• FR866643A - Tracer, marker or measuring device : en fr
  • US2252928A - Hydrocarbon conversion : en
  • SE102358C1 - : sv
  • US2253042A - Truck suspension means : en
  • US2253383A - Apparatus for gooling cans : en
  • DE709503C - Concept holder : de en
  • US2253178A - Oven burner for gas ranges : en
  • US2253315A - Flashlight attachment : en
  • GB538789A - Improvements in means for timing the accessories of internal-combustion engines : en
  • DE709674C - Arrangement for demodulating amplitude-modulated oscillations : de en
  • FR866613A - Lid with opening device for bottles, cans, etc. : en fr
  • US2253147A - Supervisory control system : en
  • USD128982S - Design for a shoe : en
  • GB538965A - Improvements in or relating to tubular heat exchangers : en
  • GB538980A - Improvements in conveyors : en
  • GB538929A - Improvements in or relating to the softening or purification of water : en
  • US2253405A - Mounting for capacitor-motors : en
  • US2253020A - Valve structure : en
  • FR866622A - Improvements to color photography processes : en fr
  • US2252945A - Method of and apparatus for making composite bearing strip : en
  • US2252956A - Building construction element : en
  • GB538839A - Improvements in or relating to circular knitting machines and the product thereof : en
  • USD129041S - Design for a coat : en
  • FR866577A - Aero-hydraulic turbine : en fr
  • GB538788A - An improvement in or relating to power or transmission mechanisms for mechanically-propelled vehicles : en
  • US2253019A - Overhead cable spraying apparatus : en
  • US2253068A - Cooking and heating range : en
  • USD128945S - Design fob a shoe : en
  • US2252722A - Amino acid amidines and process of preparing same : en
  • USD128976S - Design for a finger ring : en
  • FR866517A - Process for preparing ketones : en fr
  • CA398730A - Processed cheese : en fr
  • USD129005S - Design for a handbag : en
  • US2252990A - Baking device : en
  • US2253137A - Synthetic rubberlike resinous composition : en
  • GB538915A - Improvements in or relating to fuel injection apparatus for internal combustion engines : en
  • US2252760A - Material handling apparatus : en
  • US2252795A - Decoy gang actuating mechanism : en
  • US2253327A - Lubricating method : en
  • DE709561C - Switching device with gear preselection for change gears of motor vehicles, especially motorcycles with foot shift : de en
  • US2253332A - Key holder and protector : en
  • DE709532C - Sausage sleeve as a replacement for a pork fat end with a crown : de en
  • DE709489C - Reflector housing for bicycle pedals : de en
  • FR866533A - Process for converting gasoline engines into acetylene engines : en fr
  • CA398745A - Multiple sampling valve : en fr
  • FR866647A - Process for manufacturing pressurized water gas and derived fuels : en fr
  • US2253430A - Radio cartographic position indicator : en
  • FR866561A - Bed bases with devices allowing a reclining person to raise or lower the part of the bedding supporting his chest and his head and that supporting his legs, and beds provided with said devices and comprising, in addition, a total lifting system of the sick : en fr
  • DE709482C - Tobacco pipe with a chamber provided below the removable tobacco container : de en
  • GB538893A - Improvements in or relating to stretchers : en
  • GB538809A - An improved spherical inflatable, athletic game ball and method of making same : en
  • US2252769A - Knitting method and machine : en
  • US2253143A - Dental aspirator : en
  • GB538889A - Improvements in or relating to flushing valves : en
  • GB538945A - Improvements in or relating to the preparation of d-tartaric acid : en
  • US2253179A - Substituted hydroaromatic amides : en
  • US2253447A - Vending machine : en
  • US2252877A - Way grinding machine : en
  • US2253303A - Broaching machine : en
  • US2253379A - Ultra high frequency adjustable antenna : en
  • DE709516C - Friction disc gear with infinitely variable transmission ratio : de en
  • US2253248A - Combination shovel and spreader box : en
  • US2252803A - Jet digger suction head : en
  • IT387797B - : it
  • CA398693A - Game device : en fr
  • US2253293A - Method of making tubs : en
  • GB538888A - Improvements in milking machine teat cups : en
  • US2252774A - Hub brake mechanism : en
  • US2252994A - Rodent and insect exterminator : en
  • AU113651B2 - Improvements inthe precipitation of titanium compounds bythe hydrolytic decomposition of titanium-containing solutions : en
  • US2253243A - Bucket and mop wringer : en
  • US2252712A - Clay gun : en
  • US2253465A - Sausage stuffing apparatus : en
  • DE709549C - Heavy artificial stone mass as a weight for blockers or parquet floor polish : de en
  • DE709603C - Process for painting the pistons of electric lights with partial covering of the piston surface to be painted : de en
  • DE709624C - Four-wire telephone transmission system with amplitude filters, which are used at the same time for echo suppression : de en
  • US2253038A - Knockdown cabinet : en
  • DE709694C - Guide stick holder : de en
  • US2252965A - Handle for files : en
  • US2253329A - Hand loom : en
  • US2252865A - Fluid conditioning apparatus : en
  • GB538946A - Improvements in electric filter circuits : en
  • USD129070S - Design fob a dress : en
  • USRE21881E - Solenoid construction : en
  • GB538841A - Improvements in thread-winding machines : en
  • GB538955A - Improvements in or relating to x-ray apparatus : en
  • GB538790A - Improvements in or relating to gun mountings : en
  • USD128997S - Zsther lundblrcr : en
  • US2253394A - Network distribution system : en
  • US2252863A - Quaternary ammonium salts : en
  • US2252811A - Intercarrier noise suppressor system : en
  • US2253076A - Strip material take-up : en
  • US2253401A - Circuit interrupter contact : en
  • US2252883A - Flow metering apparatus : en
  • AU113637B2 - Improvements in or relating to electric measuring devices : en
  • FR866638A - Tool controller and tool holder suitable for engraving, chasing, chiselling and other delicate work : en fr
  • US2253125A - Fisching hook, particularly for the catching of big fish : en
  • US2253485A - Electrical prospecting method and apparatus : en
  • USD128993S - Design fob a hat : en
  • US2252981A - Resistor and method of making same : en
  • US2253107A - Color index device : en
  • CA398689A - Display sign : en fr
  • US2252892A - Apparatus for holding and grinding flexible blades : en
  • US2253033A - Fan motor frame construction : en
  • FR866584A - Automobile war machine for the destruction of fortified lines : en fr
  • US2253286A - Article hanger : en
  • DE709682C - Carbon pressure regulating resistor, especially for sewing machine drives : de en
  • CA398687A - Folding table : en fr
  • FR866545A - Manufacturing process for primary amines : en fr
  • DE709534C - Double-sided loading frame for firearms : de en
  • GB538932A - Improvements in blinds, shutters and the like : en
  • GB538799A - Improvements relating to electric or other lamps : en
  • USD129026S - Design fob a dress : en
  • CA398736A - Fender, shield and assembly : en fr
  • US2252744A - Cathode ray tube : en
  • US2253185A - Electric discharge apparatus : en
  • USD128994S - Design for a hat : en
  • US2253331A - Knitting machine : en
  • US2252896A - Cutlery : en
  • US2252794A - Display device : en
  • US2253164A - Electrical connector : en
  • USD129059S - Design for a dress : en
  • US2252955A - Device for promoting and controlling aspiration : en
  • USD129053S - Design for a coat : en
  • FR866503A - Process for heat treatment of cast iron and product obtained by this process : en fr
  • GB538814A - Improvements in or relating to phase modulation of high-frequency currents : en
  • GB538817A - Improvements in and relating to hand trucks : en
  • GB538830A - Improvements in protective spectacles : en
  • AU229440A - An improved implement for digging and exposing potatoes : en
  • DE709659C - Process for the production of laminated glasses and similar laminated bodies : de en
  • US2252886A - Stapling machine : en
  • US2253279A - Navigating instrument : en
  • USD128947S - Design fob a shoe : en
  • DE709473C - Circuit arrangement for telephone systems with main and sub-offices and dialer operation : de en
  • DE709619C - Carbonless plate : de en
  • GB538875A - Improvements in and relating to spirit levels : en
  • CA398694A - Stake socket : en fr
  • US2252759A - Tire chain or similar device : en
  • US2253189A - Transmission device : en
  • USD129083S - Design for a dress ensemble : en
  • US2253027A - Toasting machine : en
  • US2252923A - Valve : en
  • US2253351A - Energy translating apparatus : en
  • AU113604B2 - Improved process forthe production of composite blocks, planks or boards from wood laminae : en
  • DE709697C - Process for the production of poppet valves for internal combustion engines : de en
  • US2253410A - Vacuum breaker : en
  • AU91440A - Improvements in or relating to electron discharge devices : en
  • DE709667C - Process for the production of lubricating oil : de en
  • US2253078A - Photographic silver halide emulsion : en
  • GB538808A - Improvements in chutes or guides for machine-gun cartridge belts : en
  • US2253186A - Sound characteristic control : en
  • USD129023S - Design for a dress : en
  • US2253051A - Apparatus for feeding and clinching clinch-on nuts and the like : en
  • US2253362A - Metal remover for tobacco feeds : en
  • USD129032S - Design fob a dress : en
  • DE709496C - Method for bleaching montan wax : de en
  • CA398728A - Disazo-dyestuff : en fr
  • USD128979S - Design foe a jewelry finding : en
  • US2253444A - Syringe hanger : en
  • US2252692A - Means for applying expansible collars : en
  • US2253066A - Fan : en
  • US2253110A - Self-compensating bearing : en
  • US2253399A - Lubricating oil composition : en
  • GB538838A - An improvement in or relating to wheels for tractor or agricultural implements : en
  • FR866502A - Watertight door with multi-bolt locking device : en fr
  • FR866548A - Drying and desiccation of standard quality grapes : en fr
  • US2252714A - Process and apparatus for making metal powder : en
  • US2252753A - Cover for range tops : en
  • USD129075S - Design fob a dress : en
  • US2252963A - Support : en
  • US2253079A - Electrical transmission circuit : en
  • US2253325A - Window lock construction : en
  • US2253163A - Electric socket : en
  • US2252960A - Carburetor structure : en
  • USD128950S - Cabinet-type embalming apparatus : en
  • US2253173A - Wire coating apparatus : en
  • DE709495C - Process for the production of a potato starch product suitable as a thickener for printing pastes : de en
  • USD129055S - Design fob a coat : en
  • US2252998A - Safety swing : en
  • US2253032A - Pitman connection : en
  • USD129035S - Design for a dress : en
  • FR866513A - Device showing resonance curves of large bandwidths : en fr
  • US2252717A - Road spreader : en
  • US2253424A - Typewriting machine : en
  • DE709625C - Circuit arrangement for the transmission of signals over telephone lines : de en
  • GB538981A - Improvements in or relating to x-ray apparatus : en
  • GB538829A - Improvements in or relating to the production of text composition comprising or containing accented characters in record-strip-controlled single-typecasting and composing machines : en
  • DE709525C - Process for the recovery of sulfur : de en
  • CA398692A - Mail cancelling apparatus : en fr
  • GB538867A - Improvements in or relating to casting of pistons and similar cup-shaped articles : en
  • US2253414A - Means for preventing pulsating in heating devices : en
  • GB538906A - Improvements in or relating to devices for conditioning grain : en
  • US2252857A - Telephone system : en
  • US2252871A - Automotive vehicle : en
  • GB538843A - Improvements in or relating to arrangements for charging secondary electric batteries : en
  • FR866592A - Circuit breaker : en fr
  • GB538967A - Improvements in control device for lifts : en
  • FR866552A - Gasifier trailer : en fr
  • FR866566A - Rolling device for checking railway tracks : en fr
  • FR866547A - Flying machine with two lateral flapping wings : en fr
  • USD129031S - Design for a dress : en
  • DE709612C - Method and arrangement for cooling deflagration internal combustion engines : de en
  • USD128943S - Design for a shoe : en
  • USD129034S - Design for a dress : en
  • USD129001S - Design for a muff : en
  • DE709698C - Device for the elimination of carbon residues in internal combustion engines : de en
  • FR866515A - Small carrier bicycle, without pedals : en fr
  • CA398763A - Phenol refining process : en fr
  • GB538858A - Improvements in or relating to regenerative open hearth steel furnaces : en
  • DE709676C - Button arrangement for beacon transmitter : de en
  • US2253199A - Brake safety hanger : en
  • DE709617C - Process for the preparation of AEtiocholylglyoxalen : de en
  • GB538786A - Improvements in or relating to switching means in presses for vulcanising indiarubber footwear or the like : en
  • GB538903A - Temperature control of contact reactions : en
  • US2252709A - Erythramine and process for its production : en
  • US2252734A - Strip feeding and imprinting apparatus : en
  • US2253419A - Plow lift mechanism : en
  • CA398737A - Automobile heating device : en fr
  • US2252805A - Carrier controlled exhibitor : en
  • US2253489A - Metal finish : en
  • US2253086A - Color photography : en
  • US2253081A - Yarn conditioning process and the product thereof : en
  • DE709536C - Tennis or the like ball : de en
  • US2253397A - Ice breaking tool : en
  • CA398690A - Rag picker cylinder lag block : en fr
