• US2069337A - Multigrid tube regenerative circuit : en
  • US2069595A - Recording and reproducing apparatus : en
  • US2069257A - Process of and apparatus for manufacturing artificial leather or the like : en
  • US2069345A - Trunk compartment : en
  • USD102987S - Design for a sink : en
  • USD103000S - Design for a beverage cooler cabinet : en
  • US2069316A - Transmission of sound currents : en
  • CA363799A - Telephone signalling system : en fr
  • USD103004S - Design for a plate or similar article : en
  • USD102988S - Design fob a bracelet : en
  • US2069359A - Cooling system : en
  • US2069271A - Torsional vibration recording instrument : en
  • DE632357C - Rubber brush for cleaning clothes, etc. : de en
  • US2069657A - Building construction : en
  • AU100170B2 - Improvements in or relating to navigation aiding wireless systems for use in connection with aircraft : en
  • US2069654A - Vegetable peeler : en
  • CA363889A - Range : en fr
  • CA363922A - Die stock reamer : en fr
  • US2069334A - Leaved package structure and closure : en
  • US2069342A - Railway signaling apparatus : en
  • GB460633A - Improvements in or relating to power hammers or the like : en
  • ES143363A1 - A procedure to tie boxes, bullets or other packaging. : en es
  • GB460743A - Improvements in illuminating devices comprising mercury vapour discharge tubes : en
  • GB460778A - Improvements relating to methods of conveying pulverulent or quasi-liquid material from a tank by means of compressed air : en
  • US2069300A - Shipping carrier for rolls : en
  • CA363824A - Laminated glass plastic : en fr
  • FR47171E - Automatic gear change : en fr
  • GB460797A - Improvements in laminated springs : en
  • FR47157E - Vehicle with combinable elements to give a body either open or closed : en fr
  • AU100169B2 - Improvements in or relating tothe flushing valves of WC. cisterns : en
  • US2069591A - Drive chain : en
  • FR808363A - Improvement in hydraulic or pneumatic adjustment of electrodes of electric arc furnaces : en fr
  • GB460847A - Improvements in or relating to abrading : en
  • USD102985S - Design for a textile fabric or simi : en
  • DK52636C - Method for Making Resistant Aqueous Emulsions. : da en
  • FR808331A - Auto towing sled : en fr
  • US2069441A - Electron tube : en
  • GB460589A - Improvements in or relating to liquid dispensing machines : en
  • GB460626A - An improved process and apparatus for making artificial silk effect yarn, by production of knots, snarls, or the like : en
  • ES143349A1 - Improvements in the manufacture of electric lamps with fuse mounted on it. : en es
  • GB460624A - Improvements in or relating to collapsible cardboard boxes : en
  • US2069647A - System of sculptural reproduction in three dimensions by means of instantaneous photography : en
  • AU100257B2 - Improved binding material specially suitable for shoes andother footwear : en
  • AU197136A - Under-water valve for flushing cisterns : en
  • US2069463A - Storage battery grid : en
  • US2069469A - Process for the production of metals and alloys with very small contents of carbon : en
  • US2069684A - Growth exterminator : en
  • US2069481A - Refrigerated truck : en
  • US2069495A - Hydrogen regulator for converter spark gaps : en
  • US2069526A - Gear shifting mechanism : en
  • FR808391A - Roller refinements : en fr
  • DE641512C - Vibrating screen : de en
  • DE641522C - Howling tone generator : de en
  • ES143325A1 - A drill, especially for hard salts. : en es
  • FR47168E - Fastening device for passengers or flight crew : en fr
  • GB460804A - Improvement relating to coffin handles : en
  • US2069616A - Car end structure : en
  • US2069617A - Hand grill : en
  • US2069283A - Electric arc device : en
  • US2069568A - Free running sulphur : en
  • GB460810A - Improvements in or connected with rocking horses : en
  • GB460869A - Improvements in or relating to steam generators : en
  • GB460718A - Improvements in or relating to cameras : en
  • FR808293A - Process for the introduction of gases, in fine and extremely fine division, into liquids, and for the mixing and emulsification of substances of any phase : en fr
  • US2069532A - Thermionic filament of variable capacity : en
  • USD103033S - Design for a salt and pepper shaker : en
  • DE641513C - Footwear sewing machine : de en
  • USD102999S - Design for a chair or similar article : en
  • GR6279B - METHOD FOR REPLACING A PART OF COCAU THROUGH SOYA SEEDS IN THE MAKING OF CHOCOLATE, COVER AND COCOA POWDER. : el en
  • FR808230A - Advanced joist : en fr
  • FR808236A - AC remote control systems : en fr
  • GB460752A - Improvements relating to lock chamber arrangements for bucket hoisting installations in air shafts : en
  • GB460622A - Improvements in or relating to adjustable windows : en
  • GB460824A - Improvements in or relating to shaft clutches actuated by liquid under pressure : en
  • FR808296A - Movable floor track for toy cars : en fr
  • GB460848A - Improvements in or relating to photographic stop and repeat contact printing machinesfor use in the production of photomechanical printing rollers : en
  • GB460661A - New or improved apparatus for the mechanical automatic feeding and/or controlled delivery of objects such as balls : en
  • DE641575C - Reinforcement framework, in particular for securing structures against earthquake damage : de en
  • FR808348A - Improvements in the construction systems of gas or gasified fuel burners : en fr
  • DE641547C - Movable lift for vehicles : de en
  • US2069521A - Polyphase oscillator : en
  • FR808281A - Improvements to radio signaling systems : en fr
  • GB460715A - Radio antenna retracting mechanism : en
  • FR808269A - Electric lock for automatic control of all extinguishing or fire protection devices : en fr
  • US2069224A - Interconnecting telegraph repeater system : en
  • FR808317A - Shock absorber for vehicles or other applications : en fr
  • US2069403A - Process for making alkali metal alcoholates : en
  • CA363917A - Vanity case : en fr
  • US2069466A - Internal combustion engine governor : en
  • US2069461A - Diazoamino compounds and process : en
  • GB460744A - An improved method and apparatus for simultaneously spinning and twisting artificial threads : en
  • USD102982S - Design fob a sandal or similar : en
  • US2069722A - Pipe leak sealing gasket : en
  • FR808364A - Imitation of any painting on glass, stained glass, etc. : en fr
  • GB461184A - Improvements in or relating to the manufacture of a beverage from whey : en
  • DE641614C - Process for the production of folds and fold patterns on leather for leather goods and other flat materials : de en
  • US2069658A - Method of coating strip steel and product : en
  • US2069445A - Parking post : en
  • GB460619A - Improvements in and relating to motor road vehicles : en
  • FR808333A - Centrifugal pump : en fr
  • US2069513A - Radio transmitting and receiving system : en
  • AU100136B2 - Process for producing anti-detonating fuels : en
  • AU100146B2 - Process of producing capsules : en
  • AU100160B2 - Apparatus for moulding rubber boots and shoes : en
  • CA363840A - Tire cover : en fr
  • DE641510C - Surveyor with Bussole : de en
  • DE641618C - Boxer figure serving as an exercise device for sports purposes : de en
  • US2069333A - Package structure : en
  • US2069565A - Piston : en
  • US2069301A - Toilet seat : en
  • US2069340A - Automatic intermittent flush valve : en
  • GB460780A - Improvements relating to flexible power transmission shafts : en
  • GB460799A - Improvements in or relating to vehicle bodies : en
  • DE641467C - Process for producing centrifugal molds : de en
  • US2069551A - Diaphragm and associated device : en
  • US2069589A - Machine for manufacturing pavements from vulcanizable materials : en
  • US2069736A - Tennis racket vise : en
  • FR808308A - Improvements to cartridges, in particular for lubricants, and their manufacturing process : en fr
  • US2069297A - Valve : en
  • US2069220A - Railway truck : en
  • CA363935A - Measuring mechanism : en fr
  • FR47164E - Improvements to the t antennas. s. f. : en fr
  • FR808398A - Holder for pasta tubes, especially for toilet pastes : en fr
  • DE641544C - Fire chamber fluid switch : de en
  • FR808381A - Carburetor without constant level tank : en fr
  • GB460679A - A new or improved lock : en
  • US2069467A - Friction clutch : en
  • CA363930A - Window controller : en fr
  • USRE20259E - Water cooler : en
  • US2069280A - Composite structural steel and reenforced concrete construction : en
  • FR808287A - cabinetry for radios and phonographs : en fr
  • GB460609A - Improvements in and relating to portable vanity-case combined with hand-bag : en
  • DE639524C - Pressure-resistant explosive cartridge : de en
  • DK52647C - Method with associated apparatus for the manufacture of welded rail joints or for the overlay welding of rails. : da en
  • US2069579A - Garment : en
  • USD103028S - Design fob a creamer or similar : en
  • US2069628A - Overcoat : en
  • US2069462A - Projectable eraser : en
  • GB460736A - Improvements in or relating to waterproof cement, concrete, lime-plaster and the like lime-containing compositions : en
  • GB460834A - Improvements in or relating to apparatus for accelerated crystallisation : en
  • US2069231A - Hand punch : en
  • USRE20260E - Waxing pad : en
  • DK52649C - Reflector. : da en
  • USD103043S - Pull assembly for automobiles : en
  • CA363933A - Match box : en fr
  • CA363934A - Engine cylinder grinding machine : en fr
  • CA363795A - Fish bait : en fr
  • US2069265A - Stabilized fats and oils : en
  • USD103065S - Design for a bottle : en
  • US2069323A - Helical gear shaping machine : en
  • US2069547A - Product and process of sulphation of compounds obtained by hydrogenation of carbon oxides : en
  • ES143376A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 142977 : en es
  • US2069203A - Production of rustless iron : en
  • US2069457A - Window sash holder : en
  • FR808232A - Process of delignification and bleaching of celluloses by controlled method, with preservation of the material from any attack by reagents : en fr
  • GB460882A - Improvements in or relating to rail cars : en
  • ES143319A1 - Chemical substance, with its corresponding use. : en es
  • US2069303A - Process of treating textile materials and product thereof : en
  • US2069581A - Power operated tooth brush : en
  • US2069524A - Die for connecting pipes : en
  • US2069638A - Electric lamp or similar device : en
  • US2069696A - Patty machine : en
  • USD103084S - Design for a textile fabric : en
  • GB460615A - Improvements in and relating to aluminium bronzes : en
  • GB460597A - Apparatus for photographic development : en
  • GB460762A - Improvements in and relating to petrol gauges or liquid level indicators for use on motor road vehicles : en
  • AU100156B2 - Improvements in stop valves : en
  • DE641485C - Winch with winding device : de en
  • US2069533A - Process of removing wax and resins from shellac : en
  • US2069719A - Window antirattler : en
  • USD102994S - Design for a casing for a suction : en
  • USD103029S - Design for a sugar bowl or similar : en
  • US2069284A - Electrothermal therapeutic apparatus : en
  • US2069380A - Container : en
  • US2069468A - Suspension for luminescent tubes : en
  • US2069695A - Safety reel for a blasting cable : en
  • FR808450A - Centrifugal or rotary compressor drive device supercharging an aircraft engine : en fr
  • CA363923A - Vehicle direction signal : en fr
  • US2069543A - Process of polymerizing hydrocyanic acid and product thereof : en
  • USD103019S - Design fob a shoe : en
  • US2069196A - Method of and apparatus for making open hearth steel : en
  • GB460754A - Improvement in air circulating apparatus : en
  • US2069267A - Apparatus for supporting demountable bodies : en
  • US2069325A - Process and mechanism for separating intermixed divided materials : en
  • CA363835A - Tire cover : en fr
  • FR808248A - Process for the preparation of resin-like condensation products : en fr
  • FR808275A - Electric vacuum cleaner for drainage of wounds and body cavities : en fr
  • US2069239A - Trailer light : en
  • FR47181E - Dry straightener : en fr
  • FR808260A - Thermal insulation device for refrigerators, refrigerated cabinets, and other applications : en fr
  • GB460588A - Improvements in or relating to the drying of milk, milk products and milk mixtures : en
  • FR808259A - Thermal insulation system for refrigeration cabinets and similar applications : en fr
  • US2069646A - Rotary engine : en
  • CA363804A - Road loader and mixing machine : en fr
  • CA363818A - Electric discharge apparatus : en fr
  • US2069611A - Window regulating device : en
  • US2069709A - Holder for pressure medium containers or cartridges : en
  • GB460652A - Improvements in calculating machines, tabulating machines, billing machines, adding machines and accounting machines : en
  • FR808397A - Regenerative pump for aquarium water jets or the like : en fr
  • DE641585C - Ink bottle, in particular for filling fountain pens : de en
  • DE641504C - Circuit arrangement for automatic or semi-automatic private branch exchanges : de en
  • DE641576C - Device for recording and playing back records : de en
  • FR47174E - Advanced tank for oils or other liquids : en fr
  • FR808405A - Jacquard mechanism for straight knitting machines : en fr
  • DE641452C - Whisker : de en
  • FR808315A - Manufacturing process for glass tubes with exactly determined interior surface : en fr
  • US2069475A - Dyestuffs of the gallocyanine series : en
