• DE709167C - Interchangeable pen with a push cap which is arranged to be rotatable and displaceable along the length and which is adjustable and displaceable on the lead holder to be brought into the writing position : de en
  • US2251464A - Power transmission : en
  • US2251837A - Trousers rectifier : en
  • GB538564A - Improvements in or relating to stoppers for carboys, bottles, cans and like containers : en
  • CA398512A - Upright piano : en fr
  • DE709217C - Method for producing an electrode with a roughened surface, in particular for electrolytic capacitors : de en
  • CA398501A - Rail joint : en fr
  • DE709102C - Arrangement for supplying power consumers working with arcs : de en
  • US2251656A - Safety attachment for trailer couplings : en
  • GB538570A - Improvements in or relating to butt-welding and butt-welded work : en
  • US2251621A - Hull for boats : en
  • US2251835A - Production of tetrahydrofurane from 1,4-butylene glycol : en
  • USD128680S - Design for a phonograph needle box : en
  • FR51127E - Steam generator : en fr
  • FR51143E - Process for the preparation of organic dyes : en fr
  • FR51101E - Removable paving, manufacturing process, means of production and new products obtained : en fr
  • GB538495A - Improvements in and relating to isolating valves : en
  • DE709086C - Shock-absorbing container : de en
  • GR9599B - MECHANICAL APPLICATIONS OF PRACTICAL NUMBERING. : el en
  • USD128657S - Design for an animal shoe or the like : en
  • US2251745A - Method for manufacturing semiconducting resistors : en
  • US2251301A - Telephone system : en
  • US2251457A - Paint sprayer : en
  • US2251679A - Core drill apparatus : en
  • CA398392A - Door type partition : en fr
  • FR51086E - New method of locating enemy batteries, without interference and precision by cinematography and photography : en fr
  • US2251402A - Tie for boxes, bales, and the like : en
  • US2251435A - Tipping vehicle : en
  • USD128688S - Design for a bracelet or similar article : en
  • CA398463A - Electromagnetic wave sounding device : en fr
  • US2251369A - Silencer : en
  • US2251524A - Metallic weather strip : en
  • US2251839A - Removable truck body : en
  • USD128746S - Design fob a dbess : en
  • FR51112E - Process for curing polymerizates and products obtained : en fr
  • USD128755S - Design for a dress : en
  • CA398479A - Electron tube : en fr
  • US2251685A - Rail anchor : en
  • US2251555A - Frictionless roller bearing : en
  • DK58905C - Procedure for applying covering material on roads, sidewalks, courtyards and similar traffic lanes, especially in humid weather conditions. : da en
  • GB538571A - Improvements in or relating to automatic electrode control apparatus for arc furnaces : en
  • US2251401A - Parallel motion picker stick mechanism for looms : en
  • US2251478A - Device to form pin curls : en
  • FR51090E - Improvements to fixing devices : en fr
  • US2251270A - Cellulosic sheet material and process for making the same : en
  • US2251466A - Power transmission device : en
  • US2251865A - Hinge : en
  • USD128763S - Design foe a dress : en
  • DE709067C - Outlet valve in which the inlet is closed by a membrane : de en
  • DE709155C - Rodent repellants : de en
  • DE709111C - Process for sensitizing halide silver emulsions : de en
  • FR866386A - Friction shifting : en fr
  • US2251335A - Photographic device : en
  • GB538557A - Improvements in and relating to screening or like reciprocating mechanism : en
  • GB538468A - An improved process for obtaining the flesh of crustaceans, particularly shrimps : en
  • US2251511A - Ventilator : en
  • US2251570A - Document photographing machine : en
  • US2251385A - Mercury switch actuating means : en
  • USD128764S - Design fob a dress : en
  • AU278140A - Improvements in or relating to machines organised for pressing breast flaps on shoe soles against heels : en
  • FR51083E - Fretted wood aerial propeller and its manufacturing process : en fr
  • US2251729A - Control device : en
  • CA398413A - Direction finding aerial system : en fr
  • USD128730S - Design for a deess : en
  • FR51089E - Device for the automatic conversion into weight of a volume of liquid delivered at various temperatures : en fr
  • US2251881A - Zone air conditioning control system : en
  • CA398375A - Hot air furnace device : en fr
  • DE709210C - Trolley without self-propulsion for paddle wheel arm : de en
  • US2251624A - Plant bed protector equipment : en
  • CA398525A - Azeotropic distillation dehydration : en fr
  • DE709078C - Locking device for a spring-loaded roof of a motor vehicle to be opened in the event of an accident : de en
  • US2251516A - Control device for carburetors on motor vehicles : en
  • US2251802A - Process of making dipolymer varnish : en
  • USD128635S - Design for a display stand : en
  • US2251704A - Firetrap for motion picture projectors : en
  • USD128702S - Design fob a dress : en
  • CA398427A - Record resurfacing machine : en fr
  • DE709120C - Circuit for car light networks of alternating current railways : de en
  • US2251750A - Pusher-type electromagnet : en
  • US2251459A - Process for the manufacture of mercaptothiazolines : en
  • US2251627A - Carton : en
  • US2251812A - Lawn and garden sprinkler : en
  • DE709185C - Device for regulating the paper tension of rotary printing machines : de en
  • DE709227C - Process for the production of condensation products using alkali or alkaline earth metal hydrides as condensation agents : de en
  • US2251526A - Quinine solution : en
  • US2251552A - Fuel injection pump : en
  • US2251587A - Weed exterminating tool : en
  • USD128642S - Design fog a container : en
  • AU113570B2 - Improved method of treating refractory ores : en
  • CA398502A - Brake shoe mounting : en fr
  • SE102243C1 - : en
  • DE709073C - Cinema cassette camera : de en
  • US2251769A - Supporter in undergarments : en
  • GB538511A - Improvements in photographic cameras with photo-electric control devices : en
  • US2251347A - Rail car : en
  • US2251519A - Process for making polymeric materials : en
  • US2251540A - Coronaproof condenser plate : en
  • US2251353A - Process for recovering bromine and iodine from alkaline brines : en
  • US2251572A - Awning : en
  • USD128690S - Design fok a textile fabric : en
  • US2251303A - Treating molten metal : en
  • USD128748S - Design for a fruit juice extractor : en
  • USD128767S - Design fob a dress : en
  • DE709113C - Braking device on bicycles : de en
  • US2251328A - Flexible sheet : en
  • DK58917C - Door handle with combination lock. : da en
  • US2251847A - Glass machine : en
  • DE709017C - Visual file : de en
  • DE709022C - Process for the extraction of hard or soft paraffin from coal, slate or other bituminous substances : de en
  • US2251285A - Lasting machine : en
  • CA398368A - Sealer lifter : en fr
  • CA398441A - Electron discharge device : en fr
  • CA398498A - Windshield pump : en fr
  • US2251571A - Catalytic treatment of hydrocarbons : en
  • CA398408A - Heterocyclic compound : en fr
  • DE709194C - Free hanging tensioning and hanging clamp for inserting an electrical cable or similar. : de en
  • USD128709S - Design for a dress : en
  • DE709123C - Zero setting device for counters u. like : de en
  • FR51072E - Improvements made to lubricating oil heater filters for internal combustion engines : en fr
  • DE709029C - Method for reducing the influence of pitch errors in the photoelectric generation of periodic pulse trains using perforated or slotted disks : de en
  • DE709059C - Switching mechanism for an automatic piston measuring device : de en
  • GR9602B - IMITATION OF WOODEN ARTIC CORK FOR SHOES. : el en
  • CA398508A - Electrical switching mechanism : en fr
  • DE709220C - Two-plate gate valve, whose shut-off plates, which can be pressed onto the opposite seats, are controlled by angle levers which are hinged at one end to the slide frame which can be moved up and down : de en
  • FR51122E - Process for the preparation of heterocyclic compounds, of the pyridine, quinoline and isoquinoline series : en fr
  • GB538492A - Stereoscopic viewing device : en
  • CA398431A - Gas generation : en fr
  • USPP480P - Rose plant xx : en
  • CA398469A - Radio transmitter and receiver : en fr
  • CA398474A - Paper machine slice : en fr
  • US2251857A - Broom : en
  • US2251793A - Endless type motion picture projector : en
  • CA398462A - Tabulating machine : en fr
  • GB538580A - Improvements relating to the protection of fuel tanks : en
  • US2251313A - Machine for trimming or slitting sheet material : en
  • CA398365A - Sulphur nitride : en fr
  • DE709032C - Device for generating ultra-short waves : de en
  • DE709171C - Arrangement for telephones or the like in caps : de en
  • AU43241A - Improvements in collapsible and folding camp beds and stretchers : en
  • FR866366A - Method of compacting explosives by centrifugal force : en fr
  • GB538541A - Piezo-electric elements : en
  • US2251355A - Insulated electrical conductor : en
  • CA398371A - Neon lamp : en fr
  • CA398482A - High molecular mixture separation : en fr
  • US2251304A - Breech closure for guns : en
  • US2251600A - Baking appliance : en
  • US2251263A - Grafting substance : en
  • US2251698A - Road vehicle construction : en
  • DE709226C - Impregnation to prevent rotting for yarns, nets, ropes or canvas : de en
  • US2251574A - Tube paste dispenser : en
  • US2251742A - Means for recording signals electrically : en
  • CA398464A - Change-speed gearing : en fr
  • US2251366A - Clutch : en
  • DE709085C - Ball of yarn : de en
  • USD128615S - Design for a hanger : en
  • USD128632S - Design foe a pneumatic tire : en
  • USD128758S - Design for a dbess : en
  • CA398488A - Journal box and side frame : en fr
  • US2251273A - Adhesive sheet and method of making the same : en
  • US2251447A - Concrete block machine : en
  • DE709016C - Schritfgutbehaelter with a mechanism consisting of a tube and a plug-in bracket : de en
  • US2251522A - Window glass set : en
  • AU113558B2 - Improvements in visual course indicators for radio directive systems : en
  • US2251513A - Corrugating machine : en
  • DE709010C - Color filter arrangement for matching the spectral and general sensitivity of photoelectric light meters to the recording material : de en
  • AU113547B2 - Improvements in or relating to machines organised for pressing breast flaps on shoe soles against heels : en
  • USD128628S - Design for a separable brooch pin : en
  • DE709051C - Pendulum inverter : de en
  • DE709152C - Teaching device in the form of a simulation game : de en
  • FR51144E - Switching device for alternating currents : en fr
  • DE709072C - Device for photographing the fluorescent X-ray image : de en
  • US2251592A - Door catch extension : en
  • US2251662A - Internal expansion engine : en
  • US2251681A - Wear-testing fabric and other materials : en
  • CA398497A - Hydraulic scale : en fr
  • US2251846A - Zinc chromate : en
  • US2251514A - Valve : en
  • USD128652S - Design for a deess : en
  • USD128640S - Design for a vase ok similar article : en
  • USD128694S - Design for a coat : en
  • DK58906C - Telegraph receiver. : da en
  • GB538566A - Improvements in and relating to macerating and juice extracting devices : en
  • USD128668S - Design for a bottle : en
  • US2251536A - Method of manufacturing deter : en
  • US2251266A - Magnesium alloy : en
  • FR51150E - Advanced cookie cutter and its manufacturing method : en fr
  • FR866388A - Process for the preparation of reactive oxyalkylamidine ethers-salts : en fr
  • US2251507A - Stock watering device : en
  • GB538460A - Improvements in or relating to control mechanism for the wheel brakes of aircraft : en
  • DE709094C - Collector shoe pantograph : de en
  • FR866373A - Tool for quickly scratching firearms : en fr
  • DE709180C - Pressure medium force switch : de en
  • GB538445A - Improvements in tube cutting machines : en
  • GB538441A - Improvements in or relating to refrigeration systems : en
  • FR51075E - Wire supplier or similar : en fr
  • FR51068E - Stabilized oscillators : en fr
  • USD128617S - Design for a shoe : en
  • US2251682A - Ventilating construction : en
  • US2251644A - Fastening device : en
  • FR51077E - Disinfection product : en fr
  • US2251434A - Machine for manufacturing electric fuse plugs : en
  • CA398511A - Electrical apparatus protective device : en fr