  • CA398717A - Vacuum-tight insulated lead-in structure : en fr
  • DE709650C - air-raid shelter : de en
  • GB538860A - Improvements in or relating to surface marking plates for roads : en
  • US2252688A - Camera shutter : en
  • USD128937S - Design for a canister or similar container : en
  • GB538820A - Improvements in torque reaction dynamometers : en
  • US2253310A - Suction cleaner : en
  • USD129020S - Design fob a dress : en
  • USD129072S - Design for a dress : en
  • US2253368A - Simultaneously scouring and bleaching with chlorite : en
  • US2253372A - Valve : en
  • GB538851A - Method of scoring a shoe sole : en
  • DE709668C - Process for the preparation of ª ‰ -monohalogen-substituted homologues of acetic acid : de en
  • CA398762A - Vehicle shaft controlling means : en fr
  • DE709468C - Liquid level indicator : de en
  • DE709649C - Military helmet : de en
  • GB538951A - Improvements in and relating to rotary pumps : en
  • US2253149A - Electric razor : en
  • AU33841A - Improved collapsible grapple : en
  • USD128984S - Design for a clock : en
  • US2253246A - Method and apparatus for controlling the metacentric height of ships : en
  • US2253294A - Friction clutch : en
  • USD128971S - Display fad for an article of jewelry : en
  • AU113634B2 - Improvements relating to the lubrication of textile fibres and / or textile processing machinery : en
  • US2253253A - Hoisting apparatus : en
  • US2253352A - Humidifying device : en
  • AU26841A - Improvements relating to key-carrying devices : en
  • CA398709A - Synchronous generator excitation system : en fr
  • CA398740A - Signalling system : en fr
  • CA398704A - Gasket material : en fr
  • US2253108A - Digit bandage : en
  • US2253272A - Nozzle holder : en
  • US2253196A - Gas blast electric circuit breaker : en
  • US2252751A - Telephone unit : en
  • US2252993A - Material cutting and testing machine : en
  • US2253232A - Pipe coupler latch : en
  • US2253393A - Method of connecting carrier frequency to a double circuit : en
  • US2253446A - Buckling folding machine : en
  • CA398766A - Sound record band making apparatus : en fr
  • US2252938A - Joint : en
  • US2253396A - Intermittent flow device : en
  • CA398748A - Wire insulating apparatus : en fr
  • DE675125C - Cooker absorber for cooling machines working with solid absorbent material : de en
  • US2253230A - Safety inner tube for pneumatic tires : en
  • US2253339A - Underskirt : en
  • US2252891A - Knurling tool : en
  • US2253052A - Reversing arrangement for document reproducing machine : en
  • US2252867A - Process for production of alkali metal sulphide and hydrosulphide of high purity and concentration : en
  • USD128939S - Combined eyebrow pencil and brush : en
  • US2253466A - Overload releasing clutch : en
  • US2253057A - Needle element for knitting machines : en
  • US2253320A - Wheel : en
  • CA398685A - Food product cooking apparatus : en fr
  • FR866586A - Process for useful treatment of copper slag from smelter furnaces thrown into landfills as well as ores low in copper : en fr
  • US2253326A - Solvent treating of mineral oils : en
  • FR866522A - Improvements to drum brakes and internal shoes : en fr
  • US2252715A - Glare shield structure for automobiles : en
  • US2253239A - Spring group arrangement : en
  • CA398734A - Food handling apparatus : en fr
  • CA398746A - Coin selector : en fr
  • US2253073A - Thread production : en
  • US2253268A - Brake mechanism : en
  • AU113641B2 - Improvements in and relating to wooden ladders : en
  • US2253468A - Portable graveling equipment : en
  • US2252999A - Article and process for the manufacture thereof : en
  • CA398753A - Cellulose and product treating method : en fr
  • US2252835A - Shaker for granular material : en
  • US2253215A - Apparatus for printing : en
  • US2252851A - Method of making a jewelry article : en
  • US2253228A - Lubricating oil composition, inhibitor therefor, and method of manufacturing the same : en
  • US2253440A - Hacksaw : en
  • CA398724A - Duplicating machine : en fr
  • DE679032C - Slideway for sports, amusement and artistic purposes, especially for skiing : de en
  • AU295640A - Improvements relating to the lubrication of textile fibres and / or textile processing machinery : en
  • US2252700A - Airline radio beam game : en
  • US2252708A - Electric piano construction : en
  • US2252730A - Method of treating and finishing cellulose and cellulosic fibers and products : en
  • US2253462A - Flatiron cord support : en
  • USD129036S - Design for a dress : en
  • AU113619B2 - Improved means forthe illumination ofthe bubbles of liquid level indicators : en
  • FR866536A - Improvements to electrical installations on board vehicles : en fr
  • DE709471C - Voters for groups of numbers determined in advance : de en
  • FR866543A - Gasoline rotary engine : en fr
  • GB538874A - Improvements in or relating to petrol tanks : en
  • GB538881A - Improvements in or relating to liquid pressure motor cylinder devices, more particularly for operating soot blowers of boilers and the like : en
  • US2252796A - Control mechanism : en
  • AU113573B2 - Improvements in and relating to means for converting liquid fuel into gas for use in an internal combustion engine : en
  • CA398727A - Acid azo dyestuff : en fr
  • US2253097A - Beat-up mechanism of looms for weaving : en
  • US2253204A - Internal combustion engine ignition system : en
  • AU38640A - Improvements in and relating to means for converting liquid fuel into gas for use in an internal combustion engine : en
  • GB538837A - Improvements in and relating to holders and tools for assembling and dismantling thefuel pumps of diesel engines and the like : en
  • CA398674A - Ore reducing apparatus : en fr
  • US2252873A - Article of manufacture : en
  • US2252860A - Brake mechanism for vehicle road wheels : en
  • US2252861A - Tractor : en
  • US2253034A - Manufacture of ketones and aldehydes : en
  • FR866621A - Intermediate wheel lifting device : en fr
  • DE709641C - Metal hose with rubber lining : de en
  • DE709476C - Push-button switch with toggle switch : de en
  • US2253247A - Storage battery : en
  • US2253053A - Conversion of single phase alternating electric currents to polyphase currents : en
  • US2253407A - Railway truck : en
  • US2252766A - Signaling system : en
  • AU113615B2 - An improved implement for digging and exposing potatoes : en
  • DK58950C - Arrangement of a separable joint between a tubular element and one perpendicular to this extending element. : da en
  • DE709494C - Hand device for conveying muddy goods : de en
  • FR866528A - Illuminating projectile : en fr
  • FR866534A - Delayed automatic electric circuit breaker : en fr
  • USD128957S - Design for a textile fabric : en
  • SE102355C1 - Procedure for vacuum drying of dry goods placed on metallic substrates, which are sensitive to heat, and apparatus for carrying out the procedure. : en sv
  • US2253389A - Jelly and manufacture thereof : en
  • CA398751A - Foam stabilizing composition : en fr
  • DE709563C - Applicator for cold glue or other liquids : de en
  • AU281840A - Devices and methods for saving fuel : en
  • DE709491C - Machine for applying glue to parts of shoes, especially for cracks in shoe soles : de en
  • GB538819A - Tension-releaser for sewing machines : en
  • GB538813A - Improvement in treatment of synthetic textile yarns or threads : en
  • DE709267C - Aircraft piston internal combustion compressor : de en
  • US2253043A - Cooking temperature guide : en
  • US2253130A - Hydraulically controlled plow : en
  • US2253151A - Calaking equipment : en
  • US2253152A - High speed reciprocating ram pump : en
  • US2253464A - Binder for sheaves and the like : en
  • US2253170A - Door operating mechanism : en
  • US2253176A - Method and apparatus for production of structures : en
  • US2252830A - Method and apparatus for dispensing gas material : en
  • AU294140A - Improved polymeric materials : en
  • USD129054S - Design fob a coat : en
  • GB538834A - Improvements in or relating to machines adapted for shaping shoe upper parts : en
  • US2252995A - Toy vehicle : en
  • USD129045S - Design for a portable power driven tool unit : en
  • US2253156A - Shaving apparatus : en
  • FR866563A - : fr
  • FR866565A - Wave transmission networks : en fr
  • AU344140A - Improvements in remote indicating compasses : en
  • US2252901A - Disconnecting switch : en
  • US2253233A - Sewing machine : en
  • US2253257A - Door latch : en
  • USD128969S - Hand carried traffic signal : en
  • USD128980S - Display mount for backed photographic figures : en
  • USD129011S - Design for a shoe : en
  • CA398757A - Printing scale : en fr
  • USD129019S - Design fob a dress : en
  • GB538861A - Improvements relating to water and like spraying devices : en
  • GB538908A - Improvements in dispersing ores and the like : en
  • DE709627C - Coin phone with automatic charging according to time and zone : de en
  • FR866590A - Extendable connecting rod for transmission : en fr
  • CA398676A - Equine encephalomyelitis vaccine : en fr
  • CA398707A - Synchro-tie control : en fr
  • AU113622B2 - An improved device for rolling cigarettes : en
  • CA398681A - Elastic thread and fabric : en fr
  • US2252948A - Garbage and trash disposal boat : en
  • DE709677C - Directly displaying direction finder : de en
  • USD129040S - Design for a dress : en
  • FR866567A - Improvements to sanitary devices such as water closets or the like : en fr
  • US2252801A - Automatic control for water-gas plants or the like : en
  • US2253289A - Suction cleaner : en
  • US2253284A - Clutch : en
  • DE709577C - Securing and camouflaging armor plates, etc. : de en
  • DK58945C - Method and Apparatus for electric heating of sheets, in particular sheets of magnesium alloy, to be deformed in hot condition. : da en
  • DE700158C - Dependence on a variable-speed control shaft : de en
  • FR866607A - Frame-chassis or body infrastructure for vehicles : en fr
  • GB538948A - A method of generating heat by chemical means : en
  • GB538816A - Improvement in closures for washing machine cylinders : en
  • DK58946C - Grate for Combustion of Fine-grained Fuel. : da en
  • FR866530A - Pest control product : en fr
  • US2252935A - Dentistry jaw : en
  • GB538840A - Improvements in or relating to protective arrangements for the power supply to telephone or like systems : en
  • DE709490C - Drive device for electric alternators of bicycles : de en
  • DE709594C - Speed change and reverse gear : de en
  • DE709599C - Epicyclic change and reversing gears, especially for vehicles : de en
  • GB538827A - Improvements in and relating to electric cables and insulation therefor : en
  • GB538973A - Improvements in open-hearth and like heating furnaces : en
  • FR866650A - Progressive speed variator : en fr
  • US2252828A - Secondary xenoxy-alkyl-amines : en
  • USD129022S - Design for a dress : en
  • USD129048S - Design for a coat : en
  • DK58948C - Compressor or Pump. : da en
  • FR866570A - Process for preparing oxyaryl-aminomethyl ketones : en fr
  • GB538836A - Improvements in furnaces for boilers for hot-water supply and heating installations : en
  • US2252836A - Belting and lining material : en
  • AU113638B2 - Ultra high frequency oscillation generating systems : en
  • CA398738A - Tabulator comparing mechanism : en fr
  • US2252704A - Decoration : en
  • US2252853A - Web controlled signal : en
  • US2252929A - Violin bow : en
  • GB538806A - Improvements in or relating to indicating or recording devices : en
  • US2252899A - Method of manufacturing contact springs : en
  • US2253307A - Electrical circuit : en
  • US2252930A - Handle for baskets and like receptacles : en
  • USD128953S - Masking unit for bowling alley pin setters or the like : en
  • GB538937A - Improvements in and relating to apparatus for use in the carbonation of liquids : en
  • CA398739A - Signalling system : en fr
  • US2252831A - Golfer's training rack : en
  • US2252775A - Turbine driven refrigerator : en
  • US2253259A - Die for x-ray mount presses : en
  • US2253026A - Electrical condenser : en
  • US2253330A - Vehicle : en
  • US2252856A - Telephone system : en
  • US2252985A - Compounded oil : en
  • US2253271A - Mixing machine : en
  • US2252895A - Directional control of sanding : en
  • US2253265A - Sloper : en
  • DE709582C - Process for the chlorination of fatty acids : de en
  • DE709692C - Wet ash removal device, especially for grate firing : de en
  • USD128972S - Handle grip for cooking vessels or the like : en
  • FR866511A - Process for the preparation of amidin compounds : en fr
  • GB538934A - Improvements in the method and apparatus for the manufacture of soap flakes : en
  • DE709533C - Double-sided loading frame for firearms : de en
  • DE709571C - Button with a fabric-covered upper part and a lower part that can be pressed into this : de en
  • US2252690A - Material spreader : en
  • FR866649A - Air-cooled nozzle : en fr
  • GB538963A - Improvements in or relating to piston rings and the like and the manufacture thereof : en
  • GB538949A - Improvements in or relating to shuttering for use for example in the building of concrete structures : en
  • DE709680C - Device for remote tuning of receivers by means of a motor : de en
  • US2252686A - Pail bail : en
  • US2252768A - Knitted stocking and method for making the same : en
  • FR866551A - Addition of elastic links in the crank devices, the bicycle crankset particularly to improve performance : en fr
  • FR866640A - Improvement in gasifiers : en fr
  • FR866550A - Selvedge yarn shuttle for ribbon looms of the kind in which the weft spool remains outside the warp : en fr
  • US2253021A - Projectile : en
  • US2252740A - Catalytic cracking : en