  • US2069227A - Process for producing decorated surfaces : en
  • US2069506A - Motor-driven kitchen utensil : en
  • US2069670A - Thiazine dyestuff and process of : en
  • AU25036A - Process and apparatus for cleaning the interior surfaces of heat exchangers andthe like : en
  • FR808320A - Apparatus for spraying metals and similar applications : en fr
  • FR808321A - Lighting or irradiation device comprising a liquid-cooled high pressure vapor atmosphere discharge tube : en fr
  • GB460835A - Improvements in and relating to apparatus for detecting the presence of mercury vapour or other impurities in the atmosphere : en
  • FR808217A - Horse oil and its manufacturing process : en fr
  • FR808366A - Process for preparing a material for road surfacing : en fr
  • US2069350A - Guano distributor : en
  • US2069471A - Antifriction screw : en
  • DE641590C - Device for prestressing the reinforcement bars in reinforced concrete bars : de en
  • FR808274A - ladder : en fr
  • CA363869A - Crystalline abrasive production : en fr
  • GB460782A - The manufacture of azo dyestuffs insoluble in water : en
  • FR808416A - Process, installation and device for the distillation, refining and purification of mineral, vegetable, tar, etc. oils. : en fr
  • ES143338A1 - A process for obtaining lubricating oils. : en es
  • FR808203A - Procedure for obtaining films reproducing natural colors and device for its application : en fr
  • GB460854A - Improvements in or relating to bituminous compositions incorporating india-rubber : en
  • GB460898A - Improvements in or relating to leclanche cells and a depolarizer for these : en
  • CA363829A - Bumper guard : en fr
  • DE641466C - Device for drying insulating oil : de en
  • FR47190E - Automatic vehicle hitching device : en fr
  • FR808251A - Method and device for increasing the running surface of pneumatic tires of vehicles and for increasing the grip of the wheels on the ground : en fr
  • GB460621A - Improvements in or relating to printing formes : en
  • DE641581C - Manufacture of permanent milk food : de en
  • FR47179E - Ornamental metal plaques for funerary monuments : en fr
  • FR808386A - Process for the fulling of wool and hair : en fr
  • USD103009S - Design for a plate ob similar article : en
  • FR47193E - Extra-sensitive percussion fuze : en fr
  • ES143334A1 - A process for obtaining dyes. : en es
  • CA363803A - Alloy : en fr
  • US2069328A - Loudspeaker installation for automotive radio sets : en
  • US2069423A - Ferrous alloy : en
  • US2069699A - Windshield wiper blade : en
  • US2069542A - Furnace : en
  • US2069366A - Control element for the flushing device in hydraulic gears : en
  • US2069723A - Baseball bat : en
  • DE641505C - Insulated electrical line, especially dynamo wire, the insulation of which consists of a single or multi-layer wrapping with threads of spun fiber : de en
  • GB460802A - Improvements in or relating to air-intakes for internal-combustion engines for aircraft : en
  • US2069437A - Piston and packing : en
  • USPP231P - Camellia : en
  • DE641539C - Closure for lace-up shoes by means of an endless belt : de en
  • ES143358A1 - Improvements in regulatory systems. : en es
  • ES143362A1 - A process for obtaining dyes. : en es
  • FR808209A - Milk anti-rise device : en fr
  • FR47197E - Extra-sensitive percussion fuze : en fr
  • US2069556A - Sealed powder container : en
  • FR808412A - Mobile insect catcher : en fr
  • GB460860A - Improvements in toy figures : en
  • GB460603A - Improvements in or relating to caps and similar headwear : en
  • GB460710A - Improvements in the manufacture and production of nitrogenous condensation products : en
  • DK52632C - Apparatus for Cutting Portions from a Stick of Ice Cream. : da en
  • FR808404A - Thermostatic device allowing the fuel supply cut-off to an oil, gasoline or fuel oil burner while reserving the free supply of a pilot burner : en fr
  • GB460695A - Improved means for manufacturing clay and marl products such as bricks, tiles, and the like : en
  • FR808332A - Multi-spindle winder : en fr
  • GB460732A - Improvements in or relating to fluid pressure governors : en
  • ES143348A1 - A provision for the manufacture of electric filters. : en es
  • FR808240A - Electric radiant ovens : en fr
  • CA363810A - Electric discharge lamp device : en fr
  • FR808294A - Process for simultaneously making cellulosic bodies or textile formations waterproof and wrinkle-resistant : en fr
  • DE641509C - Silo with air ducts : de en
  • USD103007S - Design for a plate ob similar article : en
  • USD103061S - Design for a textile fabric : en
  • US2069313A - Electric pick-up utilizing piezoelectric crystals : en
  • GB460811A - Improvements in or relating to processes of preparing soya beans for consumption, and the products resulting therefrom : en
  • GB460699A - Improvements in or relating to x-ray apparatus : en
  • CA363855A - Television system : en fr
  • CA363916A - Weather-strip : en fr
  • GB460688A - Improvements in mechanical shavers : en
  • CA363809A - Bridge control system : en fr
  • GB460857A - A process of manufacturing crystalline substances : en
  • DE641527C - Flat weft knitting machine : de en
  • DE641530C - Circuit for moving the car door of elevators : de en
  • GB460673A - Improvements in and relating to thermionic valve amplifiers : en
  • FR808212A - Movable wooden shoe sole : en fr
  • GB460594A - Manufacture of colouring matters from ª¤-arylene dicyanides : en
  • US2069577A - Railway track structure and method of installing the same : en
  • GB460709A - Television transmitter : en
  • USD102980S - Dksign fok : en
  • US2069592A - Bag making machine : en
  • CA363781A - Stereoscopic image production : en fr
  • US2069517A - Guide twister : en
  • CA363946A - Bridge playing cards : en fr
  • DK52654C - Doorless. : da en
  • GB460681A - Improvements in or relating to dog clutches or disengageable toothed gearing : en
  • CA363873A - Alloy : en fr
  • CA363866A - Yarn winding apparatus : en fr
  • DE626215C - Adjustable closure for buckle shoes : de en
  • US2069249A - Apparatus for gauging and straightening automobiles and parts thereof : en
  • AU32036A - Process for producing anti-detonating fuels : en
  • FR808351A - Color printing improvements : en fr
  • USD103024S - Design fob a refrigerator latch : en
  • GB460668A - Improvements in and relating to chilling apparatus, particularly for chilling liquids : en
  • CA363870A - Glass sheet case hardening apparatus : en fr
  • US2069553A - Control valve mechanism for material tanks : en
  • US2069703A - Filter for vacuum cleaners and the like : en
  • US2069707A - Adjustable typewriter support : en
  • CA363794A - Insulator pin : en fr
  • USD103025S - Design for a saxophone : en
  • US2069649A - Drain board tilting mechanism : en
  • USD103013S - Design for a shoe : en
  • CA363880A - Hydrocarbon oil cracking method : en fr
  • US2069671A - Shift mechanism : en
  • USPP232P - Peach tree : en
  • DE641586C - Lace holder : de en
  • ES143339A1 - A procedure to regulate the temperature in the production of lubricating oils by synthesis. : en es
  • FR808243A - Suspension for road vehicles : en fr
  • GB460803A - Improvements in or relating to packing cases or the like : en
  • GB461073A - Improvements in electro-dynamic sound reproducers : en
  • US2069424A - Sheet stacking apparatus : en
  • FR808329A - Thermal engine with separate combustion and compression : en fr
  • GB460598A - Improvements in or relating to the manufacture of hydrocyanic acid : en
  • CA363800A - Nitrosyl chloride and chlorine mixture : en fr
  • CA363874A - Enamel composition : en fr
  • CA363928A - Spark plug core : en fr
  • AU100139B2 - Method and apparatus for wrapping a coating upon a pipe : en
  • CA363945A - Hydrostatic sand pump : en fr
  • USD103020S - Design fok a shoe : en
  • US2069728A - Heat exchange device : en
  • DK52657C - Extruding nozzle for the production of hollow, molded stones on all sides. : da en
  • GB460876A - Improvements in or relating to sparking plugs : en
  • CA363953A - Heat exchanger : en fr
  • DE641521C - Contact bridge : de en
  • USD102993S - Design fob a medallion ob similar : en
  • DE641511C - Gyro crusher : de en
  • CA363914A - Photographic apparatus : en fr
  • GB460649A - Air-foam fire extinguishing agent : en
  • CA363868A - Fabric treating apparatus : en fr
  • GB460964A - Improvements in or relating to burners, more particularly for use with furnaces worked with liquid fuel, and a method of working same : en
  • US2069561A - Portable bed lamp : en
  • CA363907A - Textile material : en fr
  • US2069305A - Automatic reset circuit breaker : en
  • FR808244A - Combustion engine with separate injections for fuel and air and a special ignition device : en fr
  • CA363932A - Safety belt : en fr
  • GB460717A - Improvements in or relating to a method of treating oak wood for use in ageing of spirituous liquors : en
  • ES143332A1 - Procedure for the thermal obtaining of magnesium by reduction of raw materials containing magnesia, with the help of silicon. : en es
  • ES143335A1 - PROCEDURE FOR OBTAINING PHTHALOCYANINS : en es
  • FR808226A - Pilot system valve for governor or servo motor : en fr
  • FR808358A - New circuits, electrical devices, and their applications : en fr
  • GB460719A - Improvements in or relating to intermittent film feeding mechanism for kinematographic cameras : en
  • GB460586A - Manufacture of ascorbic acids : en
  • USD102992S - Design for a refrigerator cabinet : en
  • DE641573C - Two-layer flooring made of magnesium-containing materials : de en
  • USD103022S - Design for a shoe : en
  • FR808353A - Process for detecting and removing plant fibers from animal fibers : en fr
  • DK52651C - Aircraft with freely rotating Wings. : da en
  • FR808426A - Improvements to cellulosic tissue treatments and other similar products : en fr
  • US2069212A - Packing ring : en
  • US2069605A - Control arrangement for motors : en
  • GB460891A - Drying or conditioning apparatus : en
  • FR808277A - Gas detector : en fr
  • GB460841A - Improvements in and relating to motion transmitting mechanisms adapted, for instance, for the actuation of the control surfaces of aeroplanes : en
  • CA363790A - Metal reducing method : en fr
  • FR47196E - Extra-sensitive percussion fuze : en fr
  • GB460879A - Improvements in and relating to dynamo-electric machine aggregates, especially converters for welding purposes : en
  • US2069527A - Chuck adapted for stud driver or the like : en
  • GB460733A - A new or improved detachable wheel for motor cycles and the like : en
  • US2069195A - Rapid freezing device : en
  • US2069665A - Garage door : en
  • US2069344A - Brake mechanism : en
  • USD103021S - Design fob a button : en
  • DE641491C - Reinforced composite conduit, which consists of an inner metal tube and a winding of high tensile strength wire over it : de en
  • ES143340A1 - Procedure to improve the inalterability of lead anodes, especially in the electrolysis of alkali sulfates. : en es
  • FR808263A - Cable distributor intended in particular for television cable : en fr
  • FR808314A - Voltage regulators for alternating current circuits : en fr
  • FR808328A - Improvements to paper machines : en fr
  • US2069205A - Method of producing iron chromium alloys of appreciable nitrogen content : en
  • US2069596A - Method of treating oil : en
  • US2069666A - Spring cover : en
  • US2069194A - Gas purification material : en
  • US2069244A - Trigger mechanism for machine guns : en
  • US2069396A - Method of making shoes : en
  • CA363783A - Laminated glass : en fr
  • GB460874A - A new, or improved, pocket-wallet, carton, or fully opening container, for holding advertising strip matches, maps, catalogues, needles, tickets, or other commodities of everyday use : en
  • GB460714A - A new or improved cleat for use with ropes and the like : en
  • GB460923A - An improved process for producing multi-sound records : en
  • DE641461C - Switching arrangement for separate lattice circles of vapor or gas discharge paths : de en
  • DE641608C - Method and device for producing carbon black : de en
  • USD103058S - Design for a candlestick or similar : en
  • DE641486C - Lifting platform : de en
  • DE641516C - Electric roller, especially for driving conveyor belts : de en
  • GB460639A - Improvements in drilling machines : en
  • FR808365A - Improvements to sound reproducing devices such as loudspeakers : en fr
  • GB460775A - Improvements in and relating to microphones : en
  • ES143368A1 - An AC radio receiver. : en es
  • FR808344A - Method and device for pipelines of steam boilers : en fr
  • FR808401A - Storage water heater with large heating surface and accelerated circulation : en fr
  • FR808264A - Apparatus for the electrolytic decomposition of pressurized water or similar liquids, with electrodes connected in series and concentric : en fr
  • DE641477C - Lifting frame used to switch the platen frame of typewriters : de en
  • FR808392A - Perfume spray : en fr
  • US2069282A - Bumper : en
  • FR808382A - Filling valve for gas cylinders, with automatic maximum pressure limiter : en fr
  • GB460813A - Improvements in or relating to electric incandescent lamps : en
  • FR808408A - Improvements to belt buckles or the like : en fr
  • GB460823A - Improvements in or relating to lubricating pumps : en
  • US2069443A - Stuffing box : en
  • FR808254A - Process for the purification of caustic soda solutions : en fr
  • FR808335A - Systems : en fr
  • USD103031S - Design for a jam jab or similar : en
  • US2069640A - Mixture distribution vane : en
