• US2374628A - Portland cement and method of retarding the setting rate thereof : en
  • CA426945A - Collar retaining device : en fr
  • CA427073A - Recording apparatus : en fr
  • AU119814B2 - Improvements in and relating to absorption refrigerating apparatus ofthe continuous cycle inert gas type : en
  • CA427071A - Alkylation process : en fr
  • US2374640A - Color control : en
  • US2374173A - Hydroxytetrahydronorpolycyclopentadienes : en
  • US2374385A - Vulcanization of copolymers of conjugated diene hydrocarbons and alpha-methylene nitriles : en
  • US2374527A - Lightning arrester and method of manufacture : en
  • CA426964A - Pumping or lifting appliance : en fr
  • FR898613A - Electric welding gun : en fr
  • US2374417A - Electric regulator : en
  • US2374510A - Gas turbine plant : en
  • CA14058S - Statuette : en
  • US2374285A - Manufacture of anhydrous sodium sulphate : en
  • US2374572A - Bag stringing machine : en
  • CA427020A - Transfer bridge or crane : en fr
  • USD140996S - Design fob a handle for brushes : en
  • GB568958A - Improvements in vacuum cleaners : en
  • FR898533A - Pressure relief valve for hydrogenation plants : en fr
  • US2374309A - Slip-on interlocking washer and nut securing device : en
  • CA426940A - Grain door : en fr
  • CA427000A - Chemical process and product : en fr
  • US2374517A - Fuel atomizer : en
  • US2374559A - Lubricating oil : en
  • USD141010S - Design for a toy cannon : en
  • US2374634A - Method for hardening steels : en
  • GB568899A - Improvements in and relating to pistons : en
  • GB568902A - Improvements in or relating to means for preventing escape of fluid : en
  • US2374434A - Centrifugal governor : en
  • GB568957A - Improvements in or relating to thermostatic means for regulating the heat supply to liquid heating apparatus : en
  • CA427028A - Porous filter element : en fr
  • US2374446A - Metallic soap-resin solutions : en
  • GB568835A - Improvements in air filters : en
  • US2374365A - Turning machine controlled by the diameter of the work : en
  • DK63425C - Grinding machine. : da en
  • DK63413C - Bicycle light dynamo. : da en
  • FR898637A - Method of mounting the secondary screws of an axial pump : en fr
  • US2374615A - Electric switch : en
  • USD140983S - Design for a handle for brushes : en
  • CA427037A - Air blast arc chute : en fr
  • CA427093A - Cycle bell : en fr
  • FR898426A - Improvements made to devices for enriching the explosive mixture supplied to internal combustion engines, in particular via a carburetor : en fr
  • CA427021A - Gear tooth grinding machine : en fr
  • GB568888A - Improvements relating to alloy cast iron rolls : en
  • GB568828A - Improvements in gas washing apparatus of the livesey type : en
  • US2374308A - Sheets or plates, et cetera : en
  • USD140948S - Design for a bracelet : en
  • US2374312A - Railroad track cleaner : en
  • FR898493A - Catalytic synthesis of products resulting from the action of high frequency electric current : en fr
  • FR898626A - Coupling device : en fr
  • FR898534A - Method of manufacturing valve boxes from a metal magnifying glass : en fr
  • CA427115A - Traction device for automobiles : en fr
  • FR898590A - Process for producing carbon monoxide or gases highly charged with carbon monoxide : en fr
  • US2374494A - Halogenated ketals and process for : en
  • US2374600A - Alkylation of aromatic hydrocarbons : en
  • GB568962A - Improvements in or relating to cathodes for electron discharge devices : en
  • FR898446A - Process for obtaining exchangers for water purification from coal and particularly lignite : en fr
  • FR898528A - Arc welding device with temperature controller : en fr
  • US2374520A - Coiling machine and method of coiling rods : en
  • US2374327A - Esters of gamme-acetyl-gamme-methylpimelic acid : en
  • AU2025845A - Method of protecting objects against insect attack, and agents for combating insect and like pests : en
  • US2374536A - Brake : en
  • FR898641A - Method for measuring slit widths : en fr
  • FR898422A - Improvements in routing lever switch posts : en fr
  • FR898638A - Wire mattress : en fr
  • CA426935A - Tire holding means on rim : en fr
  • FR898494A - Process for controlling pests of crops and seeds and compositions used based on para-aminobenzenesulfamide : en fr
  • FR898538A - Adjustable flow pump, particularly suitable for fuel injection in internal combustion engines : en fr
  • US2374199A - Current regulator for electrolytic plants : en
  • US2374503A - Production of riboflavin by biochemical methods : en
  • FR898591A - Process for preparing raw materials for lacquers : en fr
  • USD140992S - Combination refreshment counter and seat : en
  • FR898470A - Algae treatment : en fr
  • US2374474A - Emulsion paste waxes : en
  • US2374632A - Process for separating calcium values from magnesium values : en
  • GB568920A - Improvements in or relating to plants for the generation of gas for use in the production of power : en
  • FR898526A - Process for the production of pectins having a predetermined equivalent weight starting from pectins having a higher equivalent weight : en fr
  • FR898548A - Mechanical displacement and elevation formwork without dismantling : en fr
  • US2374165A - Combination curtain, drape, and shade holder : en
  • AU924943A - Process of and apparatus forthe carbonization of carbonizable materials such as coal : en
  • USD141007S - Glass condiment jar or article of similar nature : en
  • GB568959A - Improvements in or relating to plug valves : en
  • GB568966A - Improvements in cylinder head and valve gear for multi-cylinder internal combustion engines : en
  • US2374202A - Autographic register : en
  • FR898596A - Assembly making it possible to transform the phase shift between two alternating voltages into direct current and an alternating current bridge comprising such an assembly : en fr
  • CA426957A - Electrical resistance alloy : en fr
  • US2374451A - Bolter drive : en
  • USD141008S - Design fob a robe : en
  • US2374563A - Stabilized diazo-type sensitive material : en
  • US2374281A - Metal cutting machine : en
  • CA426977A - Dolomite processing : en fr
  • CA426939A - Corset-type foundation garment : en fr
  • GB568871A - Improvements relating to hinged or pivoted windows : en
  • CA427089A - Winding machine bobbin identifying device : en fr
  • US2374240A - Tank : en
  • US2374450A - Chain hoist : en
  • FR898556A - Food liquid sterilization process : en fr
  • GB568950A - Improvements in the manufacture of felt : en
  • FR898588A - Process for gathering fabrics, knits, clothes or underwear and pattern for its realization : en fr
  • GB568934A - Improvements in or relating to temperature alarm devices : en
  • GB568971A - Improvements in valves for internal combustion engines or the like : en
  • US2374565A - Rust preventive compositions : en
  • US2374637A - Supersonic apparatus : en
  • USD140988S - Design for a rattle handle : en
  • US2374539A - Box : en
  • DK63422C - Coolers, in particular for internal combustion engines in airplanes and carriages, and methods of manufacture. : da en
  • US2374331A - Process of aluminum coating : en
  • USD140941S - Design for a brooch pin : en
  • GB568919A - Improvements in or relating to beams, girders or like constructional units : en
  • US2374636A - Electric switch : en
  • US2374336A - Flow regulating valve with linear characteristics : en
  • USD141013S - Design for a wheeled toy : en
  • USD140957S - Embroidered trimming or the like : en
  • GB568904A - Improvements in rotary ignition distributors for internal combustion engines : en
  • FR898480A - Manufacturing process of metal shutters : en fr
  • US2374168A - Cup-dispensing mechanism : en
  • US2374525A - Morpholine substituted esters : en
  • US2374598A - Alkyd resins : en
  • GB568821A - Improvements in or relating to voltage indicators : en
  • US2374219A - Preservation of liquid foods : en
  • US2374500A - Washer for eggs or the like : en
  • USD141028S - Design fob an eyeshield ob similab abticue : en
  • US2374631A - Method of making textiles : en
  • GB568972A - Improvements relating to electric tumbler switches : en
  • FR898522A - Method and device for adjusting the sensitivity of signal reception installations : en fr
  • GB568946A - Improvements in or relating to apparatus for treating textile articles with a fluid medium under pressure : en
  • FR898447A - Advanced training in photographic film binders : en fr
  • FR898455A - Improvements to the synchronization of electric motors : en fr
  • CA427104A - Transmission control system : en fr
  • US2374630A - Twin-cylinder constant speed hydraulic system : en
  • US2374292A - Mold for sliding clasp fasteners : en
  • GB568930A - Improvements in or relating to methods of and apparatus for perforating sheet material : en
  • GB568927A - Improvements in and relating to hydraulic piston valves : en
  • US2374404A - Catalytic conversion of hydrocarbons : en
  • FR898575A - Fondant for melting light metals : en fr
  • FR898595A - Adsorption process : en fr
  • US2374395A - Binder : en
  • USD140981S - Design fob a dress : en
  • USD141026S - Design for a coat : en
  • GB568867A - Electromagnets : en
  • AU127574B2 - Improvements in or relating to hemoglobin solutions : en
  • GB568901A - Improvements in or relating to materials of high specific ohmic resistance : en
  • US2374269A - Method of making seals : en
  • US2374586A - Detachable toilet paper holder : en
  • CA426952A - High gantry load-handling machine : en fr
  • GB568877A - Combined packs of stationery sheets and carbon or like sheets : en
  • US2374332A - Self-sealing fuel tank : en
  • US2374602A - Textile printing emulsions and method of preparing them : en