  • US2252975A - Directional signal : en
  • US2253037A - Dry shaver cutter head : en
  • US2253190A - Suspension of vehicles : en
  • AU341740A - Improvements in and relating to wooden ladders : en
  • DK58942C - Procedure for the Preparation of Tertiary Alcohols from the Androstan Series. : da en
  • US2253378A - Control system : en
  • US2252819A - Loom shuttle : en
  • US2252785A - Manufacture of shoes : en
  • USD129052S - Design fok a coat : en
  • DE709485C - Turning device for internal combustion engines : de en
  • DE709530C - Devices on photographic recording apparatus with a finder device : de en
  • AU268340A - Improvements in reaction propulsion engines : en
  • US2252875A - Call transmitter device : en
  • US2253434A - Holder for foodstuffs while roasting : en
  • US2253014A - Phonograph record : en
  • US2252937A - Lehr loader : en
  • USD129043S - Design for a coat : en
  • US2253412A - Disconnecting roller bearing : en
  • US2253426A - Method for producing luminescent screens : en
  • USD128961S - Design for a fluorescent lighting fixture : en
  • DK58956C - Machine for Manufacturing Cylindrical Cardboard Cases. : da en
  • US2252944A - Railway axle box pedestal structure : en
  • US2252749A - Calculating device : en
  • US2253360A - Coated lighting-arrester block : en
  • USD129016S - Dress ensemble : en
  • USRE21882E - sharples : en
  • CA398752A - Cellulose and product treating method : en fr
  • US2253093A - High-pressure vessel : en
  • AU113621B2 - Improvements in and relating to barrels, kegs andthe like : en
  • US2252814A - Coal drying apparatus : en
  • US2253277A - Glass feeding device : en
  • US2253365A - Control system : en
  • AU25841A - Improved mouldboard plough bottom : en
  • DE709620C - Switch lantern for gas lighting : de en
  • GB538897A - Process for glazing fabrics and yarns : en
  • CA398677A - Paper making machinery : en fr
  • FR866571A - Camouflage process reducing or completely canceling, depending on the case, the visibility of airplanes in flight : en fr
  • CA398688A - Heat interchanger : en fr
  • US2252729A - Treatment of composite hydro carbons : en
  • AU230540A - Improvements in automatic seals for containers : en
  • AU113613B2 - Improvements in or relating to electron discharge devices : en
  • CA398735A - Automobile engine light : en fr
  • DE709477C - Time switch with escapement : de en
  • CA398706A - Electronic tube cathode : en fr
  • AU292540A - Improved machine for moulding and capping meat pies andthe like : en
  • US2253477A - Apparatus for fabricating tubular structures : en
  • US2252742A - Eyelash curler : en
  • US2252876A - Lead manufacture : en
  • US2252916A - Plate-type apparatus : en
  • US2253154A - Steam generator, particularly steam cooking device : en
  • US2252786A - Shoe conditioning apparatus : en
  • US2253333A - Conveyer : en
  • US2252946A - Thermostat : en
  • US2252961A - Engine : en
  • DE709480C - Process for the production of chalice glasses (stem glasses) : de en
  • DE709513C - Door sealing using a compressed air hose and a compressed air feed device : de en
  • DE709685C - Arrangement for the automatic regulation of the feed rate at the feed of the cutting tool effecting devices for gates, cutting saws and circular saws for stone processing : de en
  • US2252733A - Form bursting and stacking apparatus : en
  • FR866564A - Hydraulic installation to use the wave motion of the sea for the purpose of producing motive force : en fr
  • DE709545C - Mesh network for high load density : de en
  • DE709556C - Arrangement of the drive for a non-self-priming centrifugal pump : de en
  • FR866523A - Motorcycle on skis : en fr
  • DE709462C - Guns, especially for armored towers : de en
  • DE709684C - Control device for the electromotive drive of the bucket chains of excavators : de en
  • DK58947C - Electric motor driven Heater. : da en
  • USD128968S - Design for a fluorescent lamp fixture : en
  • US2252724A - Air filter : en
  • US2252748A - Transmitter headset : en
  • US2253111A - Container : en
  • USD128977S - Design for an article of bric-a-brac : en
  • CA398743A - Rod and tube straightening machine : en fr
  • GR9615B - HEATER TYPE. : el en
  • FR866625A - Spray gasifier : en fr
  • US2253183A - Spring drive mechanism : en
  • FR866609A - Improvements to protein products and the processes for obtaining them : en fr
  • DE709584C - Process for the production of azo dyes : de en
  • FR866632A - Crankshaft quenching refinements : en fr
  • DE709615C - Template for applying glue to the edge of individual documents : de en
  • GB538909A - Improvements in or relating to the production of glycollic acid derivatives : en
  • GB538939A - Improvements relating to bearings for rotatable members : en
  • GB538931A - Improvements in radio picture transmission : en
  • USD129098S - Design for a dress : en
  • US2253012A - Ski-skate : en
  • US2252968A - Furnace : en
  • US2253472A - Apparatus for submarine geophysical prospecting : en
  • GB538850A - Improvements in and relating to automatic lubrication devices : en
  • DE709472C - Display device for the visualization of continuously successive settings of a power surge transmitter for telecommunications systems : de en
  • US2252918A - Electrical socket : en
  • US2253280A - Article trimming apparatus : en
  • GB538914A - Improvements in and relating to photographic colour development : en
  • DE709520C - Trigger device for air guns with a spring-loaded striking piece : de en
  • DE709609C - Arrangement for locking ion valves in converter circuits in the event of overload or backfire : de en
  • USD128983S - Design for a shoe : en
  • FR866555A - Runner closure and its manufacturing process : en fr
  • DE709613C - Intermediate layer for support leaf springs, especially for motor vehicles : de en
  • GB538844A - Improvements in or relating to automatic selecting switches : en
  • GR9622B - SEWING, MINTING AND EMBROIDERY YARN WINNING MACHINE. : el en
  • US2252726A - Apparatus for exercising and training eyes : en
  • US2253420A - Tractor : en
  • US2253153A - Multiple spindlehead for drilling, tapping, reaming, and other like operations : en
  • US2253234A - Building brick : en
  • US2253010A - Extension table : en
  • USD128940S - Pendant type handle for stoves or the like : en
  • USD128962S - Design for lace : en
  • GB538866A - Process for obtaining carbon dioxide from flue gases : en
  • GB538974A - Improvements in and relating to machines for applying crown corks to bottles, cans and the like : en
  • FR866526A - Roll-up grill : en fr
  • GB538800A - Improvements in or relating to coke oven regulating apparatus : en
  • US2253455A - Fuel injection apparatus for internal combustion engines : en
  • US2252804A - Antichatter device : en
  • AU83641A - Improvements in or relating to electric communication systems : en
  • CA398679A - Churning device : en fr
  • USD129021S - Design for a dress : en
  • USD129085S - Design for a dress ensemble : en
  • DE709576C - Iron or steel infantry bullet : de en
  • DE709671C - Valve or slide controlled reversible piston steam engine with rotating camshaft : de en
  • US2253200A - Photographic enlarging and printing mechanism : en
  • FR866646A - Sunflower tincture manufacturing process : en fr
  • US2253387A - Plunger for solenoid type relays : en
  • FR866544A - Advanced reservoir for liquids : en fr
  • US2253216A - Case for a portable hearing aid device : en
  • USD129091S - Design for a dress : en
  • DE709499C - Command post arranged as a rotating tower in an aircraft cockpit : de en
  • USD129025S - Design fob a dress ensemble : en
  • USRE21877E - Tool holder : en
  • GB538885A - Improvements in or relating to terminal bushing insulators : en
  • US2253055A - Exposure control apparatus : en
  • FR866582A - Device for drawing or profiling wood : en fr
  • GB538926A - Scraper piston rings : en
  • USRE21880E - Road join : en
  • US2253317A - Drawer for refrigerated locker systems : en
  • DE709543C - Arrangement for the selective calling of branch points in telecommunication systems lying on a common line : de en
  • US2253350A - Hydrogen-cooled machine with gland seal : en
  • US2252859A - Grater : en
  • US2252771A - Hydraulic steering stabilizer : en
  • USD129061S - Design for a dress : en
  • GB538968A - Improvements relating to machines for coating containers with paraffin wax and the like : en
  • DE709535C - Arrangement for the alternate remote transmission of values measured at any distance from one another : de en
  • US2252893A - Cutting tool : en
  • US2253162A - Refrigerator control system : en
  • US2252710A - Radio alarm system : en
  • US2253382A - Thermostatic member : en
  • US2253319A - Production of animal feed products : en
  • US2253069A - Core covering apparatus : en
  • CA398747A - Boiler staybolt : en fr
  • DE709546C - Arrangement for the low-loss generation of a large voltage change in a certain area depending on a small change in a variable to be monitored : de en
  • DE709572C - Oil catcher and distributor for gear transmission : de en
  • CA398698A - Work handling device : en fr
  • USD129078S - Design for a dress : en
  • FR866531A - Machine to deform certain parts of the shoes, in particular the heels : en fr
  • US2252757A - Air pump : en
  • US2253206A - Electromagnetic pumping apparatus : en
  • US2253409A - Light projector : en
  • US2253408A - Motor driven vehicle : en
  • US2253127A - Oscillating fan : en
  • AU144740A - Improvements in or relating to electric calculator equipment : en
  • US2252909A - Grading machine : en
  • US2253136A - Electric connecting panel : en
  • CA398726A - Fire alarm system : en fr
  • AU113612B2 - Improvements relating to steam generators : en
  • USD128973S - Design fob a brooch ob similar article : en
  • US2253452A - Mower : en
  • CA398759A - Internal combustion engine : en fr
  • GB538919A - Improvements relating to slicing machines : en
  • DE709634C - Process and system for the generation of water gas in two or more gas generators connected in series : de en
  • US2253367A - Boosting mechanism for bread slicing machines : en
  • DE709662C - Process for the rapid cooling of cement clinker sintered in the kiln and rotary kiln system for carrying out the process : de en
  • GB538807A - Electric signal transmission systems : en
  • US2253295A - Breather for liquid containers : en
  • CA398700A - Acylated styrene : en fr
  • US2253138A - Electrical cable : en
  • US2253431A - Clutch : en
  • US2252707A - Advertising display fixture : en
  • US2253098A - Rotary kiln or drier : en
  • US2253011A - Treatment of hydrocarbon oils : en
  • USD128958S - Design for an illtjminated display stand : en
  • US2252837A - Ditching machine : en
  • CA398725A - Electric lamp holder : en fr
  • GB538797A - Improvements in and relating to manifolding attachments for typewriting machines : en
  • CA398767A - Sound record tape making apparatus : en fr
  • FR866627A - Improvements to igniters : en fr
  • AU113607B2 - Improved machine for moulding and capping meat pies andthe like : en
  • DE709687C - Electric switch with fault current release, especially as protection against contact : de en
  • FR866549A - Improvements to electrical appliances : en fr
  • USD129063S - Design for a dress : en
  • CA398742A - Check valve mechanism : en fr
  • DE709628C - Degassing device for electrical collectors : de en
  • FR866554A - Gasifier nozzle : en fr
  • US2253298A - Ooooo : en
  • US2252808A - Slip-off ingot and feeder therefor : en
  • DE709637C - Process for the sterilization of medical devices for blood transfer : de en
  • GB538846A - New organic nitrogen compounds and their application : en
  • FR866573A - Mechanically expanded rivet, and tools for installation : en fr
  • FR866505A - Improvements to automatic regulators : en fr
  • GB538785A - Improvements relating to braking systems : en
  • GB538832A - Improvements in filters : en
  • US2252681A - High aperture objective : en
  • US2253357A - Transmission mechanism : en
  • US2253398A - Enameled door structure : en
  • USD128949S - Design for a finger ring : en
  • USD129000S - Design fob a hat : en
  • CA398697A - Sliding window device : en fr
  • US2253007A - Process for the conversion of hydrocarbons : en
  • US2253166A - Hydroxyalkyl mono ethers of p, p'-dihydroxy diphenyl amines and process for making same : en
  • USD129080S - Design fob a dress : en
  • US2252752A - Modulating and amplifying system : en
  • DE709691C - Process for bonding materials of all kinds : de en
  • GB538801A - Improvements in or relating to electric couplings : en
  • GB538916A - Improvements in shaving apparatus : en
  • GB538918A - Door sealing means : en
  • US2252778A - Antiskid chain for automobile tires : en
  • US2253376A - Lightning-arrester block : en
  • GB538811A - Improvements in the fixing of plasterboard or similar lining for ceilings, walls andthe like : en
  • DE709475C - Manufacture of a highly active depolarizer from natural brown stone : de en
  • DE709638C - Process for the production of synthetic resins : de en
  • GB538942A - Improvements in and relating to spring and check devices for doors and the like : en
  • FR866624A - : fr
  • GB538904A - Improvements in and relating to hydraulic transmission mechanism : en
  • FR866616A - Process for the recovery of waste heat and / or useful substances originating, during the manufacture of cellulose, from sulphate or sulphite processes or other similar treatments : en fr
  • DK58957C - Regulator for Power Machines. : da en
  • GB538960A - Improvements in refractory linings for pipes or other conduits or narrow chambers : en