  • USD128743S - Design fob a dress : en
  • US2251276A - Circuits for directionally controlling signal transmission in twoway signal transmission systems : en
  • USD128607S - Design for a game board : en
  • CA398442A - Television system : en fr
  • DE709035C - Multi-stage direct current amplifier fed with alternating current : de en
  • DE709162C - Device for rerouting and forwarding control movements switched on in control lines, especially in aircraft : de en
  • FR51118E - Means for the preliminary treatment of hydrocarbon residues or other heavy products, before their transformation into light ones, or other applications : en fr
  • US2251314A - Refrigeration : en
  • US2251658A - Refrigeration apparatus : en
  • CA398450A - Suction cleaner nozzle : en fr
  • CA398378A - Electrical connector : en fr
  • CA398489A - Journal box assembly : en fr
  • DE702638C - Device for continuous casting of metal pipes : de en
  • GB538513A - Improved method of dissolving hard and difficultly soluble resins : en
  • AU113545B2 - Improvements inthe manufacture of prewelted footwear : en
  • DE709206C - Musical instrument with electrical sound generation by tube generators : de en
  • FR51120E - Fastening systems for buttons : en fr
  • US2251359A - High pressure inner tube tester : en
  • CA398493A - Joint stud : en fr
  • FR51116E - Device for creating a stream of cooled gas and for making it penetrate and distribute it among liquid masses : en fr
  • GB538506A - Improved linear-dimension gauge or comparator : en
  • US2251284A - Lasting footwear : en
  • USD128662S - Design for a plate ok similar article : en
  • USD128705S - Design for a dress : en
  • US2251282A - Ribbon forming machine : en
  • US2251589A - Boiler : en
  • US2251274A - Pump control : en
  • US2251370A - Heater for motor vehicles : en
  • US2251384A - Mop : en
  • US2251558A - Dyestuffs of the dibenzanthrone series and process of making them : en
  • CA398485A - Oil extraction process : en fr
  • DE709096C - Superhet receiver with inductive antenna coupling and several reception areas that can be switched by short-circuiting or switching off additional coils : de en
  • US2251588A - Engine starting mechanism : en
  • USD128647S - Gladys by : en
  • USD128619S - Design foe a transparent box toe shoe : en
  • CA398430A - Vacuum apparatus : en fr
  • CA398496A - Weighing scale : en fr
  • US2251725A - Air flow cooler : en
  • AU113546B2 - Improved cooking range : en
  • AU113561B2 - Improvements in and relating to suction gas producers : en
  • CA398412A - Screw driver for screw sticks : en fr
  • US2251764A - Housing : en
  • USD128697S - Design for a dress : en
  • AU15041A - Road scraper : en
  • CA398387A - Computing scale attachment : en fr
  • CA398355A - Fastener slider : en fr
  • GB538549A - Improvements in valve stems for inner tubes of pneumatic tyres : en
  • US2251713A - Tire-pressure-equalizer and inflater : en
  • US2251322A - Telegraphone : en
  • US2251649A - Air conditioning dehumidifier : en
  • USD128676S - Design for a button or similar article : en
  • USD128656S - Design fob a shelf for laundry tubs : en
  • DE709175C - Cross-flow heat exchanger made from ribbed plates : de en
  • US2251642A - Manufacture of heat exchange tubing : en
  • USD128651S - Design for a picture frame : en
  • US2251498A - Air speed indicator : en
  • US2251785A - Method of molding adhesive materials : en
  • AU17040A - A method and means of locking bottles or jars orthe like in position when built up for display purposes : en
  • AU306540A - Identification plate for wool bales andthe like : en
  • US2251599A - Hoop trundling device : en
  • US2251826A - Making metal-sheathed cables : en
  • DE709013C - Mill drying plant : de en
  • DE709148C - Dishwasher with two nested containers for washing and rinsing liquid : de en
  • DE709156C - Fly glue : de en
  • AU113551B2 - Road scraper : en
  • US2251259A - Piston and cylinder construction : en
  • US2251836A - Pneumatic machine gun adapter for practicing : en
  • US2251706A - Apparatus for decorating the interior and improving the atmosphere of enclosures : en
  • USD128678S - Design for a glove : en
  • CA398385A - Overhead door : en fr
  • US2251736A - Counter cooler : en
  • US2251358A - Skid assembly : en
  • AU113553B2 - Improvements in or relating to process of treating ferro C titaniferous materials : en
  • DK58911C - Measuring device for Butter and similar plastic or viscose Masses. : da en
  • US2251438A - Feather treatment : en
  • US2251585A - Wall construction : en
  • US2251737A - Shelf : en
  • US2251894A - Garment hanger : en
  • USD128629S - Design for a finger : en
  • CA398451A - Suction cleaner brush : en fr
  • CA398486A - Concrete curing process and composition : en fr
  • CA398397A - Electric motor with centrifugal switch : en fr
  • DE709004C - Large transformer ready for operation on the railroad : de en
  • DE709065C - Feeding device for gas turbines : de en
  • DE709173C - Circuit arrangement for setting the amplitude and phase of an alternating voltage : de en
  • GB538509A - Armored machine packings : en
  • CA398383A - Electric arc furnace electrode control : en fr
  • CA398439A - Coal washing apparatus : en fr
  • CA398494A - Percentage indicating scale : en fr
  • AU325840A - Burners for hydrocarbon gases : en
  • US2251415A - Screen : en
  • US2251707A - Feedbox for lathes : en
  • US2251746A - Absorption refrigeration system : en
  • USD128712S - Design foe a dress : en
  • CA398461A - Gelatin : en fr
  • FR866397A - Removable devices adapting to the exhaust manifolds of automotive vehicle explosion engines and allowing the heating of all liquids and the cooking or reheating of all foods : en fr
  • GB538550A - Improvements in or relating to stands for bottles and the like : en
  • GB538556A - Toning photographic images : en
  • DE709093C - Current collector sliding shoe for lubricating the contact wire : de en
  • US2251671A - Folding machine : en
  • DE709091C - Extraction of titanium, vanadium, niobium or tantalum oxide hydrates : de en
  • US2251392A - Dispenser closure top : en
  • US2251815A - Shoe clamping press : en
  • USD128625S - Combined key chain and license holder : en
  • CA398491A - Abrading device : en fr
  • AU12741A - Improvements in method and apparatus for foaming liquids : en
  • CA398519A - Thread winding mechanism : en fr
  • US2251546A - Sound amplification method and device : en
  • US2251690A - Buffing wheel : en
  • US2251289A - Method of annealing steel : en
  • USD128648S - Design for a liquid dispenser : en
  • CA398504A - Highway guard : en fr
  • US2251297A - Synthetic resin and process for making the same : en
  • CA398416A - Partition structure : en fr
  • USD128681S - Design for a toothbrush : en
  • USD128724S - Design fob a dress : en
  • US2251595A - Hay derrick : en
  • US2251648A - Pressure operated electric switch : en
  • US2251365A - Photographic sensitive material : en
  • USD128621S - Design fob a piano case : en
  • CA398518A - Textile material processing : en fr
  • US2251730A - Safety hand vise : en
  • USD128654S - Design fob a brush frame : en
  • US2251798A - Driers and a process of preparing them : en
  • US2251541A - Coke oven door locking means : en
  • US2251760A - Wheel bearing seal : en
  • DE709236C - Airtight and watertight sealable packaging and shipping containers for thermoplastic synthetic resin compounds, especially for dental purposes : de en
  • CA398438A - Rubber to metal bonding process : en fr
  • GB538517A - Joint ring : en
  • US2251626A - Brush cleaning rake : en
  • US2251827A - Freezing tray : en
  • USD128759S - Design foe a dress : en
  • US2251770A - Lift for toilet seats : en
  • US2251789A - Air cleaner : en
  • CA398456A - Fender well tire cover : en fr
  • DE709183C - Driven spreader roller with elastic jacket : de en
  • DE709024C - Typewriter type lever : de en
  • DE709187C - Method for generating modulated ultrashort-wave oscillations using a magnetron : de en
  • CA398376A - Hydraulic epicyclic transmismission device : en fr
  • USD128626S - Design fos, a hamper os, similar article : en
  • US2251538A - Dual wheel vehicle : en
  • USD128728S - Design fob a dress : en
  • FR866358A - Crimping machine : en fr
  • GB538542A - Improvements in sealing apparatus particularly applicable to the manufacture of electric lamps : en
  • CA398520A - Traffic control system : en fr
  • DE709188C - Modulated decimeter wave transmitter : de en
  • DE709225C - Gas collection container : de en
  • DK58912C - Air cooling device by Cylinders in Row motors. : da en
  • US2251361A - Container and container manufcture : en
  • US2251533A - Process of knitting : en
  • FR866399A - Variable power telescope : en fr
  • GB538567A - An improved toy or apparatus for the playing of a game : en
  • USD128721S - Design foe a dress : en
  • US2251423A - Air pump and alarm unit : en
  • CA398402A - Trailer tank : en fr
  • FR51074E - Electric accumulator : en fr
  • CA398381A - Cooker and heater : en fr
  • CA398352A - Waterproof sandpaper : en fr
  • CA398362A - Animated toy : en fr
  • CA398373A - Tank liquid removing apparatus : en fr
  • US2251382A - Frequency modulated wave receiver : en
  • DE709224C - Receiving arrangement for telemetry systems working according to the pulse frequency method : de en
  • USD128611S - Design foe a culinary tongs : en
  • USD128722S - Design fok a deess : en
  • USD128667S - Design foe, a textile fabric : en
  • US2251413A - Boring bar : en
  • USD128655S - Design for an overhead piloted ver- tical slide tool for lathes or the like : en
  • CA398433A - Gas regulation and pressure control : en fr
  • FR866352A - Two-piece hinges coupled by superposition : en fr
  • GB538452A - Improvements relating to the mechanical finishing of textile materials : en
  • GB538486A - Improvements in or relating to variable-gain thermionic amplifiers : en
  • US2251411A - Water heater : en
  • US2251567A - Wheeled vehicle and steering caster therefor : en
  • US2251887A - Flexible fan unit : en
  • FR51071E - Manufacturing process for extract of coffee or other plants : en fr
  • FR866356A - Sealed electric accumulator for high altitudes : en fr
  • US2251683A - Regulating apparatus for dynamoelectric machines : en
  • FR51123E - Transformation of hydrocarbon oils in the presence of pulverized catalysts : en fr
  • DE709170C - Braun tube with asymmetrical glass body for television purposes : de en
  • GB538533A - Improvements in or relating to artificially-cooled high-pressure mercury-vapour discharge tubes : en
  • GB538578A - Improvements in or relating to electrical integrating apparatus : en
  • DE709119C - Radiator or heater made of light metal with flat, thin-walled tubes : de en
  • FR51061E - Process for heat treating, in particular splitting carbonaceous substances : en fr
  • FR51093E - Device for stopping aerosols and certain gases : en fr
  • GB538581A - Improvements in or relating to the manufacture of wetting agents : en
  • DE709021C - Azotierbehaelter for insertion in fixed calcium cyanamide ovens : de en
  • FR51087E - Process for the preparation of estrogenic substances : en fr
  • FR51100E - Fluid composition for hydraulic systems : en fr
  • DE709140C - Process to prevent overriding in arrangements for automatic control of the transmission rate : de en
  • US2251268A - Article of manufacture : en
  • US2251403A - Electrical distribution system : en
  • FR51125E - Improvements to heavy alloys : en fr
  • FR866365A - Improvements to pressurized fluid actuators : en fr
  • US2251492A - Paper machine press : en
  • USD128757S - Design for a beach ensemble suit : en
  • US2251565A - Receptacle : en
  • US2251731A - Tobacco handling device : en
  • AU282740A - Improvements in and relating to electrically-operated motor vehicles : en
  • DE709135C - Attachment of the runner of multi-cell rotary piston machines on a continuous shaft : de en
  • FR866364A - Improvements relating to tension raisers : en fr
  • US2251608A - Television projector : en
  • AU113566B2 - Improvements in radio relay systems : en
  • DE709222C - Filling plant : de en
  • CA398484A - Oil extraction process : en fr
  • AU288740A - Arrangements for suppressing parallel oscillation in push-pull amplifiers and oscillators : en
  • CA398360A - Illuminated compact : en fr
  • AU113672B2 - Process and apparatus forthe recovery of useful products from coconuts : en
