industrial furnaces : en fr
  • US2372929A - Composite structure : en
  • US2373078A - Guide for glass and the like fibers : en
  • US2372939A - Transparent nose turret : en
  • CA426594A - Welding jig : en fr
  • CA426596A - Fastening device : en fr
  • US2373075A - Door check and closer : en
  • GB568418A - Improvements in and relating to permanent magnet alloys : en
  • GB568448A - Improvements relating to the hermetic sealing of metal into vitreous material : en
  • GR10334B - HOW TO SAVE TWO TIRES OUT OF EACH "OSTEN" CAR AS WELL AS THE SAFETY OF THE DRIVER. : el en
  • CA426600A - Seismic circuit : en fr
  • CA426489A - Aircraft bomb release controlling apparatus : en fr
  • CA426478A - Golf target : en fr
  • FR897960A - Improvement in the manufacturing processes of photographic papers : en fr
  • USD140735S - Design for a lighter : en
  • US2372836A - Match holder and matches : en
  • FR897952A - Device for the rapid weighing of active beehives : en fr
  • US2372709A - Preparation of benzoin : en
  • US2372807A - Absorption bases : en
  • FR897899A - Improvements to binding devices : en fr
  • DK63336C - Light metal stamp in forged Design and with Reinforcement beads. : da en
  • AU127070B2 - Ascorbic acid derivatives of therapeutic amino compounds and method of preparing same : en
  • US2372860A - Suction cleaner : en
  • FR897816A - Process for improving tar pitches : en fr
  • FR897883A - Bodywork for road vehicles : en fr
  • FR897931A - Process for preparing a baked potato product (bread) : en fr
  • DK63337C - Hot air motor. : da en
  • FR897825A - Continuous cleaning filter-cooler for gasifiers : en fr
  • CA426580A - Railway switch mechanism : en fr
  • CA426602A - Laminated fabric : en fr
  • US2372779A - Cloth holder for cutting tables : en
  • US2372859A - Package of solder : en
  • FR897906A - Household electric oven : en fr
  • US2372901A - Cathode ray tube plate assembly : en
  • US2373079A - Apparatus for testing condensers : en
  • USD140715S - Design fob a lipstick case : en
  • GB568473A - Improvements in or relating to electromagnetic inductive devices having split cores : en
  • GB568425A - Improvements relating to means for operating sliding vehicle windows and like closures : en
  • CA426577A - Communication apparatus : en fr
  • FR897881A - Method and device for the interior varnishing of containers : en fr
  • FR897867A - Improvements made to high-frequency electrosurgical spark gap generators : en fr
  • US2373015A - Process for producing polymeric materials : en
  • CA426532A - Adhesive composition : en fr
  • US2372948A - Can opener : en
  • GB568393A - Improvements in machines for spinning rayon or other synthetic filaments : en
  • GB568403A - Improvements in or relating to means for attaching labels or the like to milk churnsand other objects : en
  • US2372985A - Compositions for treatment of fibrous materials : en
  • FR897803A - Electric battery : en fr
  • US2372926A - Flying machine : en
  • US2372937A - Variable indicator light cap : en
  • FR897882A - Electric discharge device with auxiliary electrode, more particularly applicable to spark gaps : en fr
  • FR897834A - Method for connecting a hollow sheet body to an annular body of solid material : en fr
  • US2372690A - Intermediates for the production of vitamin b6 and processes of preparing the same : en
  • CA426543A - Sodium ferricyanide manufacture : en fr
  • FR897886A - Safety lock : en fr
  • US2372688A - Crystal grinding device : en
  • US2372843A - Apparatus for modeling figures for animated photography : en
  • CA426601A - Seismic surveying method : en fr
  • AU129265B2 - Specification not printed : en
  • US2373077A - Apparatus for manufacturing bonded fibrous mats : en
  • CA426527A - Glass tubing drawing apparatus : en fr
  • US2373019A - Boat : en