  • FR866631A - Improvements made to free-piston machines, in particular to auto-generators of this type : en fr
  • DE709632C - Process for the preparation of nitro dyes : de en
  • DE709633C - Coating agent : de en
  • DE709623C - Receiving device for carrier current telegraphy with intermediate frequency modulation : de en
  • US2252925A - Double snap fastener and installation of the same : en
  • US2253269A - Wiper : en
  • GB538950A - Improvements in high-altitude aircraft : en
  • GB538901A - Method of treating manganese and manganese alloys for the reduction of the boron content : en
  • US2252879A - Production blade grinder : en
  • GB538863A - Method of coating paper : en
  • US2253041A - Radiator grille guard : en
  • DE709665C - Reaction device consisting of two bottoms provided with concentric cylinders : de en
  • DE709653C - Manufacture of cryolite : de en
  • US2252910A - Hair curler : en
  • US2253260A - Hydraulic brake safety signal : en
  • US2253005A - Rotary fluid pressure engine : en
  • DE709466C - Steam boiler flame tube with smooth shots : de en
  • US2253114A - Pump jack : en
  • DE709527C - Arrangement for the reception of television broadcasts by means of cathode ray tubes : de en
  • DE709529C - Sheeter : de en
  • USD129088S - Design for a dress : en
  • DE709686C - Device for automatic parallel switching of electrical AC networks or synchronous machines : de en
  • FR866642A - Improvements to the hearths of air heaters allowing additional water heating : en fr
  • US2252976A - Link for antiskid cross chains : en
  • DE709678C - Adjustment device for radio receivers : de en
  • US2253169A - Head trimmer : en
  • GB538886A - Improved preparation of substantially sulphur-free manganese alloys : en
  • FR866535A - Electric converter : en fr
  • FR866626A - Improvements to graphitic surface coatings : en fr
  • FR866546A - A method of manufacturing a stainless steel container with a reinforced bottom, and a container obtained by said method : en fr
  • GB538975A - Improvements in and relating to crowning machines for bottles and the like : en
  • US2252743A - Method of and machine for producing gears : en
  • US2252802A - Gas producer : en
  • US2252728A - Chlorinated rubber and a method for its production : en
  • US2252824A - Production of trisazo dyestuffs : en
  • US2253354A - Replaceable facing for trimmer gauges : en
  • GB538911A - A method of and means for automatically monitoring or controlling the working of printing or other machines operating on webs or sheets : en
  • GB538912A - Improvements in or relating to apparatus for generating electric impulses : en
  • US2252866A - Rear wheel springing for motorcycles : en
  • US2253017A - Flytrap : en
  • US2253002A - Garment bag : en
  • US2253106A - Chuck : en
  • US2253421A - Method and apparatus for deoxidizing and degasifying liquid steel : en
  • US2253453A - Machine for reducing lumber to desired lengths : en
  • AU39441A - Improvements relating to steam generators : en
  • DE709512C - Carrying device for military equipment : de en
  • GB538900A - Mounting tanks and other rigid structures on the frames of motor vehicles : en
  • US2252907A - Fountain pen : en
  • US2252694A - Electric discharge electrode : en
  • US2252964A - Crate or receptacle : en
  • US2253417A - Terminal clip : en
  • US2252833A - Slip : en
  • DE709566C - Protective device for the DC exciter circuit of AC machines : de en
  • DE709607C - Air guiding device for electric ovens working with air circulation : de en
  • DK58952C - Procedure for Making Reinforcement Inserts. : da en
  • US2252881A - Blank holder circuit with automatic release of blank holder pressure on idle stroke : en
  • USD129010S - Catapult for a boomerang game device or similar article : en
  • US2253092A - Packer : en
  • DE709508C - Dry voltage converter with porcelain insulation : de en
  • DE709651C - High temperature tunnel furnace for firing ceramic goods : de en
  • US2252912A - Well tool : en
  • US2253016A - Rotary shearing head : en
  • US2252767A - Standing valve puller : en
  • USD128932S - Design foe a jewelry clip : en
  • DE709241C - Winch : de en
  • FR866595A - Vehicle seats that can receive stretchers : en fr
  • FR866553A - Attaching a spoke lock placed in a bicycle or motorcycle frame : en fr
  • FR866568A - Improvements made to machines with free pistons, in particular those with variable discharge pressure : en fr
  • FR866569A - Process for preparing m-oxyphenyl-ethanolamine : en fr
  • US2252941A - Oscillating circuits for electrotherapeutics : en
  • US2252967A - Gearing : en
  • USD128987S - Newel post for bowling ball racks or the like : en
  • DE709483C - Lubricating device for the shutter of a manure can : de en
  • GB538917A - Headlights : en
  • US2252911A - Hair curling appliance : en
  • DE709592C - Elastic joint : de en
  • FR866639A - Tight and quick closure for gasifiers : en fr
  • GB538907A - Improvements in instruments using a fluid-pressure operated diaphragm : en
  • DK58960C - Automatic Handgun. : da en
  • CA398699A - Unsaturated glycol diester : en fr
  • US2252788A - Vane rotor : en
  • USD129089S - Design for a dress : en
  • GB538952A - Improvements in or relating to hydraulic means for automatically taking up clearance in valve-actuating tappets : en
  • US2252947A - Speed control for motor vehicles operated by internal combustion engines : en
  • US2253445A - Rotary internal combustion engine : en
  • US2252800A - Operating device for water-gas plants, blast-furnace stoves, or the like : en
  • DE709568C - Thin-walled sheet metal mold for the production of gas protective masks with a rubber sealing frame : de en
  • FR866617A - Universal joint : en fr
  • FR866641A - Nozzle for gasifiers : en fr
  • GB538899A - A process for separating wool fat from wool washing liquids : en
  • GB538891A - Improved glass having an expansion lower than that of silica and process for the manufacture thereof : en
  • GB538977A - Improvements relating to lifting hand trucks, and to raised platforms for use therewith : en
  • US2253160A - Apparatus for automatically controlling feed of fuel to burners or furnaces : en
  • FR866608A - Improvements in the manufacture of smokeless powder : en fr
  • DE709604C - Method and device for the production of concrete moldings : de en
  • DE709621C - Device for the transmission of messages via a line common to several transmitter stations to a main station, in particular for monitoring railway traffic : de en
  • FR866493A - : fr
  • GB538902A - Improvements in or relating to lifting surfaces of aircraft and the like : en
  • FR866538A - Improvements to four-stroke cycle engines giving a? explosion per turn : en fr
  • GB538877A - Improvements in cycles, particularly bicycles, having front and rear wheel drives : en
  • GB538868A - Improvements in pumps : en
  • US2253384A - Oven door construction : en
  • IE16100L - Mounting gas bags on vehicles : en
  • DE709531C - Cinema cassette : de en
  • US2252978A - Drill stem protector : en
  • US2253343A - Multiple unit emblem : en
  • US2253349A - Carpet sweeper : en
  • US2252817A - Nozzle construction for high temperature turbines : en
  • US2252818A - Grinding machine : en
  • US2253028A - Rotary cutting tool : en
  • GB538892A - Improvements in or relating to typographical slug casting machines : en
  • US2252827A - Fastener : en
  • US2253380A - Fabric supporting and feeding apparatus : en
  • FR866612A - Improvements made to locking devices for cylindrical tool holders : en fr
  • FR866618A - Gunpowder : en fr
  • US2253180A - Electric valve excitation circuits : en
  • DE709608C - Electric motor drive for winding machines for paper, cloth and similar materials : de en
  • GB538894A - Improvements in or relating to electric circuit interrupters having arc-extinguishing devices : en
  • US2252854A - Tubular container : en
  • CA398680A - Clutch or brake control device : en fr
  • CA398760A - Storage equipment : en fr
  • US2252919A - Multiwave variable resonator : en
  • CA398695A - Synchronous electric machine : en fr
  • DE709660C - Process for the production of a high-protein fodder : de en
  • FR866578A - Further training for processors : en fr
  • DE709498C - Grinding bodies, especially for tubular mills : de en
  • DE709646C - Alkaline cartridge for oxygen breathing and rescue equipment : de en
  • DE709655C - Device for the automatic regulation of company sizes : de en
  • DE709666C - Process for the production of monobasic aluminum sulfite : de en
  • US2252894A - Calf weaner : en
  • US2252988A - Pinless diaper : en
  • US2252949A - Minnow net : en
  • US2252797A - Automobile door handle remover : en
  • US2252711A - Pressure fluid motor : en
  • US2253088A - Art of preparing derivatives of anarcardic acid : en
  • US2253245A - Replaceable tooth unit for earthworking equipment : en
  • DE709540C - Switching device for electrical signal drives : de en
  • US2252706A - Haloalkyl polyacyl glycosides : en
  • US2252839A - Finger holder : en
  • US2253049A - Method amd apparatus fob automati : en
  • DE709518C - Thread milling machine : de en
  • DE709670C - Valve-controlled piston steam engine : de en
  • US2253150A - Calking gun filler : en
  • USD129082S - Design for a dress ensemble : en
  • DE709595C - Device for melting a metallic coating on a metal pipe : de en
  • FR866596A - Improvements made to two-stroke thermal engines with crankshaft or similar, in particular to those with opposed pistons : en fr
  • US2253290A - Draft control : en
  • USD128941S - Handle for stoves or the like : en
  • US2253023A - Receptacle and closure therefor : en
  • US2253177A - Combined shearing device and closure for liquid dispensers : en
  • US2252790A - Inking apparatus : en
  • USD129093S - Design for a dress : en
  • DE709528C - Amplifier with negative feedback for the amplification of a wide frequency range that is impressed on it : de en
  • DE709585C - Process for the production of azo dyes on the fiber : de en
  • GB538890A - Improvements in and relating to door latching arrangements : en
  • US2252972A - Fuel heating attachment : en
  • US2252921A - Process fob preparation of vitamin : en
  • US2252847A - Combination mute : en
  • US2253155A - Apparatus for stacking glassware : en
  • CA398684A - Combination underwear : en fr
  • US2252750A - Transparent double walled jar for testing liquids : en
  • US2252958A - Carburetor structure : en
  • USD128951S - Besign fob a game board : en
  • USD129039S - Textile fabric or similar article : en
  • USD129073S - Design for a dress ensemble : en
  • DE709501C - Adjusting device for the rolls of rolling mills : de en
  • DE709588C - Process for the manufacture of blankets for vehicle tires : de en
  • DE709643C - Springless valve, especially for piston compressors : de en
  • FR866602A - Aircraft control and articulation device : en fr
  • US2253281A - Draft check : en
  • US2253443A - Photoflood light reflector : en
  • USD129044S - Design for a textile fabric or similar article : en
  • AU113635B2 - Devices and methods for saving fuel : en
  • CA398731A - Periodic wave generator : en fr
  • CA398758A - Railway car door : en fr
  • AU52740A - Improvements in and relating to fuel vapourizers for internal combustion engines : en
  • DE709683C - Protection device for induction motors with push-button motor protection switch : de en
  • GB538905A - Improvements in and relating to appliances for mixing and distributing liquid disinfectants or other fluids : en
  • GB538933A - Improvements in or relating to electrically propelled vehicles : en
  • DE709548C - Grid electrode for discharge tubes : de en
  • DE709463C - Rohrrücklaufgeschuetz : de en
  • AU113650B2 - Improvements in or relating to transmission systems employing pulse modulation : en
  • US2252799A - Combined beet harvesting machine : en
  • DE709657C - Oxidation inhibitor in lubricating oils : de en
  • US2253403A - Welding apparatus : en
  • USD129037S - Design for a coat : en
  • CA398755A - Envelope making machine : en fr
  • USD129033S - Design for a dress : en
  • US2253117A - Cowl : en
  • DE709509C - Device for automatic insertion of double edge rods on flat weft knitting machines : de en
  • US2253141A - Resilient roller and mounting therefor : en
  • USD128967S - Design fob a projection lamp : en
  • CA398701A - Aliphatic polyamine : en fr
  • DE709611C - Process for the recovery of curd soap waste : de en
  • US2252727A - Telemetric level : en
  • US2253241A - Nut or bolt lock : en
  • USD128974S - Design fob a textile fabric : en
  • US2253474A - Siphoning device : en
  • US2253181A - Rack with means for securing the contents : en
  • FR866606A - Improvements relating to bearings or bushings and their manufacturing process : en fr
  • AU299140A - Improvements inthe precipitation of titanium compounds bythe hydrolytic decomposition of titanium-containing solutions : en
  • US2253198A - Conveyer : en
  • US2253442A - Thermostatic control : en
  • USD128935S - Design for a container cap : en
  • US2253381A - Harmonic reduction circuits : en
  • AU73141A - Improved striker nose for weaving loom balance pick wheels : en
  • DE709504C - Device for cooling liquids with crust formation during cooling, especially for dewaxing mineral oils : de en
  • DE709647C - Wooden propeller wing : de en
  • DE709652C - Process for the production of a starch product from potato starch : de en
  • CA398675A - Clamping device for riveting : en fr
  • US2253082A - Nitroalkylamino-anthraquinone dye compounds : en
  • US2253142A - Relay : en
  • US2252973A - Method for testing and producing the fluids of the earth formations encountered in wells : en
  • AU113630B2 - Improvements in or relating to electric communication systems : en