  • US2069341A - Apparatus for pointing corners : en
  • US2069329A - Process of refining oils : en
  • US2069652A - Hemstitching attachment for sewing machines : en
  • DE641448C - Device for fixing connecting rods for machining the crank bearing : de en
  • FR808311A - Aircraft upgrades : en fr
  • DE641549C - Printing punch card machine : de en
  • FR808250A - Tabulating machine with type carrier moved at constant speed : en fr
  • FR808258A - Solid shades on cellulosic fibers : en fr
  • US2069653A - Surface type condenser arrangement : en
  • US2069693A - Steam boiler : en
  • FR808360A - Automatic manure distributor : en fr
  • DE641603C - Receiver with loss compensation, in which the control voltage is taken from the anode of the receiving rectifier : de en
  • US2069593A - Outside pipe cutter : en
  • FR808309A - Improvements to carbonization processes and devices in lane kilns for shale, lignite, coal and the like : en fr
  • USD103073S - Design fob a cupboard : en
  • CA363787A - Fire protecting means : en fr
  • CA363847A - Water filtration apparatus : en fr
  • US2069567A - Means for removing ice cubes from refrigerator trays : en
  • CA363820A - Shockproof x-ray unit : en fr
  • US2069689A - Heater for automobile engines : en
  • USD103006S - Design for a plate or similar article : en
  • US2069704A - Coal range : en
  • CA363817A - View-transmission system : en fr
  • US2069254A - Sound apparatus : en
  • FR808310A - Process for the manufacture of artificial fibers from cellulose derivatives containing nitrogen and sulfur : en fr
  • GB461181A - Process for improving the fastness of dyeings : en
  • IE14732L - Pyrolysis of hydrocarbon oils : en
  • CA363789A - Canvas rocking-chair : en fr
  • CA363921A - Tire tube : en fr
  • US2069497A - Packing means : en
  • US2069408A - Transmission : en
  • GB460749A - Improvements in or relating to shirt-boards for rotary shirt-ironing machines : en
  • GB460592A - Improvements in or relating to the starting, stopping and reversing of internal combustion engines of the diesel or compression ignition type : en
  • GR6277B - CIGARETTE CARRY BOX ON THESE IGNITIVE MATERIALS. : el en
  • DE641489C - Flat iron anchor for fastening a rabitz wall shell covered on the inside with insulating cardboard : de en
  • DE641393C - Process to increase the viscosity of tars : de en
  • DK52655C - Protective plate for razors. : da en
  • FR808400A - Electrical pipe isolated by an air chamber : en fr
  • DE641484C - Console-like glass plate carrier with a clamping device : de en
  • FR808307A - Process for obtaining thiazolidine derivatives : en fr
  • GB460711A - Improvements relating to dry cleaning : en
  • US2069538A - Radio optical modulation system : en
  • USD103052S - Design for a signal light : en
  • FR808378A - Advanced wheelbarrow : en fr
  • GB460786A - An improvement in or relating to quick-release hose couplings : en
  • AU100150B2 - Improvements in or relating to multi-element screen structures for cathode ray tubes : en
  • US2069560A - Tertiary alkyl-cyclohexyl phenols and process of preparing same : en
  • US2069677A - Liquid meter for reduced flows and low heads : en
  • US2069558A - Freewheeling clutch : en
  • GB460746A - A process of manufacturing motor fuels of high anti-knock value : en
  • GB460840A - Improvements in the electrodeposition of tungsten and tungsten alloys : en
  • AU30936A - A flexible mudguard locator for motor vehicles : en
  • CA363939A - Oil filter : en fr
  • US2069507A - Electron discharge tube : en
  • US2069217A - Fastening-inserting apparatus : en
  • US2069266A - Bagging machine : en
  • USD103048S - Design for a bottle : en
  • USD103015S - Design for a shoe : en
  • USD103037S - Design fob a plate ob similar : en
  • US2069314A - Process for making bituminous compositions : en
  • CA363857A - Envelope, bag or container manufacture : en fr
  • DE641537C - Rubber tires : de en
  • AU59536A - Improvements in and relating to asbestos-cement sheets : en
  • CA363814A - Photo-electric cell circuit arrangement : en fr
  • DE641480C - Magnet-electric alternator, in particular bicycle dynamo : de en
  • US2069459A - Carrying device formed by an adhesive strip : en
  • US2069614A - Remote control circuit : en
  • CA363951A - Communication system : en fr
  • DE641446C - Device for measuring and regulating state quantities of gases and vapors : de en
  • FR47191E - Instrumental toy system, with accessories, for creating games and color music : en fr
  • CA363850A - Air conditioning system for railway cars : en fr
  • CA363940A - Heating device : en fr
  • FR808216A - Improvements to seals and clamps to close the seals : en fr
  • DK52629C - Method and Apparatus for Supplying Herb to Yeast. : da en
  • ES143336A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 136583 : en es
  • GB460627A - Manufacture of indigoid dyestuffs : en
  • US2069612A - Blasting explosive : en
  • US2069619A - Combined pencil holder, sharpener, and advertising device : en
  • US2069292A - Method of forcing plant growth : en
  • US2069372A - Program reminder for radio programs : en
  • US2069546A - Separation of chloranisidine isomers : en
  • DE641517C - Process for the production of water-insoluble azo dyes on wool : de en
  • FR808292A - Method of manufacturing a lubricant : en fr
  • DE634476C - Device for folding and cutting off Ziehzuenderbaendern or Buchzuenderumschlaegen by means of a feed roller and two folding rollers : de en
  • GB460755A - Improvement in air circulating apparatus : en
  • US2069701A - Auxiliary power operated device for machine tools : en
  • AU220336A - Purification of titanium compounds : en
  • GB460723A - Improvements in electric fire screens : en
  • US2069516A - Electrical control system : en
  • DE641451C - Device for heating the felt in the press section of paper machines : de en
  • DE641524C - Two-system, in particular full-wave rectifier tubes : de en
  • US2069512A - Elevator control system : en
  • US2069326A - Mechanism for separating intermixed divided materials : en
  • US2069726A - Lacquer : en
  • FR808319A - Process for the preparation of molding resins : en fr
  • US2069240A - Keyboard perforator and counter : en
  • DE641564C - Multi-stage control switch, consisting of several toggle switches arranged next to one another : de en
  • FR808362A - Improvements to cameras : en fr
  • AU100168B2 - Improvements in and relating to means for feeding cut crops tothe elevator ofa header harvester : en
  • CA363925A - Well point : en fr
  • USD103070S - Design for a textile fabric : en
  • FR808322A - Process and machine for making pulverized solid material from molten material and products obtained by this process : en fr
  • FR808249A - Process for obtaining sound films : en fr
  • AU100175B2 - A flexible mudguard locator for motor vehicles : en
  • CA363906A - Grate : en fr
  • FR808280A - Improvements to radio reception systems : en fr
  • GB460593A - Improvements in and relating to walking vehicles : en
  • US2069643A - Beauty mitten : en
  • US2069718A - Turbine blade : en
  • DE641594C - Drive of rollers, discs, etc. Like. With built-in electric motor and gear for conveyor belts u. like : de en
  • DE641571C - Device for making hair waves : de en
  • US2069392A - Cracking of hydrocarbon oils : en
  • US2069418A - Temperature regulation : en
  • ES143324A2 - A PROCEDURE FOR OBTAINING LUBRICATING OILS : en es
  • FR47188E - Hollow articles, in particular mushroom valves, and method of making them : en fr
  • CA363830A - Nickel carbonyl purification : en fr
  • CA363843A - Shoe insole : en fr
  • US2069242A - Electroacoustic energy converting system : en
  • US2069361A - Rail joint : en
  • US2069407A - Thermionic cathode and process of activation : en
  • US2069674A - Masonry treatment : en
  • DK52640C - Device by Gas Appliances. : da en
  • GB460831A - Improvements in and relating to metal nuts : en
  • GB460632A - Improvements in indicating means : en
  • DE641475C - Process for the preparation of aliphatic and fatty aromatic substituted pyridinium ethanols : de en
  • FR808245A - Buttress stamping machine : en fr
  • FR808313A - Heat transmission systems : en fr
  • ES143367A1 - Improvements in synchronization systems designed especially for the reception of images. : en es
  • GR6278B - PERFECTIONS IN AUTOMATIC WHISTLES. : el en
  • GB460698A - Improvements in and relating to trunk communication cable installations provided with amplifiers : en
  • GB460785A - Improvements in and relating to apparatus for de-airing clay and similar plastic substances : en
  • FR808359A - Ski sole : en fr
  • DK52643C - Pressure lubricator. : da en
  • GB460808A - Improvements in coin-operated vending machines : en
  • GB460880A - Improvements in driving arrangements for spinning, twisting, and analogous machinery : en
  • US2069272A - Inertia operated electrical switch : en
  • CA363782A - Outboard motor : en fr
  • CA363954A - Telemetric proportioning system : en fr
  • AU100154B2 - Improvements in and relating to rotary kilns : en
  • USD103060S - Design fob a candlestick ob similar : en
  • AU42736A - Adjustable sweatbands for hats : en
  • GB460969A - Improvements in or relating to the treatment of cyanide solutions containing dissolved precious metals : en
  • FR808231A - Transformer for electric arc welding : en fr
  • GB460689A - Improvements in or relating to magnetron tubes and to circuit arrangements incorporating the same : en
  • FR808336A - Advanced cover for ship hatches : en fr
  • DE641443C - Device for comparative measurement of the train in gas pipes : de en
  • FR808414A - screen, for cinematographic projections giving the effect of relief : en fr
  • GB460819A - Improvements in or relating to devices for manipulating containers for the transport of merchandise : en
  • AU29236A - A fastening for shirt collars : en
  • US2069672A - Stitch ring for knitting machines : en
  • USD103083S - Design for a textile fabric : en
  • CA363918A - Electrical coupling clamping tool : en fr
  • FR808256A - Advanced device for wire testing : en fr
  • GB460783A - Improvements relating to electrical coils or windings : en
  • USD103069S - Design for a truck tank : en
  • US2069627A - Tuning control : en
  • US2069498A - Oil burner tip : en
  • DE629074C - Method for grinding in grinding devices with two bowl-shaped housing parts running against each other and a device for this : de en
  • CA363924A - Aircraft : en fr
  • DE641540C - Sandal-like leather overshoe with steel tips : de en
  • FR808298A - Artificial sand for foundry and its production process : en fr
  • US2069322A - Fabric treatment : en
  • US2069690A - Device for applying paper bags to garments : en
  • US2069250A - Safety device for high potential electrical circuits : en
  • US2069312A - Liquid level indicator : en
  • US2069422A - Pneumatic mattress and the like : en
  • US2069650A - Golf practice indicator : en
  • US2069562A - Apparatus for the analysis of a chemically purified water : en
  • US2069681A - Curtain tie-back holder and support : en
  • US2069384A - Exercising device : en
  • USD103049S - Design for a bottle : en
  • CA363898A - Fastener : en fr
  • AU30236A - Improvements in or relating to electron discharge device modulator arrangements for use at very high frequencies : en
  • USD103012S - Design for a toilet bottle : en
  • US2069442A - Dispensing device : en
  • US2069394A - Alarm circuit : en
  • US2069483A - Dust separator : en
  • USD103077S - Design fob a panorama dolly : en
  • US2069279A - Liquid measuring apparatus : en
  • US2069637A - Apparatus for making electron-emitting cathodes : en
  • FR808235A - Automatic control allowing on straight knitting machines, such as those for knitting stockings in a single operation, the automatic formation of lateral bands : en fr
  • GB460590A - Process for the treatment of cellulose fibres : en
  • US2069376A - Apparatus for producing mineral aggregate roads : en
  • US2069219A - Bumper for a window glass : en
  • GB460856A - Improvements in calculating devices : en
  • FR808415A - Brush : en fr
  • GB460684A - Improvements in or relating to mechanical safety razors and to stropping devices therefor : en
  • GB460721A - Improvements in or relating to television and like systems : en
  • DE641474C - Device for rinsing and dewatering laundry or the like with a sieve insert arranged in an outer container and a central feed pipe : de en
  • ES143353A1 - Improvements in regulatory systems. : en es
  • US2069433A - Gear drive : en
  • US2069206A - Method and apparatus for recovering precious metal from ore : en
  • US2069209A - Dyestuff paste for use in printing : en
  • US2069509A - Temperature indicating system : en
  • ES143322A2 - A PROCEDURE FOR OBTAINING LUBRICATING OILS : en es
  • GB460756A - Improvements in or relating to the manufacture of luminescent screens : en
  • GB460595A - Improvements in and relating to cane cutters : en
  • DE641535C - Lathe core tip : de en
  • CA363875A - Sound absorbing construction : en fr
  • GB460994A - Improvements in electro-dynamic sound reproducers : en
  • USD102998S - Design for a shoe cabinet : en
  • US2069353A - Safety hanger for brake beams : en
  • FR808312A - Improvements to rotary internal combustion engines : en fr
  • FR808442A - New binding : en fr
  • GB460739A - Improved method and device for heating incandescent cathodes of electric discharge vessels : en
  • FR808355A - Adjustable and variable irreversible or reversible control device for auxiliary devices of automobiles or airplanes and in general for all industries : en fr