  • US2251777A - Sensitized photographic emulsion : en
  • FR866387A - Method for preventing the adhesion of an organic liquid to a carbonaceous solid : en fr
  • US2251421A - Flow apparatus for oil wells : en
  • US2251689A - Railway traffic controlling apparatus : en
  • US2251825A - Foot measuring device : en
  • AU282540A - Improvements in cathode ray tubes for television transmission or like purposes : en
  • US2251616A - Script writer : en
  • US2251307A - Scraper : en
  • US2251643A - Fastening device : en
  • USD128710S - Design for a dress : en
  • US2251633A - Valve control : en
  • US2251657A - Sink hanger : en
  • US2251757A - Amusement device : en
  • USD128765S - Design for a dress : en
  • FR51058E - Pulse telegraphy system applicable to morse baudot codes and the like : en fr
  • CA398380A - Transportation means : en fr
  • US2251782A - Fishing reel : en
  • USD128742S - Design for a dress : en
  • GB538546A - Improvements in tyres and wheels for vehicles, and their production : en
  • DK58918C - Bicycle lock. : da en
  • GB538466A - An improvement in or relating to grinding or abrading machines : en
  • FR866396A - Process for preparing a latex or rubber low in albumin : en fr
  • GB538572A - Improvements in or relating to liquid spray nozzles : en
  • FR51054E - Devices for the production of induced electric currents applied to the economy of motive power and the like : en fr
  • AU283440A - An improved safety relief valve for steam boilers, air compressors andthe like : en
  • US2251474A - Method of recovering selective solvents : en
  • CA398404A - Electric discharge apparatus : en fr
  • CA398405A - Electric discharge apparatus : en fr
  • DE709002C - Arrangement for the automatic evaluation of signals consisting of drawing elements of different lengths : de en
  • DE709181C - Process for the pretreatment of metal bodies prior to the molten coating with other metals : de en
  • US2251694A - Dry cleaning solvent : en
  • DE709212C - Tension wrench with hydraulic clamping force display device : de en
  • AU62241A - Improvements in or relating to process of treating ferro C titaniferous materials : en
  • CA398389A - Friction clutch : en fr
  • US2251849A - Tool sharpener : en
  • US2251479A - Driving means for sheet feeders : en
  • US2251607A - Abrading machine : en
  • US2251783A - Fuel pump for engines : en
  • AU277840A - Improvements inthe manufacture of prewelted footwear : en
  • CA398459A - Water gas manufacture : en fr
  • FR51104E - Improvements to agricultural machinery : en fr
  • GB538526A - Improvements in and relating to hydraulic control systems : en
  • GB538558A - Improvements in or relating to holding devices for or containing anti-condensation preparations for application to the visors or eyepieces of gas masks or respirators : en
  • FR51082E - Seat : en fr
  • CA398394A - Excavator tooth : en fr
  • US2251629A - Parasitic oscillation elimination : en
  • US2251635A - Telephone signaling apparatus : en
  • USD128674S - Design for a refrigerating unix : en
  • US2251596A - Switch mechanism : en
  • DE709047C - Device for controlling electrical systems : de en
  • US2251598A - Automatic clutch mechanism : en
  • AU113569B2 - Burners for hydrocarbon gases : en
  • CA398417A - Moulded pulp article producing apparatus : en fr
  • DE709104C - Crucibles and molds, especially for shell engineering purposes, in whose walls aluminothermic mixtures are built : de en
  • US2251264A - Means of coating material : en
  • CA398386A - Locking mechanism : en fr
  • DE709197C - Electrodynamic system for active power, reactive power or apparent power meters and relays : de en
  • DE709084C - Apron stretching system : de en
  • CA398435A - Bromine production : en fr
  • CA398477A - Organic arsenic compound : en fr
  • DE709055C - Vulcanizing press for tire rim bands : de en
  • USD128641S - Combined water closet seat and toilet bowl : en
  • FR51088E - High-speed metal wing for passenger, fighter and transport aircraft : en fr
  • AU292040A - Improvements in and connected with control switches : en
  • AU113560B2 - A method and means of locking bottles or jars orthe like in position when built up for display purposes : en
  • US2251388A - Engine synchronizer : en
  • CA398522A - Electrolytic condenser : en fr
  • USD128664S - Design for a plate os : en
  • US2251439A - Combination display holder and napkin container : en
  • US2251740A - Article display device : en
  • US2251890A - Supercalendering process : en
  • USD128751S - Design for a suit : en
  • DE709101C - Highly heat-resistant ceramic protective tube for rod-shaped heating conductors : de en
  • DE709232C - Antenna arrangement for motor vehicles : de en
  • CA398467A - Resilient joint : en fr
  • US2251787A - Electrically operated brake control mechanism : en
  • CA398492A - Joint stud : en fr
  • CA398521A - Railway multiple control apparatus : en fr
  • DE709075C - Process for the color development of silver halide images : de en
  • USD128744S - Design fob a dress : en
  • CA398437A - Cellulose ether stabilization : en fr
  • FR866393A - Machine with pressure drive for riveting holes in parts : en fr
  • CA398454A - Tire tread : en fr
  • DE709056C - Electric gyroscope for aircraft, driven by a DC motor : de en
  • DE709011C - Fast running two-stroke gas engine with reverse slot scavenging : de en
  • DK58908C - Reading sails. : da en
  • FR51117E - Rubber-lined pavers : en fr
  • US2251258A - Axle-driven mechanism : en
  • GB538544A - Improvements in the treatment of rubber latex : en
  • DE709105C - Material testing machine for static tensile, compression and bending tests : de en
  • GB538464A - Improvements in or relating to friction clutches : en
  • GB538516A - Acetylene generator : en
  • USD128669S - Design foe. a combined mirror and support : en
  • GB538551A - Improvements in illuminating shells : en
  • FR51106E - Method and device for the automatic feeding of furnaces for the manufacture of glass fibers and yarns : en fr
  • GB538534A - Improvements in impulse couplings for magnetos : en
  • US2251262A - Nonmetallic sheathed conductor : en
  • FR51126E - Advanced sulfur oils : en fr
  • US2251334A - Protein composition of matter : en
  • US2251389A - Riveting tool : en
  • DE709229C - Brake magnet for rail brakes : de en
  • DE709141C - Device for measuring the maximum voltage of a surge generator : de en
  • DE709147C - vacuum cleaner : de en
  • DE709204C - Optical comparison instrument, in particular comparison microscope : de en
  • GB538543A - Improvements in or relating to electric hot plates : en
  • FR51070E - Improvements to means of protection against combat gases : en fr
  • DE709058C - Two-part, hydraulically relieved distribution rotary valve for fluid meters working according to the displacement principle, in particular piston flow meters : de en
  • DE709184C - Flexible change cover for newspapers, magazines, etc. like : de en
  • FR51119E - Method and device for the impregnation of cables and similar articles of great lengths : en fr
  • GB538522A - Oral therapeutic and prophylactic : en
  • GB538538A - A press or tool for fastening flat circular and like terminals : en
  • CA398453A - Photographic colour picture production : en fr
  • US2251456A - Automatic feed typewriter : en
  • CA398523A - Radio-frequency inductance unit : en fr
  • US2251523A - Power transmission mechanism : en
  • US2251550A - Art of producing wax modifying agents : en
  • US2251486A - Coloring vinylidene chloride polymers : en
  • GB538553A - Improvements in electric periodic wave repeaters and generators : en
  • US2251594A - Volume control for electrical signals : en
  • US2251853A - Toothbrush : en
  • US2251896A - Safety device : en
  • AU335140A - Improvements relating to electric signalling systems : en
  • US2251772A - Reel drive : en
  • US2251405A - Dispensing box : en
  • CA398382A - Electric arc furnace electrode control : en fr
  • DE709189C - Monitoring frames for aircraft : de en
  • US2251397A - Wave-signal receiver including duplex frequency-changer stages : en
  • FR866375A - Perfume manufacturing process : en fr
  • US2251654A - Smoking pipe : en
  • US2251660A - Air-distributing apparatus for ventilating systems : en
  • USD128608S - Carpet or similar article : en
  • GB538561A - An improved automatic coupling suitable for use in lifting sunken vessels : en
  • GB538569A - Improvements in methods and apparatus for the removal of scale from the surface of metal bodies : en
  • US2251758A - Collar : en
  • CA398500A - Power transmitting unit : en fr
  • US2251400A - Fastening strip material : en
  • US2251763A - Electrical timer : en
  • CA398443A - Thermionic valve amplifier circuit : en fr
  • CA398507A - Signal transmission system : en fr
  • USD128605S - Design for a cabinet for : en
  • CA398449A - Floor polisher : en fr
  • US2251321A - Storage pile and method of producing same : en
  • US2251501A - Syringe ampoule : en
  • US2251395A - Table top : en
  • US2251339A - Involute curve testing machine : en
  • US2251641A - Apparatus for testing materials : en
  • US2251287A - Substituted cinnamic acid esters and amides : en
  • US2251412A - Handbag : en
  • USD128719S - Design for a dress : en
  • DE709132C - Pistons for rotary piston machines of the multi-cell design : de en
  • FR51052E - Rescue bell : en fr
  • GB538525A - Improvements in or relating to optical apparatus : en
  • US2251717A - Coupling for tubes : en
  • USD128616S - Design for a basin holding stand : en
  • US2251611A - Cigar lighter : en
  • US2251508A - Treatment of polyamides : en
  • US2251551A - Nail polish protector : en
  • US2251859A - Apparatus for the extraction of juices : en
  • CA398384A - Pivoted window regulator : en fr
  • CA398455A - Hair curler : en fr
  • US2251265A - Method and means for testing X-ray tubes : en
  • AU113568B2 - Identification plate for wool bales andthe like : en
  • US2251298A - Synthetic resin and process for making the same : en
  • US2251719A - Road marking apparatus : en
  • US2251460A - Ice tray : en
  • US2251451A - Method and apparatus for electrical precipitation : en
  • FR51102E - Mercury vapor tube or lamp : en fr
  • US2251477A - Method of making hats : en
  • DE709122C - Method for receiving messages transmitted at a carrier frequency : de en
  • GB538563A - Improvements in and relating to gymnastic apparatus : en
  • DE703800C - Two-stroke internal combustion engine : de en
  • GB538478A - Process for the manufacture of derivatives of cyclopentano-phenanthrene : en
  • US2251755A - Coin handling apparatus : en
  • US2251872A - Zinc oxide pigment : en
  • AU283740A - Improvements in or relating to machines adapted to apply levelling pressure to bottom portions of shoes : en
  • US2251548A - Shears : en
  • US2251625A - Change speed system : en
  • USRE21870E - Cigab : en
  • GB538576A - Improvements in or relating to electric illumination control systems : en
  • CA398466A - Speed mechanism switch : en fr
  • US2251525A - Secret television system : en
  • US2251891A - Refrigeration control system : en
  • USD128633S - Combined shirt and collar protector : en
  • US2251309A - Multiuse winch tool for well drills : en
  • US2251667A - Self-propelling loader : en
  • USD128720S - Design for a dress : en
  • DE709007C - Metal vapor discharge apparatus, in particular mercury vapor converters : de en
  • DE709136C - Freezer : de en
  • US2251636A - Control system for gas-air plants : en
  • US2251773A - Solvent treatment of hydrocarbon oils : en
  • US2251383A - Steam generating system : en
  • USD128772S - Design fok a dress : en
  • US2251371A - Homogenizer : en
  • CA398447A - Suction cleaner coupling : en fr
  • USD128630S - Design for a finger ring : en
  • FR51128E - Compressor for hydraulic brakes and transmissions : en fr
  • DE709202C - Process for the preparation of monoazo dyes : de en
  • FR51141E - Improvements to pumps : en fr
  • GB538447A - Improvements in or relating to insulated electric conductors : en
  • CA398465A - Speed mechanism actuating means : en fr
  • US2251684A - Egg filtration process : en
  • US2251431A - Striping instrument : en
  • US2251453A - Suspension mechanism : en
  • DE709020C - Process for the electrolytic production of supersulfuric acid and persalts in cells combined like a filter press : de en