  • US2253316A - Rivetless drive plate : en
  • US2252826A - Hydraulic jack : en
  • US2253048A - Fishing line : en
  • US2253157A - Process for producing cellulose sheets and films : en
  • US2253174A - Measuring instrument : en
  • AU89440A - Improved process forthe production of composite blocks, planks or boards from wood laminae : en
  • USD129099S - Design for a dress : en
  • US2252756A - Apparatus for glass manufacture : en
  • US2253171A - Gas cable installation : en
  • CA398741A - Signalling system : en fr
  • DE709606C - Device for switching a stack of painted paper as required : de en
  • USD129095S - Design for a dress : en
  • FR866562A - Typewriter Improvements : en fr
  • US2252777A - Deep sea fishing reel : en
  • US2253056A - Liquid fuel burner : en
  • US2253102A - Method of reducing shrinkage of wool : en
  • US2253363A - Portable drill : en
  • DE709658C - Process for the plasticizing of polymers which are produced by emulsion polymerization of butadienes with other polymerizable compounds and coagulation of the emulsion : de en
  • DE709524C - Toy figure with remote control of the head movement : de en
  • FR866501A - Signaling systems and the like : en fr
  • US2252952A - Bracket : en
  • US2253296A - Screen for threshing machines : en
  • US2253344A - Friction clutch : en
  • US2252940A - Brake apparatus for vehicles : en
  • US2253184A - Electric discharge apparatus : en
  • US2253308A - Desulphurization of hydrocarbons : en
  • US2253391A - Disk implement : en
  • US2253059A - Mixer : en
  • US2253131A - Combined alternating-currentdirect-current transformer : en
  • US2252720A - Strip trimming and severing apparatus : en
  • USD128966S - Design fob lace : en
  • CA398718A - Non-corrosive anti-freeze liquid : en fr
  • FR866597A - Injector for liquid fuels : en fr
  • AU113605B2 - Improvements in automatic seals for containers : en
  • DE709474C - Circuit arrangement for telecommunications systems, especially telephone systems, with company lines : de en
  • GB538910A - Automobile lifts : en
  • US2252887A - Electrical machine : en
  • US2253031A - Brake head wear element : en
  • US2252684A - Apparatus for the production of artificial structures : en
  • US2252782A - Slide loop : en
  • USD128965S - Design fok a dress : en
  • US2252927A - Gasoline manufacture : en
  • AU113608B2 - Peach splitter and pitter : en
  • US2253074A - Projectile : en
  • US2253132A - Dental instrument : en
  • USD128981S - Design for a shoe : en
  • US2253304A - Permeability tuner and operating mechanism therefor : en
  • USD128963S - Design for lace : en
  • USD129029S - Design fob a dress : en
  • US2252763A - Scraper : en
  • US2252850A - Razor : en
  • US2253065A - Plasticized cellulose derivative compositions : en
  • CA398744A - Stylographic pen : en fr
  • US2253084A - Focal plane shutter : en
  • US2252815A - Transmission of mechanical energy : en
  • USD129007S - Utensil support for a cooking range : en
  • US2253015A - Electrical plug : en
  • US2253256A - Monorail tractor : en
  • US2253342A - Mono-ethers of unsaturated dihydric alcohols and method for producing the same : en
  • US2253487A - Portable well derrick : en
  • US2252986A - Method of repairing cracked or fractured metal walls : en
  • US2253070A - Color correction in printing multilayer film : en
  • US2253018A - Swivel joint for conduits : en
  • USD129013S - Design fok a dress : en
  • AU411740A - An improved device for rolling cigarettes : en
  • FR866559A - Gas generator for powering automobile engines and its accessories : en fr
  • DE709542C - Circuit for occupying a connection path consisting of a call finder and a number stream receiver : de en
  • USD128938S - Design for a chaik : en
  • DE709567C - Device for the first establishment of a uniform heat distribution in the housing of rotary piston machines, in particular of air or gas compressors : de en
  • FR866583A - Gasifier with retractable axial nozzle : en fr
  • GB538796A - Improvements in and relating to manifolding apparatus for typewriting machines : en
  • FR866630A - Steering gear for vehicles : en fr
  • US2253278A - Gauge and tool : en
  • DE709514C - Socket pin connection : de en
  • US2253139A - Cigar packing machine : en
  • GB538971A - Improvements in and relating to membranes made of rubber or the like : en
  • GB538842A - Improvements relating to the manufacture of crepe yarn and crepe fabric : en
  • GB538941A - Improved fastener for cycle pannier bags, haversacks, school and other bags : en
  • USD128929S - Design for a bracelet : en
  • FR866507A - Non-slip rubber glove : en fr
  • DE709493C - Torsion spring fastening for balance spindles, preferably for timer movements : de en
  • FR866585A - Wood hollow body molding process : en fr
  • US2252746A - Television device : en
  • US2253211A - Print wrapping mechanism : en
  • US2253451A - Hen's nest : en
  • US2252915A - Container for liquids : en
  • DE709559C - Theft protection for bicycles : de en
  • US2252832A - Machine for handling materials in web form, especially stentering machines : en
  • US2253395A - Network distribution system : en
  • DE709522C - Safety and shock contact : de en
  • GB538925A - Improvements in agricultural rakes : en
  • FR866572A - Improvements to pocket electric batteries and pocket boxes : en fr
  • FR866508A - Protective envelope for bottles and similar items : en fr
  • US2252738A - Process and apparatus for removing condensates from gas : en
  • GB538958A - Improvements in the production of coloured products containing organic film-forming substances : en
  • US2253159A - Vacuum pump apparatus : en
  • US2253222A - Pontic insert and dental bridge : en
  • GB538812A - Means for maintaining equality of speed and for the remote control of prime mover power units : en
  • US2252908A - Mousetrap : en
  • US2253340A - Voltage control of direct-current generators : en
  • GB538862A - Improvements in double collars for shirts : en
  • DK58953C - Measuring device for Butter and other edible fats. : da en
  • GB538787A - Improvements in and relating to spring and check devices for doors and the like : en
  • DE709636C - Reusable container for dental impression material : de en
  • US2253172A - Table : en
  • US2253314A - Time delay relay : en
  • DE709696C - Protection device for motor vehicle engines against overload : de en
  • US2252687A - Gas and liquid separating device : en
  • US2253064A - Cellulosic compositions of matter containing organic ester amides : en
  • US2253109A - Surface decorating mechanism : en
  • US2252809A - Tapered honing tool : en
  • DE709622C - Spring-loaded and adjustable contact wire suspension for electric railways : de en
  • US2253045A - Valve removing tool : en
  • US2253182A - Germicidal preparation : en
  • US2253063A - Golf practicing and scoring device : en
  • USD128954S - Design fob a casing for a bowling ball stop : en
  • US2253402A - Make-alive electrode for vaporelectric converters : en
  • US2252755A - Method of saturating fibrous coverings on wires, cables, and the like : en
  • US2253276A - Glass pressing machine : en
  • US2253324A - Grinding machine : en
  • GB538853A - Rotary kilns : en
  • US2252924A - Valve : en
  • FR866509A - Improvements to processes for the construction of hollow bodies such as aircraft structures : en fr
  • US2253240A - Fluid pressure system : en
  • GB538792A - Composite fabrics for balloon envelopes : en
  • GB538928A - System and apparatus for automatic facsimile telegraphy : en
  • US2253292A - Color televistion system : en
  • USD128942S - Air conditioning apparatus or similar article : en
  • USD129042S - Design for a deess : en
  • FR866558A - Wheel drive device for tractors, tillers and agricultural machinery and machinery : en fr
  • US2253263A - Temperature indicating and temperature controlled and controlling device : en
  • US2253458A - Multiple stick holding device : en
  • DE709526C - Photoelectric device, in particular for displaying interruptions and / or gaps in paper webs of rotary printing machines : de en
  • CA398713A - Snap-acting thermostat : en fr
  • FR866637A - Stamping die for sound recording films with mechanical sound recording and method of producing sound recording films by using the die : en fr
  • DE709461C - Sealing strip for car bodies, especially for doors and windows of motor vehicles : de en
  • USD128959S - Design for an illuminated display stand : en
  • USD129094S - Design for a dress : en
  • GB538815A - Tool for use in assembling and dis-assembling metal machine gun cartridge belts and their cartridges : en
  • GB538865A - Improvements relating to knitted fabrics and manufactured knitted articles : en
  • US2252721A - Cyclic amidine : en
  • US2252982A - Apparatus for conditioning air : en
  • US2253312A - Television signal-reproducing system : en
  • US2253302A - Sound on film : en
  • US2253369A - Over-quota control system for elevators : en
  • FR866532A - : fr
  • US2252934A - Cough drop : en
  • US2253201A - Magneto with protective mechanisms : en
  • USD128970S - Design fok a lace : en
  • US2253229A - Calculating machine : en
  • FR866611A - Improvements in bearing construction : en fr
  • US2253377A - Cutting or welding and heat-treating apparatus : en
  • US2253158A - Rotary printing press ink fountain : en
  • US2253432A - Tap clamp : en
  • US2252970A - Chair back construction : en
  • US2253083A - Apparatus for boiling-off textile fabrics : en
  • US2253476A - Metal alloys and method of making composite alloys of definite compositions therefrom : en
  • US2252913A - Congelation machine and method : en
  • US2253217A - Trailer : en
  • DE709569C - Process for the electrolytic extraction of tin from tinned waste material, in particular tinplate waste : de en
  • GB538979A - Improvements relating to manhole covers : en
  • US2252858A - Electric insulating material : en
  • US2253036A - Means for sealing packages : en
  • US2253361A - Resistance-shunted lightining arrester : en
  • US2253415A - Means for centering tubular well strings : en
  • US2253483A - Electromagnetic vibratory governor for dynamos : en
  • US2252971A - Miniature saddle : en
  • US2253000A - Textile and method of making the same : en
  • US2253425A - Electric switch : en
  • US2252888A - Lawn edger : en
  • FR866524A - Improvements to pushers for screw-making machines and other similar machines : en fr
  • US2253188A - System of electric distribution : en
  • US2253366A - Automatic welding head : en
  • US2253471A - Chlorination of titanium bearing materials : en
  • US2252943A - Nursery accessory : en
  • US2253195A - Electric shaver : en
  • US2252703A - Apparatus for the suspension of glass articles or sheets : en
  • US2253459A - Friction clutch : en
  • USD129004S - Design for a dress ensemble : en
  • USD129081S - Design fob a dress : en
  • DE709507C - Device for the synchronization of electric motors to a master frequency using grid-controlled discharge vessels : de en
  • FR866576A - Wrapping of cellulose film or similar materials : en fr
  • USD129100S - Design for a dkess : en
  • US2252840A - Double toggle finger holder : en
  • US2253321A - Arc welding system : en
  • US2252701A - Flour sifter combination : en
  • US2253436A - Automobile suspension : en
  • USD128928S - Design fob a bracelet : en
  • US2252897A - Car construction : en
  • US2253439A - Reciprocating drive for straight knitting machines : en
  • US2252725A - Phenolic sugar alcohol : en
  • US2253348A - Pan dump mechanism : en
  • USD128930S - Design for a jewelky clip : en
  • GB538871A - Improvements in or relating to halogenated polymers of ethylene : en
  • DE709589C - Process for the production of molding resins from curable phenol aldehyde resins : de en
  • GB538805A - Improvements in or relating to a method and apparatus for coating metals by dipping : en
  • CA398712A - Gland seal for rotating shafts : en fr
  • DE709587C - Lathe for shaping buttons : de en
  • DE709492C - Shot counter for machine guns, the display device of which can be controlled by an electrical stepping mechanism : de en
  • FR866599A - Control unit with pitch indicator for propeller pitch variations : en fr
  • CA398715A - Vacuum-tight insulated lead-in structure : en fr
  • FR866580A - New food product and its manufacturing process : en fr
  • GB538882A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • GB538869A - Improvements in light-sensitive diazo compounds : en
  • US2252764A - Sign structure : en
  • DE709601C - Device for electrical remote display of the position of a measuring device : de en
  • FR866628A - Metal wire for electrical resistance : en fr
  • GB538855A - Improvements in or relating to high-pressure metal vapour electric discharge tubes : en
  • US2253024A - Folding bassinet : en
  • FR866615A - Improvements made to reinforced concrete constructions with a view to limiting or preventing vibratory oscillations : en fr
  • GB538852A - Method of molding a shoe sole : en
  • DE709487C - Method for producing pores on running surfaces, in particular on aluminum pistons and cylinders of internal combustion engines : de en
  • DE709591C - Bearing with rotatable bearing bush : de en
  • FR866645A - Improvements to electrical conductors and electrical installations comprising these conductors : en fr
  • US2252898A - Multilayer polarizing body and method of manufacture : en
  • USD129057S - Design for a dress ensemble : en
  • US2253334A - Process for treating nickel-bearing alloys : en
  • USD128931S - Design foe a jewelry clip : en
  • GB538935A - Deposition former and process for the production of rubber bathing suits : en
  • US2253121A - Wire handling implement : en
  • USD129090S - Design for a dress : en