  • GB460643A - Improvements relating to sound recording devices : en
  • FR808403A - Device for a pilot burner in an oil, gasoline or fuel oil burner of the type called : en fr
  • GB460814A - Process and apparatus for heating, cooling, kneading and grinding as well as emulsifying of liquid or semi-solid substances : en
  • FR808422A - Fluid flow meter : en fr
  • DE641450C - Central coil sewing machine : de en
  • DE641616C - Device for pulling in a door handle that can be lowered into the door level : de en
  • GB460861A - Process and apparatus for closing and sealing-off vessels, such as electric incandescent lamp bulbs, containing gas under superatmospheric pressure : en
  • FR808369A - Process for manufacturing magnesium by igneous electrolysis of magnesium chloride : en fr
  • FR808262A - Method and device for testing high voltage insulation : en fr
  • FR808201A - acoustic transceiver : en fr
  • FR808303A - Wall panel construction for fireplaces : en fr
  • FR808289A - Process for the preparation of protective coatings on magnesium and its alloys : en fr
  • GB461313A - Improvements in or relating to electrical condensers : en
  • FR47198E - Continuous and progressive effect press : en fr
  • FR808430A - Thread tensioner for bobbins : en fr
  • GB460611A - Improvements in doors and the like : en
  • GB460722A - Improvements in and relating to compressed paper packing for bottles : en
  • GB460745A - Apparatus for diathermic treatment : en
  • GB460858A - Manufacture of sulphuric acid derivatives of imidazolines : en
  • FR808438A - Quick stop device for weaving looms controlled by a central weft cassette : en fr
  • FR47192E - Control block : en fr
  • GB460731A - Improvements relating to electrical plug-and-socket connectors : en
  • US2069398A - Rotary beater and pneumatic separator : en
  • DK52646C - Clamp for Holding Saw Blades. : da en
  • US2069602A - Mailing folder : en
  • US2069669A - Apparatus for forming sand molds : en
  • US2069598A - Setting device for a precious stone or the like : en
  • US2069225A - Producing phosphorus and phosphate fertilizer : en
  • US2069587A - Means for starting an internal combustion engine : en
  • GB460697A - Improved method and apparatus for drying coffee beans : en
  • US2069287A - Manufacture of drinking cups : en
  • US2069682A - Signaling device : en
  • GB460816A - Improvements relating to containers for the transport of merchandise : en
  • US2069668A - Plywood joint : en
  • FR808327A - Method and machine for the application of strips : en fr
  • DE641473C - Gripper feed for strips : de en
  • DE641613C - Process for the production of gratings with profiled vertical edge strips : de en
  • FR808215A - Process for the production of calcium sulphide from gypsum : en fr
  • DE641572C - Coal bath stove with a shaft-like furnace : de en
  • US2069702A - Sprayer tank device : en
  • FR47156E - Mechanical-electric adjustment device : en fr
  • FR808246A - Preparation of new mercury compounds of the urethane series : en fr
  • FR808285A - Device for the delivery of dough and similar masses : en fr
  • GB460655A - Improvements in or relating to photographic apparatus : en
  • FR808306A - Double bowl ball joint for control of medico-surgical bed joints : en fr
  • GB460656A - Improvements in or relating to storage batteries : en
  • GB460873A - Ash retaining device suitable for attachment to cigars or the like : en
  • DE641490C - Measuring vessel : de en
  • GB460821A - Improvements in high frequency signalling systems : en
  • DE641554C - Earmuffs : de en
  • US2069320A - Spark plug : en
  • US2069401A - Apparatus for indicating money values : en
  • FR808237A - Thread tension device for spare bobbins of looms : en fr
  • US2069363A - Salt and pepper shaker : en
  • GB460726A - Improvements relating to looms for weaving pile fabrics : en
  • GB460809A - Improvements in or relating to building blocks or elements for the construction of insulating walls and partitions : en
  • USD103041S - Design for a plate or similar : en
  • US2069451A - Control chute means : en
  • US2069544A - Advertising hood : en
  • CA363884A - Machine part manufacture : en fr
  • FR808242A - TV device : en fr
  • FR808417A - Further training in the establishment of shoe-sewing machines : en fr
  • GB460761A - Improved method of obtaining coal powder by froth flotation : en
  • FR808334A - Device for riveting at a certain angle or for carrying out any other similar striking operation : en fr
  • AU401735B2 - Continuous mining machine with oscillating rotary cutter heads : en
  • CA363779A - Milk irradiation apparatus : en fr
  • CA363886A - Motor mounting : en fr
  • SE88408C1 - : sv
  • FR47185E - Hydraulic servo control for vehicle brakes and other applications : en fr
  • FR808234A - Waterproof anti-aircraft bunker : en fr
  • US2069727A - Thermally responsive device : en
  • AU100231B2 - Heat transfer die : en
  • US2069291A - Brake lining machine : en
  • USD102984S - Unitfd statfs pati : en
  • US2069648A - Paper and method of making : en
  • CA363846A - Cone crusher feed device : en fr
  • US2069306A - Fuel injection control : en
  • FR808302A - Improvements to electrical systems and electrical pulse equalization process : en fr
  • GB460683A - Improvements in apparatus for removing sheaths from electric cables and similar articles : en
  • US2069336A - Production of derivatives of polyhydric alcohols : en
  • FR808330A - Device for adjusting and locking parts adjustable in two positions relative to each other : en fr
  • US2069391A - Mat : en
  • DE641552C - Single-disc ship thrust bearings : de en
  • GB460843A - Improved method and means for effecting transfer of fuel, containers, persons or the like from one aircraft to another during flight : en
  • US2069566A - Nickel plating solutions and processes : en
  • US2069586A - Sectional inner tube for pneumatic tires : en
  • FR808238A - Figure stand that can be used as a toy or as an advertising object : en fr
  • FR808435A - Sylvan pavilion : en fr
  • FR808305A - Relaxation oscillation device : en fr
  • FR808354A - Antiptosic abdominal strap : en fr
  • DE641545C - Control device for stage and advertising lighting systems : de en
  • CA363952A - Mineral oil fractional extraction : en fr
  • US2069712A - Power driven trencher : en
  • GB460751A - Improvements in or relating to textile fabrics : en
  • USD103026S - Design fob a saxophone : en
  • US2069245A - Tractor : en
  • CA363796A - Vehicle signalling system : en fr
  • USD102978S - Design for a chair : en
  • ES143321A1 - DISPOSITION TO IMPRESS ACOUSTIC OSCILLATIONS : en es
  • ES143323A2 - A PROCEDURE FOR OBTAINING LUBRICATING OILS : en es
  • GB460798A - Improvements in and relating to refrigeration systems on rolling stock : en
  • GB460647A - Improvements in insecticides : en
  • GB460777A - Improvements in or relating to card or sheet indexes : en
  • GB460832A - Improvements in and relating to electric sockets : en
  • FR808370A - Application of aerated concrete or similar to the constitution of elements for construction sets : en fr
  • FR47187E - Heavy oil burner : en fr
  • US2069355A - Combined circuit and flashlight battery connection : en
  • US2069720A - Composite flooring material : en
  • US2069477A - Chewing gum : en
  • DE641457C - Dryer for grain and other grainy or lumpy goods : de en
  • DE641579C - Process for the production of clad sheets : de en
  • CA363871A - Airscrew : en fr
  • USD103034S - Design for a plate or similar : en
  • USD102989S - Design fok textile fabric or similar : en
  • GB460750A - Improvements in life saving craft for use on sea-going vessels : en
  • DE641582C - Device for spinning photographic printing plates u. like : de en
  • US2069298A - Typewriting machine : en
  • US2069419A - Deodorizer and antiseptic device : en
  • US2069339A - Camera : en
  • CA363842A - Electro-positive metal deposition : en fr
  • DE641463C - Device for trouble-free switching of capacitors : de en
  • US2069641A - Electric circuit interrupter : en
  • DE641501C - Device for the return of the liquid trickling down the inner wall of columns, towers or vessels into the interior of the tower : de en
  • DE641503C - Device for laying untied plasters produced in molding boxes : de en
  • CA363920A - Advertising calendar : en fr
  • US2069613A - Cylinder separating mechanism for printing presses : en
  • USD102983S - Design for a textile fabric : en
  • DK52653C - Freewheel Hub with Retirement Brake. : da en
  • GB460794A - Internal combustion turbine : en
  • US2069354A - Container : en
  • US2069397A - Currency bill counting and bunching machine : en
  • USD103050S - Design for a jab : en
  • CA363902A - Filament drawing mechanism : en fr
  • US2069470A - Process of finishing surfaces in simulation of napped cloth : en
  • CA363919A - Headlight system : en fr
  • US2069202A - Production of improved film : en
  • US2069367A - Rubber bearing : en
  • USD102991S - Design for a handle for a kettle : en
  • DE641599C - Closing device for the paper web drying boxes on rotary printing machines : de en
  • FR808410A - Variable bandwidth band filter for radio receivers : en fr
  • US2069315A - Internal combustion engine : en
  • ES143317A2 - A MOUNTING SYSTEM TO FACILITATE THE TUNING OF A RADIO RECEIVER : en es
  • GB460700A - Improvements in or relating to electron valves : en
  • US2069492A - Multicopy attachment for typewriters : en
  • DE641601C - Point machine : de en
  • FR47151E - Electric servo system for supplying arcs or other applications : en fr
  • FR808356A - Bicycle brake control : en fr
  • CA363812A - Insulator : en fr
  • US2069530A - Chemically stabilized glucosides and glucoside bearing drugs : en
  • DK52656C - Siren. : da en
  • GB460672A - Improvements relating to cycle dynamos : en
  • DE634477C - Method for joining the comb strip with the cover strips for the machine production of pull-fuse packages : de en
  • CA363883A - Aluminium alloy and article : en fr
  • US2069585A - Moldable shoe heel composition and process of compounding same : en
  • CA363894A - Glass strip producing apparatus : en fr
  • CA363882A - Aluminum alloy : en fr
  • US2069660A - Rust inhibiting coating : en
  • USD103039S - Design fob a plate or similar : en
  • DE641471C - Conveyor device : de en
  • FR808210A - Blocker and shock-absorbing cradle support for firing against airplanes and, incidentally, blocked firing on land objectives, small arms : en fr
  • US2069262A - Manufacture of chlorinated rubber : en
  • US2069447A - Accordion : en
  • US2069364A - Valve : en
  • US2069371A - Dispensing dish : en
  • US2069715A - Artificial reef : en
  • AU100174B2 - Transmission regulating systems : en
  • US2069215A - Printing process and composition therefor : en
  • US2069503A - Peyser : en
  • AU100171B2 - Improvements in or relating to tuning and feeder arrangements for use in radio receiving and like installations : en
  • US2069522A - Relief valve : en
  • US2069288A - Manufacture of sanitary drinking cups : en
  • US2069559A - Clasp : en
  • USD103085S - Design for a textile fabric : en
  • AU122436A - Improvements in or relating to apparatus forthe reception of radio signals onthe super-regenerative principle : en
  • CA363797A - Screen : en fr
  • CA363911A - Portable grinding machine : en fr
  • US2069370A - Ventilator : en
  • US2069645A - Means for discharging water from steam engine cylinders : en
  • US2069659A - Manifolding attachment for typewriters : en
  • DE641437C - Machine for brushing metal plates : de en
  • ES143330A1 - IMPROVEMENTS IN THE ESTABLISHMENT OF RAILS AND RAIL JOINTS : en es
  • FR808272A - Starting or cranking method for internal combustion engines : en fr
  • US2069269A - Method and apparatus for dehumidifying and cooling the air of mines : en
  • USD103080S - Stopper therefor : en
  • CA363844A - Phthalic anhydride recovery : en fr
  • USD103064S - Design fob a textile fabric : en
  • AU100145B2 - Purification of titanium compounds : en
  • GB460773A - Improvements in methods of and apparatus for picture transmission : en
  • US2069734A - Electric discharge apparatus : en
  • GB460682A - Improvements in and relating to snap action mechanism for operating electric switches, valves and other devices : en
  • USD103003S - Design fob a buckle : en
  • CA363793A - Foot arch support : en fr
  • US2069570A - Composition of matter for the softening of textiles : en
  • DE632695C - Lenticular film for color photography : de en
  • FR47160E - Suspension and independent wheels for all vehicles and in particular for automobile chassis : en fr
  • FR808361A - System for distributing calories or frigories using the transformation of the temperature difference into a potential difference : en fr
  • CA363813A - Single insulator fuse mounting : en fr
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  • USD103057S - Design for a candlestick or similar : en
  • DE640568C - Pull-on trousers made of warp knit fabric : de en
  • GB460671A - Shaft packing for rotary compressors : en
  • US2069293A - Holder for cartridges : en
  • USD103082S - Design fob a bottle : en
  • DK52631C - Apparatus for Adding Plates to Punching. : da en
  • US2069309A - Flow indicator : en
  • US2069661A - Fishing tackle carrier : en
  • DE641595C - Gas time switch for automatic opening and closing of gas or similar lines : de en
  • AU100153B2 - Improvements in and relating to needle valves : en
  • US2069221A - Grenade : en
  • DE641444C - Device for dusting the toes and pads of sweaty feet : de en
  • DE641615C - Tiltable calf collar : de en