  • DK58904C - Procedure for Continuous Production of Oximes. : da en
  • GB538573A - Improvements in or relating to resonators used in ultra high frequency electron discharge apparatus : en
  • GB538500A - Improvements in or relating to roller track chains for vehicles : en
  • DK58919C - Apparatus for unwinding and rewinding knitting yarn. : da en
  • DE709080C - Spout stopper for bottles : de en
  • GB538577A - Improvement in commercial phonographs : en
  • FR866371A - Advanced Shooting Guide for Firearms : en fr
  • GB538494A - Improvements in or relating to percussive tools : en
  • DE709125C - Process for the production of pressed parts with threads : de en
  • DE709149C - Butt connection for wooden supports, stiffeners, struts, etc. like : de en
  • GB538507A - Automatically reversible free-wheel or one-way locking device : en
  • GB538512A - Improvements in or relating to molds for casting purposes : en
  • DE709145C - Device for making permanent hair waves : de en
  • DE709172C - Microphone with an attachment membrane and a protective cover with openings : de en
  • GB538535A - Improvements in machine for lasting boots and shoes : en
  • CA398422A - Absorbent cotton package : en fr
  • US2251280A - Steam generator : en
  • US2251670A - Wrapping device : en
  • GB538449A - Improvements in screw cutting dies : en
  • GB538469A - Improvements in and in the manufacture of projection screens : en
  • GB538585A - Improvements in or relating to travelling chains for tractors and the like : en
  • FR51059E - Self-adjusting propeller, especially air : en fr
  • GB538451A - Improvements in or relating to the separation of minerals from ores : en
  • US2251329A - Rubbing machine : en
  • US2251442A - Portable disk abrading machine : en
  • US2251300A - Telegraphone and like apparatus : en
  • US2251348A - Can opener : en
  • US2251768A - Wetting and detergent composition : en
  • USD128665S - Design for a plate ob similar : en
  • FR866367A - Method of loading and packing explosives in hollow bodies by means of compressed air : en fr
  • FR866357A - Process for the auto-thermal circulation of liquids and application of said process to the lubrication of engines : en fr
  • GB538457A - Improvements relating to electric switches : en
  • US2251272A - Tape controlling means for news projecting machines : en
  • DE709139C - Process for automatic low-distortion dynamic control in low-frequency transmission systems : de en
  • US2251375A - Operating and locking sunshade : en
  • FR51108E - Molding process for the manufacture of metal blocks in aluminum alloys : en fr
  • GB538470A - Indicator and score board for dart players : en
  • US2251356A - Constant coefficient mechanical element : en
  • US2251482A - Hinge : en
  • DE709037C - Process for the production of thermal expansion compensation in hydraulic telecommunication and control lines o. : de en
  • US2251312A - Trimming and/or cutting mechanism : en
  • US2251418A - Aircraft antenna : en
  • US2251715A - Tube coupling : en
  • US2251449A - Gravel washer and silt grader : en
  • US2251696A - Piston expander and method of installation : en
  • US2251622A - Composite siding and roofing : en
  • US2251661A - Method of making ice removing jackets : en
  • US2251323A - Fluid operated means : en
  • US2251493A - Control system : en
  • US2251732A - Sanitary toilet seat cover : en
  • US2251791A - Twine containing and cutting device : en
  • US2251898A - Unitary volt reducing drop cord : en
  • US2251612A - Tuning dial : en
  • USD128646S - Design for a game board : en
  • US2251569A - High efficiency resonant circuit : en
  • DE709203C - Stretcher frame with support arms for the bearers of the stretcher supporting rails : de en
  • US2251480A - Hair curling and drying apparatus : en
  • USD128769S - Design for a dress : en
  • AU287040A - Improvements in radio relay systems : en
  • US2251362A - Knee guard : en
  • USD128715S - Design fok a dress : en
  • US2251884A - Means for applying sealing strips, labels, or the like, to carton ends : en
  • CA398503A - Well-logging by radioactivity : en fr
  • GB538481A - Improvements relating to concrete construction : en
  • US2251800A - Garment clasp : en
  • US2251512A - Curtain tieback bracket : en
  • GB538473A - Improvements in ciphering machines : en
  • DE709014C - Method and device for thermal dehairing and degassing of water : de en
  • USD128627S - Design for a bottle ob similar article : en
  • USD128699S - Design for a dress : en
  • FR866372A - Device for the admission of clean air inside barrels or other pierced receptacles : en fr
  • DE694934C - Switch with multiple interruptions and spark extinguishing in the manner of extinguishing spark gaps : de en
  • DE709006C - Secondary emission amplifier : de en
  • GB538501A - An improved rotary engine : en
  • DE709216C - Process for making air depolarization elements : de en
  • USD128717S - Design foe a dress ensemble : en
  • US2251688A - Process for the sulphonation of alpha-aminoanthraquinone compounds : en
  • GB538565A - Improvements in high vacuum distillation : en
  • DE709044C - Grommet holder for electrical lines : de en
  • USD128610S - Design for a food mold or sevolar article : en
  • DE709005C - Sealing for capacitors with liquid or semi-liquid impregnation compound : de en
  • US2251808A - Friction closure container : en
  • USD128704S - Design for a dress : en
  • US2251734A - Diffusion and drip apparatus : en
  • US2251700A - Automatic lighting system : en
  • US2251752A - Sized regenerated cellulosic pellicle : en
  • DE709200C - Demagnetization device with a coil and an iron core to hold the workpiece : de en
  • DE709106C - Nut lock : de en
  • USD128770S - Design for a dress : en
  • GB538439A - Improvements in exothermic mixtures for use in the production of iron and iron alloys and a method of using such mixtures : en
  • US2251376A - Air conditioning system : en
  • GB538497A - Improvements relating to self-locking nuts : en
  • GB538519A - Improvements relating to the control of electric lifts : en
  • GR9600B - SUBSTITUTE OF COMMON SOAP. : el en
  • US2251794A - Preselection tuning system : en
  • USD128732S - Design for a dress : en
  • FR51137E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • US2251597A - Support for coin controlled machines : en
  • DE709026C - Arrangement of coupling rod ends on locomotives or the like. : de en
  • DE709069C - Driving tool for the production of curvatures of profile sheets : de en
  • US2251761A - Spacing mechanism for machine tools : en
  • USD128692S - Design for a cape : en
  • USD128727S - Design for a dress : en
  • FR866353A - New game device : en fr
  • DE709027C - Exhaust and ventilation device for motor vehicles, especially rail cars : de en
  • FR866378A - Improvements in rubber manufacturing and new products obtained : en fr
  • US2251458A - Package opener : en
  • US2251762A - Galley identification holding device : en
  • DE709129C - Process for the preparation of addition compounds "diene synthesis" : de en
  • US2251554A - Conversion of carbon monoxide with hydrogen into hydrocarbons : en
  • US2251568A - Gaseous relay tube : en
  • USD128711S - Design fok a dkess : en
  • FR51078E - Improvements in the construction of hangars and roofs of premises : en fr
  • DE709165C - Device for the administration of fuel and oil mixtures from the fuel hose of fuel pumps : de en
  • US2251469A - Bearing : en
  • US2251566A - Dyestuff of the anthraquinone series : en
  • AU277940A - Improved cooking range : en
  • FR51113E - Hydraulic control of wheel brake shoes in a vehicle : en fr
  • DE709099C - Attachment of a sliding part of the lamp on the vertical lamp tube : de en
  • US2251390A - Means for mounting bobbins on spindles to dampen the vibration thereof : en
  • USD128606S - Design fob a leash handle : en
  • USD128761S - Design for a dress ensemble : en
  • USD128666S - Design for a sadiron or siehlar article : en
  • US2251432A - Cutting die : en
  • USD128612S - Design for a game board : en
  • USD128624S - Design for a bottle : en
  • GB538504A - Improved feed mechanism for presses, punching and cutting machines : en
  • US2251325A - View reflecting device : en
  • AU288840A - Improvements in visual course indicators for radio directive systems : en
  • DE708954C - Seating and reclining furniture with backrests : de en
  • DE709038C - Sheathing for insulated electrical lines or cables : de en
  • US2251716A - Coupling for tubes : en
  • CA398526A - Piezoelectric apparatus : en fr
  • US2251379A - Vehicle brake mechanism : en
  • US2251678A - Vibratory conveyer and screen : en
  • US2251893A - Brake actuator : en
  • USD128698S - Design fok a dress : en
  • US2251897A - Thread protector : en
  • CA398372A - Scale lever system : en fr
  • CA398411A - Glass flatness measuring device : en fr
  • FR51107E - Magnetic core with low hysteresis losses : en fr
  • US2251349A - Friction clutch : en
  • USRE21871E - Shelf support : en
  • FR51115E - Magnetic cores for charging coils and other electromagnetic devices : en fr
  • FR51139E - Liquid storage tank : en fr
  • US2251638A - Shelf bracket : en
  • US2251426A - System for supplying feed water to boilers : en
  • CA398448A - Suction cleaner : en fr
  • US2251417A - Method of making torsion springs : en
  • GB538450A - Process for the manufacture of an azo dyestuff containing the arseno group : en
  • DE709134C - Air-powered straight or helical tooth motor : de en
  • DE709041C - Connection of electrical conductors to a sleeve that receives the conductor end or ends : de en
  • US2251505A - Electromagnetic motor : en
  • DE709182C - Tobacco feeder : de en
  • FR866374A - Headlamp for automobiles : en fr
  • USD128701S - Design fob a deess : en
  • USD128613S - Design for a dispenser cap : en
  • CA398421A - Shaving implement : en fr
  • US2251404A - Electrical distribution system : en
  • US2251702A - Mounting for abrading wheels : en
  • USD128631S - Vacuum cleaner : en
  • US2251560A - Locking device : en
  • US2251708A - Direction finder antenna system : en
  • CA398527A - Self-inductance device : en fr
  • US2251351A - Treadle process : en
  • US2251518A - Belt guide for cigarette machines : en
  • CA398445A - Fire extinguishing nozzle : en fr
  • US2251593A - Fish lure : en
  • USD128750S - Design fob a dress : en
  • CA398425A - Lactic acid-producing starter : en fr
  • DE709124C - Device for reducing ground resistance by means of electrical current : de en
  • US2251428A - Drill pipe protector : en
  • USD128659S - Design fob a wall cabinet : en
  • DE709036C - Omnidirectional radiator for ultra-short waves : de en
  • DE709043C - Junction box for electrical cables or lines, in particular made of molded insulating material : de en
  • CA398510A - Sound volume indicator : en fr
  • DE709164C - Bicycle drive with a flywheel as an auxiliary drive : de en
  • US2251882A - Cam grinding machine : en
  • US2251885A - Grinding machine footstock : en
  • USD128760S - Design fob a dress : en
  • CA398357A - Fuel injection apparatus : en fr
  • US2251345A - Safety seal for canned goods : en
  • US2251472A - Foot-operated guitar player : en
  • USD128645S - Design for a spoon or similar article : en
  • US2251398A - Motor mounting : en
  • USD128637S - Design for a locket beooch : en
  • GB538477A - Improvements in chromium metallurgy : en
  • CA398513A - Rubber filling and economizing agent : en fr
  • FR866389A - Double needle needle ribbed hosiery loom with patterning device for the production of punched patterns : en fr
  • DE709174C - Multipole overhead line disconnector : de en
  • AU113562B2 - Energy transfer circuits : en
  • USD128684S - Design for a radio transmitter : en
  • US2251367A - Clutch : en
  • US2251766A - Diving board : en
  • USD128661S - Flexible pocket receptacle : en
  • FR51149E - Improvements to artificial materials : en fr
  • GB538554A - Improvement in devices for applying power to brake members : en
  • US2251697A - Heating pad and a process for making same : en
  • US2251709A - Method of connecting wires to sleeves : en
  • US2251863A - Machine tool drive : en
  • USD128752S - Design fob a dress : en
  • DE709168C - Mixing device for the simultaneous supply of different substances to ovens, for example lime kilns : de en
  • DE709195C - Dual pole disconnecting installation circuit breaker : de en
  • US2251419A - Vibratory motor : en