  • GB568453A - An improved method of welding metal bodies : en
  • GB568472A - Improvements in or relating to commutators for dynamo electric machines : en
  • US2372698A - Rectifier battery charger circuit : en
  • US2372910A - Projecting system : en
  • US2372915A - Screen : en
  • US2372967A - Cargo tie-down : en
  • AU1997945A - Improvements in or relating to arc welding electrodes : en
  • AU2001445A - Ascorbic acid derivatives of therapeutic amino compounds and method of preparing same : en
  • FR897914A - Method and apparatus for the regeneration of used photographic fixing baths and the recovery of the silver they contain : en fr
  • FR897819A - Brake for velocipeds, motorcycles and the like forming a servo-brake : en fr
  • AU124145B2 - Arrangement in absorption refrigerating apparatus : en
  • CA426481A - Capsule manufacture : en fr
  • CA426484A - Mineral fibre product : en fr
  • CA426590A - Tire bead lock ring and assembly : en fr
  • CA426474A - Surgical glove sterilizing device : en fr
  • CA426584A - Adjustable chair : en fr
  • US2372754A - Adjustable cable splicing clamp : en
  • US2372918A - Manifolding assembly : en
  • CA426525A - Air current directional control system : en fr
  • AU1998045A - Arrangement in absorption refrigerating apparatus : en
  • CA426529A - Container making apparatus : en fr
  • CA426490A - Tubular rivet or socket manufacture : en fr
  • FR897852A - Control device : en fr
  • GB568450A - Removal of bacteria from fluids : en
  • US2372700A - Fuel feeding system : en
  • US2372776A - Material screening and feeding mechanism : en
  • US2372991A - Apparatus for heating fluids : en
  • CA426483A - Volume control network : en fr
  • CA426539A - Snap switch plunger : en fr
  • CA426555A - Solution having vitamin k activity : en fr
  • US2372938A - Refrigerating apparatus : en
  • US2372706A - Blank feeding mechanism : en
  • US2372861A - Derivatives of 2,4-oxazolidinedione : en
  • CA426538A - Parallel glass fibre product : en fr
  • AU2000545A - Improvements in or relating to surface cleaning tools for suction cleaners : en
  • US2372908A - Tractor operated rake and stacker : en
  • US2372961A - Refrigerator car construction : en
  • US2372837A - Manufacture of sliders for slide fasteners : en
  • US2372871A - Bottle carrier : en
  • AU1762344A - Improvements in apparatus for determining the height ofa radio transmitter-receiver fromthe ground : en
  • USD140730S - Design for binocular : en
  • US2372760A - Shoe heel : en
  • CA426552A - Shut-off valve : en fr
  • US2372793A - Method for gas expanding closed cellular rubber : en
  • CA426494A - Article drawing apparatus : en fr
  • AU129292B2 - Improvements in or relating to arc welding electrodes : en
  • CA426492A - Fluid pressure control system : en fr
  • CA426592A - Resin stabilizer : en fr
  • CA426586A - Rubber hydrochloride : en fr
  • GB568396A - Improvements in and relating to electric flat-irons : en
  • AU1940845A - y "Improvements in or relating to electric signalling systems : en
  • US2373080A - Ground working device : en
  • US2373067A - Polymers of unsaturated acid compound and alpha olefinic compound : en
  • CA426520A - High frequency circuit arrangement : en fr
  • US2372750A - Friction clutch : en
  • US2372924A - Process for the emulsification of tars and like substances : en
  • CA426566A - Contra-driven airscrews : en fr
  • US2373024A - Gunnery : en
  • FR897853A - Stabilization of chlorinated hydrocarbons : en fr
  • CA426486A - Fish lure : en fr
  • GB568415A - A process for the preparation of a growth-decrement factor : en
  • GB568432A - Improvements in or relating to machinery guards : en
  • GB568451A - An improved electric arc furnace having a removable hearth or roof : en
  • GB568422A - Improvements relating to hand fire extinguishers : en