  • DE641445C - Machine for making skis : de en
  • GB460604A - Improved means for fixing mixer fittings to baths, washing basins and the like : en
  • US2069675A - Filling device : en
  • US2069448A - Rotary press : en
  • GB460600A - Improvements in methods of, and jigs for use in, metalling bearings : en
  • AU100157B2 - Improvements in boiler furnaces : en
  • US2069644A - Car loading device : en
  • US2069455A - Atomizer : en
  • US2069479A - Tent : en
  • US2069713A - Electric lamp for producing short wave length radiation : en
  • GB460855A - Improvements in or relating to apparatus suitable for use in attaching soles to shoes : en
  • GB460851A - Improvements in or relating to piston-type hydraulic shock absorbers : en
  • US2069664A - Amusement ride : en
  • US2069308A - Negative glow device : en
  • CA363819A - X-ray tube : en fr
  • US2069635A - Shoe cabinet : en
  • US2069331A - Vibratory screen : en
  • US2069504A - Inking mechanism : en
  • US2069411A - Gear mounting for axle drives and the like : en
  • US2069211A - Method of bookbinding : en
  • AU6210465A - Continuous mining machine with oscillating rotary cutter heads : en
  • US2069618A - Combined foot brake and accelerator control for motor vehicles : en
  • USD103040S - Design fob a plate ob similar : en
  • US2069296A - Machine tool and method : en
  • AU30636A - Transmission regulating systems : en
  • DE641297C - Process for the production of a preparation solution which can be used for call types using organically acidic ferric salts and silver nitrate : de en
  • CA363852A - Television system : en fr
  • DE641593C - Device for the production of pressed pieces : de en
  • FR808341A - Isothermal stone with double dovetail joint equipped with heating device : en fr
  • FR47176E - Improvements to automatic skips : en fr
  • FR808227A - Improvements to diaphragm valves : en fr
  • US2069311A - Method and apparatus of scouring and dyeing : en
  • DE641600C - Heat exchange plate with rubber guide parts vulcanized onto the plate, which are secured by wire-like parts connected to the plate : de en
  • USD103008S - Design fob a plate ob similab abticle : en
  • FR808202A - Process for cutting fuel in underground work : en fr
  • US2069676A - Multiple ignition switch : en
  • US2069683A - Mono-ketones of the pyrene series and process of making the same : en
  • CA363890A - Sheet or film forming composition : en fr
  • CA363950A - Punching and shearing machine : en fr
  • AU526036A - Apparatus for moulding rubber boots and shoes : en
  • CA363834A - Alloy : en fr
  • DE641514C - Roll film capsule cassette : de en
  • FR808444A - Advanced training in acoustic sounding devices on board ships : en fr
  • GB460634A - Improvements relating to aircraft : en
  • US2069409A - Heat transfer apparatus : en
  • US2069199A - Pressure regulating device : en
  • US2069253A - Wheel : en
  • US2069496A - Rolling mill : en
  • US2069651A - Pump or motor : en
  • US2069436A - Stringed instrument attaching and supporting means : en
  • FR47161E - Optical system for headlights and projectors : en fr
  • FR808374A - Heterodynation montage : en fr
  • CA363881A - Sound absorbing article : en fr
  • US2069564A - Stabilizing base exchanging humates : en
  • US2069733A - Shower head : en
  • AU100143B2 - Improvement in electric vaporizers : en
  • IE14632L - Extensible electric cords : en
  • CA363877A - Pocket letter scale : en fr
  • CA363943A - Firearm device : en fr
  • DE641538C - Holder for regrinding razor blades in a glass or the like. : de en
  • US2069673A - Dispensing device : en
  • USD103032S - Design fob a butter tub ob : en
  • GB460822A - Improvements in or relating to annealing furnaces : en
  • GB460638A - Improved bearing for chain wheels : en
  • US2069569A - Antifriction bearing : en
  • FR808318A - Decomposition disc for television transmitters : en fr
  • GB460965A - Cross pin hole drilling jig : en
  • GR6283B - LETTER OR TELEGRAPH SYSTEM OR ANY DOCUMENT FOLDING IN CLOSED ENVELOPE AFTER BOOK BINDING (BLOCK). : el en
  • FR808443A - Device for regulating the distribution of the loop chain of looped fabrics : en fr
  • GB460759A - Improvements in and relating to caps, head suspension devices or the like having telephone ear pieces or the like mounted therein : en
  • FR47195E - Extra-sensitive percussion fuze : en fr
  • GB460815A - An improved multi-cylinder internal combustion engine : en
  • GB460956A - Improvements in and relating to the manufacture of alloy steels : en
  • GB460734A - Improvements in or relating to sliding roofs for vehicles : en
  • GB460791A - Improvements in feeler control devices for controlling feed movements in machine tools : en
  • GB460966A - Improvements in and relating to the electric separation of coal from associated impurities : en
  • GR6281B - PERFECTED PALANTZA WITHOUT WEIGHTS. : el en
  • GB460895A - Improvements in the manufacture of electric resistance elements : en
  • GR6280B - METHOD OF CONVERSION OF IRON FOUROUSIOU ON THE SITE BY CHANGE OF BRANCH SLOPE. : el en
  • US2069474A - Scythe grip : en
  • GB460616A - A beehive frame for producing honey in sections : en
  • GB460885A - Improvements in or relating to non-cellulosic organic material derived from the black liquor resulating from the pulping treatment of wood or other fibrous material : en
  • GR6275B - CRUDE OIL DEVELOPMENT SYSTEM FOR COOKING OR ALL NATURE USES. : el en
  • GB460776A - Improvements in loose insoles or socks for all kinds of boots and shoes : en
  • US2069268A - Combination door : en
  • DE641502C - Removal of crystal or constitutional water from alkali phosphates or mixtures of substances containing them : de en
  • DE641518C - Disk-shaped copy device : de en
  • GB460836A - Improvements relating to labelled lever-lid cans : en
  • IE14774L - Liquid fuel heating plant : en
  • FR808233A - Sofa bed for camping trailer : en fr
  • FR808345A - Improvements to processes and apparatus producing high vacuum by diffusion : en fr
  • USD103071S - Design for a combined revolving : en
  • FR808214A - Anaglyph refinements : en fr
  • GB460867A - An improved method of and mill for pulverizing : en
  • FR808411A - Flexible transparent material container for liquids : en fr
  • USD103023S - Design for a refrigerator : en
  • USD103042S - Design fob a plate ob similar : en
  • US2069417A - Fire control system : en
  • FR808300A - Level limiter-indicator : en fr
  • FR808218A - Gun trigger and safety control device : en fr
  • GB460650A - Improvements in machines for rolling and shaping dough : en
  • GB460767A - Cellular air screw propeller and the like : en
  • US2069285A - Orientation device : en
  • US2069482A - Well reamer : en
  • US2069563A - Key gauge : en
  • GB460771A - Improvements in knitting machines and fabrics produced thereby : en
  • DE641499C - Equipment on shaft or jacquard looms with shuttle change : de en
  • GB460591A - Improvements relating to electric cables : en
  • US2069493A - Carriage traversing mechanism : en
  • DE641610C - Flushing device for body care : de en
  • US2069218A - Variable condenser : en
  • US2069352A - Apparatus for applying germicide and insecticide : en
  • DE641462C - Arrangement for the direct conversion of alternating current in such a lower frequency by means of grid-controlled discharge valves : de en
  • FR47169E - Process and apparatus for producing castings or coatings of cement concrete or other similar material by vibration : en fr
  • GB460820A - Improvements in self-massaging apparatus : en
  • DE641520C - Device for the capacitive extension of quad speakers : de en
  • GB460853A - Improvements in greenhouses and other portable buildings : en
  • FR808427A - Manufacturing process of fiber mats and mats produced by this process : en fr
  • FR808446A - Method of construction of underground tanks with a sheet metal casing clad against a masonry or concreting : en fr
  • CA363778A - Refractory material : en fr
  • FR808349A - Starting magneto drive mode for internal combustion engines : en fr
  • US2069251A - Interconnecting telegraph repeater system : en
  • US2069488A - Journal box : en
  • US2069324A - Gear lapping machine : en
  • US2069724A - Combination spoon and lure with weed guard : en
  • US2069440A - Friction clutch rheostat : en
  • CA363955A - Telemetric flow controller : en fr
  • GB460787A - Improved selectivity and fidelity control in high frequency circuits : en
  • GB460812A - Improvement in methods of producing paper pulp from fibrous materials : en
  • FR808434A - Cap or cap intended to achieve a natural wave : en fr
  • CA363798A - Car body bolster : en fr
  • GB460612A - Improvements in and relating to reel supporting means for wrapping machines : en
  • GB460725A - Manufacture of dyestuffs : en
  • US2069273A - Nonsludging oil : en
  • US2069490A - Distillation control : en
  • GB460587A - Improvements in or relating to lids for pressure resisting vessels : en
  • GB460817A - Improvements in or relating to dental impression supporting trays : en
  • GR6271B - CIRCUIT WITH ALTERNATIVE DEPENDENCE PERIODICITY AND STABILITY. : el en
  • FR808288A - Device used to collect current, comprising a series of laminated contacts, and intended, in particular, for stage lighting control transformers : en fr
  • US2069476A - Knee support roller : en
  • FR808205A - Improvement in universal transmission joints : en fr
  • GB460644A - Improvements in or relating to ordnance : en
  • CA363785A - Gynecological calculating device : en fr
  • US2069454A - Bicycle pedal : en
  • CA363872A - Alloy : en fr
  • DE641469C - Process for sensitizing halide silver emulsions : de en
  • GB460790A - Improvements in and relating to sandblasting and like apparatus : en
  • CA363887A - Tool carrier : en fr
  • GB460742A - Improvements in apparatus for the pneumatic separation of materials of different sizes and densities : en
  • CA363859A - Envelope, bag or container manufacture : en fr
  • GB460735A - Improvements relating to counterbalancing apparatus for machine tool slides or like moving members : en
  • DE641528C - Flat weft knitting machine : de en
  • US2069536A - Automatic gauging stop for shearing machines : en
  • ES143318A1 - A high-frequency amplifier assembly for a very wide frequency band. : en es
  • CA363896A - Rectifier circuit : en fr
  • USD103044S - Design fob a cigar lighter handle : en
  • FR808371A - Float plug for automatic hooking of fish : en fr
  • FR808449A - Automatic machine for printing ampoules and small similar items : en fr
  • GB460765A - High speed anti-cavitation marine screw propeller : en
  • US2069356A - Lathe attachment : en
  • US2069377A - Coupling device : en
  • US2069706A - Operating device for oven shelves : en
  • USD103063S - Design for a dress : en
  • DE640221C - Double-walled iron chimney cleaning cap : de en
  • DE641447C - Payment plate equipped with magnets for coin checking : de en
  • US2069207A - Railway truck : en
  • US2069234A - Freight container : en
  • DE641464C - Device for parallel operation of one or more compounded machine converters with grid-controlled converters with constant load distribution : de en
  • US2069343A - Hydraulic brake : en
  • US2069615A - Piston for internal combustion motors : en
  • US2069275A - Phenolic compounds : en
  • FR808213A - Improvements to closed metal double-walled containers : en fr
  • FR808224A - Transparent waterproof display case for the display and protection of food and other products : en fr
  • US2069446A - Drawing mechanism for spinning or twisting machines : en
  • US2069458A - Flat bed printing machine : en
  • DE641483C - Mold for composite casting of engine pistons made of several light metal alloys : de en
  • GB460727A - Apparatus for playing a football game : en
  • USD103089S - Design for a textile fabric : en
  • GB460675A - Improvements in or relating to television receivers and the like : en
  • FR808429A - Pneumatic pulsating separator : en fr
  • FR808225A - Device applicable to parachutes with a view to their forced deployment : en fr
  • USD102990S - Design for an illuminated wreath : en
  • FR808267A - Machines and processes for manufacturing wooden objects and particularly galoshes soles : en fr
  • US2069349A - Adjusting device for throttle valves of carburetors : en
  • FR47170E - Chamber for the hot treatment of gases or mixtures of gases and vapors in the presence of a contact material : en fr
  • FR47199E - Process for obtaining metal compounds of keratin acids : en fr
  • FR808375A - Improvement in the process of blowing the wind current in blast furnaces, cupolas, etc. : en fr
  • FR808290A - Generator Regulators : en fr
  • FR47172E - Ball dispenser barrel : en fr
  • GB460774A - Improvements in or relating to tins, cartons and like containers for food or the like : en
  • DE641415C - Device for controlling a measuring, switching or registration device, in particular a cashier, in connection with an electricity meter, gas or water meter : de en
  • GB460728A - Improvements in and relating to carburetters for internal combustion engines : en
  • US2069528A - Display device : en
  • US2069630A - Flow controlling device for refrigerating systems : en
  • FR808448A - Improvements in door hinge devices, applicable in particular to oven doors of stoves and the like : en fr
  • US2069330A - Dobby for weaving : en
  • US2069502A - Sanderplane : en
  • DE641529C - Automatic glass flow control device : de en
  • DE640018C - Hair treatment agents, hair setting agents, hair curling liquids and the like like : de en
  • CA363845A - Nut dispensing apparatus : en fr