  • US2374197A - Borehole logging method and apparatus : en
  • US2374608A - Heat transfer apparatus : en
  • USD141020S - Design fob a cigarette dispenser or the like : en
  • FR898519A - Adjustable elastic suspension for bicycle : en fr
  • FR898570A - Pipe enhancements : en fr
  • FR898594A - Process for imparting water repellency to natural or synthetic threads and fibers : en fr
  • US2374236A - Surface active aldoside condensation products : en
  • US2374625A - Toolholder for plate shearing machines : en
  • FR898635A - Stereoscopic projector : en fr
  • FR898529A - Self-locking articulated hitch : en fr
  • FR898564A - Refinements to Tone Regulation Editing Modes of High Musical Frequencies : en fr
  • FR898462A - Improvements to typewriters and the like : en fr
  • US2374239A - Gas turbine installation : en
  • USD140953S - Design fob a chalk marker : en
  • CA427095A - Intelligence transmitting circuit : en fr
  • FR898607A - High frequency coil : en fr
  • GB568834A - Shaft straightening press : en
  • GB568854A - Improvements in or relating to the production of knitted fabrics : en
  • US2374357A - Group-call telephone system : en
  • CA14061S - Statuette : en
  • GB568847A - Methods of and apparatus for controlling electric motors : en
  • GB568885A - Polymerization of vinyl esters : en
  • FR898546A - Airtight and moisture-tight casing for dry straightener tablets : en fr
  • US2374400A - Hydraulic punch : en
  • GB568975A - Improvements in or relating to apparatus for indicating the end of a predetermined time period : en
  • FR898636A - Articles subjected to friction work, for example sliding bearings, and method of making them : en fr
  • FR898554A - Process for catalytically preparing dinitriles : en fr
  • GB568868A - Improvements connected with variable choke coils : en
  • USD140951S - Design fob a brooch pin : en
  • US2374623A - Floor filler retainer for railroad cars : en
  • USD141005S - Toy boat or similar article : en
  • CA427015A - Surface marking method : en fr
  • GB568844A - Improvements in and relating to rotary cutters : en
  • GB568863A - Improvements in and relating to the manufacture of arylsulphonamides : en
  • GB568875A - Improvements in and relating to diamond and like tools for side and/or face turning operations : en
  • CA427058A - Centrifugal pump : en fr
  • CA427119A - Hydrocarbon production : en fr
  • CA427049A - Yarn waxing method : en fr
  • CA427075A - Autographic register : en fr
  • GB568892A - Improvements in or relating to closures for containers : en
  • CA426980A - Fuel burning method and apparatus : en fr
  • US2374211A - Wire and cable stripping machine : en
  • FR898631A - Motor vehicle upgrades : en fr
  • GB568869A - Method of and means for electro-deposition of chromium : en
  • GB568865A - Improvements in hot plates for domestic cooking apparatus : en
  • GB568905A - Improvements in visible strip index apparatus : en
  • US2374605A - Curtain fixture : en
  • FR898443A - Carburetor mixer device : en fr
  • FR898616A - Safety glass : en fr
  • FR898473A - Sole with recovery of liquid by-products, for wood charcoal oven with semi-continuous operation : en fr
  • FR898639A - Hand tool for precision work with a file : en fr
  • GB568831A - A device for coupling two high-frequency electrical circuits : en
  • FR898530A - Chemical for breadmaking : en fr
  • FI20602A - Orientation planning : en fi
  • IE16791L - Fault indicators for electric networks : en
  • AU129849B2 - Improvements in or relating to sewing machines : en
  • CA426997A - Fingernail enamel remover composition : en fr
  • FR898486A - Improvements to rotating tips for machine tools : en fr
  • US2374454A - Production of iron oxide : en
  • US2374237A - Production of vinyl halides : en
  • CA427070A - Motor fuel production : en fr
  • GB568906A - Improvements in and relating to magazine safety razors : en
  • CA427027A - Overdrive control system : en fr
  • GB568894A - Improvements in or relating to processes of and apparatus for digesting fibrous material for use in the paper, board-making and associated industries : en
  • US2374262A - Hydrocarbon conversion : en
  • AU124976B2 - Improvements in or relating to shaft coupling : en
  • CA427077A - Autographic register : en fr
  • FR898477A - Distributor and regulator device for pressurized fluids : en fr
  • US2374166A - Magnetic field responsive device : en
  • US2374265A - Tuning of radio receivers : en
  • GB568889A - Process of manufacturing pyridinecarboxylic acids : en
  • US2374344A - Toothed-gear coupling : en
  • US2374560A - Circuit protective device : en
  • US2374256A - Gear transmission : en
  • DK63426C - Electric Hand Signal Light. : da en
  • CA426958A - Screw hoisting block safety device : en fr
  • CA427084A - Optical objective : en fr
  • US2374425A - Machine for cooking, dehydrating, and/or cooling foodstuffs : en
  • US2374358A - Assembling apparatus : en
  • US2374177A - Container : en
  • US2374319A - Fabric spreader : en
  • US2374629A - Strap handle holder : en
  • US2374174A - Apparatus for piling metallic sheets : en
  • US2374295A - Receiving distributor : en
  • US2374164A - Plaster cast remover : en
  • GB568866A - Improvements in and relating to draining boards : en
  • AU129043B2 - Method of protecting objects against insect attack, and agents for combating insect and like pests : en
  • US2374288A - Method of coating articles : en
  • CA427002A - Yarn production : en fr
  • US2374416A - Electric regulator pile : en
  • USD141017S - Design for a base cabinet corner filler : en
  • US2374544A - Detergent composition : en
  • CA426982A - Knitting machine : en fr
  • FR898409A - Method for determining and recording variations in density of layers of colored corners : en fr
  • FR898532A - Automotive plowman with multiple transformations : en fr
  • US2374429A - Pole feeding mechanism : en
  • CA426947A - Land clearing method : en fr
  • CA427106A - Chain start circuit : en fr
  • CA427005A - Polymerization process : en fr
  • US2374591A - Venetian blind : en
  • CA427044A - Resilient mounting : en fr
  • CA427113A - Condensation product of aldehydes and urea derivatives : en fr
  • GB568908A - Improvements in installations for generating and heating vapour : en
  • GB568931A - Improvements in or relating to jinrickshaws : en
  • US2374512A - Machine for making strain gauges : en
  • FR898555A - Device for electric induction heating of blanks or semi-worked metal parts for their hot shaping : en fr
  • US2374587A - Machine for cooking, dehydrating, and/or cooling foodstuffs : en
  • CA427032A - Hydrogenated product : en fr
  • US2374225A - Flexible hose coupling : en
  • FR898507A - Improvements relating to piston pump and compressor mechanisms : en fr
  • US2374341A - Display device : en
  • USD141001S - Design for a memorial banner : en
  • FR898423A - New sintered alloys and their manufacturing process : en fr
  • GB568817A - Improvements in electrical equipment associated with the traction motors in electricrail vehicles : en
  • USD140954S - Fork or other article op flatware : en
  • US2374263A - Clamp device : en
  • FR898440A - Improvements to relays fitted with rectifiers : en fr
  • FR898521A - Brake improvement for cycles and others : en fr
  • GB568887A - Sound operated electric gear : en
  • FR898468A - Creation of refineries and wineries producing vitamin-rich drinks all year round : en fr
  • FR898642A - Projection device for projecting individual images : en fr
  • GB568853A - Improvements in or relating to root-grinding machines and the like : en
  • US2374277A - Basket : en
  • US2374226A - Flexible hose coupling : en
  • US2374254A - Worm gear hobbing machine : en
  • US2374326A - Safety stop and mounting : en
  • US2374471A - Process for the preparation of highly potent vitamin concentrates : en
  • USD141003S - Design for a container cap : en
  • FR898429A - Improvements made to means such as those for maintaining a constant level of liquid, particularly in carburettors : en fr
  • FR898457A - Continuous cooler for naphthalene oil : en fr
  • US2374278A - Two-wheel cart : en
  • US2374491A - Pitch : en
  • US2374514A - Manufacture of electric cables : en
  • US2374210A - Process for treating fruit : en
  • GB568976A - Improvements in or relating to lubricating nipples : en
  • US2374325A - Precision toolholder for boring machines and the like : en
  • US2374343A - Frequency multiplier : en
  • FR898561A - Convertible articulated seat : en fr
  • US2374485A - Process for the removal of organic radicals from n-substituted ureas : en
  • US2374528A - Milling cutter : en
  • FR898562A - Method for increasing the resistance of the exterior surfaces of molds and dried sand cores : en fr
  • US2374323A - Decalcomania : en
  • GB568911A - Improvements in and relating to flushing cisterns : en
  • USD141027S - Design fob a toy airplane : en
  • US2374186A - Extrusion controlled water-stop expansion joint : en
  • US2374192A - Collet or collet pad : en
  • FR898514A - Improvements in the construction of electric machine stators : en fr
  • USD141023S - Design for a bottle : en
  • FR898601A - Foot-mounted motor drive for rail vehicles : en fr
  • AU905243A - Improvements in or relating to electric dry batteries : en
  • CA427057A - Insulating construction element : en fr
  • AU2035745A - Method of preparing and treating plastic fabrications : en
  • US2374387A - Toxicant petroleum products : en
  • US2374445A - Combined pump and rotary engine : en
  • FR898489A - Charge controller for electric accumulators : en fr
  • US2374601A - Breaker arm jig : en
  • DK63418C - Method and Machine for Cleaning Fish. : da en
  • US2374489A - Smokestack and flue-pipe adapter : en