  • US2251444A - Assembly for driving clutches and the like : en
  • US2251331A - Retainer for bed coverings and the like : en
  • DE667375C - Optical system : de en
  • FR51140E - Higher hydrocarbon copolymers : en fr
  • AU120780B2 - Improvement in pulse-echo distance indicator : en
  • US2251324A - Combined assembling press and welding machine : en
  • CA398436A - Halogen extraction : en fr
  • US2251879A - Spinning apparatus : en
  • US2251784A - Rotary compressor : en
  • US2251749A - Dental appliance : en
  • US2251399A - Storage battery expander : en
  • US2251792A - Besetting mechanism fob begistebs : en
  • USD128604S - Design for a bottle or similar article : en
  • USD128695S - Design foe a coat : en
  • USD128745S - Design for a suit : en
  • US2251623A - Speedometer : en
  • DE709144C - Installation on an axial blower : de en
  • US2251468A - Rubber shoe sole : en
  • US2251868A - Pumping apparatus : en
  • US2251902A - Code practice set : en
  • US2251267A - Variable leverage brake : en
  • US2251619A - Machine tool transmission and control mechanism : en
  • US2251332A - Cathode ray device : en
  • AU113565B2 - Improvements in and relating to electrically-operated motor vehicles : en
  • USD128603S - Design for a display sign : en
  • DE709231C - Equipment on electrically operated vehicles to achieve stable operation at very low speeds : de en
  • AU113567B2 - Improvements in and connected with control switches : en
  • US2251675A - Grease dispensing apparatus : en
  • USD128660S - Design for a toilet mirror : en
  • US2251271A - Gunrack : en
  • USD128739S - Design foe a suit : en
  • US2251888A - Fan blade unit : en
  • US2251583A - Manure loader : en
  • US2251753A - Portable tool case : en
  • USD128716S - Design for a dress : en
  • US2251445A - Assembly for driving clutches, brakes, and the like, and method of making the same : en
  • USD128740S - Design foe, a table cover ok similar article : en
  • GB538480A - Improvements in or relating to commutators for dynamo electric machines : en
  • FR51148E - Improvements to equipment comprising discharge tubes : en fr
  • FR866394A - Operating a machine by means of graphic characters : en fr
  • GB538536A - Improvements in closures for orifices of containers : en
  • FR866368A - Improvements to waterproof paper garments for protection against aggressive agents : en fr
  • GB538529A - Improvements in filter and purification media : en
  • DE709208C - Camera with coupled exposure meter : de en
  • US2251391A - Quick opening envelope : en
  • GB538552A - Telephone systems : en
  • US2251352A - Gauge for determining rate of rainfall : en
  • GB538503A - Improvements in and relating to nut members : en
  • USD128686S - Automobile emblem plate or similar article : en
  • USD128636S - Design for a smoking pipe : en
  • DE709110C - Sheet metal roll film reel : de en
  • DE709128C - Coal tar-coated rock for road construction : de en
  • DK58916C - Combination lock for bicycles. : da en
  • US2251801A - Fresh meat product and preparation : en
  • US2251828A - Scanning comparator : en
  • US2251848A - Hydraulic variable speed transmission : en
  • GB538584A - Improvements in and relating to tube cleaning apparatus for boilers and the like : en
  • US2251613A - Surface smoothness tester : en
  • AU113571B2 - Improvements in or relating to machines adapted to apply levelling pressure to bottom portions of shoes : en
  • GB538493A - Improvements in or relating to electric motors and/or generators : en
  • CA398499A - Windshield wiper : en fr
  • GB538574A - Improvements in and relating to gyroscopic apparatus : en
  • GB538453A - Improvements in or relating to regulating systems for web drying machines : en
  • US2251806A - Resinous reaction product and process therefor : en
  • US2251531A - Hosiery : en
  • USD128639S - Miniature artificial christmas tree : en
  • US2251767A - Washing strip brush : en
  • FR51135E - High molecular weight halogenated organic compounds and processes for their preparation : en fr
  • US2251727A - Apparatus for the manufacture of foliated glass : en
  • US2251864A - Nailless curtain fixture : en
  • US2251871A - Zinc oxide pigment : en
  • GB538459A - Improvements in electric contacts : en
  • FR51069E - Cathode ray tube : en fr
  • FR866382A - Quick-release ball joint : en fr
  • DE709118C - Device for changing the tension of the type lever return springs on typewriters : de en
  • DE709163C - Storage of machine gun ammunition drums in aircraft command posts : de en
  • DE709048C - Device for measuring the coercive force of ferromagnetic bodies : de en
  • DE709179C - Method for exciting spectra : de en
  • FR51111E - High pressure mercury vapor discharge tube, artificially cooled : en fr
  • GB538476A - Improvements in electrical systems of control for lifts : en
  • DE709025C - Device for preventing the ingress of air into ovens filled with protective gas : de en
  • FR51055E - Electro-magnetic obstacle detection method by zero method, device realizing it and its applications : en fr
  • USD128600S - Advertising sign or similar article : en
  • AU113552B2 - Improvements in collapsible and folding camp beds and stretchers : en
  • CA398419A - Plastic sheet stock : en fr
  • CA398400A - Engine charge forming device : en fr
  • US2251488A - Variable speed drive : en
  • USD128747S - Design for a dress ensemble : en
  • USD128682S - Design for a brooch or similar article : en
  • US2251687A - Brick manufacture : en
  • US2251795A - Gas generating method : en
  • US2251429A - Time switch : en
  • US2251876A - Apparatus for storing stacked articles : en
  • US2251327A - Brush : en
  • US2251618A - Slow opening valve : en
  • US2251712A - Means for shooting oil wells : en
  • FR51092E - Firearm for shooting against planes : en fr
  • FR51099E - Container for dispensing milk : en fr
  • US2251714A - Roller bearing, particularly for aircraft shock absorbers : en
  • DE709230C - Hydraulic control device for switching mechanisms of electrically operated vehicles : de en
  • US2251843A - Spring shackle : en
  • GB538502A - Improvements in electro-magnetically operated contactors : en
  • US2251553A - Blower : en
  • US2251357A - Flush valve : en
  • US2251673A - Induction motor : en
  • CA398407A - Electric discharge apparatus : en fr
  • DE709066C - Control device for free-flight piston propellant gas generator : de en
  • US2251581A - Combined stalk cutter and rake : en
  • US2251901A - Method and apparatus for rolling curved sheets : en
  • US2251491A - Automatic stud driver : en
  • GB538465A - Improvements in grinding or abrading machines : en
  • GB538562A - Improvements in or relating to refrigerator cabinets : en
  • DE709028C - Snow clearing vehicle : de en
  • AU113554B2 - Improvements in or relating to radio navigational systems : en
  • GB538568A - Method of manufacturing dried starch conversion products : en
  • US2251414A - Valve : en
  • US2251422A - Dry pipe valve : en
  • CA398366A - Casting blow hole eliminator : en fr
  • US2251615A - Automobile brake indicator : en
  • US2251741A - Mechanism for producing curved metal articles : en
  • US2251870A - Pigment : en
  • US2251561A - Circuit closer for elashlights : en
  • US2251293A - Hydraulic car lift : en
  • US2251315A - Switch : en
  • USD128687S - Design for a coat : en
  • GB538510A - Improvements in the manufacture of coffee substitutes : en
  • US2251756A - Motion checking means : en
  • FR51098E - Process for the manufacture of electrically conductive elements : en fr
  • US2251807A - Pump : en
  • US2251308A - Jack : en
  • US2251296A - Paper product : en
  • US2251393A - Composition of matter and process for preventing water-in-oil emulsions resulting from acidization of calcareous oil-bearing strata : en
  • CA398354A - Tire tube : en fr
  • CA398420A - Heated die platen and die : en fr
  • USD128602S - Design for a lace trimming or similar article : en
  • US2251640A - Level attachment for pencils : en
  • CA398471A - Fur trimmed overshoe : en fr
  • DE709034C - Ultra-short wave amplifier device with oscillation circuits consisting of parallel coaxial conductors : de en
  • DE709114C - Device for storing items of clothing and equipment required for the air raid service or the like : de en
  • DE709077C - Smallest glide ratio helicopter : de en
  • USD128736S - Design for a dress : en
  • US2251669A - Badminton practice apparatus : en
  • USD128718S - Design for a dress : en
  • CA398377A - Remedy for rheumatism : en fr
  • CA398516A - Towel holder : en fr
  • CA398358A - Easy chair and settee : en fr
  • DE709153C - Ash container with two flaps forming a dropping funnel and a deletion device : de en
  • DE709215C - Titanium and aluminum-containing steel alloys for devices for the pressure hydrogenation of coals, tars, mineral oils or for the splitting of hydrocarbon oils : de en
  • DE709015C - Method and machine for producing perforations in paper sheets : de en
  • US2251721A - Fish net float : en
  • US2251663A - Ventilating construction : en
  • US2251564A - Laundry device : en
  • US2251733A - Clamping washer : en
  • US2251754A - Vehicle wheel : en
  • US2251543A - Wabbler engine : en
  • US2251547A - Art of preparing derivatives of anacardic acid : en
  • US2251562A - Suction cleaner : en
  • USD128623S - Design for a roofing and linoleum kndye : en
  • US2251461A - Ice tray : en
  • GB538484A - A flexible gas bag or container and crate or housing into which same is caused to collapse on deflation : en
  • GB538454A - Improvements in or relating to travelling hoppers : en
  • GB538555A - Coloring photographic images : en
  • FR51053E - Improvements in radio direction finding : en fr
  • CA398478A - Organic arsenic compound : en fr
  • GB538487A - Method for recovering hydroxy-3-aetiocholenic acid and its esters : en
  • US2251680A - Phonograph : en
  • US2251788A - Offset disk harrow : en
  • USD128725S - Design foe a dress : en
  • US2251829A - Ceramic pigment : en
  • US2251830A - Snap make-slow break switch : en
  • USD128723S - Design for a dress : en
  • USD128735S - Design fob a dress : en
  • DE709178C - Use of aluminum-magnesium alloys as a material for objects that should be corrosion-resistant : de en
  • DK58903C - Process for the Preparation of Substituted Amides of 3,5-Dimethyl-Isoxazole-Carboxylic Acid- (4). : da en
  • US2251381A - Automatic phonograph : en
  • US2251470A - Rotary toolholder : en
  • CA398359A - Medicinal compound for urinary organs : en fr
  • GB538491A - Improvements in or relating to safety devices or mechanisms for machinery : en
  • GB538434A - Improvements relating to electrical protective systems : en
  • FR866355A - Shield for machine guns and similar weapons : en fr
  • DE709211C - Display device for torque wrench : de en
  • US2251797A - Invalid bed : en
  • USD128643S - Design for a beverage faucet : en
  • US2251609A - Packaging means for small resistor units : en
  • DK58920C - Apparatus for introducing and distributing fine-grained material in an air stream serving for its transport. : da en
  • DE701173C - Longitudinal beam for exercise bomb or the like. : de en
  • US2251549A - Mixing circuit for electrical prospecting : en
  • US2251880A - Muffler and silencer construction : en
  • US2251590A - Obstruction remover for drain pipes : en
  • US2251776A - Method and means for winding coils : en
  • US2251780A - Notebook : en
  • DE709064C - Device on injection pump regulators for light oil injection internal combustion engines with supercharger : de en
  • GB538531A - A new or improved toy gun : en
  • US2251650A - Rubber thread or tubing and process of making same : en
  • US2251735A - Theft prevention apparatus : en
  • US2251601A - Spout : en
  • US2251632A - Recording device : en
  • USD128703S - Design for a dress : en
  • US2251559A - Intermediates of the dibenzanthrone series and process of making them : en
  • US2251854A - Internal shoe drum brake : en
  • CA398517A - Expansion shield making apparatus : en fr
  • US2251318A - Cushioning facility for seats and the like : en
  • US2251330A - Variable density sunglass : en
  • CA398487A - Electrical well-logging system : en fr
  • DK58901C - Apparatus for Folding End Shutters for Boxes. : da en
  • FR51073E - Improvements to processes for the treatment of vegetable and animal oils and fats : en fr