  • CA398764A - Moth-proofing solution : en fr
  • GB538922A - Improvements in and relating to synthetic resinous condensation products and the like : en
  • US2253205A - Hydraulic brake : en
  • DE709062C - Teaching kit for the production of model buildings : de en
  • DE709470C - Radio training system : de en
  • US2252798A - Dental forceps : en
  • US2253129A - Circuit interrupter : en
  • US2253227A - Lubricating oil composition, inhibitor therefor, and method of manufacturing the same : en
  • US2253242A - Desizing textiles with chlorite : en
  • US2253213A - Distributor for stokers : en
  • DE705727C - Cushioning, especially for motor vehicles : de en
  • DE709523C - Device for applying protective coatings made of lacquer or the like to the longitudinal seams inside the can bodies : de en
  • GB538802A - Improvements in or relating to dish washing machines : en
  • AU113640B2 - Improvements relating to electric discharge lamps : en
  • US2253275A - Laminated tube winding machine : en
  • US2253104A - Elastic half-belt for trousers : en
  • US2253388A - Protective relay : en
  • USD128995S - Design for a hat : en
  • DK58944C - Electric Accumulator Battery with Alkaline Electrolyte. : da en
  • US2253203A - Internal combustion engine piston : en
  • US2253221A - Ignition mechanism : en
  • CA398702A - Aluminium and alloy melting process : en fr
  • US2253283A - Carton handling and unloading machine : en
  • US2252697A - Manufacture of metal products : en
  • US2252845A - Container handling apparatus : en
  • US2252920A - Hose coupling : en
  • US2253337A - Diode-triode apparatus : en
  • USD129027S - Combined evening and stbeet dress : en
  • US2253480A - Oil refining process : en
  • USD129051S - Design for a coat : en
  • AU353940A - Improvements in directional instruments : en
  • US2253119A - Bearing means for shafts : en
  • US2253236A - Illuminated house number holder : en
  • US2253261A - Dust collector : en
  • US2252693A - Control device for internal combustion engines : en
  • US2253306A - Motor : en
  • US2253469A - Receptacle : en
  • US2253035A - Apparatus for the production of a ray of slow neutrons : en
  • USD129008S - Design fob a textile fabric or similar article : en
  • US2252902A - Adjustable hat : en
  • AU184140A - Improvements in or relating to transmission systems employing pulse modulation : en
  • USD129064S - Design for a dress : en
  • US2253075A - Toy : en
  • US2252698A - Universal nozzle : en
  • US2252807A - Coke oven charging mechanism : en
  • US2252951A - Tomato corer : en
  • USD129076S - Design for a dress : en
  • FR866633A - Manufacturing process of combustible agglomerates : en fr
  • GB538880A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • US2252905A - Safety device for gas systems : en
  • US2253454A - Fuel injection apparatus for diesel and other internal combustion engines : en
  • US2253210A - Gum massage device : en
  • US2252969A - Web roll controlling mechanism : en
  • USD129097S - Design for a dress : en
  • US2253428A - Packing : en
  • US2253113A - Calculating device : en
  • US2253047A - Article conditioning shakeout tumbler : en
  • US2253208A - Electron discharge device : en
  • DE709486C - Starting device for internal combustion engines : de en
  • DE709693C - Table or wall shelves : de en
  • GB538826A - Means for supplying liquids other than fuel to the induction systems of internal combustion engines : en
  • DE709581C - Method of making a sizing agent : de en
  • US2253416A - Bearing and bearing retainer : en
  • FR866556A - Carburetor : en fr
  • US2253025A - Vibration damping means : en
  • US2253252A - Refrigerating apparatus : en
  • US2252792A - Leaf flipper : en
  • AU113628B2 - Improved striker nose for weaving loom balance pick wheels : en
  • US2253134A - Air deflecting apparatus for vehicles : en
  • US2253165A - Tap-changing system : en
  • USD129067S - Dress ensemble : en
  • FR866619A - Process for the preparation of diaminodiphenylsulphone derivatives : en fr
  • CA398750A - Engine governor : en fr
  • AU399240A - Improvements in and relating to barrels, kegs andthe like : en
  • US2252773A - Pump for pitless wells : en
  • US2253091A - Paper container : en
  • US2252838A - Governor : en
  • CA398720A - Rail cushioning and fastening means : en fr
  • AU314040A - Explosives : en
  • US2252989A - Tobacco pipe reamer : en
  • US2252843A - Mono-azo dyestuffs insoluble in water : en
  • USRE21878E - Method and apparatus fob : en
  • CA398756A - Weighing scale : en fr
  • GB538959A - Improvements in the production of cellulose esters : en
  • USD129069S - Design for a dress : en
  • AU113639B2 - Explosives : en
  • US2252719A - Catalytic reactor : en
  • AU113616B2 - Improvements in reaction propulsion engines : en
  • AU300640A - Electromagnetically driven hydraulic pump comprising an oscillating pump membrane and operating according tothe principle of resonance : en
  • USD129079S - Design for a dress : en
  • US2253101A - Shield for glasses : en
  • US2252996A - Gun perforator : en
  • US2253386A - Moving stairway : en
  • FR866620A - Multiple control system by pressurized fluid, with safety relay : en fr
  • US2253448A - Chain dredge bucket : en
  • US2252682A - Photographic objective : en
  • USD129101S - Design for a dress : en
  • AU113617B2 - Improved polymeric materials : en
  • GB538798A - Improvements in or relating to cooling apparatus : en
  • GB538859A - Improvements in, or relating to, the production of water-soluble derivatives of alkylol amides : en
  • US2252841A - Machine tool : en
  • US2253438A - Tractor with gas producer arranged thereon : en
  • US2252936A - Method of balancing a foot within a shoe : en
  • US2252765A - Polishing device : en
  • USD128955S - Design fob a textile fabric : en
  • CA398711A - Dynamo-electric machine control system : en fr
  • DE709597C - Tool for the production of knee joints using a hand-held jackhammer : de en
  • FR866600A - New shoe for protection against cold and humidity : en fr
  • FR866601A - Brake improvements : en fr
  • GB538870A - Improvements in pumps and filters therefor : en
  • DE709645C - Window for gas masks : de en
  • USD129062S - Design for a dress : en
  • CA398765A - Monovinyl acetylene : en fr
  • US2252821A - Multicolored laminated resin product : en
  • USD129038S - Design foe a bathtub : en
  • US2253001A - Power transmitting device : en
  • US2253237A - Humidifier : en
  • US2253475A - Clothes drying and airing cabinet : en
  • CA398691A - Garment : en fr
  • AU298040A - Ultra high frequency oscillation generating systems : en
  • USD129028S - Design fob a dress : en
  • US2253044A - Windrow harvester : en
  • USD129074S - Lynn dress ensemble : en
  • US2252878A - Safety device for trucks and other vehicles : en
  • US2253202A - Special loom harness and tension easing mechanism for weaving a tubular bag with a three end leno weave : en
  • USD129014S - Design for a deess : en
  • US2253224A - Plugging device : en
  • US2252793A - Lubricating oil composition : en
  • US2253373A - Self-cleaning sanitary comb : en
  • DE709537C - Press for sheathing cables with aluminum or other light metals : de en
  • US2252737A - Hinge construction for upward acting doors : en
  • US2253262A - Apparatus for boiling aqueous starch mixtures : en
  • DE709675C - Arrangement for demodulating amplitude-modulated oscillations : de en
  • USD129066S - Bress ensemble : en
  • CA398714A - Vacuum-tight insulated lead-in structure : en fr
  • DE709547C - Circuit arrangement for frequency measurement : de en
  • US2252849A - Light and sound signaling system : en
  • US2253161A - Counterbalanced lid support : en
  • US2253441A - Luminous electric discharge device : en
  • USD129077S - Design for a dress : en
  • US2252770A - Light sensitive electrode and method of manufacture : en
  • US2252846A - Acoustic device : en
  • US2253067A - Production of rubber threads : en
  • US2253267A - Alternating current vibratory apparatus : en
  • US2253406A - Air delivery device : en
  • DE709404C - Overcoats for printing rollers : de en
  • US2252822A - Sulphanilamide solution : en
  • US2252900A - Pellet forming apparatus : en
  • US2253096A - Mechanical horse : en
  • CA398733A - Methane nitrating process : en fr
  • US2252906A - Clutch and brake mechanism : en
  • US2253258A - Film gate adjustable for films of different widths : en
  • US2253146A - Method of sizing synthetic linear polymer yarns : en
  • US2253231A - Sensitometer, actinometer, and photographic characteristic measuring scale : en
  • AU333440A - Improvements relating to electric discharge lamps : en
  • US2252926A - Loose-leaf binder : en
  • US2253288A - Wheelbarrow : en
  • US2253148A - Power take-off mechanism : en
  • US2252842A - Treatment of hydrocarbons : en
  • USD128999S - Design for a combined glove and mitten : en
  • CA398708A - Operation indicator reset : en fr
  • US2252932A - Sheet metal nut and nut installation : en
  • US2253060A - Coating apparatus : en
  • US2253251A - Sterilizing and storage cabinet : en
  • USD129012S - Design for a bathing cap : en
  • US2252933A - Cornhusker : en
  • DE709479C - Manufacture of a substance containing luminescent zinc sulfide or zinc cadmium sulfide : de en
  • US2253126A - Refrigerating apparatus : en
  • US2253400A - Electric switch : en
  • USD128985S - Combined tie clip and extension pencil : en
  • US2252695A - Supporting means for aerial tramways : en
  • US2253287A - Suture and method of packaging and sterilizing the same : en
  • US2253467A - Liquid supply container : en
  • CA398732A - High-frequency tunable system and apparatus : en fr
  • US2253105A - Combination metallic and insulation shingle : en
  • US2253220A - Spark plug : en
  • US2253375A - Welding : en
  • DE709553C - Clamping cartridge of cartridge chucks with exchangeable clamping jaws : de en
  • GB538883A - Improvements in or relating to indicating devices for liquid pressure supply systems : en
  • DK58951C - Spring base with longitudinal and transverse girders. : da en
  • DE709564C - Process for providing pipes or similar hollow bodies made of vulcanized fiber with a corrosion-resistant lining : de en
  • DE709586C - Process for the production of socks with flat heel on flat weft knitting machines and machine for carrying out the process : de en
  • DE709688C - Delayed response fuse : de en
  • CA398703A - Titanium gluconate : en fr
  • FR866512A - Device for measuring the frequency dependence of broadband electrical transmission apparatus of television and others : en fr
  • US2252917A - Quick drying printing ink and method of preparation : en
  • USD129009S - Lace curtain or similar article : en
  • AU113610B2 - Improvements in directional instruments : en
  • DE709580C - Feeding device for rolling mills : de en
  • FR866648A - Wood breaking machine : en fr
  • GB538964A - Improvements in disconnectible couplings for pipes or the like : en
  • GB538956A - Improvements in or relating to gas turbine plant : en
  • GB538896A - A new or improved snow sweep : en
  • CA398716A - Vacuum-tight insulated lead-in structure : en fr
  • DE709560C - Display device for twist grips of motorcycles u. like : de en
  • FR866634A - Gas or smoke filter with moving parts : en fr
  • DE709648C - Device for the automatic monitoring of the correct direction of travel for the driver of rail-less vehicles that are electrically powered by means of overhead lines : de en
  • DE709605C - Device for switching on the automatic shuttle replacement device on interchangeable looms : de en
  • DE709656C - AC switchgear with mechanically moved contacts : de en
  • FR866588A - Composite wheel : en fr
  • GB538884A - Manufacture of sulphonamide derivatives : en
  • GB538828A - Improvements in or relating to record-strip controlled single-typecasting and composing machines : en
  • GB538978A - Apparatus for coating wire or the like with insulating rubber or similar material : en
  • IE16164L - Artificial cellulosic sponges : en
  • DE709517C - Copy milling machine for contour milling : de en
  • FR866518A - Process for the manufacture of packaging for jams or the like and machine for its implementation : en fr
  • DE709690C - Process for the preparation of N-substituted pyrazole anthrones : de en
  • GB538791A - An improved reinforced fish net : en
  • FR866506A - Improvements made to the manufacture of electrodes and spark plugs : en fr
  • DE709552C - Internal combustion engine : de en
  • FR866579A - Sizing product and resulting new industrial products : en fr
  • FR866629A - Molding compound and method for making it from coffee beans or the like : en fr
  • US2253225A - Spark plug cleaner : en
  • US2253270A - Gear : en
  • DE709640C - Sealing of the ducting of pipelines through walls u. Like. By means of plastic masses : de en
  • GB538944A - Water purifying and softening apparatus : en
  • US2253058A - Drive mechanism for axle driven speed responsive devices for railway trains : en
  • GB538831A - Improvements in construction of primary electric cells : en
  • GB538804A - An improved transportable shelter : en
  • US2252953A - Mounting bracket for switch boxes : en
  • US2253089A - Spinning apparatus and method : en
  • FR866519A - Process for preparing plastic or coating compositions containing a mixture of alkyl resins and aminotriazine : en fr
  • US2252904A - Clip device : en
  • US2252939A - Feeding device : en
  • USD129047S - Design for a coat : en
  • US2253040A - Socket for artificial limbs : en
  • US2253128A - Compounds of group iv-beta elements with alpha-beta unsaturated acids : en
  • US2253478A - Direction signal for motor vehicles : en
  • USD129015S - Design fob a dress : en