  • US2372692A - Material working apparatus : en
  • AU124977B2 - Improvements in or relating to support for engine cooling fan : en
  • US2372691A - Chuck : en
  • US2372746A - Automatic apron fed hopper scale for bulk materials : en
  • CA426535A - Machine belting : en fr
  • AU1996345A - Improvements in and relating to knives : en
  • CA426564A - Wrapper for tubular rubber goods : en fr
  • AU1948445A - Improvements in or relating to process of producing substituted quinolines andthe new substituted quinolines and antimalarials resulting therefrom : en
  • AU2000745A - Improvements in and relating to propelling mechanism : en
  • GB568466A - Improvements in or relating to rotary kilns for burning cement, ore and similar materials : en
  • GB568470A - Improvements in cigarette or cigar ashtrays and rests : en
  • DK63326C - Method and Apparatus for Pulling Fine Glass Wires from a Glass Melting Bath. : da en
  • US2372675A - Heat exchange device : en
  • US2372703A - Brake mechanism for railway vehicles : en
  • US2372955A - Lubricating oil composition : en
  • USD140748S - Cigarette box, or similar article : en
  • US2372768A - Building construction : en
  • US2372984A - Brake disk : en
  • US2372811A - Seal tag : en
  • US2372850A - Welding apparatus : en
  • FR897987A - Process for stabilizing alkali metal carbaminates of 4, 4 'dialkylamino-3, 5, 3', 5 'tetraminoarsenobenzols and their halogenated derivatives in the nucleus in aqueous solution : en fr
  • GB568481A - Improvements in internal combustion engines : en
  • US2373063A - Isomerization of hydrocarbons : en
  • US2372820A - Conduit connector for fluid pressure control : en
  • FR897856A - Socket socket for co-axial high frequency conductors : en fr
  • DK63321C - Procedure for Accelerating Heat Exchange. : da en
  • US2372936A - Friction device : en
  • US2372721A - Portable hydraulic riveter : en
  • FR897949A - Articulated bars and lighting apparatus comprising such a bar system : en fr
  • GB568426A - Improved sheet metal frame for use more especially in giving support to garden plants : en
  • USD140719S - Design for a child s vehicle : en
  • FR897863A - Wood distillation process : en fr
  • GB568468A - Improvements in and relating to piezo-electric crystals : en
  • US2372786A - High sos amide products : en
  • US2372927A - Casket carrier : en
  • GB568400A - Improvements in or relating to electric signalling systems : en
  • US2372989A - Engine control : en
  • FR897813A - Process for obtaining iron : en fr
  • US2372846A - Water distillation : en
  • GB568419A - Preparation of dialkyl peroxides : en
  • FR897862A - Hot contact brazing machine : en fr
  • FR897878A - Manufacture of synthetic lubricating emulsions : en fr
  • GB568460A - Improvements in or relating to methods of fixing machines, parts of machines and thelike : en
  • US2372732A - Dressing tool holder : en
  • FR897895A - New way of attaching a cutting steel tool to a more ordinary steel body : en fr
  • US2372866A - Fracture appliance : en
  • US2373082A - Apparatus for applying mats to battery plates : en
  • USD140754S - Design for a teakettle : en
  • US2372789A - Conveyer system : en
  • FR897864A - Further training in automatic telephone call systems : en fr
  • FR897918A - Light metal cast piston for internal combustion engines : en fr
  • US2373053A - Latch construction : en
  • CA426503A - Resinous product manufacture : en fr
  • US2372731A - Power-operating means for toothbrushes : en
  • USD140742S - Design for a game board : en
  • US2373035A - Light polarizing image and process of manufacture : en
  • US2372790A - Drier : en
  • FR897802A - High frequency coil : en fr
  • FR897866A - New realization of interchangeable telephone cabinet : en fr
  • GB568416A - Improvements relating to domestic and like water heaters : en