  • US2374607A - Means for driving a supercharger for airplane cabins : en
  • US2374604A - Pipe wrench : en
  • FR898625A - Projection device for the continuous and automatic reproduction of individual images : en fr
  • US2374243A - Heat-treating apparatus : en
  • GB568948A - Devices for counting the picks during the weaving of fabric : en
  • DK63408C - Coupling device at System for AC Telegraphy with Phase Change. : da en
  • FR898541A - Electronic microscope : en fr
  • GB568928A - A safety device for a hitched tractor and agricultural implement : en
  • GB568903A - Collapsible core unit for use in the manufacture of hollow reinforced concrete beams : en
  • FR898573A - Leonard command : en fr
  • US2374448A - Tailstock for milling machines : en
  • FR898425A - New sintered hard alloys and their manufacturing process : en fr
  • US2374546A - Manufacture of electron discharge devices : en
  • GB568841A - Improvements in and relating to condenser boilers : en
  • USD140994S - Design for a poker chip holder : en
  • USD141011S - Design foe a soap saver : en
  • CA427013A - Refrigeration apparatus : en fr
  • CA427076A - Sectional platen : en fr
  • AU119837B2 - Improvements in and relating to hatbands : en
  • US2374452A - Framed comestibles in freezing : en
  • CA426978A - Heat exchanger : en fr
  • CA427006A - Cementing process : en fr
  • US2374531A - Electrically operated valve : en
  • CA426989A - Power system : en fr
  • AU119836B2 - Improvements inthe recapping of cans for reuse : en
  • FR898481A - Knob control device in ferro-cerium lighters : en fr
  • US2374487A - Outer sole for shoes : en
  • FR898496A - Transformation of plansichter brushes and adaptation of these transformed brushes to sieves of plansichters equipped either with roller brushes or with bridle brushes to replace them : en fr
  • GB568858A - A process for the manufacture of a cumarin derivative : en
  • FR898586A - Baby carriage with crawler system : en fr
  • AU1684444A - Improvements in or relating to shaft coupling : en
  • DK63407C - High-lift safety valve. : da en
  • US2374577A - Multiple turret lathe : en
  • US2374529A - Art of multistrand band manufacture : en
  • US2374191A - Engine : en
  • CA427033A - Electrical condenser : en fr
  • US2374378A - Bolt-action firearm : en
  • GB568954A - Improvements in mountings for aircraft engines : en
  • FR898527A - Process of dyeing and printing using ether-salts of leuco dyes of tank dyes : en fr
  • FR898647A - Variable resistance with voltage : en fr
  • GB568878A - Improvements in wire drawing machines : en
  • US2374413A - Electrical connector : en
  • US2374518A - Catalytic process : en
  • GB568968A - Improved method of and apparatus for producing high vacua : en
  • FR898650A - Improvements to the processes for the manufacture of high initial strength aluminous cements (in one production cycle) and refractory aluminous cements : en fr
  • FR898476A - Apparatus for sharpening razor blades or the like, and method for its use : en fr
  • FR898485A - Improvements to the sock stitching machines : en fr
  • US2374301A - Trimming apparatus : en
  • GB568953A - Improvements in and relating to the treatment of articles of aluminium or aluminium base alloys for the removal of broken screw-cutting taps and twist drills : en
  • GB568830A - Improvements in or relating to induction heating coils : en
  • CA426966A - Vehicle suspension device : en fr
  • CA427029A - Iron oxide manufacture : en fr
  • FR898634A - Metallic tape fabric, with reinforcing bands, intended to serve as a hard reinforcement for gaskets, in particular for cylinder head gaskets in combustion engines : en fr
  • US2374398A - Cement conveying can : en
  • FR898606A - Kitchen cabinet made up of two superimposed elements manufactured separately : en fr
  • GB568893A - Improvements in liquid treatment of filamentary material : en
  • US2374548A - Nut anchor : en
  • US2374626A - Method of forming a stabilized froth and material therefor : en
  • US2374229A - Construction of ships : en
  • US2374545A - Hydraulic brake operating mechanism : en
  • FR898577A - Poly-acrylic amide, co-polymerization products therefor and process for their preparation : en fr
  • AU1108143A - A method of purifying electrolytes and improved purification agent for use therein : en
  • CA426983A - Automatic transmission : en fr
  • FR898482A - Method for generating electrical oscillations and oscillators for implementing this method : en fr
  • GB568898A - Tape lifting device and spindle brake mechanism for spinning and twisting machines and the like : en
  • FR898506A - Device for supplying internal combustion engines by direct injection of fuel or fluid : en fr
  • US2374170A - Mop swab for use on smooth surfaced floorings and the like : en
  • US2374458A - Leakproof carton : en
  • USD140943S - Design for a brooch pin or similar article : en
  • GB568824A - Improvements relating to sliding ventilation panels or windows of vehicles : en
  • US2374247A - Washing machine : en
  • CA427042A - Measuring apparatus : en fr
  • CA427053A - Radio tube carton : en fr
  • FR898517A - Simplified gasifier : en fr
  • FR898550A - Chew product and its manufacturing process : en fr
  • FR898439A - Improvements made to bicycles or other similar vehicles, in particular with auxiliary motor : en fr
  • GB568822A - Printing : en
  • DK63423C - Clamping mechanism for Clamping Cartridges. : da en
  • FR898585A - New dyes in the dioxazine series : en fr
  • US2374245A - Collet : en
  • GB568823A - Improvements in or relating to a.c. commutator motors : en
  • FR898618A - Improvements to symmetrization devices particularly intended for the UHF field : en fr
  • CA427024A - Vehicle control mechanism : en fr
  • FR898579A - Spectacle lens containing neodymium : en fr
  • CA427060A - Motor driven centrifugal pump : en fr
  • CA14059S - Statuette : en
  • CA426975A - Bowling alley pit elevator : en fr
  • US2374376A - Material working apparatus : en
  • GB568910A - Improvements relating to the control surfaces of aircraft : en
  • GB568924A - Improvements in steam generating installations : en
  • USD141025S - Shade for a lamp or similar article : en
  • US2374459A - Burner control : en
  • US2374540A - Process of making storage battery retainers : en
  • CA427055A - Discharge tube electrode assembly : en fr
  • DK63406C - Baking aid. : da en
  • US2374535A - Quenching vessel : en
  • USD141009S - Design for a doll cradle : en
  • CA427012A - Refrigerating apparatus : en fr
  • US2374310A - Method of producing solids of desired configuration : en
  • US2374573A - Bag stringing needle : en
  • US2374614A - Liquid fuel injection apparatus : en
  • CA427011A - Electric switch operator : en fr
  • USD140991S - Design for a miniatube icon projector shrine : en
  • US2374396A - Method of making chromium-nickel austenitic stainless steel : en
  • US2374547A - Manufacture of cellulose esters : en
  • US2374594A - Process of metal attenuation : en
  • CA427099A - Convoy current timing arrangement : en fr
  • US2374391A - Apparatus for building tires : en
  • US2374206A - Venturi gas line coupling : en
  • CA426954A - Combined blind and curtain support : en fr
  • US2374227A - Geochemical prospecting system : en
  • US2374486A - Strip feed guide : en
  • US2374498A - Guide for the transmission of electric waves : en
  • US2374570A - Phonograph pickup arm control mechanism : en
  • USD140987S - Design for a grease pump : en
  • US2374274A - Parachute pack frame and the like : en
  • US2374383A - Combination trailer : en
  • FR898459A - Flat safety lock : en fr
  • USD140980S - Design for a dkess : en
  • US2374595A - Reciprocable telescopic members : en
  • GB568922A - Hauling units : en
  • FR898583A - Device for the production of steam with high calorific efficiency, particularly for feeding steam turbines : en fr
  • US2374353A - Liquid-tight seal : en
  • CA427082A - Weft thread end cutting device : en fr
  • FR898553A - Process for making shaped articles of water-soluble single or mixed polymers of methacrylic amide : en fr
  • GB568941A - Preparation of aliphatic dinitriles : en
  • US2374394A - Fastener : en
  • USD141002S - Design for a doll : en
  • US2374584A - Pulverulent materials-handling and storage system : en
  • FR898621A - Remote control device for transmitters : en fr
  • IE19214L - Telecommunication exchange systems. : en
  • USD140985S - Design for a display box : en
  • FR898512A - Bag for powdery materials : en fr
  • FR898568A - Process for preparing alkali metal salts of carboxylic acids, optionally mixed with alcohols, as well as free carboxylic acids from these alkali salts : en fr
  • CA427103A - Electroacoustic device : en fr
  • CA426973A - Insert coiling means : en fr
  • US2374354A - Imidazolines : en
  • FR898427A - Improvements made to devices for damping the noise resulting from the flow of a fluid in a passage opening into the open air, in particular to the intake or exhaust silencers of internal combustion engines : en fr
  • US2374493A - Airplane : en
  • US2374305A - Internal-combustion engine : en
  • US2374461A - Suction clothesbrush : en
  • US2374496A - Apparatus for making variegated hard surface covering : en
  • GB568856A - Improvements relating to valves : en
  • GB568933A - New anthraquinone dyestuffs : en
  • FR898509A - Method of mounting electric resistances for heating devices : en fr
  • CA426959A - Paper stock consistancy regulating apparatus : en fr
  • GB568951A - Improvements in or relating to dimpling apparatus : en
  • FR898645A - Transit time electron tube : en fr
  • GB568862A - Improvements in means for attaching a tractor to a vehicle to be towed thereby : en
