• US2391689A - Stabilization of halogenated compounds : en
  • CA432210A - Lathe attachment : en fr
  • AU1326544A - Frequency modulation receiver tuning indicator : en
  • US2391594A - Collapsible enclosed boat : en
  • AU1255344A - Oscillator frequency varying method and circuit : en
  • SE115573C1 - : sv
  • US2391775A - Processing of hydrocarbons : en
  • US2391394A - Wrench : en
  • US2391728A - Production of alkali metals : en
  • US2391726A - Dagger stop : en
  • USD143380S - Design fob a compact ob similar article : en
  • US2391757A - Firing mechanism for automatic guns : en
  • US2391606A - Safety razor : en
  • USD143348S - Design fob a necktie back : en
  • US2391458A - Spark gap electrode : en
  • US2391497A - Film handling apparatus and magazine for use therewith : en
  • US2391668A - Mounting means : en
  • US2391748A - Circuit interrupter : en
  • US2391494A - Method and apparatus for treating sewage : en
  • US2391662A - Aircraft structure : en
  • US2391850A - Nutritional preparations and process : en
  • CA432199A - Anti-skid tire : en fr
  • USD143323S - Design fob a railway cab body : en
  • CA432064A - Optical comparator and gauge : en fr
  • FR906174A - Laundry dryer : en fr
  • US2391399A - Isomerization of paraffins : en
  • GB574186A - Improved device for positioning small washers : en
  • GR10545B - MOVING ANIMAL MODEL - CHILDREN'S TOY. : el en
  • USD143370S - Thornton dual motor power unit : en
  • CA432057A - Locking device for screwthreaded members : en fr
  • FR906101A - Watch strap closure : en fr
  • CA432134A - Opposed-piston engine : en fr
  • USD143258S - Rotating shafts positioned in a column : en
  • USD143300S - Design for an ash tray : en
  • FR906153A - Apparatus for applying a thin layer of liquid to a sheet : en fr
  • FR906262A - Process for forming external threads by rolling : en fr
  • GR10543B - RADIO ACCESSORY FOR SIMPLIFICATION OF RECEPTION OF RECEPTORS. : el en
  • AU120711B2 - Improved cross-slide tool mounting and operating arrangements for single-spindle automatic lathes : en
  • AU120751B2 - Psychrometrically controlled airconditioning systems : en
  • AU120769B2 - Electroplating apparatus : en
  • US2391795A - Adjustable bracket : en
  • FR906142A - Process for preparing diacetylene glycols : en fr
  • US2391489A - Method of molding : en
  • USD143257S - Design foe a smoking pipe : en
  • US2391416A - Friction element : en
  • GB574191A - Improvements in and relating to apparatus for broaching metals : en
  • CA432085A - Dispensing container : en fr
  • US2391815A - Method of preparing them : en
  • AU120729B2 - Stabilizers for vinyl polymers : en
  • AU120768B2 - Improvements in or relating to electrically "operated delay "action relay devices : en
  • CA432088A - Display and drain stand for oil cans : en fr
  • GB574190A - Improvements in and relating to sparking plugs for internal combustion engines : en
  • US2391615A - Method of making heat interchange apparatus : en
  • GB574258A - Punching and flanging sheet metal : en
  • USD143343S - Design foe a fabric : en
  • FR906233A - Process for removing higher alcohols from their mixtures with hydrocarbons : en fr
  • GR10550B - METHOD OF ELECTROLYTIC PREPARATION OF COPPER SALTS. : el en
  • US2391611A - Illuminating arrangement : en
  • USD143346S - Design for a fabric : en
  • CA432202A - Ice cube tray : en fr
  • FR906251A - Extraction process without deterioration of organic matter : en fr
  • US2391427A - Machine for turning windrowed hemp and the like : en
  • US2391849A - Reaction products of i : en
  • GB574181A - Improvements in and relating to automatic spindle stop motions for twisting and spinning machines : en
  • USD143347S - Design for a fabric : en
  • USD143299S - Design for a combined ironing ma- chine, lap board, and stand : en
  • US2391621A - Method of coating paper : en