  • US2252980A - Concrete floor and roof joist : en
  • US2253090A - Spool holding and tensioning device for cameras : en
  • US2253336A - Bottleneck : en
  • US2253456A - Air blast gin with pneumatic mote discharge : en
  • CA398710A - Porcelain-surface protection : en fr
  • US2253299A - Rotary clutch : en
  • US2253328A - Damper regulator : en
  • US2252885A - Drop seat garment : en
  • US2253341A - Milking machine valve mechanism : en
  • DE709515C - Electromagnetic multi-disc clutch : de en
  • US2253457A - Improving the dyeing of textiles : en
  • US2253100A - Spike puller : en
  • USD128934S - Design for a container cap : en
  • GB538976A - Improvements relating to containers of corrugated paper, fibre-board, straw-board orthe like : en
  • US2253145A - Gaseous conduction device : en
  • US2253194A - Means for differentially selecting coins, tokens, and the like : en
  • US2253223A - Binding-post and jack-plug unit for electrical installations : en
  • SE102349C1 - : en
  • US2253266A - Oil burner : en
  • USD129068S - Design for a dress : en
  • GB538803A - Improvements in or relating to method of and apparatus for spreading powdered material in a mold : en
  • US2252713A - Local anesthetic intermediate and process for manufacturing the same : en
  • USD129096S - Design for a deess : en
  • DE709573C - Method for the die pressing of aircraft wheels : de en
  • FR866539A - Improvements made to pots used to collect resin from pine trees or other natural sap : en fr
  • GB538845A - Improvements in or relating to photo-sensitive layers and methods of manufacturing such layers : en
  • GR9620B - CARBON SUBSTITUTE OF CARBON SUITABLE FOR HOUSEHOLD AND INDUSTRIAL USE AND FOR THE MOVEMENT OF INDOOR ENGINES IN GENERAL. : el en
  • USD128990S - Design for a sweater : en
  • AU113627B2 - Improved collapsible grapple : en
  • US2252991A - Friction material and method of making same : en
  • US2253123A - Meat tenderizing machine : en
  • US2253370A - Welding timer : en
  • USD128986S - Textile fabric or similar article : en
  • USD129046S - Design for a portable power driven tool unit : en
  • US2252762A - Drive for printing presses and other machines : en
  • GB538940A - Improvements in cathode constructions for x-ray tubes : en
  • DE709642C - Welding socket connection : de en
  • DE709578C - Control for a compressed air fluid conveyor for venting the conveyor tank : de en
  • US2253112A - Hydraulic control system : en
  • US2253254A - Animal trap : en
  • US2253450A - Automatic volume control system : en
  • GB538794A - A new or improved bullet-proof petrol tank : en
  • FR866520A - Printing telegraph device : en fr
  • USD128992S - Design fob a hat : en
  • GB538924A - Improvements in and relating to electric resistance heating elements : en
  • FR866510A - Process for the preparation of novel sulfanilic amide derivatives : en fr
  • FR866605A - Improvements to reaction lamp devices : en fr
  • FR866527A - Brake improvements : en fr
  • GB538821A - Improvements in and relating to manifolding apparatus for typewriting machines : en
  • US2252779A - Container and method of making the same : en
  • US2253009A - Circuit interrupter : en
  • GB538879A - Improvements in or relating to liquid pressure remote control systems for operating soot blowers of boilers and the like : en
  • GR9619B - A MIXTURE OF COFFEE AND SUGAR STANDARDIZED IN TABLETS OF THE PRESCRIPTION IN COFFEE. : el en
  • US2253133A - Asparagus canning machine : en
  • US2253297A - Gelatinous solutions of cellulose compounds : en
  • US2253309A - Suction cleaner : en
  • US2253118A - Pneumatic connection : en
  • US2253255A - Laminated spring : en
  • US2253305A - Automotive vehicle brake system : en
  • AU113642B2 - Improvement in band-pass filters including trap circuits : en
  • CA398749A - Engine governor : en fr
  • US2252977A - Roller for roller bearings : en
  • US2253077A - Sewing machine : en
  • US2252732A - Method of treating cellulose textile material : en
  • US2253291A - Process for the manufacture of hollow rotating bodies : en
  • US2253323A - Production of drying oils : en
  • US2252783A - Loose leaf binder : en
  • US2253061A - Manufacture of fruit acids : en
  • AU297440A - Improvements in or relating to electric measuring devices : en
  • US2253022A - Shoulder strap holder : en
  • US2253301A - Capsule forming mechanism : en
  • AU113618B2 - Electromagnetically driven hydraulic pump comprising an oscillating pump membrane and operating according tothe principle of resonance : en
  • AU316640A - Peach splitter and pitter : en
  • US2253244A - Inseam shoe sewing machine : en
  • US2252816A - Tool for applying window sash springs : en
  • US2253006A - Apparatus for hydrocarbon oil conversion : en
  • USD129002S - Design for a hat stiffener : en
  • US2252848A - Bottle carrier : en
  • USD128978S - Design fob a textile fabric : en
  • FR866603A - Improvements to drawing devices : en fr
  • USD129086S - Design fob a dress : en
  • US2252844A - Azo dyestuffs insoluble in water : en
  • US2252950A - Dry battery lamp : en
  • US2253404A - Submersible electric motor : en
  • US2252731A - Method of preparing a solution of cellulose : en
  • USD129058S - Design for a dress : en
  • US2252745A - Drill bit head : en
  • US2252761A - Relay : en
  • DE709629C - Arrangement for the operation of rectifiers, whose grid circles receive a phase-variable control AC voltage : de en
  • US2253422A - Blade holder : en
  • US2252984A - Compounded hydrocarbon oil : en
  • USD128989S - Design for a skirt : en
  • US2252723A - Halogen-alkyl amidines and process of preparing same : en
  • US2252784A - Heating and air conditioning unit : en
  • US2253479A - Motor vehicle : en
  • US2253374A - Woven fabric : en
  • US2253003A - Means for compressing finely divided substances and process therefor : en
  • US2253300A - Universal joint : en
  • US2252754A - Gas-operated automatic firearm : en
  • US2252992A - Baby panties : en
  • AU113644B2 - Improved drag scoop : en
  • US2252966A - Lock : en
  • USD128996S - Design fob a hat : en
  • US2253392A - Synchroscope : en
  • US2253197A - Fluid blast circuit breaker : en
  • US2252776A - Metal sheet and process of making and using the same : en
  • US2253095A - Profiling device : en
  • US2253335A - Circuit controlling device : en
  • US2253390A - Circuit interrupter : en
  • US2253463A - Smoking appliance : en
  • US2252957A - Process for producing petroleum sulphonates : en
  • US2253140A - Sheet separating apparatus : en
  • US2253435A - Connection of the ends of wires : en
  • US2252864A - Process for separating high molecular mixtures : en
  • US2253429A - Metatarsal pad : en
  • US2252931A - Bottle feed and holdback motion : en
  • USD128960S - By xlttoknery : en
  • DE709465C - Deep drilling method : de en
  • DE709505C - Receiver for television broadcasts with audio accompaniment : de en
  • US2253192A - Method of dressing and treating furs : en
  • DE709679C - Device for the step-by-step adjustment of display devices coupled with switching arrangements : de en
  • CA398719A - Non-corrosive alcohol anti-freeze liquid : en fr
  • US2252683A - Method of form setting abrasive disks : en
  • US2252791A - Refrigeration : en
  • US2252983A - Electric circuit breaker : en
  • US2253359A - Current collector : en
  • DE709502C - Device for removing rolled-in boiler tubes : de en
  • FR866516A - Carriage for firearms placed in or behind shelters : en fr
  • US2253122A - Ink circulating mechanism : en
  • CA398722A - Interior frosted glass article : en fr
  • DK58954C - Swivel slide seal for internal combustion engines. : da en
  • US2252810A - Method for carrying out endothermic gas reactions in regenerative gas heaters : en
  • US2253085A - Machine tool : en
  • GB538970A - Improvements in or connected with mining machines of the cutter-chain type : en
  • GB538957A - Manufacture of dyestuffs of the phthalocyanine series : en
  • CA398678A - Dental pulp tester : en fr
  • USD129017S - Design fob a dress : en
  • US2252691A - Material spreader : en
  • US2252718A - Reversal process of color photography : en
  • US2252872A - Traction sprayer : en
  • US2253238A - Apparatus for winding strandular material : en
  • DE709672C - Ice box : de en
  • FR866591A - Improvements to bottle washing machines : en fr
  • US2252781A - Apparatus for defibering and deinking papers : en
  • GB538856A - Improvements in multiple-lift gasholders : en
  • US2252829A - Switch plate : en
  • DE709478C - Control device for several power consumers, which are fed and controlled via grid-controlled discharge vessels, especially for the sub-motors of a multi-motor drive : de en
  • DE709506C - Television amplifier arrangement, especially for intermediate frequency amplifiers : de en
  • USD128988S - Combined score table and score projector or similar article : en
  • GB538824A - Improvements relating to coin-testing devices for automatic coin-actuated machines : en
  • USD129065S - Design for a dress : en
  • CA398696A - Sleigh runway : en fr
  • US2253072A - Water heater : en
  • US2253087A - Hammer mill : en
  • US2253313A - Signal-translating channel : en
  • US2253218A - Telephone system : en
  • FR866593A - Safety device for liquid fuel tanks : en fr
  • GB538966A - Improvements in a cupro-ammonium process for the production of artificial filaments : en
  • FR866581A - Food products and their manufacturing process : en fr
  • FR866614A - Manufacturing process of bleaching earths very activating by attack with sulfuric acid : en fr
  • US2253062A - Method of preparing fabric : en
  • DE709469C - Control device for short-circuit and compressed air braked trains : de en
  • FR866557A - Nozzle used to supply gasifier fires : en fr
  • FR866635A - Rotary toothbrush : en fr
  • DK58943C - Telegraph relay. : da en
  • GB538873A - Improvements in or relating to petrol tanks : en
  • DE709575C - Control of impeller propellers : de en
  • GB538872A - The manufacture of composite metal articles : en
  • GB538947A - Improvements in television signal-translating systems : en
  • FR866587A - Machine gun silencer : en fr
  • FR866604A - Air conditioning installation, for constant pressure chambers : en fr
  • GB538835A - Water purifying apparatus : en
  • GB538876A - Manufacture of bricks and the like for heat and sound insulation : en
  • DE709583C - Device for generating high DC voltage : de en
  • GB538913A - Improvements in the production of cellulose esters : en
  • GR9618B - STRING MUSICAL INSTRUMENT. : el en
  • FR866504A - Fixing the floor to the side members of combat vehicles : en fr
  • US2252772A - Hydraulic steering stabilizer : en
  • US2253411A - Mouthpiece puller : en
  • GB538795A - Modulating system for carrier frequency signalling and the like : en
  • AU77341A - Improved apparatus for coiling wire, particularly for use in the manufacture of barricades : en
  • AU80641A - Improvements in or relating to carpet sweepers : en
  • US2252716A - Automobile visor and rear vision mirror support construction : en
  • US2252823A - Apparatus for shot blasting leaf springs : en
  • US2252959A - Process for treating pipe-line oil : en
  • US2252689A - Production of filaments, ribbons, and the like : en
  • US2253274A - Method of making pigments : en
  • DE709555C - Process for sensitizing halide silver emulsions : de en
  • FR866542A - Device to improve the travel of the easel in rectilinear hosiery looms with picking : en fr
  • GB538936A - Loose-fill composite materials : en
  • US2253219A - Panel bend : en
  • DE709574C - Device for collecting and reusing the contents of filling hoses : de en
  • CA398729A - Liquid dispensing apparatus : en fr
  • US2252962A - Self-cleaning boiler control : en
  • AU301340A - Improved means forthe illumination ofthe bubbles of liquid level indicators : en
  • DE709519C - Arrangement for the display of the approach to the inflated flight condition : de en
  • AU113629B2 - Improvements in or relating to carpet sweepers : en
  • DE1507045U - : de en
  • US2253322A - Machine for applying reinforcing rings to clothespins : en
  • USD129030S - Design fob a dress : en
  • USD128933S - Design for a jewelry clip : en
  • US2252954A - Heating device : en
  • US2252869A - Hacksaw blade : en
  • US2252806A - Manufacture of one-piece, drysealing window envelopes : en
  • US2253353A - Awning for automotive vehicle windshields and the like : en
  • GB538887A - Improvements relating to high tension ignition magnetos for internal combustion engines : en
  • DE709663C - Process for enhancing grape, fruit and berry wines and musts : de en
  • US2252979A - Refrigeration apparatus : en
  • US2253030A - Push toy : en
  • US2253187A - Testing gas for the detection of carbon monoxide : en
  • US2253193A - Chassis for vehicles, especially tubular chassis for motor vehicles : en
  • USD128956S - Design for a textile fabric : en
  • US2253413A - Spindle drive control for machine tools : en
  • US2253482A - Ice cream vending machine : en
  • USD129060S - Design fob a dress : en
  • DE709610C - Step-jacket transformer with flux drainage : de en
  • US2253250A - Sterilizing and storage cabinet : en
  • USD129092S - Design for a dress : en
  • US2253486A - Catalytic conversion of hydrocarbons : en
  • US2253094A - Dispensing rack : en
  • US2253168A - Frictional clutch : en
  • US2252787A - Glass cleaning apparatus : en
  • US2252868A - Exercising device : en
  • US2253214A - Processor : en
  • US2253282A - X-ray film holder : en
  • USD129003S - Design fob a dress : en
  • US2252741A - Spudding mechanism for cable tool drills : en
  • DE709467C - Wrapping tape profile : de en
  • CA398723A - Web or sliver preparation : en fr
  • GB538810A - Improvements in and relating to water heaters : en