  • US2374638A - Attachment of metal fittings to insulators : en
  • CA427008A - Electric switch operating mechanism : en fr
  • CA427080A - Weaving method and device : en fr
  • FR898630A - Switching device for mechanical current converters : en fr
  • GB568973A - Improvements in or relating to liquid receptacles such as melting pots and pouring pots or ladles : en
  • GB568818A - Improved process for the production of diolefins : en
  • FR898495A - Power plant with dam and turbo-generators arranged inside the body of the dam : en fr
  • FR898537A - Electronic tube assembly, applicable in particular to the magnetic deflection of the cathode ray in cathode ray tubes : en fr
  • GB568861A - Dimpling tool : en
  • US2374162A - Harvesting machine : en
  • USD140962S - Design for a dress : en
  • US2374596A - Rotatable table for casing punch presses : en
  • US2374315A - Starting control for electric discharge devices : en
  • USD140965S - Design for a casket handle lug : en
  • US2374467A - Ship : en
  • FR898622A - Device for obtaining an adjustment voltage : en fr
  • FR898465A - Shoe with removable elements, such as the sole, the heel or parts thereof : en fr
  • FR898628A - Automatic starting device for rolling mill trains controlled by electric motor : en fr
  • AU1122443A - Improvements inthe recapping of cans for reuse : en
  • GB568974A - Metal-cutting facing tool : en
  • FR898432A - Process of photographic or cinematographic copies in color : en fr
  • US2374356A - Method and apparatus for preparing highly legible tapes : en
  • US2374575A - Curtain rod : en
  • US2374280A - X-ray timer tester : en
  • FR898620A - Hydraulic device for controlling the movable half-mold of a die-casting machine : en fr
  • FR898617A - Flapper waste head system for washbasin, bidet and bathtub : en fr
  • FR898520A - Process for packaging cheese in aluminum foil : en fr
  • US2374286A - Locating fixture : en
  • US2374480A - Self-compensating amplifier tube circuit : en
  • FR898410A - Mirror oscillograph intended in particular for photophonic recordings : en fr
  • GB568947A - Building construction : en
  • DK63428C - Procedure for Manufacturing Ferraricement. : da en
  • FR898500A - Safety device for closing doors : en fr
  • US2374431A - Burner lighter : en
  • GB568939A - Improvements in and relating to nut locking washers : en
  • USD140976S - Design for a dress : en
  • US2374568A - Automatic valve mechanism : en
  • US2374593A - Solenoid operated valve : en
  • US2374181A - Morpholine compounds : en
  • US2374223A - Lock : en
  • US2374411A - Means for controlling the fuel supply in two-stroke internal-combustion engines : en
  • USD141022S - Design fob a toy automobile : en
  • FR898405A - Process for preparing alkylated hydrazines : en fr
  • FR898491A - Removable packing box : en fr
  • US2374424A - Cultivator : en
  • USD140950S - Design fob a brooch pin : en
  • US2374412A - Air filter for aircraft engines : en
  • US2374218A - Truck : en
  • US2374466A - Machine for shelling peas and beans : en
  • USD140969S - Design for a doll : en
  • DK63430C - Procedure for Manufacturing Ion Exchangers. : da en
  • US2374261A - Propeller snare : en
  • FR898536A - Marking device designed in particular for the lids of cans or other containers : en fr
  • FR898438A - Hunting rifle without visible dogs and with automatic cocking : en fr
  • US2374441A - Ice prevention means for aircraft : en
  • US2374220A - Resin distillation : en
  • US2374409A - Bookstand : en
  • USD140968S - Design fob a dress : en
  • CA427001A - Extrusion device : en fr
  • FR898549A - Continuous speed change allowing the speed to be varied continuously between any limits, and intended in particular for motor vehicles : en fr
  • US2374610A - Control apparatus : en
  • USD140958S - Design for a dress : en
  • US2374297A - Locking device : en
  • US2374488A - Surgical cot : en
  • USD140949S - Design fob a brooch pin : en
  • US2374464A - Power-driven dial feed : en
  • USD140945S - Brooch pin or similar article : en
  • US2374200A - Automatic inflation equipment : en
  • GB568963A - New or improved means for applying white lines to road surfaces : en
  • DK63409C - Tuning device at Receivers for carrier frequency over a Wire line transmitted Messages. : da en
  • FR898434A - Improvements to injection pumps : en fr
  • US2374422A - Denture : en
  • FR898518A - New servo motor for regulators : en fr
  • US2374580A - Life preserver : en
  • US2374338A - Conversion of hydrocarbons : en
  • US2374369A - Saturated and unsaturated 17-hydroxyandrostanes, their derivatives and substitution products and process of making same : en
  • CA426951A - Shovel equipment for trucks : en fr
  • CA427112A - Railway car : en fr
  • AU2033345A - Improvements inthe production of phenolic condensation products and treatment of materials therewith : en
  • US2374272A - Olefin polymerization process : en
  • US2374291A - Hair curling apparatus : en
  • USD141000S - Toy animal figure : en
  • USD141021S - Design fob a coat : en
  • CA427066A - Phonograph pickup feed mechanism : en fr
  • US2374492A - Therapeutic apparatus : en
  • CA427094A - Telephone system : en fr
  • US2374473A - Elevator overload and blockage : en
  • US2374617A - Manufacture of waxlike compositions : en
  • USD140998S - Design fob a handle fob bbushes : en
  • CA427026A - Steam generator : en fr
  • CA427007A - Paper perforating apparatus : en fr
  • CA427051A - Iron purifying process : en fr
  • FR898587A - Device for darning gloves, stockings, etc. : en fr
  • US2374242A - Polymerization of piperylene-olefin mixtures and products obtained therefrom : en
  • US2374465A - Wringer roll stop : en
  • USD141029S - Design for an eyeshield or similar article : en
  • US2374462A - Spraying, blending, and impregnating method : en
  • US2374497A - Arc lamp and carbon guide : en
  • US2374561A - Circuit control device : en
  • US2374271A - Antenna system : en
  • FR898424A - Method and apparatus for processing motion pictures and other photographic films : en fr
  • US2374276A - Engine and propeller control : en
  • US2374306A - Aircraft landing apparatus : en
  • DK63412C - Procedure for Closing a Glass Filling Tube by Containers Filled with Air Under Pressure. : da en
  • FR898414A - Improvements to fuel injection systems for internal combustion engines, in particular aircraft engines : en fr
  • FR898593A - Annealing process for the pretreatment of metal bodies intended to be cold formed : en fr
  • FR898488A - Variable volume sealed enclosure mounting and guiding system : en fr
  • US2374592A - Hydraulic pump or motor : en
  • FR898453A - Advanced stepladder : en fr
  • GB568848A - Pocket lighter : en
  • FR898467A - Combustion engine : en fr
  • GB568912A - Sound operated electric gear : en
  • US2374483A - Air-cooled engine : en
  • AU119839B2 - Improvements in scraping devices for earth and other materials : en
  • CA427025A - Trailer vehicle : en fr
  • CA427090A - Work holder : en fr
  • US2374582A - Rivet or bolt holder : en
  • US2374304A - Mercury feeding apparatus : en
  • USD140977S - Design fob a dress : en
  • CA427116A - Liquid agitating apparatus : en fr
  • CA427098A - Two-way signalling system : en fr
  • AU2029145A - Method and apparatus for making fibers : en
  • FR898484A - Ball valve with elastic pressure of the turn on its seat : en fr
  • GB568850A - Guanidine derivatives : en
  • GB568943A - Improvements in stretchers : en
  • US2374231A - Water heater and the like : en
  • US2374178A - Means for regulating the passage of gases in heat exchangers : en
  • FR898499A - Improvements in the construction of inkwells : en fr
  • FR898627A - Method and machine for deformation of glass tubes or the like of glass : en fr
  • GB568897A - Improvements relating to the free wheels of cycles and the like : en
  • US2374588A - Hydraulic torque transmission arrangement : en
  • US2374635A - Loose-leaf binder : en
  • US2374188A - Oxidizing phosphorus : en
  • US2374350A - Posture chair : en
  • USD141004S - Design foe a handbag : en
  • CA426941A - Internal combustion engine : en fr
  • US2374187A - Detergent composition : en
  • CA427003A - Cyclized rubber : en fr
  • CA427105A - Telegraphone pole piece assembly : en fr
  • US2374359A - Fastening-inserting machine : en
  • US2374366A - Paper basket and container : en
  • US2374576A - Polyamides : en
  • FR898471A - Device for controlling the circulation of a fluid in a pipeline : en fr
  • US2374501A - Aminophenol derivatives and photographic developers containing them : en
  • GB568859A - Improvements in and relating to pilot-operated unloading valves for hydraulic pumps : en
  • US2374590A - Washing machine control : en
  • US2374284A - Electrode holder : en
  • DK63414C - Stack of Dryer Plates and Power Take-off Tin for the Stack. : da en
  • GB568929A - Improvements in photographic type-line composition : en
  • GB568964A - Improvements in or relating to the manufacture of synthetic rubber-like materials : en
  • GB568836A - Capacity and inductance measuring apparatus : en
  • CA427030A - Electric welder : en fr
  • US2374423A - Pipe wrench : en
  • US2374549A - Fractionating apparatus : en
  • US2374259A - Triazine condensation products and process of making same : en
  • US2374468A - Injection molding apparatus : en
  • CA427054A - Non-microphonic tube : en fr
  • US2374552A - Countersinking tool : en
  • FR898498A - Further training in the manufacture of ferroalloys and special metals : en fr
  • FR898508A - Hydraulic clutch : en fr
  • FR898646A - Tap, especially for liquids and gases with variable temperature : en fr
  • US2374477A - Universal lathe tool post : en
  • CA427063A - Organic polysulphide manufacture : en fr