  • AU113563B2 - Improvements in cathode ray tubes for television transmission or like purposes : en
  • CA398458A - Automobile bumper : en fr
  • DE709089C - Device for separating solids and water from a mixture containing specific fluids of different gravity, in particular from slightly fluid fuels : de en
  • USD128622S - Design for a container cap : en
  • US2251850A - Method of and apparatus for producing stereoscopic pictures : en
  • FR866392A - Radio transmitter : en fr
  • GB538485A - Improvements in or relating to metal-to-glass seals : en
  • US2251637A - High grass lawn mower : en
  • US2251510A - Method of coating metallic articles : en
  • US2251652A - Safety razor : en
  • AU390540A - Process and apparatus forthe recovery of useful products from coconuts : en
  • US2251337A - Reed for looms : en
  • US2251363A - Venetian blind : en
  • US2251443A - Assembly for clutches, brakes, universal joints, and the like : en
  • AU161640A - Improvements in or relating to radio navigational systems : en
  • US2251380A - Furnace unit : en
  • US2251878A - Loose-leaf binder : en
  • AU246340A - Improvements in and relating to suction gas producers : en
  • CA398356A - Water paint : en fr
  • US2251463A - Safety lock end connection : en
  • US2251544A - Furniture : en
  • US2251722A - Emergency support for flexible couplings : en
  • US2251462A - Valve stem and handle : en
  • US2251484A - Electric valve control system : en
  • US2251577A - Electric razor : en
  • US2251786A - Television recording apparatus : en
  • US2251666A - Impulse sender : en
  • USD128696S - Design for a dress : en
  • CA398403A - Electric discharge apparatus : en fr
  • US2251311A - Textile machinery : en
  • US2251603A - Dictating machine : en
  • CA398470A - Window guide : en fr
  • GB538475A - Improvements in the manufacture of rubber and like hose : en
  • CA398529A - Apparatus for treating solid goods with a volatile solvent : en fr
  • US2251396A - Lasting tool : en
  • CA398396A - Respirator : en fr
  • US2251448A - Starch making process : en
  • US2251454A - Preparing and molding material : en
  • US2251646A - Sandblast stencil : en
  • US2251374A - Dispensing device : en
  • US2251775A - Concrete form : en
  • FR51133E - Improvements to barbed wire, and process for their manufacture : en fr
  • USD128766S - Design fob, a dress : en
  • US2251517A - Apparatus for soldering containers : en
  • US2251691A - Dry cleaning solvent : en
  • US2251604A - Internal combustion engine : en
  • US2251655A - Combine harvester construction : en
  • FR51091E - Advanced carburettor : en fr
  • US2251747A - Pusher-type solenoid : en
  • US2251866A - Measuring device for garments : en
  • FR866390A - Method of preparing a serum for diagnosing cancer : en fr
  • DE709076C - Cooled stuffing box, especially for hot liquid centrifugal pumps : de en
  • FR866360A - Improvements in the manufacture of maritime packaging boxes or other : en fr
  • DE708986C - Bag filter with counter air purging : de en
  • CA398361A - Milk filtering and cooling device : en fr
  • CA398391A - Milk cooler and aerator : en fr
  • CA398446A - Suction cleaner outlet : en fr
  • US2251579A - Scroll and case : en
  • USD128679S - Design fok an envelope os, similar article : en
  • DE709087C - Form rolling mill for work pieces to be assembled from two halves made of dough-shaped masses of the bakery and confectionery industry, e.g. marzipan : de en
  • CA398353A - Illuminated display sign : en fr
  • CA398452A - Suction cleaner air flow device : en fr
  • US2251578A - Roof truss : en
  • DE685511C - Method and device for hardening glass plates : de en
  • US2251410A - Composite metal structure and method of making same : en
  • USD128614S - Design foe a scabbard : en
  • USD128708S - Design foe a dress : en
  • AU288640A - Improvements in radio communication systems : en
  • US2251343A - Binding arrangement : en
  • US2251279A - Power transmission : en
  • US2251424A - Tire chain : en
  • US2251833A - Staple driving machine : en
  • FR866379A - Improvements to radio transmission devices, especially very short waves : en fr
  • US2251751A - Combustion guide for aircraft engines : en
  • USD128685S - Design for a dental bkush : en
  • CA398524A - Rubber coated fabric : en fr
  • DK58914C - Apparatus for pasteurizers for heating milk and other liquids by means of steam. : da en
  • CA398388A - Postal franking machine : en fr
  • US2251591A - Carrier : en
  • US2251277A - Control apparatus for electrostatic drying : en
  • USD128756S - Design for a dress : en
  • DE709052C - Drive device for a gas generator ash bowl or the like. : de en
  • GB538488A - Improvements in dash-operated latch and safety catch mechanism for lid type motor vehicle hoods : en
  • GB538527A - Improvements in apparatus for recording and reproducing sound : en
  • DE709057C - Fault recorder : de en
  • GB538437A - Improved process for the treatment of rice and other cereals : en
  • GB538518A - Means for gripping and centering a bobbin or the like on the spindle of a spinning, twisting or like machine : en
  • US2251726A - Method of manufacture of foliated glass : en
  • US2251584A - Passenger vehicle : en
  • US2251701A - Drill support : en
  • US2251485A - Shortening stabilization : en
  • US2251534A - High frequency terminal : en
  • USD128663S - Design for a plate or similar article : en
  • CA398406A - Electric regulator : en fr
  • CA398472A - Gear cutting machine : en fr
  • US2251338A - Carrier scraper : en
  • CA398428A - Amylaceous paste manufacturing apparatus : en fr
  • FR51063E - Collective oxygen dispenser with device allowing closed circuit breathing : en fr
  • FR51105E - Rangefinder : en fr
  • AU113557B2 - Arrangements for suppressing parallel oscillation in push-pull amplifiers and oscillators : en
  • GB538436A - Improvements in or relating to electrical apparatus for measuring relative acceleration : en
  • CA398390A - Squeeze tube closure : en fr
  • CA398398A - Metal shaping machine : en fr
  • US2251739A - Method and apparatus for inspecting tubing : en
  • US2251495A - Pole line hardware device : en
  • USD128731S - Design for a dress : en
  • USD128773S - Design for a deess : en
  • US2251494A - Voltage change-over relay : en
  • US2251605A - Collapsible structure : en
  • US2251341A - Moldboard for plows and method of making same : en
  • US2251290A - Bottom hole hydropneumatic power unit : en
  • US2251502A - Temporary silo and method of construction : en
  • US2251634A - Method of and apparatus for perforating : en
  • CA398444A - Engine fuel mixture production : en fr
  • US2251504A - Traffic signal : en
  • US2251668A - Brake mechanism : en
  • US2251841A - Swivel chair structure : en
  • USD128734S - Design fob a dress : en
  • USD128754S - Design for a dkess : en
  • US2251452A - Tilting road scraper : en
  • US2251278A - Gaseous electric relay tube : en
  • GB538547A - Improvements in or relating to propeller fan wheels : en
  • US2251441A - Valve : en
  • US2251575A - Apparatus for railway train communication systems : en
  • GB538474A - Compounded mineral oil : en
  • DK58913C - Heat exchange device for Dairy Farm. : da en
  • US2251586A - Vibratory feeder and screen : en
  • US2251467A - Carpet sweeper : en
  • US2251490A - Refrigerating apparatus : en
  • US2251832A - Conveyer : en
  • US2251834A - Shaper broach : en
  • AU113555B2 - An improved safety relief valve for steam boilers, air compressors andthe like : en
  • US2251292A - Production of tetrahydrofuranes : en
  • USD128658S - Design fob an illtjminable vanity case : en
  • DE709109C - Single or multi-chamber bag filter : de en
  • US2251877A - Electric resistance welding installation : en
  • US2251437A - Abrasive article and method of manufacturing the same : en
  • US2251728A - Card for punched-card accounting machines : en
  • US2251809A - Resilient wheel : en
  • USD128707S - Design for a dress : en
  • CA398514A - Plastic composition : en fr
  • US2251333A - Stick feeding machine : en
  • USD128741S - Design fob a table coves, ob similar aexicle : en
  • DE709176C - Process for the production of long-life aqueous solutions containing k-strophanthin, theophylline and grape sugar : de en
  • CA398440A - Anchor nut : en fr
  • US2251455A - Shaving or hair clipping apparatus : en
  • US2251799A - Refrigerator shelf : en
  • AU113564B2 - Improvements in audio frequency amplifiers : en
  • US2251368A - Stop mechanism for sewing machines : en
  • US2251620A - Electric razor : en
  • US2251856A - Power device : en
  • GB538442A - Improvements in and relating to water-closets : en
  • US2251811A - Fabric and method of knitting : en
  • AU237441A - High frequency sound dispersion means : en
  • CA398418A - Moulded pulp article manufacture : en fr
  • US2251416A - Spring and method of making same : en
  • US2251506A - Dirt lifting tractor auger : en
  • US2251875A - Storage and dispensing apparatus : en
  • GB538444A - Improvements in or relating to continuously acting centrifugal filters : en
  • GB538514A - Improvements in and relating to the construction of concrete floors and roofs : en
  • DE709008C - Process for washing and cooling gases : de en
  • DE709191C - DF system : de en
  • FR51129E - Further training in food processing equipment : en fr
  • IE17378L - Improvements in automatic drinking troughs for animals : en
  • CA398374A - Cooking stove : en fr
  • US2251430A - Inflation system and apparatus for operating the same : en
  • US2251821A - Machine for smoothing fasteners : en
  • FR866351A - Improvements to the construction of dwellings or the like and to the elements forming part of them : en fr
  • FR866380A - Improvements to radio transmission devices, especially very short waves : en fr
  • DE709079C - Device on motor vehicles for the purpose of automatically switching off the electric current in the event of an accident : de en
  • DE709161C - Device for chrome-plating tubular hollow bodies : de en
  • DE709046C - Process for the production of flush-mounted boxes : de en
  • DE709207C - Machine to prepare for the assembly of chocolate hollow blocks : de en
  • FR866400A - Improvements in processes for the preservation of bakery or pastry products : en fr
  • GB538498A - Manufacture of water-soluble complex gold-peptone-saccharide compounds : en
  • GB538545A - Improvements in or relating to the hydraulic operation of flaps or the like on aircraft : en
  • DE709050C - Device for the ignition of mercury vapor rectifier flasks : de en
  • GB538440A - Improvements in and relating to electrical capacity boxes : en
  • DE709108C - Grater Mill : de en
  • FR51130E - Telephone system with several central stations and two-conductor junction lines blocked : en fr
  • FR866362A - Improvements to t-links. s. f. : en fr
  • GB538458A - Improvements in frame antennae : en
  • FR51080E - Method and apparatus for riveting by tubular rivets : en fr
  • FR51084E - Electrical signaling systems : en fr
  • GB538586A - Improvements in means for filling bottles or other containers with liquids or powders : en
  • DE709193C - Directional antenna system for aircraft landing purposes : de en
  • FR866370A - Folding oleo-pneumatic landing gear : en fr
  • GB538530A - Improvements in or relating to the concentration of tin bearing minerals : en
  • GB538467A - An apparatus for filtering and scrubbing gases : en
  • GB538521A - Improvements in radio remote control systems : en
  • GB538528A - Improvements in or relating to brooches, or like ornaments for wear : en
  • US2251774A - Lubricant additive : en
  • GB538463A - Process for the preparation of diamidine derivatives : en
  • DE709083C - Ejector for especially automatic firearms : de en
  • DE709127C - Device for directional transmission using earth induction compasses as transmitters and multi-phase synchronous motors, which draw their direct current from the mains, as receivers : de en
  • FR51146E - Improvements to gear changes for cycles : en fr
  • GB538575A - Improvements in or relating to electric circuit control systems particularly for illumination : en
  • US2251796A - Gas generating apparatus : en
  • US2251291A - Strand handling apparatus : en
  • US2251606A - Lifting truck : en
  • DE709233C - Electrical wiring lead : de en
  • FR51097E - Improvements to discharge tubes : en fr
  • US2251497A - Bottle cleaning brush apparatus : en
  • CA398480A - Ultra short wave system : en fr