  • US2069216A - Hose connection : en
  • USD103014S - Design fob a shoe : en
  • DE641494C - Ship transverse towing, especially for slipways : de en
  • CA363792A - Automatic signal and stop light : en fr
  • US2069639A - Lubricating system : en
  • USD103055S - Design for a vending machine : en
  • US2069545A - Synthesis of hydrocyanic acid : en
  • US2069302A - Manufacture of hydroxy aliphatic amines : en
  • USD103036S - Design fob a plate ob similab : en
  • DE641604C - Switching arrangement : de en
  • ES143375A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 142977 : en es
  • FI17350A - Hob : en fi
  • US2069238A - Trailer light : en
  • US2069351A - Milk bottle capping machine : en
  • GB460693A - Thermionic tube electric oscillation generator circuit : en
  • DE641609C - Patterned braid : de en
  • US2069518A - Radio receiver : en
  • DK52642C - Bushing for Fastening Brackets. : da en
  • AU125236A - Method and apparatus for wrapping a coating upon a pipe : en
  • FR808394A - Adjustable adjustable wrench : en fr
  • FR808229A - Manicure instrument : en fr
  • FR808239A - Improvements in the manufacture of very low capacity concentric conductor cables : en fr
  • FR808420A - Electrical assembly device for railway signaling installations : en fr
  • DE641476C - Drive device for rotary piston machines, the two pistons of which are seated on coaxial shafts rotate at different angular speeds : de en
  • GB461130A - Improvements in recovery of hydrocyanic acid : en
  • CA363827A - Textile roll storage apparatus : en fr
  • DE639872C - Process for weakening the contrasts of color screen negatives or transparencies to be copied : de en
  • GB460657A - Improvements in filters : en
  • US2069200A - Electric current dispensing device : en
  • CA363833A - Packaging machine : en fr
  • CA363780A - Energy transmitting device : en fr
  • US2069222A - Signal : en
  • US2069223A - Interconnecting telegraph repeater system : en
  • CA363858A - Envelope, bag or container manufacture : en fr
  • AU30136A - Improvements in or relating to tuning and feeder arrangements for use in radio receiving and like installations : en
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  • US2069421A - Apparatus for the distillation of solid carbonizable fuel : en
  • AU104888B2 - Improvements in or relating to navigation aiding radio systems : en
  • US2069456A - Chair : en
  • US2069714A - Pasteurizing apparatus : en
  • CA363786A - Railway vehicle bogie guiding device : en fr
  • US2069429A - Apparatus for the manufacture of slide fasteners : en
  • DE641508C - Hot water heating system with pump operation and a boiler with steam room : de en
  • DE641607C - Control device for the electric motor drive of an intermittently operated rotating shears : de en
  • DK52645C - Procedure for the preparation of the surface of heavy metals, in particular for the reception of protective layers. : da en
  • CA363941A - Aeroplane : en fr
  • US2069410A - Container closure : en
  • CA363849A - Rubber bonded abrasive article : en fr
  • FR808276A - Household absorption refrigeration machine : en fr
  • GB460703A - A device for regulating the charging pressure of internal combustion engines for aircraft : en
  • US2069226A - Making phosphate fertilizer and nitric acid : en
  • US2069362A - Fabricated belt splice and method of splicing the same : en
  • US2069655A - Aligning device for disengageable slide fasteners : en
  • CA363860A - Hydrocarbon oil conversion : en fr
  • CA363861A - Oscillation suppressor for radio testing apparatus : en fr
  • DE641555C - Binder with folds between the back and the lid : de en
  • FR808384A - Apparatus for magnetic sound recording : en fr
  • CA363905A - Pipe fitting : en fr
  • US2069258A - Couch bed : en
  • US2069705A - Process of manufacture of metallic glucinum and its alloys : en
  • CA363926A - Well point : en fr
  • US2069393A - Inlaid fibrous bodied articles, and method of producing same : en
  • USD103027S - Design fob a funeral symbol : en
  • DE627718C - Fountain pen : de en
  • DE641482C - Device for interrupting the supply of spinning solution to the spinning nozzles in rayon spinning machines when excess pressure occurs in the supply line : de en
  • US2069374A - Beverage cooler : en
  • CA363841A - High tension fuse switch : en fr
  • AU100138B2 - Improvements in or relating to apparatus forthe reception of radio signals onthe super-regenerative principle : en
  • DE641428C - Coupling between two mutually inclined shafts by means of drivers that can be moved parallel to the shaft axes and are articulated at the kinks : de en
  • US2069236A - Mechanism for raising and supporting demountable bodies : en
  • US2069243A - Manufacture of ketene : en
  • US2069208A - Electrical circuits : en
  • US2069304A - Stereopticon slide : en
  • USD102996S - Design fob a shoe : en
  • US2069631A - Apparatus for recording and reproducing sound : en
  • CA363838A - Tire support and cover : en fr
  • FR808221A - Device for balancing an armored vehicle door : en fr
  • US2069519A - Air preheater : en
  • ES143329A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 142230 : en es
  • AU55436A - Improved binding material specially suitable for shoes andother footwear : en
  • US2069290A - Sorting and counting device : en
  • US2069629A - Mercury boiler : en
  • US2069400A - Ash receiver : en
  • US2069608A - Scissors sharpener : en
  • US2069365A - Flotation reagent : en
  • GB460614A - Improvements in or relating to the knitting of hose : en
  • GB460844A - Improved arch-girder support for use in mines : en
  • CA363805A - Parasiticidal composition : en fr
  • AU29836A - Improvements in and relating to means for feeding cut crops tothe elevator ofa header harvester : en
  • CA363892A - Rubber bonded abrasive article : en fr
  • DE641562C - Plug for terminal plates located in telecommunication cable systems with contacts arranged in rows and only connected by means of special switching means, in particular of end closures : de en
  • AU14137A - Improvements in or relating to navigation aiding radio systems : en
  • CA363912A - Telephone system : en fr
  • US2069464A - Bow gun : en
  • US2069634A - Apparatus for controlling railway switches : en
  • USD103047S - Design for a side comb : en
  • DK52644C - Variable Variable Mechanism The exchange between a driving and a driven organ. : da en
  • US2069529A - Chemically stabilized glucosides and glucoside bearing drugs : en
  • US2069584A - Furnace for the incineration of household refuse : en
  • USD103051S - Design for a bottle : en
  • GB460968A - Improvements relating to sliding folding windows : en
  • USD103001S - Design foe a refrigerator : en
  • US2069485A - Metallurgy : en
  • US2069501A - Method for removing scratches from celluloid motion picture negative and positive films : en
  • USD103076S - Design for a canister : en
  • DE641596C - Process for the production of mixtures of nitrogen and hydrogen that are practically free of oxygen and nitrogen oxide : de en
  • FR808418A - Bra : en fr
  • CA363910A - Patch : en fr
  • FR808340A - Diesel engine with a subdivided combustion chamber : en fr
  • ES143354A1 - Improvements in regulatory systems. : en es
  • US2069252A - Enamel and varnish : en
  • US2069491A - Method for impregnating wood and other materials : en
  • US2069235A - Apparatus for supporting demountable bodies : en
  • US2069708A - Stored pressure medium container : en
  • FR808441A - Electric water heater : en fr
  • GB461004A - Improvements in and relating to apparatus for the supply of electrical energy to varying loads : en
  • FR808257A - Device for the production of high energy electron rays : en fr
  • GB460716A - Improvements in or relating to claw feed mechanism for motion picture apparatus : en
  • FR47200E - Multiplication machine with multiple components : en fr
  • GB460789A - Improvements in the packing and wrapping of short lengths of thread : en
  • FR808387A - Improvements to toe clips for cyclists : en fr
  • FR808383A - Photocell protection and signaling installation : en fr
  • FR808409A - Method and device for laundering laundry : en fr
  • GB460866A - Improvements in wide strip rolling mills : en
  • US2069500A - Theft preventing bolt : en
  • DE641583C - Grinding machine for mower knives : de en
  • DE632407C - Compressed air generator for serving beer : de en
  • GB460596A - Preparations for use in the production of foam : en
  • GB460872A - Improvements in or relating to recording sound on films : en
  • DE637520C - Device for sieving, straining or filtering liquids or powdery substances with the help of centrifugal force : de en
  • DE641589C - Shaking device for artificial stone production : de en
  • DK52634C - Capsule for Connecting Electrical Wires. : da en
  • FR808407A - Self-lubricating bearing : en fr
  • DE641481C - AC magnet with constant pulling force at constant current : de en
  • DK52638C - Adjustable plate device for tables and similar furniture. : da en
  • US2069348A - Heating unit : en
  • US2069487A - Game board and table : en
  • US2069601A - Art of stapling : en
  • DE641488C - Connection of the ends of nailable lightweight concrete slabs under themselves and with the supporting beam : de en
  • GB460793A - Improvements in or relating to motor mountings : en
  • GB461003A - Improvements in and relating to methods of regulating vapour electric convertors and the like apparatus : en
  • DE641561C - Telephone relay with multiple armatures : de en
  • CA363891A - Friction shock absorber : en fr
  • FR808379A - Water heater for incubator : en fr
  • GB460737A - A circuit arrangement for measuring short time intervals : en
  • GB460893A - Mechanical toy apparatus : en
  • DE641543C - Device for extinguishing alternating current interruption arcs, in particular in switches and fuses : de en
  • DE641580C - Temperature controller : de en
  • ES143351A1 - Improvements in the manufacture of helmets with rubber closure in protective suits against gases. : en es
  • GB460852A - Improvements in or relating to sliding panels of opening roofs and to runners therefor : en
  • FR808350A - Process for preparing acetylene using calcium carbide and water : en fr
  • US2069694A - Motor suspension : en
  • USD102986S - Design for a textile fabric : en
  • FR808389A - Verbal and sound transmission device for all timepieces : en fr
  • DE641541C - Process for the production of colorless (white) cements : de en
  • DE641566C - Transformer with a star-shaped core made of toroidal iron cores : de en
  • US2069731A - Apparatus and process for dividing viscous masses : en
  • AU100233B2 - Adjustable sweatbands for hats : en
  • DE641458C - Liquid fuel burner with gas combustion in a glow body : de en
  • DE641495C - Equipment for use in the manufacture of footwear : de en
  • GB460635A - Improvements in spargers or sprinklers : en
  • US2069576A - Apparatus for producing photogravure plates : en
  • GB460871A - Improved method of manufacturing electrodes for electric condenser : en
  • DE641470C - Drafting system for spinning and similar textile machines : de en
  • US2069510A - Control system : en
  • USD103074S - Design for a cabinet : en
  • FR808395A - Electrical oscillation amplifier assembly : en fr
  • FR808338A - Improvements made to parachute equipment. : en fr
  • FR47184E - Cylinder head gasket for firearms : en fr
  • FR808399A - Focusing device for the lens of small format cameras : en fr
  • US2069395A - Safety shield : en
  • US2069402A - Lock washer : en
  • US2069582A - Wrench : en
  • US2069426A - Follow rest : en
  • CA363913A - Window : en fr
  • GB460741A - Method for scanning pictures with high definition and using a narrow frequency band : en
  • GR6272B - WATER HEATERS FOR HEATING UNIFORM AND ECONOMIC ROOM OR APARTMENT. : el en
  • FR808437A - Method and devices for combating noise from the exhaust of exhibition and other engines, and the like : en fr
  • FR808445A - Method and device for measuring the modulation rate in particular : en fr
  • GB460795A - Process and apparatus for separating suspended particles : en
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  • US2069604A - Bed : en
  • FR808346A - Improvements at t receiving stations. s. f. : en fr
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  • GB460825A - Improvements in or relating to cores for tuning or the like coils : en
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  • GB460678A - Improvements in packing rings for stuffing boxes : en
  • GB460645A - A process for the working up of iron ores and the like by agglomeration in a rotary tubular furnace : en
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  • US2069686A - Amusement apparatus : en
  • USD103088S - Design for a textile fabric : en
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  • FR808252A - Process for the biological purification of gas mixtures containing oxygen, and of liquids : en fr
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  • GB460602A - A process for waterproofing fibrous materials : en
  • GB460740A - Improvements in sirens : en
  • FR808368A - Reinforced Rubber Pipe Making Machine : en fr
  • GB460648A - Improvements in and relating to a decorative illumination device with a make-and-break lamp : en
  • FR808324A - Automatic selectivity control method for t receptors. s. f. : en fr
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  • US2069624A - Production of isobutylene and tertiary butyl chloride : en
  • US2069710A - Prepared sulphur : en
  • FR808385A - Vase and wall lamp constituting or comprising flower spikes : en fr