  • CA427081A - Fabric making device : en fr
  • US2374176A - Portable power threader : en
  • US2374275A - Pay envelope : en
  • US2374299A - Sleeping bag and the like for infants : en
  • AU2002145A - Improvements in electric welding apparatus : en
  • US2374228A - Housing for interior lighting : en
  • US2374246A - Method of making a molded product : en
  • US2374612A - Safety razor : en
  • US2374433A - Production of butadiene : en
  • US2374302A - Electric broiling device : en
  • FR898504A - Fan improvements : en fr
  • CA427064A - Resinous condensation product : en fr
  • US2374248A - Pulse-integrating circuit : en
  • CA426995A - Barium sulphate pigment : en fr
  • US2374618A - Window sash support : en
  • USRE22636E - Container fob assemblies to be : en
  • US2374185A - Refrigerator : en
  • US2374557A - Oil well testing device : en
  • US2374349A - Bond tightener and sealer : en
  • US2374478A - Closure for lubricators : en
  • US2374504A - Sealing and crimping rollers for packaging machines : en
  • GB568935A - Improvements in paper and like containers for liquids, powders and the like : en
  • US2374455A - Drying of materials : en
  • USD140979S - Design for a dress : en
  • CA427040A - Multiplying machine : en fr
  • CA427109A - Bimetallic thermometer : en fr
  • US2374189A - Diluter for motor crankcase lubricant : en
  • CA427111A - Wind driven generator field control : en fr
  • CA426968A - Locomotive storm window : en fr
  • US2374541A - Conduit clamp : en
  • CA427017A - Clean steel manufacture : en fr
  • CA426934A - Bobby pin : en fr
  • US2374303A - Transmission control : en
  • FR898558A - Round part cylindricity tester : en fr
  • AU1111343A - Improvements in or relating to oscillator circuit for inductive heating : en
  • CA426991A - Circuit breaker : en fr
  • FR898559A - Process for making fibers transparent : en fr
  • GB568900A - Improvements in or relating to grids for reducing secondary x-rays : en
  • CA426936A - Mounting and operating means for domestic appliances : en fr
  • AU119840B2 - Improvements in or relating to oscillator circuit for inductive heating : en
  • US2374216A - Vacuum cooker : en
  • AU129590B2 - Method of preparing and treating plastic fabrications : en
  • CA427067A - Directional apparatus : en fr
  • CA427117A - Filament and thread manufacture : en fr
  • GB568937A - Improvements in tubular heat exchange apparatus : en
  • US2374255A - Control for machine tools : en
  • USD141030S - Design for an illuminable switch plate : en
  • US2374616A - Tire chain tool : en
  • FR898451A - Improvement in the execution of saw segments : en fr
  • US2374415A - Toothbrush tufting machine : en
  • FR898449A - Continuously running device for the homogeneous and rapid exhaustion of cooked masses of sweets : en fr
  • GB568874A - Improvements relating to beer and like pumps : en
  • AU119821B2 - Improvement in illuminable indicators : en
  • US2374171A - Eyeglasses : en
  • FR898419A - Mixer system for gaseous fuel : en fr
  • FR898578A - Incandescent electric lamp incorporating a protective device : en fr
  • FR898602A - Force-accumulating thermal trigger : en fr
  • GB568936A - Improvements relating to apparatus for determining angles : en
  • AU1991645A - Apparatus for generating sweep voltages : en
  • US2374196A - Motor vehicle chassis for tanks : en
  • CA426956A - Centrifugal pump apparatus : en fr
  • FR898456A - Fast response excitation device for electric machines : en fr
  • FR898592A - Chain cycle equipped with pedaling levers : en fr
  • GB568886A - Polymerization of vinyl esters in emulsion : en
  • FR898624A - Device for starting, by means of compressed air, internal combustion engines with injection : en fr
  • FR898415A - Improvements in fuel injection feed devices in internal combustion engines, in particular aircraft engines : en fr
  • GB568917A - Improvements in automatic phonographs : en
  • FR898406A - Clamping device for turning rotating parts, especially those with high rotational speeds : en fr
  • GB568870A - Improvements in the manufacture of pressings from sheet material : en
  • US2374578A - Blower head for the separation of card or paper stock : en
  • FR898547A - Operating method of high frequency generators in industrial high frequency processing : en fr
  • GB568890A - Improvements in or relating to the melt extrusion of synthetic polymers : en
  • GB568967A - Improvements in and relating to gas blast electric switches or circuit breakers : en
  • CA426944A - Thread cutting die : en fr
  • CA427019A - Shoe form : en fr
  • USD140970S - Design fob a woven textile fabric : en
  • DK63410C - Apparatus for Determining the Position and Height of Aircraft Above the Ground. : da en
  • CA426955A - Variable stroke engine : en fr
  • FR898649A - Removable front and rear rack mounting for cycles and mopeds, motorcycles : en fr
  • USD140961S - Design fob a dress : en
  • USD141012S - Electro-therapeutic cabinet : en
  • AU1030543A - Improvements in scraping devices for earth and other materials : en
  • CA426987A - Congelation depressor : en fr
  • FR898609A - Ten key calculator : en fr
  • US2374347A - Rotor : en
  • US2374179A - Land mine : en
  • DK63429C - Drying oven for Buildings. : da en
  • FR898565A - Removable bandages for vertical grinding wheels, cylinder sleeves, vertical grinding wheel base covers, etc. : en fr
  • FR898511A - Progressive speed variator : en fr
  • AU119822B2 - An improved electric lighter : en
  • US2374230A - Incendiary missile : en
  • US2374363A - Cake discharger mechanism : en
  • US2374457A - Domestic appliance : en
  • USRE22637E - keinath : en
  • CA426990A - Discharge device starting and controlling apparatus : en fr
  • CA427096A - Telephone system : en fr
  • US2374516A - Proportioner : en
  • US2374621A - Firearm : en
  • GB568832A - Improvements in and relating to joints of binding straps for packages or the like : en
  • GB568880A - Improvements in or relating to guide roller carriages for gasholders and like containers : en
  • US2374273A - Multipole automatic circuit breaker : en
  • US2374311A - Cathode ray tube : en
  • GB568940A - Improvements relating to exhaust valves of the poppet valve type of internal combustion engines : en
  • US2374233A - Collapsible mold : en
  • US2374620A - Treatment of fermentable matter : en
  • FR898566A - Device with oscillating and adjustable light source on the spot to be observed in hollow spaces and with oscillating and adjustable image receptor in the same way : en fr
  • US2374533A - Attachable power-driven supporting frame for mowers and other garden implements : en
  • US2374436A - Punch means : en
  • USD140946S - Design fob a brooch pin or similar article : en
  • FR898604A - Sports vehicle : en fr
  • FR898444A - Wheel holder for all lighters : en fr
  • FR898411A - Process for preparing shaped articles from sheets of primary cellulose ether salts : en fr
  • GB568833A - Improvements in laundry marking machines : en
  • GB568864A - Improvements in or relating to electric generators : en
  • FR898487A - Improvements made to rotating centers for machine tools : en fr
  • FR898436A - Improvements made to gasifier gas purification installations, in particular for motor vehicles : en fr
  • FR898524A - Magnetically operated automatic liquid level regulator : en fr
  • FR898431A - Yellow metallic toning for photographic and cinematographic images : en fr
  • DK63424C - Screw pump or screw motor, especially for high pressures. : da en
  • FR898574A - Self-raising brake bearing : en fr
  • GB568965A - Improvements relating to stentering or like machines : en
  • FR898542A - Device for producing symmetrical three-phase current from two-phase current on a transformer assembly : en fr
  • US2374513A - Nonspill vent device : en
  • FR898597A - Shell lining for centrifugal casting : en fr
  • IE17647L - Circular hose looms : en
  • FR898563A - Conveyor belt : en fr
  • GB568843A - Antiskid pneumatic tire and method of making same : en
  • GB568882A - Improvements in or relating to heat exchange devices : en
  • GB568918A - Improvements in and relating to soldering methods : en
  • GB568945A - Improvements in or relating to means for effecting a temporary coupling between fluid delivery means and fluid receiving means : en
  • USD140972S - Design for a woven textile fabric : en
  • US2374194A - Pressure roller : en
  • US2374355A - Nonskid chain : en
  • US2374408A - Indicating system : en
  • US2374581A - Slow setting cement : en
  • GB568961A - Improvements relating to electric iron automatic temperature control, or the like : en
  • FR898474A - Brake device in particular for cycles and motorcycles : en fr
  • GB568849A - Mechanism for converting rotary into reciprocating motion and vice versa : en
  • US2374460A - Internal-combustion engine : en
  • AU119825B2 - Process of and apparatus forthe carbonization of carbonizable materials such as coal : en
  • CA427087A - Railway traffic controlling apparatus : en fr
  • US2374241A - Self-locking nut : en
  • US2374470A - Preparation of highly potent vitamin concentrates : en
  • US2374205A - Mass spectrometry : en
  • US2374296A - Submarine emergency saver : en
  • US2374449A - Method of producing cores for electrical induction apparatus : en
  • FR898600A - Articulated wooden sole : en fr
  • FR898510A - Free wheel : en fr
  • FR898502A - Improvement in the device for recording the calorific value of gas : en fr
  • US2374389A - Color combination demonstrator : en
  • GB568909A - Improvements in or relating to offset printing apparatus : en
  • FR898435A - Watch : en fr
  • GB568969A - Dual purpose table article and set of articles associated therewith : en