  • US2391556A - Fluid pressure pump : en
  • US2391646A - Process for dehydrogenating olefins : en
  • US2391759A - Electric circuit interrupter : en
  • US2391558A - Pad for evaporative coolers : en
  • US2391652A - Tire inflating device : en
  • US2391704A - Sewage comminuting apparatus : en
  • FR906190A - Process for manufacturing a powdered amorphous alumina gel : en fr
  • US2391567A - Oil burner : en
  • US2391758A - Protective device : en
  • US2391715A - Core box : en
  • FR906189A - Method and device for recording sound waves on discs : en fr
  • US2391505A - Three-way valve : en
  • GB574182A - Improvements in and relating to the treatment of cellulosic textile materials : en
  • GB574211A - A destructible form particularly for the manufacture of seamless fuel tanks or otherarticles : en
  • US2391699A - Propeller control mechanism : en
  • USD143367S - Portable engine power unit housing : en
  • US2391438A - Tool driver : en
  • FR906143A - Process for preparing organic sulfur compounds : en fr
  • US2391682A - Safety device : en
  • US2391752A - Method for treating aluminum or aluminum alloy scrap : en
  • FR906267A - Process for obtaining alumina : en fr
  • US2391468A - Method of making manifolds : en
  • US2391705A - Printing method and product : en
  • CA432190A - Selenium rectifier : en fr
  • US2391528A - Tube holder : en
  • USD143314S - Design for a toothbrush holder : en
  • AU942643A - Improvements in or relating to substituted barbituric acid derivatives and salts thereof and methods of producing same : en
  • FR906194A - Process for wrapping metal hollow bodies by means of a cover layer containing a synthetic resin and which can be hardened by the action of pressure and heat : en fr
  • FR906271A - Airplane wing edge or tail cover : en fr
  • FR906286A - Auxiliary device for sheet or strip rolling mills : en fr
  • US2391635A - Earring : en
  • US2391844A - Protecting magnesium and its alloys from fire : en
  • US2391527A - Molding machine : en
  • US2391407A - Detachable port cover : en
  • US2391738A - Liquid treating apparatus : en
  • FR906276A - Piezoelectric oscillating crystal with its support : en fr
  • AU1106243A - Fuel injection apparatus : en
  • CA432114A - Circuit interrupter : en fr
  • CA432125A - Belt tightening device : en fr
  • US2391791A - Method of preparing waterresistant containers : en
  • AU1130943A - Improvements relating to method and apparatus for winding rayon orthe like thread : en
  • US2391420A - Ornamental container : en
  • USD143382S - Design for a faucet handle ob the like : en
  • CA432069A - Window sash mechanism : en fr
  • FR906218A - Method of indicating the tuning of braun tube receivers : en fr
  • GB574169A - Improvements in or relating to electric clocks : en
  • CA432136A - Tube connecting device : en fr
  • CA432066A - Air distributor : en fr
  • USD143379S - Receptacle for infant s food : en
  • GB574187A - Agricultural elevator and similar tine chains : en
  • GR10546B - REINFORCEMENT FOR PROPOSED STRINGS FOR CONSTRUCTION FROM IRON CONCRETE. : el en
  • FR906179A - Construction process and elements : en fr
  • AU1316244A - Improvements in or appertaining tothe manufacture of metal dust : en
  • US2391415A - Treatment of hydrocarbons : en
  • USD143262S - Design fob a hair ornament : en
  • USD143381S - Design fob a cigarette lighter : en
  • USD143338S - Design for an earring : en
  • FR906254A - Improvements to gas burners : en fr
  • US2391609A - Oil well screen : en
  • AU1190043A - Improvements relating to appliances for bending tubes, rods andthe like : en
  • CA432124A - Cast refractory production : en fr
  • US2391571A - Barbecuing attachment for domestic cooking ranges : en
  • FR906156A - Valve : en fr
  • GB574168A - Improvements in or relating to the coating of metal and like surfaces with resinous coating materials : en