  • FR808266A - Device for converting direct current into alternating current : en fr
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  • FR808372A - Improvements to machines for working or machining sheet metal or the like : en fr
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  • FR808297A - Self-propelled articulated vehicle : en fr
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  • GB460883A - Improvements in or relating to navigation aiding radio systems : en
  • US2069318A - Photocopy machine : en
  • US2069537A - Shoe stretcher : en
  • US2069623A - Arc welding : en
  • GB461175A - Improvements in or relating to the manufacture of thermoplastic moulding compositions and articles made therefrom : en
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  • US2069484A - Stand for display devices : en
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  • US2069385A - Belt fastener : en
  • US2069620A - Method for manufacturing residual oils of high asphaltic content : en
  • GB460763A - Improvements in or relating to fuel delivering devices and fuel injection pumps for internal combustion engines : en
  • US2069597A - Method and apparatus for controlling arc lamps : en
  • US2069531A - Barrel stave : en
  • US2069688A - Cushioning means for vehicles : en
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  • USD103054S - Design fob a shoe : en
  • US2069540A - Steering mechanism : en
  • AU210336A - Improvement in electric vaporizers : en
  • CA363915A - Radio all wave coil : en fr
  • US2069255A - Brief case : en
  • US2069294A - Manufacture of oil soluble phenols : en
  • US2069201A - Defrosting apparatus : en
  • US2069580A - Article of manufacture made from cypress knee : en
  • DK52652C - Device for Streamlined Vehicles for Dust Reduction. : da en
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  • US2069378A - Drying and mixing mechanism : en
  • AU42536A - Heat transfer die : en
  • US2069444A - Shingle : en
  • US2069554A - Method of treating titanium dioxide : en
  • US2069247A - Can coating enamel : en
  • US2069379A - Air cleaner : en
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  • US2069549A - Container : en
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  • FR808241A - Extension saws improvements : en fr
  • CA363808A - Electric circuit control : en fr
  • DK52658C - Reinforced Cement pile pile. : da en
  • US2069277A - Reversible ribbon feed mechanism : en
  • GB460877A - Improvements in reeling-off machines for paper and other material : en
  • US2069310A - Carpeting : en
  • FR808436A - Cord immobilizer device for dental instruments and other applications : en fr
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  • AU27436A - Improvements in boiler furnaces : en
  • US2069691A - Sock clamp for bolting machines : en
  • US2069369A - Secret communication system : en
  • US2069399A - Spring suspension for automobiles : en
  • US2069486A - Prevention of efflorescence on silicate films : en
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  • GB460662A - New or improved apparatus for painting or similarly treating objects such as golf balls : en
  • CA363900A - Argillaceous material burning apparatus : en fr
  • CA363938A - Mixing apparatus : en fr
  • US2069276A - Life line projectile : en
  • US2069375A - Attachment plug : en
  • CA363807A - Gaseous electric discharge device : en fr
  • CA363863A - Valve operating mechanism : en fr
  • US2069685A - Snippers : en
  • GB461005A - Improvements in or relating to brackets : en
  • DK52650C - Exhalation valve for gas masks. : da en
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  • DE641568C - Sole for electrode furnaces : de en
  • US2069346A - Spray gun nozzle : en
  • US2069520A - Printing press : en
  • CA363856A - Portable talking motion picture apparatus : en fr
  • CA363936A - Surface condenser : en fr
  • US2069473A - Nitrogenous condensation products : en
  • US2069514A - Table football game : en
  • FR808357A - Improvement of sealing devices for containers containing liquids liable to be damaged in contact with air and containers incorporating these devices : en fr
  • GB460642A - Improved radio system for giving bearings in air and marine navigation : en
  • GB460890A - Improvements in or relating to means for illumination comprising luminescent materials : en
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  • FR808377A - Photographic developer : en fr
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  • GB460850A - Improvements in or relating to envelopes coated with luminescent materials adapted to enclose a source of radiation : en
  • GB460862A - Improvements in the manufacture and production of diacetyl : en
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  • GB460772A - Improvements in the manufacture and production of tanning agents : en
  • GB460846A - Improvements in or relating to electrically propelled battery vehicles : en
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  • FR47194E - Extra-sensitive percussion fuze : en fr
  • FR808352A - Process for manufacturing confectionery or other foods and resulting articles or products : en fr
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  • US2069228A - Process for decorating wood or similar materials : en
  • US2069574A - Fluid heater cleaner : en
  • AU100140B2 - Method of and apparatus for separating heterogeneous mixtures of solid fragments having different specific gravities : en
  • GB460837A - Improvements in or relating to hand rakes : en
  • US2069609A - Container label : en
  • US2069390A - Clock actuated display mechanism : en
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  • GB460784A - Improvements in or relating to protective covers for books : en
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  • US2069632A - Optical sound-reproducing apparatus : en
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  • US2069700A - Abrading machine : en
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  • FR808447A - Advanced training in motor vehicle suspension : en fr
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  • US2069259A - Delayed arming device for fuses : en
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  • FR808326A - Device for testing vehicle tires and road surfaces, in particular for very high speeds : en fr
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  • US2069735A - Grain separator and thresher : en
  • US2069368A - Display advertising device : en
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  • US2069256A - Nozzle for shoe coating machines : en
  • DE641500C - Wire straightening device : de en
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  • CA363831A - Nickel carbonyl manufacture : en fr
  • CA363865A - Cellulose ester production : en fr
  • US2069452A - Water heater : en
  • US2069687A - Process for the partial hydrolysis of cardio-active digitalis glucosides and products obtained thereby : en
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  • US2069603A - Means of straightening well bores : en
  • US2069412A - Machine for making stuffing for furniture : en
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  • US2069198A - Apparatus for making dished heads : en
  • FR808273A - Improvements to box cameras : en fr
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  • GB460881A - Improvements in or relating to rail cars : en
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  • GB460800A - Improvements in or relating to carbon brushes for electrical apparatus : en
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  • US2069511A - Upsetting mechanism : en
  • ES143343A1 - An installation to play silent or sound movies. : en es
  • US2069347A - Eyeglass construction : en
  • US2069414A - Locomotive tender door : en
  • US2069387A - Lamp finishing machine : en
  • US2069489A - Billing machine : en
  • US2069575A - Electrical system of distribution : en
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  • FR47183E - Row seeder more particularly usable as a chemical fertilizer seeder : en fr
  • GB460613A - Improvements relating to cap spinning and twisting spindles : en
  • GB460623A - Improvements in or relating to oscillation generators : en
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  • GB461060A - Improvements in or relating to apparatus for display or advertising purposes : en
  • US2069233A - Door locking mechanism for freight containers : en
  • US2069573A - Phenolic compounds : en
  • DE641584C - Device for sanding the edges of stove tiles : de en
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  • US2069663A - Vat dyestuffs of the anthraquinone series and a process of preparing them : en
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  • GB460807A - Improvement in or relating to amplifiers or relays for signal currents : en
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  • US2069420A - Motor vehicle : en
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  • GB461002A - Improvements in or relating to closed heating systems employing a circulating heating liquid : en
  • USD103016S - Design for a shoe : en
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  • GB460830A - Improvements in and relating to radio antennae : en
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  • GB460757A - Improvements in or relating to advertising devices : en
  • FR808286A - New emulsions : en fr
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  • GB460801A - Process for the gasification of mineral-oils : en
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  • ES143377A1 - An electric discharge lamp. : en es
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  • US2069505A - Light measuring device : en
  • US2069289A - Metal backed cove and end closure for the same : en
  • US2069472A - Concentration of dilute sulphuric acid containing amyloid : en
  • FR808396A - Double distribution valve : en fr
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  • GB460963A - Improvements in or relating to means for illumination comprising luminescent materials : en
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  • GB460939A - Improvements in or relating to molding compositions : en
  • US2069434A - Speed coupler : en
  • US2069332A - Leaved package construction : en
  • US2069667A - Nozzle take-off attachment : en
  • USD103072S - Design for a cupboard : en
  • US2069237A - Door operating mechanism : en
  • US2069307A - Method of treating electrodes of negative glow devices : en
  • FR47167E - Packing box, removable, in wood : en fr
  • FR808367A - Improvements to gelatin products and gelatin drying processes : en fr
  • GB460961A - Process for improving the fastness of dyeings : en
  • GR6276B - SPECIAL POLYGRAPHER FOR THE INTERNATIONAL WRITING OF THE BLIND. : el en
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  • US2069415A - Mattress construction : en
  • DE641574C - Suspension device for cantilever structures on chimneys : de en
  • GB460712A - Improvements in and relating to automatic binder or wrapper material feeding mechanism for cigar making machines : en
  • US2069450A - Bunch building mechanism : en
  • FR47163E - Gas-tight bodywork for all vehicles : en fr
  • FR808211A - Immobilization, protection and safety device for mobile rotary tools : en fr
  • GB460665A - Improvements in and relating to optical projection apparatus : en
  • GB460766A - Improvements in, or relating to, crematory furnaces : en
  • US2069535A - Traffic signal and timer : en
  • US2069583A - Warning signal device : en
  • USD102997S - Design fob a shoe : en
  • US2069210A - Flavanthrone dyestuff and printing paste : en
  • USD103011S - Design for a toilet bottle : en
  • GB460796A - Fog lamp for vehicles and the like : en
  • US2069555A - Heat exchange apparatus : en
  • AU249636A - Improvements in or relating tothe recovery of gold from ores : en
  • US2069610A - Direct acting electric regulator : en
  • USD103035S - Design for a plate or similar : en
  • US2069662A - Production of 2.3-dihydroindoles : en
  • USD103010S - Design for a dress : en
  • US2069386A - Lamp making machine : en
  • US2069626A - Lubricant compound : en
  • USD103079S - Design for a display stand : en
  • FR808424A - Closure forming spout for liquid containers : en fr
  • US2069327A - Fuel pump : en
  • US2069358A - Hydrocarbon oil conversion : en
  • US2069453A - Wrist watch : en
  • DK52637C - Lunch box. : da en
  • ES143347A2 - A PROCEDURE FOR THE CATALYTIC REDUCTION OF CARBON OXIDE WITH HYDROGEN IN HYDROCARBONS OF HIGHER MOLECULAR WEIGHT : en es
  • FR808222A - Free track signal repeater device : en fr
  • FR808304A - Machine to launch projectiles using centrifugal force : en fr
  • US2069697A - Transporting and dumping vehicle : en
  • DK52635C - Induction motor with disc-wound Stator and Rotor. : da en
  • AU100151B2 - Improvements in mechanisms for transforming reciprocating motion into rotary motion : en
  • GB460747A - A process for effecting hydrogenation and dehydrogenation of organic compounds : en
  • GB460792A - Improvements in or relating to curtain rails : en
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  • US2069405A - Radio receiving arrangement : en
  • US2069621A - Method of cleaning sand filters and appurtenances : en
  • FR47154E - Electric switch device : en fr
  • US2069698A - Transporting and dumping vehicle : en
  • USD103068S - Design fob a brassiere : en
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  • US2069416A - Hitch : en