  • CA427018A - Concrete mixing apparatus : en fr
  • US2374627A - Parachute canopy : en
  • US2374553A - Method and apparatus for feeding clay to molds : en
  • US2374633A - Dispenser : en
  • USD140940S - Design for a brooch pin : en
  • CA427061A - Urea derivative manufacture : en fr
  • US2374427A - Method of making homogenized milk products : en
  • USD141015S - Design for a kitchen cabinet : en
  • US2374589A - Abrasion-resistant synthetic rubber : en
  • AU1115543A - Improvement in illuminable indicators : en
  • US2374401A - Air pilot instruction system : en
  • US2374519A - Apparatus for evaporating and distilling : en
  • CA426953A - Heat regenerator : en fr
  • US2374443A - Rotary table mounting for vegetable peelers : en
  • GB568907A - Improvements relating to cutting devices for electric cable sheathing and the like : en
  • AU967543A - Improvements in and relating to absorption refrigerating apparatus ofthe continuous cycle inert gas type : en
  • US2374167A - Conversion of hydrocarbons : en
  • US2374372A - Buoyant material : en
  • US2374386A - Manufacture of liquid containers : en
  • US2374238A - Separating apparatus : en
  • US2374403A - Resilient protection for flat gauge glasses : en
  • CA427114A - Gas burner : en fr
  • US2374564A - Safety device for valves : en
  • US2374585A - Door switch : en
  • AU1096143A - Improvements in and relating to hatbands : en
  • CA426984A - Automatic transmission : en fr
  • IE17582L - Metal rectifiers : en
  • US2374169A - Means for cementing between multiple sands : en
  • US2374203A - Heater : en
  • US2374384A - Can attachment : en
  • US2374418A - Proce : en
  • US2374438A - Heating stove : en
  • US2374597A - Electric induction apparatus : en
  • US2374609A - Heating apparatus : en
  • USD140966S - Combined valve seat and overflow connection : en
  • AU130150B2 - Improvements inthe production of phenolic condensation products and treatment of materials therewith : en
  • US2374502A - Blade holding device : en
  • US2374294A - Knitting machine : en
  • US2374538A - Knitting machine : en
  • USD141014S - Design for a kitchen cabinet : en
  • CA426979A - Fuel burning method and apparatus : en fr
  • FR898450A - Improvements to narrow entry containers : en fr
  • FR898648A - Variable capacity file cabinet and tilting shutters, removable or not, for flexible flexible files or mobile files, not supported by intermediate tutors : en fr
  • US2374430A - Paint dispensing apparatus : en
  • GB568916A - Improvements in or relating to electrical plug connectors : en
  • US2374175A - Catalytic conversion of hydrocarbons : en
  • CA14060S - Statuette : en
  • US2374267A - Roller chain : en
  • US2374198A - Inking pad : en
  • CA427118A - Filament and film production : en fr
  • US2374367A - Process for preparing therapeutically active substances : en
  • US2374201A - Gelatin filaments and preparation thereof : en
  • US2374163A - Orthopedic appliance : en
  • US2374447A - Stable nonviscous metallic soap solutions : en
  • US2374283A - 1-phenoxy-3-hydroxy-propanones-(2) and a process for their manufacture : en
  • US2374407A - Food product : en
  • US2374249A - Combination towing cable and fuel hose : en
  • FR898535A - Process for the manufacture of stacked type capacitors and capacitors produced by this process : en fr
  • CA427016A - Abrasive and refractory material : en fr
  • CA427068A - Paraffinic hydrocarbon reaction process : en fr
  • FR898454A - Gear changing device for electric vehicles, and in particular for rail locomotives : en fr
  • CA426971A - Heat exchanger : en fr
  • CA426972A - Sealing washer : en fr
  • US2374183A - Silver solder : en
  • USD140939S - Bracelet or similar article : en
  • IE17191L - Drying apparatus : en
  • FR898544A - Process for manufacturing agglomerated cores by spinning a mixture of magnetic powder and insulating material, in particular for high frequency : en fr
  • GB568872A - Improvements in and relating to shopping and like bags : en
  • US2374190A - Engine : en
  • US2374569A - Heater : en
  • US2374180A - Frame for furniture or the like : en
  • US2374599A - Contour rolling means : en
  • CA427101A - Artificial sound production system : en fr
  • GB568838A - Improvements in and connected with enclosed electric tumbler switches : en
  • US2374521A - Refrigeration : en
  • US2374313A - Treatment of hydrocarbons : en
  • AU1954245A - Improvements in or relating to sewing machines : en
  • FR898643A - Slit shutter for cameras : en fr
  • FR898433A - Film embossing process : en fr
  • FR898458A - Electrical measurement recording device : en fr
  • US2374414A - Polishing composition : en
  • GB568876A - Improvements in and relating to a tool having a diamond or like tip for turning, grooving and the like : en
  • GB568896A - Stabilised lead alkyl and aviation gasoline containing it : en
  • GB568879A - Improvements relating to wire drawing machines : en
  • AU130958B2 - 2-methoxy-6-chloro-9-[w-(unsymmetrical-dialkylamino) polymethyleneamino] acridines anda process for preparing same : en
  • US2374250A - Engine : en
  • US2374522A - Trap : en
  • CA427079A - Fibreboard box : en fr
  • GB568955A - Improvements in chain-tensioning devices : en
  • FR898540A - Improvements to circular sieves : en fr
  • FR898402A - Process for obtaining malleable aluminum alloy parts : en fr
  • US2374324A - Ground cable clamp for electric welding machines : en
  • US2374264A - Communication system : en
  • CA426948A - Ice creeper : en fr
  • US2374252A - Apparatus for the production of acetylene and carbon black by the pyrolysis of hydrocarbon gases and vapors : en
  • US2374335A - Triazole derivatives : en
  • US2374490A - Shower enclosure : en
  • US2374543A - Method of determining the characteristics of piezoelectric crystals : en
  • US2374554A - Apparatus for feeding clay to molds : en
  • USD140984S - Design fob a perfume container : en
  • US2374322A - Lathe : en
  • CA426994A - Isobutylene polymer production : en fr
  • FR898569A - Process for producing flexible lacquers : en fr
  • US2374300A - Shuttering for use in building structures of concrete or like material : en
  • US2374374A - Multiplying machine : en
  • FR898545A - Airtight and moisture proof casing for dry straightener tablets : en fr
  • CA427059A - Motor driven centrifugal pump : en fr
  • GB568840A - Improvements in or relating to a photographic copying apparatus : en
  • GB568883A - Improvements in chromium recovery : en
  • AU119841B2 - Attachable lounge chair swivel writing and reading table : en
  • AU119835B2 - A method of purifying electrolytes and improved purification agent for use therein : en
  • GB568915A - Improvements in radio receivers : en
  • US2374509A - Rewinding mechanism for cameras : en
  • CA427088A - Coded signalling system : en fr
  • US2374260A - Article treating means : en
  • US2374287A - Photoelectric device : en
  • US2374476A - Hydrogen halide recovery : en
  • USD141016S - Design for an end cabinet : en
  • US2374244A - Rotary assemblage : en
  • CA427009A - Suction cleaning apparatus : en fr
  • CA427085A - Optical system : en fr
  • CA427056A - Emissive filament manufacture : en fr
  • USD140997S - Design for a handle for brushes : en
  • CA426976A - Bowling pin support centering mechanism : en fr
  • US2374346A - Container : en
  • US2374551A - Brake for fishing reels : en
  • FR898539A - Adjustable frequency and voltage converter : en fr
  • USD141018S - Design fob a toy : en
  • GB568855A - Improvements in or relating to hydraulic controls : en
  • US2374555A - Method and apparatus for appendaging pottery ware : en
  • US2374567A - Multichannel carrier transmission system : en
  • US2374558A - Portable power-driven screw driver : en
  • US2374428A - Process for acylating esters of hydroxy carboxylic acids : en
  • US2374235A - Fluid compressor : en
  • US2374532A - Method of knitting : en
  • US2374217A - Ratchet measuring wrench : en
  • AU129495B2 - Method and apparatus for making fibers : en
  • CA427039A - Flow controlled switch : en fr
  • CA427046A - Collapsible chair : en fr
  • CA427038A - Liquid level gauge for tanks : en fr
  • CA427048A - Stocking elastic band : en fr
  • FR898421A - Pliers intended to find and locate the perforations of a pneumatic casing : en fr
  • FR898475A - Improvements made to spool holders : en fr
  • FR898567A - Process for preparing resinoid condensation products : en fr
  • US2374507A - Hydrocarbon conversion : en
  • FR898615A - Process for extracting a mixture of sterins containing 7-dehydrocholesterin from molluscs : en fr
  • FR898525A - Semi-automatic fluid mixer-doser : en fr
  • GB568825A - Improvements in or relating to circuit arrangements for generating signals suitable for automatic frequency control : en
  • GB568851A - Method of producing supporting walls from blocks of porous concrete or other suitable light material : en
  • FR898413A - Special process and material for the execution of screens, (concrete, bituminous products, metal, wood, etc.), cut and molded into the ground : en fr
  • FR898430A - Regulating device for transformer rectifier groups with progressive intensity adjustment : en fr
  • US2374526A - Brake : en
  • US2374405A - Production of butadiene : en
  • FR898619A - Improvements to terrestrial radiobeacons : en fr
  • IE17540L - Composite structural members : en
  • GB568891A - Ice-cream hardening and dispensing cabinet : en
  • US2374298A - Boom angle and radius indicator : en
  • US2374399A - Apparatus for cleaning hot blast stove flues : en
  • DK63419C - Procedure for Dissolving or Softening Linear High Polymer Compounds. : da en
  • FR898416A - New titanium and tungsten carbide its manufacture and applications : en fr