  • GB538938A - Improvements in or connected with loading machines, particularly for the mechanical loading of coal in coal mines : en
  • US2252739A - Process for removing condensates from gas : en
  • AU113625B2 - Improvements relating to key-carrying devices : en
  • AU113648B2 - Improvements in and relating to fuel vapourizers for internal combustion engines : en
  • US2252813A - Seal : en
  • US2252852A - Telegraph perforator : en
  • US2252903A - Painting machine : en
  • USD128936S - Capsule container and dispenser : en
  • US2252922A - Ophthalmic mounting : en
  • US2253418A - Air conditioning apparatus : en
  • US2253484A - Tuning mechanism : en
  • US2253054A - Device for measuring flatness of glass : en
  • AU113609B2 - Improvements in remote indicating compasses : en
  • DE709616C - Process for the preparation of secondary aromatic aminoketones : de en
  • DE705542C - Buckling and scraping device for bast fiber stalks : de en
  • US2253212A - Jewelry case : en
  • GB538854A - Improvements in surgical bandages, binders for babies or the like : en
  • DE709557C - Landing gear for aircraft that can be swiveled in the direction of flight : de en
  • US2253013A - Airplane propeller : en
  • US2253046A - Discharge apparatus for pumps : en
  • FR866574A - Anti-aircraft machine gun carriage : en fr
  • US2253358A - Seismic exploration method : en
  • DE709644C - Preservation of green feed : de en
  • FR866525A - Improvements in means for conditioning the atmosphere or a gas in an enclosure : en fr
  • GB538822A - Manufacture of amidine derivatives : en
  • GB538923A - Improvements in valve remote control apparatus : en
  • US2252870A - Carrier frequency heterodyne oscillator : en
  • DE709481C - Magnetic material for high frequency technology : de en
  • US2252884A - Drop seat garment : en
  • DE709598C - Spring-loaded self-closing valve for nozzles on fire extinguishers : de en
  • GB538793A - Improvements in combinations of a hpmv lamp with means for cooling it : en
  • DE709550C - Device for regulating the fuel supply in internal combustion engines for dusty fuels : de en
  • US2252699A - Azimuth radio beacon system : en
  • US2253437A - Hydraulic pot press, which serves for pressing cocoa butter from the liquid cocoa mass : en
  • USD129087S - Design fok a dress ensemble : en
  • US2253167A - Sulphur dyestuff : en
  • DE709538C - Process for the preparation of ethers of monooxyhalogeno-1,4-benzoquinones : de en
  • US2253103A - Truss : en
  • AU438840A - Improved drag scoop : en
  • DE709635C - Mortar-free masonry made of refractory bricks : de en
  • DE709664C - Umfuehrungseinrichtung for wide strips and similar rolling stock : de en
  • DK58949C - Device for side guide strips for light-tight blinds. : da en
  • US2253423A - Article carrier for automobiles : en
  • US2253355A - Television scanning system : en
  • USRE21883E - Filler for cartons or other : en
  • CA398683A - Wall coping : en fr
  • USD128975S - Design for a heating stove casing : en
  • GB538921A - Improvements in tuned circuits : en
  • FR866514A - Improved device for measuring the frequency dependence of broadband electrical transmission devices, used in particular in television : en fr
  • US2253008A - Shipping and display box : en
  • US2253050A - Apparatus for feeding compression molds for cigar fillers : en
  • US2253209A - Railway train : en
  • GB538954A - Improvements in building constructions : en
  • GB538972A - Improvements in or relating to type-bar mechanism for typewriters : en
  • DE709614C - Extrusion press for venting clay and similar plastic masses : de en
  • DE709521C - Device for adjusting the barrel for weapons with variable spread : de en
  • US2253144A - Communication system : en
  • US2253175A - Fuel burner : en
  • US2252882A - Vibrator : en
  • USD129006S - Design for an atomizer : en
  • US2253460A - Injection molding machine : en
  • GB538895A - Improvements in or relating to type setting or stamping devices : en
  • US2252780A - Fastening-inserting machine : en
  • FR866537A - Improvements to cisterns for sanitary ware, water closets or the like : en fr
  • FR866636A - Gasifier for all applications and in particular for motor vehicles : en fr
  • US2252889A - Car construction : en
  • USD129084S - Design for a dress ensemble : en
  • FR866540A - Method and machine for reinforcing footwear : en fr
  • USD128964S - Design for lace : en
  • US2253115A - Mechanical gas pressure device : en
  • US2252758A - Method of making diaphragms : en
  • US2253481A - Can opener : en
  • AU113645B2 - Improved mouldboard plough bottom : en
  • US2252874A - Pressure indicator : en
  • US2253470A - Chlorination of titanium bearing materials : en
  • CA398705A - Rolling mill power distribution : en fr
  • US2253080A - Resonant chamber circuit for use especially with inductive output tubes : en
  • DE709511C - Apparatus for obtaining spinnable fibers from precooked fiber-containing leaves, in particular yucca leaves : de en
  • GB538930A - Improvements in waterproofing plaster boards : en
  • GB538953A - Improvements in and relating to the production of impregnated paper and laminated articles : en
  • DK58955C - Gas Welding Procedure. : da en
  • DE709593C - A valve consisting of two valve bodies connected in series and acting in one direction : de en
  • AU113647B2 - Improved apparatus for coiling wire, particularly for use in the manufacture of barricades : en
  • US2252812A - Combined garbage receptacle and rat trap : en
  • US2253273A - Shipping carton for cone top cans : en
  • US2253385A - Steel : en
  • US2253029A - Windshield wiper : en
  • GB538920A - Improvements relating to explosives : en
  • US2253207A - Electric metal fusing apparatus : en
  • US2253461A - Mailbox signal : en
  • USD128944S - Design for a shoe : en
  • US2253311A - Ticket control device : en
  • USD129071S - Design fob a dress : en
  • DE709558C - Device for swiveling in and out a braking surface on aircraft : de en
  • DE709631C - Process for the preparation of metal-containing monoazo dyes : de en
  • GR9616B - METHOD OF CONNECTION OF GAS SUPPLY OF EXTERIOR APPLIANCE TO INTERNAL COMBUSTION ENGINE. : el en
  • FR866521A - Beater and semi-automatic playing card dispenser : en fr
  • FR866594A - Combined rotary and longitudinal movement device : en fr
  • GB538898A - Improvements in "spot" adjusting mechanism for use in, for example, radio transmitters : en
  • US2252702A - Ink and method of manufacturing the same : en
  • US2252997A - Support : en
  • US2253235A - Pigmented material : en
  • US2253356A - Method and apparatus for measuring the water resistance of paper : en
  • FR866589A - Pulp manufacturing process and resulting new industrial product : en fr
  • DE709464C - Mobile excavation shoring made from concrete or reinforced concrete fittings : de en
  • FR866575A - Hydraulic transmission : en fr
  • US2253449A - Cultivator staff : en
  • US2252914A - Diesel engine : en
  • GR9614B - HOW TO MAKE A BEVERAGE IN FRYED SISAMOPITTA. : el en
  • US2253345A - Chuck : en
  • DK58959C - Guide cable systems for use when navigating ships. : da en
  • US2252825A - Automatic coin-controlled electrically operated step-by-step mechanism : en
  • US2253071A - Portable electric sprayer : en
  • DE709488C - Process for the production of antihalation layers : de en
  • US2252747A - Neutralizing arrangement for telegraph circuits : en
  • GR9621B - METHOD AND MEANS OF RENEWAL OF DESTROYED NATURE RENAISSANCE. : el en
  • GB538818A - Improvements relating to ion-exchange processes for the treatment of water : en
  • GB538849A - Improvements in or relating to pressure gauges : en
  • DE709618C - Lettering made of rubber for printing on non-absorbent material : de en
  • FR866644A - Process for the manufacture of a coffee substitute : en fr
  • DE709626C - Device for quick testing of telephone systems with back control, especially line dialing systems : de en
  • DE709639C - Flushing arrangement for two-stroke internal combustion engine : de en
  • GR9617B - MECHANICAL GAS FILTER OUT OF AIR CONDITIONER. : el en
  • DE709590C - Altimeter : de en
  • US2252685A - Film splicing apparatus : en
  • US2253488A - Bobbin : en
  • CA398761A - Textile material processing : en fr
  • DE709654C - Circuit arrangement for telephone systems with dialer operation for counting connections of different values according to time and zone : de en
  • AU347740A - Improvement in band-pass filters including trap circuits : en
  • US2253318A - Impedance device : en
  • IT387830B - : it
  • DE709579C - Compressed air drill that can be pushed into the self-made borehole : de en
  • DE709602C - Device for automatic registration or regulation of free road traffic : de en
  • US2253433A - Rapid selector means for radio sets and the like : en
  • USD128991S - Design foe a lock : en
  • DE709497C - Process for improving the spinning process in the manufacture of viscose rayon : de en
  • GB538848A - Improvements in speed indicators : en
  • US2253338A - Modulated-carrier signal receiver : en
  • DK58941C - Device for devices for fitting zippers on tape. : da en
  • FR866623A - Improvements relating to adjustable propellers : en fr
  • FR866541A - Standard gasifier trunk for the automobile : en fr
  • USD128948S - Design fob a shoe : en
  • USD128952S - Masking unit for bowling alley pin setters or the like : en
  • USD129049S - Design for a coat : en
  • US2252705A - Mercuri alkyl phenol derivatives : en
  • USD128998S - Design for a hat : en
  • US2253004A - Weighing scale dump : en
  • DK58958C - Firebomb extinguisher. : da en
  • DE709541C - Automatic impulse generator for telephone systems : de en
  • DE709596C - Swivel-out workpiece carrier for gear shaping machines, resting on sliding surfaces : de en
  • GB538857A - Improvements in the production of dyes of the cyanine type and intermediates therefor : en
  • FR866560A - DC meter : en fr
  • GB538847A - Improvements in and relating to apparatus for the treatment of gases : en
  • AU113649B2 - Improvements in or relating to electric calculator equipment : en
  • CA398754A - Paper conditioning method : en fr
  • US2252880A - Smoking pipe : en
  • CA398721A - Undergarment : en fr
  • DE709695C - The suspended ceiling made of hard plasterboard is suspended from the beams : de en
  • US2253120A - Printing press : en
  • DE709600C - Foot switch for motorcycles : de en
  • FR866598A - Improvements to self-propelling projectiles : en fr
  • US2252855A - Fastening means for detachably securing handles to operating shafts : en
  • US2253226A - Cash register : en
  • US2253285A - Cracking oil by leached zeolites : en
  • US2253364A - Ignition of thermit mixtures : en
  • US2252736A - Strip feeding trimmer and bursting machine : en
  • US2253347A - Hydraulic jack operating mechanism : en
  • USD128946S - Design fob a shoe : en
  • USD129056S - Asteroff dress ensemble : en
  • US2252696A - Method of preparing diethylstilbestrol and other stilbene derivatives, and intermediated therefor : en
  • US2253099A - Paper trimmer : en
  • US2253039A - Loose-leaf binder : en
  • US2253135A - Mercury switch : en
  • USD129050S - Design fok a coat : en
  • US2253346A - Reflector device : en
  • US2252735A - Strip feeding and severing apparatus : en
  • US2252890A - Pulp screen : en
  • US2252974A - Crankcase ventilating system : en
  • CA398682A - Rotary blower and exhauster : en fr
  • US2252789A - Suspension system for articulated vehicles : en
  • US2252862A - Spring suspension for vehicles : en
  • GB538961A - An improved method of and means for drying crops : en
  • CA398686A - Tire casing : en fr
  • FR866529A - Apparatus for distributing solid fuel on the grate of a furnace and for removing ash and slag from it : en fr
  • DE709554C - Arrangement for aligning additional devices to be removably attached to a machine tool : de en
  • US2253191A - Dynamoelectric machine : en
  • US2253427A - Curtain rod of the railway type : en
  • US2253473A - Smoker's device : en
  • DE709500C - Power take-off device arranged on aircraft engines for drawing greater power : de en
  • US2252942A - Metal spray gun : en
  • US2252987A - Internal combustion engine : en
  • US2253116A - Lawn edger : en
  • USD129018S - Design fob a dress : en
  • DE709551C - Compressed air or propellant gas generators with flying piston compressors : de en
  • US2252820A - Clamp : en
  • USRE21879E - gilpin : en
  • DE709484C - Air-compressing, self-igniting internal combustion engine : de en
  • DE709673C - Circuit for rectifying or amplifying electrical vibrations : de en
  • GB538878A - Improvements in or relating to a method of and apparatus for conveying a succession of articles toward and away from a receiving station : en
  • DE709689C - Process for the production of acidic dyes of the anthraquinone series : de en
  • DE709570C - Method and device for calibration and testing of nozzles : de en
  • FR866610A - Treatment of iron and steel objects to impart a colored finish : en fr
  • US2252834A - Roof flashing : en
  • USD129024S - Design fob a dress : en
  • US2253124A - Process for the manufacture of preparations influencing the blood pressure : en
  • US2253264A - Tubular insulator : en
  • US2253371A - Valve : en
  • US2253249A - Wiper blade : en
  • DE709630C - Device for grid control of grid-controlled vapor or gas discharge lines, in particular in converter arrangements : de en
  • GR9613B - OINTMENT TO INCREASE THE STRENGTH OF THE SHOES OF THE SHOES. : el en
  • GB538969A - A regulating arrangement designed for the regulation of the interior temperature of buildings : en
  • GB538864A - Protective apparatus for electrical distribution networks : en