  • US2069317A - Key holder : en
  • CA363839A - Vehicle luggage and tire closure : en fr
  • US2069534A - Roller : en
  • US2069572A - Combination lock : en
  • US2069274A - Nonsludging oil : en
  • CA363816A - Electro-optical device for controlling light : en fr
  • FR808283A - Steering device for trailers to be hitched to motor vehicles : en fr
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  • GB461000A - Improvements in and relating to a process of producing vaccine lymph : en
  • USD102979S - Design fok a knitted fabric : en
  • USD103087S - Design for a textile fabric : en
  • US2069721A - Surgical leg splint : en
  • CA363791A - Telephone system : en fr
  • CA363929A - Dirigible headlight : en fr
  • DE641507C - Device for the electrical shielding of a patient during electrocardiography : de en
  • US2069270A - Elastic spring and method of making same : en
  • AU100172B2 - Improvements in or relating to electron discharge device modulator arrangements for use at very high frequencies : en
  • AU171236A - Improvements in and relating to needle valves : en
  • US2069241A - Eyelet-inserting machine : en
  • US2069360A - Automatic power transmission : en
  • AU23336A - Improvements in mechanisms for transforming reciprocating motion into rotary motion : en
  • US2069692A - Electrical precipitation : en
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  • DE641605C - Control device, especially for driving electric vehicles : de en
  • FR808388A - Tube push bench for stretching billets in the shape of a perforated bowl : en fr
  • AU100167B2 - A fastening for shirt collars : en
  • US2069588A - Valve : en
  • US2069678A - Combined cigarette case and lighter : en
  • DE641550C - Multi-zone color filter for the reproduction of lenticular films : de en
  • GB460690A - Improvements in and relating to electrical apparatus for graphically demonstrating transient electrical wave forms : en
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  • CA363947A - Cartridge : en fr
  • DE641515C - Control column with angled telescope, especially for tracking flying targets : de en
  • GB460829A - Improvements in fishing gears : en
  • CA363895A - Hydrocarbon conversion : en fr
  • CA363937A - Pneumatic conveyer distributor head : en fr
  • GB460694A - New or improved control for two stroke internal combustion engines : en
  • GB460849A - Improvements in or relating to guides for sliding panels, particularly sliding roofs for motor vehicles : en
  • US2069335A - Composite package : en
  • US2069600A - Semi-transparent shower curtain : en
  • CA363788A - Sport implement testing apparatus : en fr
  • CA363806A - Gaseous electric discharge device : en fr
  • AU100264B2 - Improvements in or relating tothe recovery of gold from ores : en
  • USD103067S - Design for a textile fabric : en
  • US2069431A - Grinder : en
  • US2069246A - Label affixing machine : en
  • US2069622A - Timepiece : en
  • USD103081S - Design for a eadio receiving appa : en
  • DE641478C - Process for improving the properties, e.g. B. the magnetic properties of sheets or tapes : de en
  • DE641563C - Rotary switch with a ratchet wheel that can be converted into multiple circuits and can be replaced by replaceable fuse cartridges : de en
  • US2069725A - Drying oil composition and process of making same : en
  • CA363876A - Automatic phonograph control apparatus : en fr
  • FR808380A - Mechanical relay : en fr
  • USD103053S - Design for a shoe : en
  • GB460859A - Improvements in or relating to safety devices for fire arms : en
  • CA363811A - Electric power transmission and distribution : en fr
  • US2069406A - Oil gauge rod wiper : en
  • US2069590A - Support : en
  • CA363899A - Clay burning process : en fr
  • US2069478A - Rail joint : en
  • DK52641C - Ice cream machine, especially for Sale of Ice sticks. : da en
  • US2069557A - Internal combustion engine : en
  • US2069717A - Mixture for the production of malleable iron : en
  • US2069319A - Sign : en
  • CA363893A - Steel processing : en fr
  • AU100137B2 - Improvements in and relating to asbestos-cement sheets : en
  • AU27636A - Improvements in or relating to charges or cartridges forthe generation of gases under pressure and to compositions and charge elements suitable for use therein : en
  • CA363931A - Water heater : en fr
  • DE641525C - Electrically heated hot and boiling water heater with a heating element used to directly heat the contents and a temperature regulator surrounded by an auxiliary heating element, which switches off both heating elements after a certain temperature has been reached : de en
  • US2069261A - Feeding device and method : en
  • FR808223A - Jewel or other animated item : en fr
  • GB460758A - A process for the production of olefines by catalytic dehydrogenation of paraffin hydrocarbons : en
  • CA363878A - Electrical scale mechanism : en fr
  • FR808261A - Two-stage brake system : en fr
  • CA363854A - Television system : en fr
  • US2069449A - Hand protector : en
  • CA363828A - Blowpipe apparatus : en fr
  • AU256036A - Improvements in and relating to rotary kilns : en
  • US2069550A - Typewriter line spacer : en
  • US2069373A - Toy top : en
  • US2069439A - Pressing machine : en
  • US2069594A - Engine piston : en
  • DE641454C - Water amusement and water sports equipment with a device carrier consisting of swimming bodies : de en
  • FR47182E - Machine for the automatic manufacture of paper spectacle cases : en fr
  • GB460753A - Improvements in and relating to insulated hatch covers for ships : en
  • US2069427A - Knob fastener : en
  • CA363821A - X-ray anode manufacture : en fr
  • CA363822A - Combustion control : en fr
  • FR47189E - Process for transporting and handling coal and devices for carrying out this process : en fr
  • GB460685A - Improvements relating to the reproduction of sound films : en
  • IE14579L - Conversion of hydrocarbon oils : en
  • DE641611C - Device for air humidification in living rooms : de en
  • US2069425A - Manufacture of laminated glass : en
  • US2069656A - Ticket printing machine : en
  • USD103059S - Design for a store : en
  • GR6284B - CRYSTAL PLASTERING FOR THE COATING (ENAMELING) OF ENAMELATED CERAMIC AND POTTERY PRODUCTS. : el en
  • ES143374A1 - Improvements in bottle caps. : en es
  • FR808271A - Device with initiator for drawing off liquids with a siphon tube : en fr
  • GB460640A - Improvements in and relating to veneer plates : en
  • FR808299A - case for playing cards, or similar objects : en fr
  • FR808406A - Method of making a jacquard drawing strip : en fr
  • GR6282B - PERFECTIONS ON ANIMAL SILK ROTARY ROTARY. : el en
  • CA363879A - Electrolytic purification : en fr
  • US2069480A - Blank for and method of making axle housings : en
  • US2069541A - Machine for forming hollow glass containers : en
  • US2069679A - Bicycle : en
  • CA363832A - Hydrocarbon production : en fr
  • GB460701A - Tuner for string musical instruments : en
  • GB460833A - Improvements relating to fuel-supply installations for internal combustion engines : en
  • GB460878A - Improvements in or relating to boxes or containers for paste, or solid or semi-solid materials : en
  • US2069716A - Drag conveyer system : en
  • GR6270B - METHOD FOR ENSURING STEREOSCOPIC IMPRESSION IN CINEMA SCREENING AND THE CINEMA MOVIE PRODUCED. : el en
  • US2069460A - Cathode ray tube : en
  • DE641496C - Device for introducing and holding a plurality of rod-shaped objects in a dip frame : de en
  • US2069230A - Speed controller for prime movers : en
  • FR47175E - Improvements in methods of blowing up mines : en fr
  • GB460667A - Improvements relating to the locking of nuts and bolts and like screw threaded elements : en
  • FR47166E - Improvement in automatic flushing devices and the like : en fr
  • FR808421A - Brush : en fr
  • IE14188L - Illumintion by electric discharge tubes : en
  • US2069465A - Safety razor : en
  • USD103018S - Design for a shoe : en
  • GB461006A - Production of coloured photographic pictures : en
  • GB460896A - Improvements in or relating to heating apparatus for buildings or the like : en
  • GB460960A - Improvements in and relating to film magazines for use in the reproduction of sound : en
  • CA363848A - Ceramic bonded abrasive article : en fr
  • ES143357A1 - Improvements in regulatory systems. : en es
  • FR808206A - Adjustable tone transformer : en fr
  • FR808390A - Process for the production of color shots : en fr
  • CA363888A - Matrix manufacture : en fr
  • US2069295A - Elastic fabric with leno weave : en
  • CA363836A - Tire cover : en fr
  • DE641531C - Process for the production of a light colored, translucent compact giving casein : de en
  • FR808439A - Crimping, stamping and shaping machine : en fr
  • US2069539A - Pipe wrapping machine : en
  • DE641440C - Steam power plant with a high pressure steam generator and a low pressure steam generator heated by the furnace of the same : de en
  • CA363901A - Self starting synchronous motor : en fr
  • US2069389A - Method for separating substances from gaseous mediums : en
  • US2069606A - Device for bleeding hydraulic brakes : en
  • FR808373A - Improvements in the manufacture of non-metallic gears : en fr
  • US2069680A - Brake : en
  • FR808337A - Circuit breaker with toggle mechanism : en fr
  • GB460818A - Improvements in or relating to the treatment of fibrous materials to make them resistant to mildew : en
  • ES143337A2 - A PROCEDURE FOR THE CATALYTIC REDUCTION OF CARBON OXIDE WITH HYDROGEN IN HYDROCARBONS OF HIGHER MOLECULAR WEIGHT : en es
  • US2069515A - Economizer : en
  • US2069552A - Roll for ironing machines : en
  • USD103062S - Design fob a dress : en
  • GB460967A - Improvements in or relating to brakes for horse-drawn vehicles : en
  • GR6274B - METHOD FOR THE MANUFACTURE OF CONCENTRATED PRODUCTS. : el en
  • US2069599A - Circuit controller : en
  • CA363862A - Signalling device : en fr
  • FR808393A - Method and device for making, on pin benches, cylindrical coils with tube trays : en fr
  • US2069213A - Container and closure cap therefor : en
  • USD103075S - Design fob a blouse : en
  • CA363942A - Gasoline turbine motor : en fr
  • USD103046S - Design for a sign : en
  • US2069525A - Endless loop : en
  • DE641492C - Bending tongue for devices for the continuous bending of cardboard u. like : de en
  • CA363851A - Television system : en fr
  • IE14326L - Illumination : en
  • US2069428A - Cast iron double hub running trap : en
  • US2069432A - Automatic device for automatic firearms : en
  • US2069729A - Motor drive control for duplicating machines and the like : en
  • FR47158E - Device for controlling aircraft engines : en fr
  • FR808253A - Improvements to printing mechanisms controlled by recording cards : en fr
  • FR808440A - Automatic mustard maker : en fr
  • FR808428A - Improvements in the manufacture of cellulose fabrics and other similar products : en fr
  • US2069642A - Carburetor : en
  • GB460606A - Improvements in or relating to flexible tubes : en
  • US2069278A - Heat regulator for ovens and the like : en
  • US2069197A - Method and apparatus for processing tubular yieldable objects : en
  • FR808413A - Television film production process : en fr
  • GB460806A - Coin freed vending machine : en
  • DE641526C - Precision controller, especially for controlling the temperature of electrically heated metallurgical furnaces : de en
  • US2069404A - Manufacture of alkali metal alcoholates : en
  • FR808219A - Improvements to water heaters whose operation is said to be <free outlet> or : en fr
  • FR808325A - Car brake adjustment system : en fr
  • GB460931A - Improvements in the electrodeposition of tungsten alloys : en
  • US2069607A - Scaffolding device : en
  • US2069388A - Process of manufacturing a food product : en
  • FR808247A - Process for crushing and pulverizing materials : en fr
  • FR808402A - Switching device, depending on the voltage and independent of the frequency of current-consuming devices : en fr
  • US2069248A - Stereotype plate casting machine : en
  • GB460670A - Improvements in or relating to electrical relays : en
  • US2069214A - Safety device for airplane automatic pilots : en
  • USD103090S - Design for a textile fabric : en
  • ES143326A1 - A PROCEDURE FOR THE PREPARATION OF C-DISUBSTITUED THIOBRABITURAL ACIDS : en es
  • FR808208A - Process for the production of bent pleated tubes : en fr
  • FR808433A - New tile or facing plate and its manufacturing process : en fr
  • FR808268A - New sulphoneacetonitrile condensation products that can be used as colorants : en fr
  • US2069260A - Steel roll composition : en
  • FR808278A - Household refrigeration machine : en fr
  • DE1397590U - : de en
  • DE641546C - Device for controlling relays in electrical alternating current circuits by influencing the resonance tuning of an oscillatory resistor structure, which consists of a capacitor and a saturation element designed as a relay : de en
  • FR808323A - Activated carbons : en fr
  • FR808339A - Nitrogenous condensation products of the anthronic series and their preparation process : en fr
  • AU23236A - Improvements in or relating to multi-element screen structures for cathode ray tubes : en
  • US2069494A - Measuring device : en
  • CA363864A - Lock-nut : en fr
  • USD103017S - Design fob a shoe : en
  • GB460641A - A fuel for use in welding : en
  • US2069711A - Stabilized carbon tetrachloride : en
  • GB460620A - Improvements in the production of metallic dust : en
  • AU27036A - Improvements in stop valves : en
  • FR808423A - Coil suspension mechanism for the wick in spinning machines : en fr