  • US2374639A - Oil temperature control valve : en
  • FR898623A - Automobile heater air heater : en fr
  • USD140944S - Design fob a brooch pin ob similar article : en
  • CA426999A - Chemical process and product : en fr
  • US2374456A - Apparatus for extracting fruit juices : en
  • US2374234A - Stabilization of fatty materials : en
  • US2374381A - Drying oil products and process of : en
  • US2374469A - Pneumatic control means for photocomposing machines : en
  • AU2041445A - Improvements in or relating to hemoglobin solutions : en
  • US2374484A - Esters of nitrohydroxy compounds : en
  • US2374579A - Double reed : en
  • US2374282A - Spot-signal light : en
  • CA426974A - Bowling pin setting device : en fr
  • USD140956S - Design for a doll : en
  • US2374370A - Saturated and unsaturated 17-hydroxyandrostanes, their derivatives and substitution products and process of making same : en
  • US2374420A - Molding form : en
  • USRE22638E - Razor : en
  • CA427108A - Phase modulating system : en fr
  • US2374440A - Garment : en
  • US2374289A - Electroplating : en
  • USD140942S - Design fob a brooch pin : en
  • US2374406A - Post setter and puller : en
  • USD140974S - Design for a glass candle holder or article of similar nature : en
  • FR898552A - Process for preparing aqueous solutions of single and mixed polymerizates of methacrylic amide insoluble in water : en fr
  • FR898461A - Process for the direct manufacture of calcium cyanamide and analogous nitrogen compounds : en fr
  • FR898605A - Automatic rusk cutter : en fr
  • DK63415C - Procedure for the production of paint varnishes. : da en
  • FR898417A - Improvements made to fuel injection carburettors, in particular those used to power aircraft engines : en fr
  • GB568837A - Improvements in and relating to multi-position electric tumbler switches : en
  • US2374379A - Process for the manufacture of reduction products from unsaturated fatty acids or their derivatives : en
  • US2374453A - Process for producing ferrous chloride : en
  • US2374444A - Cleat attachment : en
  • USD141006S - Toy boat or similar article : en
  • US2374215A - Testing apparatus : en
  • US2374388A - Treating inherently aging chromium-nickel stainless steel : en
  • FR898608A - Children's scooter : en fr
  • FR898633A - Improvements to electric storage water heater tanks : en fr
  • US2374442A - Device for use in connection with ash trays for cigarettes : en
  • US2374481A - Container : en
  • USD140963S - Design for a dress : en
  • US2374426A - Storm window fastener : en
  • CA426965A - Printing apparatus : en fr
  • USD140971S - Design fob a woven textile fabkic : en
  • FR898428A - Manufacturing process of tungsten or molybdenum carbides and their sintered alloys : en fr
  • US2374251A - Cycling automatic engine starter : en
  • US2374393A - Screw thread repairing device : en
  • FR898611A - Device for fixing flywheels, pinions and the like to smooth shafts, in particular sound recording apparatus : en fr
  • GB568884A - Improvements in or relating to emulsion polymerization processes : en
  • GB568956A - Improvements in paper feeding mechanism for statistical, accounting and like machines : en
  • FR898599A - Apparatus for the treatment of plants by spraying a liquid : en fr
  • FR898584A - Turbo-machine with blades welded to a blade carrier : en fr
  • US2374463A - Piston skirt expander : en
  • FR898479A - Improvements to lifting devices : en fr
  • US2374317A - Well production equipment : en
  • US2374330A - Garment hanger : en
  • CA427023A - Furnace stoker : en fr
  • US2374542A - Clutch : en
  • GB568926A - Improvements in or relating to gauges : en
  • US2374523A - Protective apparatus for fluid meters : en
  • GB568960A - Improvements in and relating to high pressure mercury vapour discharge tubes : en
  • CA427050A - Bottle cap spot machine : en fr
  • US2374505A - Photographic multicolor images : en
  • US2374337A - Arylene diamine compounds : en
  • US2374368A - Syringe : en
  • US2374506A - Buoyant apparel : en
  • US2374606A - Aircraft heating system : en
  • FR898404A - Suspension bandage for lower thigh prostheses : en fr
  • US2374172A - Wrapping machine : en
  • FR898557A - Automatic or semi-automatic cleaning of gravity-fed hearths and related hearth supplements : en fr
  • GB568845A - Improvements in or relating to methods of and means for printing with photogravure or intaglio plates and cylinders : en
  • AU941943A - Improvements in and relating to sliding clasp fasteners : en
  • US2374290A - Adjustable liquid fuel burner : en
  • US2374320A - Drop leg support for trailers : en
  • US2374371A - Apparatus for the animating of : en
  • US2374624A - Precast foundation : en
  • USD140973S - Baur multiple spray gun : en
  • US2374321A - Fare registering mechanism : en
  • US2374182A - Invalid walker : en
  • US2374574A - Pipe flange : en
  • CA427086A - Ticket printing mechanism : en fr
  • US2374318A - Dog drive for the step by step actuation of films : en
  • GB568913A - Improvements relating to the temperature control of vapour phase chemical reactions : en
  • FR898445A - Jaw control device for automatic progressive clamping drill chucks : en fr
  • US2374508A - Valve lifter : en
  • CA426960A - Paper machine suction box cover : en fr
  • CA426998A - Extrusion device : en fr
  • GB568944A - Improvements in radio receivers : en
  • US2374342A - Fan : en
  • US2374380A - Internal-combustion engine : en
  • US2374212A - Process of extracting biotin : en
  • FR898503A - Internal sprinkler device for rinsing and possibly for extinguishing fires inside closed tanks intended for transport or storage of liquid : en fr
  • USD141024S - Design for an electric fixture hanger plate : en
  • GB568827A - Improvements in and relating to electric temperature control apparatus : en
  • CA427036A - Hydraulic control system : en fr
  • CA427097A - Piezoelectric device : en fr
  • CA426950A - Packing tray : en fr
  • FR898543A - Polarized relay : en fr
  • CA427092A - Chlorine detection by electrode depolarization : en fr
  • US2374583A - Cooking utensil : en
  • USD140975S - Design for a pocket lighter : en
  • US2374345A - Fastener inserting machine : en
  • GB568846A - Improvements in or relating to writing implements : en
  • CA426943A - Hand loom : en fr
  • FR898490A - Steamer for cooking food : en fr
  • CA427120A - Sodium and potassium hydride production : en fr
  • US2374209A - Process for treating fruit : en
  • AU124978B2 - Improvements in or relating to engine shipping case : en
  • DK63417C - Typewriter table. : da en
  • FR898407A - Process for producing aqueous or aqueous organic solutions of highly viscous mixed polymerizates derived from methacrylic amide : en fr
  • US2374390A - Receptacle : en
  • GB568826A - Improvements in or relating to systems of illumination : en
  • US2374432A - Lateral shift mower : en
  • DK63420C - Process for the Preparation of Esters of Aminotriazine-Formaldehyde Condensation Products. : da en
  • FR898437A - Manufacture of a flexible sole for shoes, made of wood or any other material than leather : en fr
  • US2374364A - Turning machine controlled by the diameter of the work : en
  • GB568873A - Improvements in hydraulically operated die casting machines of the pressure type : en
  • FR898516A - Valve assembly for heat engine : en fr
  • US2374351A - Thermally hardening steel : en
  • FR898464A - Process for the recovery of used shoes : en fr
  • US2374475A - Sighting device : en
  • GB568852A - Improvements relating to the mounting of panels and the like : en
  • US2374530A - Wrecking tool : en
  • FR898418A - Improvements to enrichment devices for the explosive mixture supplied by the carburetors : en fr
  • US2374392A - Treatment of chain links : en
  • FR898629A - Engine power improvements : en fr
  • CA427083A - Navigation instrument : en fr
  • US2374253A - Production of butadiene : en
  • FR898571A - Machine for line printing using reverse text clichés : en fr
  • FR898463A - Process for manufacturing electrofused spinel in the pure state : en fr
  • CA426988A - Discharge lamp operating mechanism : en fr
  • GB568938A - Improvements in morse or other code operated printers or teleprinters : en
  • US2374339A - Cup finishing apparatus : en
  • US2374437A - Fluid pulsator : en
  • US2374566A - Reflection means for presenting pictures : en
  • GB568942A - Dynamos : en
  • US2374603A - Coating material : en
  • GB568949A - Treatment of seeds and tubers : en
  • US2374329A - Garment hanger : en
  • USD140986S - Schurr boring machine : en
  • US2374214A - Conductive papers : en
  • US2374224A - Flexible hose coupling : en
  • US2374257A - Motor control system : en
  • US2374377A - Pyrometer tube : en
  • FR898513A - Aircraft rotary wing control : en fr
  • GB568932A - Improvements in or relating to the manufacture of cellulose esters : en
  • CA427052A - Resinous composition : en fr
  • US2374479A - Insecticide : en
  • US2374360A - Power transmitting mechanism : en
  • CA427065A - Arc welding method : en fr
  • CA426937A - Ice skate : en fr
  • AU1868745A - Improvements in or relating to engine shipping case : en
  • USD140960S - Design for a dress : en
  • US2374495A - Secret signaling system : en
  • CA427078A - Writing machine attachment : en fr
  • CA427110A - Welding transformer : en fr
  • CA426996A - Water-treating agent : en fr
  • DK63411C - Electrical insulation material based on condensation products of organic compounds. : da en
  • FR898441A - Simplified control for gear change for bicycle by chain derailment : en fr
  • US2374482A - Apparatus for effecting the shrinking or the stretching of textile fabrics : en
  • US2374419A - Razor blade sharpener : en
  • US2374382A - Cellular carton : en