  • US2251364A - Signaling device : en
  • US2251530A - Support for high frequency concentric conductors : en
  • DE709219C - Method and device for applying covering strips to panes under tension : de en
  • FR51064E - Hydraulic pitch control device for variable-pitch propellers : en fr
  • USD128691S - Design for a combined guard panel : en
  • DE709071C - Pan mill for preparing chocolate masses : de en
  • US2251319A - Choker hook : en
  • US2251473A - Camera : en
  • GB538462A - Improvements relating to valves for pneumatic tyre tubes : en
  • US2251602A - Regulatable propeller having adjustable blades : en
  • CA398429A - High vacuum production : en fr
  • US2251509A - Color clock : en
  • FR866361A - Improvements to rubber blocks or the like used as torsion springs : en fr
  • DE709112C - Control device for the accelerator and brake pedal of motor vehicles : de en
  • FR51121E - Crusher for cleaning and classifying granular materials : en fr
  • US2251310A - Two-part wheel for vehicles : en
  • US2251610A - Manufacture of embedding masses : en
  • AU246640A - Improved method of treating refractory ores : en
  • DE709192C - Device for determining the plane of incidence of an alternating field : de en
  • GB538443A - Improvements in and relating to waistbands of wearing apparel : en
  • GB538489A - Improvements in or relating to knitting machines : en
  • US2251779A - Electrode holder : en
  • US2251320A - Fluid control means : en
  • US2251336A - Die and die holder : en
  • US2251527A - Syringe and ampoule : en
  • FR51147E - Cotton support placed inside the suction cup glasses : en fr
  • DE709092C - Device for attaching or removing plates, in particular embossed printing plates, on or from the holders : de en
  • FR866369A - Magneto-thermal magnetic rocker relay : en fr
  • GB538583A - Improvements in or relating to caps for heat insulated flasks or like containers : en
  • DE709098C - Telegraph overlay receiver : de en
  • FR51110E - Electrical installation for motor vehicles : en fr
  • DE709137C - Contact device for rail current closers : de en
  • DE709090C - Disc filter for filtering viscous or highly viscous liquids : de en
  • DE709018C - Device for the continuous implementation of adsorption processes : de en
  • GB538559A - Improvements in method of inlaying and inlaid articles : en
  • DE700324C - Cooling vessel for electrical transformers with radiators raised over the lid : de en
  • GR9601B - METHOD OF INDUSTRIALIZATION AND PACKAGING OF AGRICULTURAL PRODUCTS IN GENERAL. : el en
  • FR866398A - Apparatus for molding plastics : en fr
  • FR866359A - Corrosion resistant ferrous metal sheet : en fr
  • FR51095E - Clamping device for multi-leg support legs : en fr
  • US2251720A - Brass bearing for journals : en
  • GB538589A - Improvements in or relating to welding apparatus : en
  • US2251861A - Illuminable display structure : en
  • US2251344A - Machine for generating heat by friction : en
  • US2251450A - Stoker : en
  • USD128601S - Design for a baby santa claus doll : en
  • GB538532A - Improvements in or relating to sheet feeders for printing and like machines : en
  • DE709088C - Wetting agents, foaming agents and dispersants : de en
  • DE709082C - Device for locking the frameless sash of double-sash windows : de en
  • US2251676A - Thread wiper for sewing machines : en
  • US2251813A - Azo dye : en
  • DE709030C - Transmission system for controlling alternating current : de en
  • DE709049C - Electric mixed light lamp, the envelope of which contains a discharge tube and a glow body serving as a series resistor : de en
  • CA398369A - Fatty acid condensation product : en fr
  • CA398432A - Metallic member joining method : en fr
  • US2251283A - Reclosable box : en
  • US2251406A - Cutter chain : en
  • US2251692A - Preparation of monoglycerides : en
  • US2251858A - Mold for plastic material : en
  • US2251302A - Power supply arrangement suitable for use in telephone systems : en
  • US2251496A - Method of preparing cheese : en
  • US2251744A - Spring clip : en
  • USD128753S - Design fob a dress ensemble : en
  • AU278240A - Improvements in or relating to stains : en
  • CA398399A - Resin-impregnated sheet material : en fr
  • USD128650S - Design fok a jak : en
  • USD128677S - Design for a sign panel : en
  • US2251305A - Target baseball : en
  • US2251340A - Extensible delivery device : en
  • US2251645A - Step-by-step mechanism : en
  • US2251446A - Closure for bottle stoppers and pourers : en
  • USD128638S - Design for a flashlight : en
  • US2251294A - Suction cleaner : en
  • US2251407A - Vehicle parking device : en
  • US2251748A - Composition for treating aqueous fluids : en
  • USD128649S - Cabinet for disk dictating machine : en
  • USD128714S - Design for a suit : en
  • CA398410A - Atmosphere pollution studying apparatus : en fr
  • US2251874A - Storage and dispensing apparatus : en
  • US2251892A - Capillary active compounds and process of preparing them : en
  • AU116565B2 - High frequency sound dispersion means : en
  • CA398415A - Board joint reinforcement : en fr
  • US2251326A - Method of making commutators : en
  • US2251499A - Building structure : en
  • FR866363A - Method of transporting or projecting electrical energy and equipment allowing its implementation, in particular for military purposes : en fr
  • US2251778A - Mono-(organo mercury) acetylides : en
  • CA398505A - Electro-optical system : en fr
  • DK58910C - Pallet coupling for Straw Press Binder. : da en
  • FR51134E - Higher hydrocarbon copolymers : en fr
  • US2251354A - Marking machine : en
  • US2251781A - Advertising playing card : en
  • DE709042C - Cable distributor : de en
  • USD128737S - Design for a dress : en
  • DE709061C - Electric adding machine : de en
  • FR51065E - Glass yarn made from sleeves of intertwined filaments which are subjected to drawing in tubular form so as to make a yarn : en fr
  • CA398379A - Internal combustion engine : en fr
  • DE709228C - Two or more drum stencil printer : de en
  • CA398393A - Valve seat : en fr
  • US2251695A - Preparation of fatty acid esters of aliphatic hydroxy compounds : en
  • US2251862A - Friction clutch : en
  • US2251542A - Raisin stemmer : en
  • US2251817A - Method of borehole logging : en
  • US2251537A - Electrical transient prospecting : en
  • DE709198C - Arrangement for regulating and keeping constant counting stations or other measuring devices supplied electrical quantities : de en
  • DE709201C - Process for fusing the glass parts closing the vacuum vessel of a discharge tube : de en
  • CA398351A - Cartridge cases for firearms : en fr
  • CA398457A - Automobile bumper guard : en fr
  • US2251317A - Method and apparatus for evaporation : en
  • FR51096E - Improvements made to discharge devices : en fr
  • FR51138E - Improvements to thermionic discharge devices : en fr
  • CA398367A - Seed tape making machine : en fr
  • CA398509A - Selector switch : en fr
  • US2251377A - Mowing machine : en
  • US2251765A - Esters of maleic acid and unsaturated alcohols : en
  • US2251810A - Forming and trimming machine : en
  • GB538472A - Apparatus for the reproduction of oscillations : en
  • GB538537A - Improvements connected with automatic cut-outs for electrically heated kettles, coffee percolators or other cooking utensils : en
  • GB538540A - Improvements relating to fastening devices : en
  • CA398528A - Electric furnace current supply device : en fr
  • CA398395A - Metal coating method : en fr
  • FR51079E - Removable, folding and articulated bed, more especially for camping or emergency bed : en fr
  • CA398434A - Iodine production : en fr
  • US2251295A - Method and apparatus for coating sheet materials : en
  • US2251639A - Bicycle stand : en
  • FR51136E - Process for treating mineral oils using solvents : en fr
  • CA398423A - Cheese manufacture : en fr
  • US2251539A - Dual wheeled vehicle : en
  • DE709218C - Process for cleaning aluminum alloys : de en
  • US2251617A - Means for and method of controlling temperature, humidity, ventilation, and gas content in warehouses : en
  • DE709117C - Siren with coordinated air chamber : de en
  • USD128670S - Retainer plate for oil filters : en
  • GB538456A - Process and apparatus for extracting and cleaning long vegetable fibres from vegetable matter such as the leaf sheaths of the abaca plant : en
  • DE709100C - Ignition and operating device for electric, mains-operated discharge lamps : de en
  • DE709054C - Device for rolling pills : de en
  • DE709107C - Device for uniform feeding of wires through cleaning, pickling, plating and similar baths : de en
  • FR51094E - Improvement in liquid batteries : en fr
  • GB538582A - Improvements in and connected with overload released electrical switchgear : en
  • GB538524A - Improvements in or relating to magnetic field structures for induction heating devices : en
  • USD128672S - Snyder vaporizer : en
  • USD128706S - Design for a dress : en
  • FR51067E - Electromagnetic brake motor : en fr
  • CA398481A - Television receiver circuit : en fr
  • GB538438A - Improved power-transmitting arrangement for motor-driven vehicles : en
  • US2251275A - Pressure relief valve : en
  • USD128671S - Design for a billfold ok similar : en
  • US2251350A - Throttle valve control mechanism : en
  • US2251440A - Furnace flue damper : en
  • US2251703A - Circuit breaker : en
  • US2251790A - Air cleaner : en
  • US2251804A - Flexible coupling : en
  • US2251900A - Well surveying : en
  • US2251895A - Production of tetrahydrofuranes : en
  • DE709060C - Device for the production of picture sound films : de en
  • US2251408A - Sorting device : en
  • US2251563A - Closure for cosmetic jars and the like : en
  • DE709131C - Distribution chamber for reheater or feed water preheater : de en
  • DE709133C - Runner structure of a rotary piston machine with a non-circular inner shape of the housing : de en
  • GB538455A - Improvements in fire hose : en
  • US2251427A - Lifting jack : en
  • US2251819A - Preparation of salts of oxidized petroleum acids : en
  • CA398515A - Roasting machine : en fr
  • DE709019C - Process for the continuous production of acidic sodium fluoride : de en
  • CA398426A - Master cylinder : en fr
  • US2251869A - Pigment : en
  • US2251824A - Treatment of concrete forms : en
  • DE709121C - Circuit arrangement for electric traction vehicles operated from an alternating current network with rectification of the alternating current by a converter and with direct current motors : de en
  • USD128700S - Design fob a dress : en
  • US2251286A - Process of preparing oxatricarbocyanine dyes : en
  • US2251436A - Vibration measuring and recording apparatus : en
  • USD128673S - Design for a typewpater casing : en
  • US2251822A - Stack damper regulator : en
  • USD128733S - Design for a dress : en
  • DE709068C - Drive for mechanical torque amplifiers working with adjustable frictional engagement : de en
  • US2251851A - Electron-beam deflecting circuit : en
  • US2251889A - Antenna mounting : en
  • CA398495A - Weighing device : en fr
  • US2251529A - Comb frame lifting tongs : en
  • US2251535A - Control instrument : en
  • CA398414A - Radio receiver : en fr
  • US2251771A - Method of and apparatus for selecting fractions from fractionating condensers : en
  • US2251261A - Cooling tower : en
  • US2251651A - Coupler : en
  • CA398363A - Ribbon burner : en fr
  • US2251818A - Towel dispensing cabinet : en
  • US2251503A - Refrigeration control system : en
  • US2251409A - Electric fuse : en
  • AU282640A - Improvements in audio frequency amplifiers : en
  • US2251647A - Sandblasting stencil : en
  • US2251387A - Ignition distributor : en
  • US2251465A - Lubricating system : en
  • US2251373A - High tension transformer : en
  • US2251346A - Telephone system : en
  • CA398370A - Lock : en fr
  • CA398475A - Paper machine hydraulic inlet system : en fr
  • US2251840A - Ceiling tile : en
  • FR51145E - Transformation of hydrocarbon oils in the presence of pulverized catalysts : en fr
  • US2251557A - Soldering tool : en
  • US2251718A - Coupling for tubes : en
  • US2251386A - Sign : en
  • US2251674A - Induction motor : en
  • CA398424A - Homogenized milk product : en fr
  • AU1340244A - Improvement in pulse-echo distance indicator : en
  • GB538579A - Improvements in oil-fired heating devices for refrigerator cabinets : en
  • DE709205C - Piston valve : de en
  • DE709221C - Pump for dosing amounts of liquid for several consumption points, especially a lubricating pump : de en
  • DE709159C - Arrangement for observing the formation of residues in the piston ring groove of internal combustion engines : de en
  • US2251664A - Liquid circulating system : en
  • USD128609S - Design for a screw driver bit : en
  • DE709103C - Protective plate for medical syringes : de en
  • DE709095C - Encapsulation with elastic restraint for piezoelectric crystals : de en
  • DE709190C - Cross frame system for goniometer : de en
  • FR866395A - Method and devices for obtaining a remaining stable mixing ratio of elements used in the production of physical foam for extinguishing fires : en fr
  • FR866354A - Automotive trike : en fr
  • FR51057E - Sound tracking device : en fr
  • GB538548A - Process for the preparation of the double salt of calcium gluconate and calcium glucoheptonate, and solutions thereof : en
  • GB538483A - Improvements relating to the clothing or encasing of girders, beams, stanchions and the like : en
  • DE709023C - Process for the production of neutral oxalic acid esters : de en
  • US2251520A - Calculating machine : en
  • USD128768S - Design for a dress : en
  • DE709053C - Device for the reciprocal longitudinal displacement of the eccentric shaft of flat ball joint machines : de en
  • GB538496A - Improvements relating to gas fires : en
  • GB538560A - Improvements in or relating to hand or power hammers : en
  • CA398401A - Display device : en fr
  • US2251653A - Photoelectric tube : en
  • DE709009C - Process for improving technical pure lead, in particular so-called park lead : de en
  • US2251342A - Synchronizing free wheel transmission : en
  • US2251665A - Sound on film recording : en
  • US2251883A - Means for erecting cartons : en
  • US2251860A - Crankcase ventilator : en
  • US2251360A - Dual axle suspension system : en
  • US2251686A - Lubricating compound : en
  • CA398468A - Skiving machine : en fr
  • DK58909C - Household appliance for slicing vegetables. : da en
  • US2251487A - Tooth point : en
  • US2251573A - Electronic tube : en
  • US2251805A - Means for producing flat knitted fabric with inlaid elastic yarn : en
  • DE708982C - Lighting device for sound film purposes : de en
  • US2251425A - Molding machine : en
  • US2251743A - Manufacture of ortho-phenoxy-benzoic acid : en
  • US2251867A - Plant can splitting device : en
  • USD128620S - Design for a suit button : en
  • DE709158C - Oil heat and cleaning device, especially for the lubricating oil of aircraft engines : de en
  • DE709166C - Safety lock for multi-leaf gates : de en
  • FR51109E - Printing press : en fr
  • DE708970C - Device for lowering wheel axles : de en
  • DE709126C - Dedusting system : de en
  • AU113556B2 - Improvements in radio communication systems : en
  • CA398409A - Film base coating apparatus : en fr
  • USD128653S - Lathe bench : en
  • DE709169C - Device for securing high-pressure upstream turbines against the occurrence of excessive temperatures when they are relieved by supplying cooling steam : de en
  • AU113549B2 - Improvements relating to electric signalling systems : en
  • US2251489A - Dispenser for elongated articles : en
  • US2251852A - Electric time switch : en
  • US2251269A - Rock drill : en
  • US2251845A - Record book holder : en
  • US2251855A - Light bulb handling device : en
  • GB538448A - Improvements in means for use in connection with the treatment of water by aeration : en
  • US2251759A - Lifting jack : en
  • USD128729S - Design for a dress : en
  • US2251476A - Tuning unit for radio receivers : en
  • US2251515A - Manufacture of alkali metal silicate solutions : en
  • DE709177C - Process for spinning high-melting oxides, especially quartz : de en
  • FR51076E - Advanced engine exhaust manifold : en fr
  • GB538435A - Improvements in remotely controllable latch devices : en
  • GB538520A - Improvements in or relating to the treatment of textile and other articles with acidylating agents : en
  • AU113550B2 - Improvements in method and apparatus for foaming liquids : en
  • CA398460A - Water gas manufacture : en fr
  • FR51081E - Fire extinguisher : en fr
  • US2251306A - Light sensitive circuit means : en
  • US2251316A - Switch : en
  • US2251281A - Container : en
  • USD128618S - Design foe a pitcher or similar article : en
  • US2251532A - Circular knitting machine : en
  • GB538515A - Improvements in or relating to marine life saving equipment : en
  • USD128693S - Design for a lace : en
  • DE709157C - Centrifugal governor, in particular for regulating the fuel supply to internal combustion engines : de en
  • US2251630A - Manifold heater and control circuits for the same : en
  • GB538508A - Improvements relating to seats for vehicles : en
  • DE709213C - Compressed air tool : de en
  • GB538461A - Process for the clarification of effluent liquids from paper mills and other factories : en
  • FR51131E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • GB538490A - Improvements in or relating to the production of knitted fabrics : en
  • US2251260A - Insect trap : en
  • US2251820A - Rail bond : en
  • US2251528A - Method of manufacture for brick or block greases : en
  • SE102251C1 - : en
  • FR866376A - Striking grenade with safety device automatically put out of action, when throwing : en fr
  • US2251672A - Method of casting concrete pavements : en
  • US2251693A - Preparation of monoglycerides : en
  • US2251614A - Loose-leaf binder : en
  • US2251899A - Suction cleaner : en
  • DE709074C - Process for making diazotypes : de en
  • GB538505A - Improvements in and relating to artificial dispersions of rubber : en
  • FR866377A - Improvements to devices for making splines, for broaching machines : en fr
  • GR9603B - GAS MOTOR VEHICLE ACCOMPANYED GAS. : el en
  • CA398364A - Cottage cheese : en fr
  • DE709039C - Closure for holding together shell-shaped profiles assembled to form a tubular body, in particular cable protection irons : de en
  • US2251631A - Inductance device : en
  • USD128683S - Design for a tablecloth ok similar article : en
  • USD128762S - Design for a dress : en
  • FR51056E - Devices for testing and checking protective devices against gases, fumes, vapors, etc. : en fr
  • US2251842A - Corn sheller : en
  • GB538499A - Improvements in or relating to roller track chains for vehicles : en
  • US2251886A - Apparatus for the manufacture of thread : en
  • AU282240A - Energy transfer circuits : en
  • US2251420A - Boiler for aircraft heating systems : en
  • US2251556A - Thermostatic heating plug : en
  • US2251831A - Refrigerating apparatus : en
  • GB538482A - Improvements in or relating to the package of razor blades : en
  • DE709081C - Device for supplying the polishing agent to lens grinding machines : de en
  • DE709143C - Circulating regenerative heat exchanger : de en
  • DE709130C - Process for the preparation of oxyalkyl ethers of china alkaloids : de en
  • FR51060E - Fast photographic proofer : en fr
  • DK58915C - Close Valve Bags of Paper or similar Material. : da en
  • FR51103E - Brake for car or trailer : en fr
  • DE709209C - Process for the production of three-color partial images : de en
  • DE708907C - Process for the electrically conductive connection of objects made of silicon carbide with parts made of metal or metal alloys : de en
  • GB538446A - An improved manufacture of aliphatic nitrates : en
  • GB538471A - Improvements relating to jacquard mechanisms : en
  • FR51114E - Resinoid condensation products and their preparation process : en fr
  • US2251677A - Television system : en
  • FR866381A - Improvements to electrical devices such as those incorporating headphones : en fr
  • DE709199C - Circuit arrangement for generating breakover vibrations : de en
  • US2251471A - Fuse construction : en
  • FR51062E - Electric calculating machine : en fr
  • DE709142C - Flush ash removal device for furnaces : de en
  • DE709146C - vacuum cleaner : de en
  • FR51132E - Improvements in relays : en fr
  • US2251475A - Automatic speed regulator : en
  • US2251582A - Oven construction : en
  • AU113548B2 - Improvements in or relating to stains : en
  • CA398506A - Selective switch : en fr
  • DE709063C - Arrangement on harpoon heads or harpoon grenades : de en
  • CA398473A - Lapping machine : en fr
  • FR866391A - Jet apparatus for gaseous agents, used in particular to produce the traction and the ascent of aircraft : en fr
  • USD128675S - Design for a jewelry finding : en
  • USD128738S - Design fok a woven textile fabric : en
  • GB538479A - Cathodes for electron discharge devices and alloys therefor : en
  • US2251710A - Gas burner : en
  • DE709115C - Arrangement on rotating compensation devices : de en
  • GB538588A - Improved condiment receptacle : en
  • FR51051E - Electromagnetic induction devices for measuring the speed of projectiles or other moving bodies : en fr
  • FR866383A - Wire damper with application in variable pitch air propeller : en fr
  • US2251481A - Flow control valve : en
  • US2251699A - Automobile crossing barrier : en
  • DE709214C - Method and device for cutting peat : de en
  • DE709235C - Process for the photographic recording of X-ray images : de en
  • US2251288A - Manufacture of resistant materials : en
  • DE709045C - Electrical switching device, in particular automatic switch : de en
  • DK58907C - Device for multi-channel carrier frequency systems. : da en
  • DE709138C - Circuit for amplitude control, especially for automatic control of the input voltage of amplifiers : de en
  • DE709151C - Pickups : de en
  • DE709012C - Fuel injector : de en
  • DE709040C - Device for the electrically conductive connection of wire ends : de en
  • US2251711A - Round burner head : en
  • US2251372A - Bath mat : en
  • US2251521A - Brake operating means : en
  • US2251576A - Auxiliary safety pocket : en
  • US2251823A - Dispensing container : en
  • CA398483A - Oil extraction process : en fr
  • US2251394A - Softened rubber : en
  • US2251838A - Reciprocating mechanism : en
  • DE709154C - Hollow mowing machine drawbar : de en
  • US2251803A - Tire tester : en
  • USD128713S - Design for a deess : en
  • US2251299A - Portable hammock assembly : en
  • US2251433A - Cap making apparatus : en
  • US2251659A - Valve bag filling spout means : en
  • CA398476A - Organic arsenic compound : en fr
  • US2251844A - Butter knife : en
  • US2251738A - Lubricating oil : en
  • US2251816A - Submergible electric motor for deep well pumps : en
  • USD128726S - Design for a dress : en
  • DE709160C - Magnet or battery ignition device for internal combustion engines : de en
  • CA398490A - Radio receiver : en fr
  • USD128689S - Design for a textile fabric : en
  • DE708854C - Roller switch, in which pre-contacts are arranged for the spark-free switching on and off of contact paths for resistance levels : de en
  • US2251378A - Mower structure : en
  • USD128644S - Alphabet for forming monograms or the like : en
  • US2251500A - Disk harrow : en
  • US2251724A - Baseball game : en
  • US2251873A - Apparatus for storing and dispensing stacked articles : en
  • USD128749S - Design fob a textile fabric : en
  • US2251545A - Tobacco pipe : en
  • USD128771S - Design for a dress : en
  • FR866384A - Improvements to constant velocity joints : en fr
  • US2251580A - Conversion of olefinic hydrocarbons : en
  • US2251814A - Knockdown display rack : en
  • USD128634S - Invfntor by : en
  • US2251628A - Freezing tray : en
  • US2251723A - Spring nut fastener or the like : en
  • DE709070C - Candy stamping machine : de en
  • DK58902C - Process for the production of ring ketones of the saturated or unsaturated Cyclopentanopolyhydrophenanthene series with unsaturated side chain. : da en
  • GB538539A - An improved power driven winch for hauling timber and the like : en
  • GB538587A - Improvements in television synchronizing-signal separators : en
  • DE709033C - Feedback circuit arrangement for high-frequency tube devices : de en
  • DE709003C - Arrangement for amplification and frequency conversion at the line ends of carrier frequency telephony systems : de en
  • US2251483A - Automatic control for stokers : en
  • US2251705A - Artistic creation for interior decoration and human comfort : en
  • DE709223C - Sausage casing combined from an artificial casing and a natural casing : de en