  • AU119830B2 - Improvements relating to fabricated metal bodies having passageways formed therein : en
  • GB568923A - A stand or stillage for storage and transportation of light-alloy sheets and the like : en
  • US2374375A - Illuminated brooch : en
  • US2374193A - Preparation of organic sulphonates : en
  • CA427004A - Polymerization process : en fr
  • AU1126643A - An improved electric lighter : en
  • US2374333A - Multiplying calculator : en
  • GB568925A - Improvements in or relating to spring guns for use in toys and games : en
  • US2374334A - Combine : en
  • US2374435A - Snap-action mechanism : en
  • CA426993A - Polythiourea : en fr
  • USD140982S - Design for a dress : en
  • US2374550A - Joint for structural framework : en
  • US2374208A - Heat exchanger : en
  • US2374232A - Desiccating apparatus : en
  • AU2001545A - 2-methoxy-6-chloro-9-[w-(unsymmetrical-dialkylamino) polymethyleneamino] acridines anda process for preparing same : en
  • FR898472A - Sole for wood charcoal oven : en fr
  • AU126497B2 - Improvements in electric welding apparatus : en
  • GB568839A - Improvements in or relating to elevator control systems : en
  • USD140952S - Brooch pin or similar article : en
  • CA427043A - Expansible honing tool : en fr
  • CA426985A - Furnace heat indicator : en fr
  • CA427035A - Electrical condenser : en fr
  • CA427062A - Alkyl urea-formaldehyde resin : en fr
  • CA426961A - Folding stool : en fr
  • US2374562A - Treatment of hydraulic cement compositions : en
  • USD140947S - Design for a brooch pin or similar article : en
  • AU119827B2 - Improvements in and relating to sliding clasp fasteners : en
  • CA427069A - Saturated hydrocarbon production : en fr
  • SE113921C1 - : en
  • FR898442A - Mechanical saw for small packaging : en fr
  • US2374195A - Valve : en
  • US2374221A - Radio tube socket : en
  • US2374307A - Smoker's appliance : en
  • US2374207A - Dual-rotation test drive : en
  • US2374410A - Earth-moving equipment : en
  • US2374534A - Railway car truck : en
  • CA426949A - Felting needle : en fr
  • CA427045A - Brake controlling device : en fr
  • GB568842A - Improvements in or relating to tethering appliances in cow-stalls and the like : en
  • CA426969A - Rubber article leakage preventing process : en fr
  • AU1068043A - Improvements relating to fabricated metal bodies having passageways formed therein : en
  • FR898483A - Clutch for forging machine : en fr
  • US2374515A - Heat treatment of the insulating coverings of electric wires and cables : en
  • US2374619A - Valve for pressure chambers : en
  • DK63416C - Firewood for veterinary use. : da en
  • CA427100A - Telephone system : en fr
  • US2374270A - Locating and securing device : en
  • CA426967A - Motor vehicle body : en fr
  • FR898614A - Spectacle lens containing neodymium : en fr
  • FR898492A - Sealing tab for writing paper : en fr
  • USD140959S - Design foe a dress : en
  • FR898589A - Process for preparing resinoid diurethanes : en fr
  • GB568881A - Improvements in or relating to sound-record cutters : en
  • USD140995S - Design fob a handle fob brushes : en
  • US2374571A - Bag feeding, turning, and delivering mechanism : en
  • AU119824B2 - Improved method of, and apparatus for, disintegrating fibrous material for use inthe manufacture of paper : en
  • US2374613A - Strainer : en
  • USD141019S - Design for a wheeled toy : en
  • US2374279A - Fish lure : en
  • CA427091A - Fluid flow indicator : en fr
  • CA427010A - Refrigerator cabinet : en fr
  • CA426942A - Character recording machine : en fr
  • CA426970A - Cream chilling and packing process : en fr
  • AU129706B2 - Apparatus for generating sweep voltages : en
  • CA427074A - Roll and wheel combination : en fr
  • CA426946A - Game board : en fr
  • CA427022A - Reinforced wrapper : en fr
  • CA426938A - Electric eraser : en fr
  • CA427047A - Vulcanized rubber product : en fr
  • GB568857A - Improvements relating to smoke detecting apparatus : en
  • CA427014A - Field discharge circuit breaker : en fr
  • US2374537A - Automatic article selecting system and apparatus : en
  • US2374472A - Fingernail drier : en
  • AU1136243A - Attachable lounge chair swivel writing and reading table : en
  • AU921243A - Improved method of, and apparatus for, disintegrating fibrous material for use inthe manufacture of paper : en
  • US2374402A - Machine for typewriting on cartons : en
  • CA426963A - Automobile crane : en fr
  • US2374556A - Apparatus for appendaging prefabricated pottery ware : en
  • USD140955S - Fork or other article op flatware : en
  • AU119823B2 - Improvements in or relating to electric dry batteries : en
  • US2374161A - Lamp shading device : en
  • CA427034A - Electrical condenser : en fr
  • CA427031A - Brake beam support : en fr
  • CA426986A - Insulated electric conductor : en fr
  • FR898408A - Process for preparing aqueous solutions of single and mixed polymerizates of methacrylic amide insoluble in water : en fr
  • US2374293A - Push-button tuner : en
  • US2374511A - Process for effecting catalytic reactions : en
  • US2374622A - Outlet box arrangement for electrical wiring systems : en
  • US2374316A - Oil soluble resins : en
  • US2374348A - Chuck and electrode : en
  • US2374352A - Discharge lamp circuit : en
  • FR898644A - UHF mixer tube : en fr
  • GB568820A - Improvements in or relating to the manufacture of hollow concrete beams : en
  • DK63421C - Device by Radsaamaskiner. : da en
  • FR898460A - Silo for green fodder : en fr
  • FR898531A - Improvements to processes for the treatment of plant substances such as cork : en fr
  • GB568819A - Improvements in and relating to the manufacture of laminated shaped articles : en
  • USD140993S - Design fob a toy boat ob similar article : en
  • US2374222A - Ammunition package : en
  • USD140978S - Design fob a dress : en
  • US2374213A - Cleansing compositions : en
  • US2374499A - Electric condenser : en
  • FR898478A - Oil bath crankset for cycles : en fr
  • USD140967S - Design fob a dress : en
  • CA426981A - Combustion apparatus : en fr
  • CA427072A - Autographic register : en fr
  • CA427102A - Acoustic device : en fr
  • US2374397A - Cement container : en
  • US2374439A - Indicating device : en
  • USD140999S - Design for a brooch pin or similar article : en
  • US2374524A - Method of forming transferable silk screen stencils : en
  • FR898452A - Improvements to the processes and devices used for drying foundry molds and cores : en fr
  • FR898505A - Improvements to two-stroke opposed piston engines : en fr
  • US2374361A - Autographic register machine : en
  • FR898551A - Process for producing aqueous solutions of single and mixed polymerizates of methacrylic amide insoluble in water : en fr
  • GB568921A - Improvements in or relating to pressure actuated valves : en
  • FR898560A - Reversible delivery funnel : en fr
  • US2374266A - Lock nut : en
  • US2374362A - Means for sharpening bits : en
  • FR898572A - Gas burner : en fr
  • CA426992A - Polymeric material shaping apparatus : en fr
  • CA427107A - Telephone substation circuit : en fr
  • US2374268A - Apparatus for filling cans and other containers : en
  • US2374314A - Plaited garment : en
  • US2374421A - Holder for welding electrodes : en
  • US2374184A - Absorption refrigerating apparatus : en
  • US2374373A - Wire stitching machine : en
  • DK63427C - Procedure for Making Waterproof Plaster. : da en
  • FR898412A - Alpha-nitro-piazthiol and its preparation process : en fr
  • GB568829A - Improvements in spoons : en
  • FR898598A - Welded tank in curved sheets : en fr
  • FR898640A - Triangulated frame for bicycles and the like provided with elastic suspensions acting as shock absorbers : en fr
  • FR898403A - Process for the selective preparation of coumarone resins : en fr
  • US2374340A - Preparation of hexamethylene diisocyanate : en
  • FR898466A - Improvement in voltage regulators for lighting dynamos of motor vehicles and others : en fr
  • FR898576A - Process for the preparation of products by reacting high molecular weight bodies having more than one unsaturated bond with acids or anhydrides of inorganic acids : en fr
  • GB568914A - Manufacture of polyvinyl acetal resins : en
  • FR898469A - Machine for binding several sheets of paper or the like and in particular machine for closing letters, processes and products resulting therefrom : en fr
  • USD140989S - Design for a record player : en
  • FR898582A - Ship : en fr
  • US2374258A - Infeed control for worm gear hobbing machines : en
  • FR898401A - Washing agent for animal fibers : en fr
  • FR898580A - Assembly making it possible to produce sudden variations in current and / or voltage and device comprising such an assembly : en fr
  • FR898497A - Scraping device for conveyor belts : en fr
  • US2374204A - Apparatus for recording seismic waves : en
  • US2374328A - Process for preparing nitro-bz-1:bz-1'-dibenzanthronyls : en
  • USD140964S - Handle for stove door or similar article : en
  • CA427041A - Optical objective : en fr
  • US2374611A - Furnace door : en
  • FR898581A - Projection device for automatic and continuous reproduction of individual images : en fr
  • GB568952A - Improvements in and relating to electrical remote control systems : en
  • USD140990S - Design for a toy : en
  • FR898420A - Improvements to the routing lever switch stations without electromechanical locking of the control station components : en fr
  • FR898448A - Improvements to automatic cinematographic film processing machines : en fr
  • FR898515A - Hitch for bicycle trailers and the like : en fr
  • GB568860A - Typewriter platen : en
  • GB568895A - Mechanical hod apparatus : en
  • CA426962A - Segmental washer : en fr