  • US2391572A - Method for producing electronic devices : en
  • US2391716A - Filter : en
  • USD143330S - Design for a hair curler or the like : en
  • USD143378S - Design fob an atomizer : en
  • FR906216A - Control cam for electrical contacts : en fr
  • GB574202A - Cutting device : en
  • US2391573A - Method of and apparatus for making cold cathode fluorescent lamps or the like : en
  • US2391620A - Moistureproofing paper : en
  • US2391400A - Electrical relay : en
  • US2391756A - Magazine for firearms : en
  • US2391627A - Transducer : en
  • USRE22704E - moseley r : en
  • US2391568A - Machine for inserting cartridges into cartridge belts for automatic guns : en
  • US2391544A - Housing unit : en
  • FI20964A - Electrolytic devices for the storage of electric accumulators for the purpose of supplying electrical energy : en fi
  • US2391591A - Electric warp stop motion : en
  • FR906191A - Anti-interference capacitor through current feedthrough : en fr
  • US2391511A - Machine tool for manufacturing aircraft wings : en
  • FR906281A - Assembly intended for the transmission of very high frequency electrical oscillations : en fr
  • FR906248A - Single pressure locomotive boiler, comprising a water tube firebox and a cylindrical fire tube body : en fr
  • FR906228A - Iron retaining cap for mining galleries : en fr
  • FR906212A - Method of improving artificial masses of polyamides and mixed products of polyamides and albuminous substances, and bodies made from such masses : en fr
  • GB574176A - Improvements in or relating to hydraulically operated rudder rudder indicators for ships : en
  • US2391786A - Turbine nozzle structure : en
  • US2391832A - Removable core cylinder : en
  • USD143288S - Design for an escutcheon for sink fittings : en
  • FR906278A - Bearing method by means of an adcock direction-finding system : en fr
  • FR906157A - Process for ensuring image fixity in the projection of continuously moving image films : en fr
  • FR906288A - Toy : en fr
  • GB574227A - Improvements in and relating to x-ray apparatus : en
  • US2391396A - Drill : en
  • US2391498A - Locked filling cap for fuel tanks : en
  • GR10551B - METHOD FOR THE PRODUCTION OF COPPER SULPHATE IN GENERAL COPPER SALT OR COPPER OXIDATION OF MIXED OXIDE AND ATMOSPHERIC OXYGEN. : el en
  • GB566435A - Shaft seals : en
  • FR906110A - Manufacturing process of bonded polarization filters : en fr
  • US2391531A - Balanced valve : en
  • US2391616A - Fog producing device : en
  • USD143294S - Design fob a figure toy : en
  • CA432106A - Fluid coupling : en fr
  • USD143384S - Cover plate for a lavatory supply and waste fitting or the like : en
  • CA432059A - Portable shop : en fr
  • US2391471A - Towel cabinet timer : en
  • FR906256A - Process for the production of high molecular weight acids by the oxidation of paraffins : en fr
  • GB574175A - Improvements in or relating to ice skates : en
  • GB574195A - Improvements in and relating to bearings : en
  • FR906102A - Electrical switching device, in particular relays : en fr
  • GB574212A - Improvements relating to hydraulic devices for airplane landing gear wheels : en
  • CA432089A - Boat strake fabricating machine : en fr
  • US2391412A - Separator : en
  • USD143283S - Design fob a baby carrier : en
  • US2391596A - Stoker apparatus : en
  • AU1204143A - Improvements in or relating to valves suitable for controlling fluid flowin refrigeration systems : en
  • DK64192C - Bottom for Beds and similar Furniture. : da en
  • USRE22705E - Purification of azo dyestuffs : en
  • CA432118A - Thermal switch : en fr
  • AU129286B2 - Frequency converter circuits : en
  • US2391648A - Automatic transmission : en
  • FR906109A - Ink Resistant Paper Making Process : en fr
  • FR906154A - Apparatus for applying a thin layer of liquid to a sheet : en fr
  • FR906152A - Liquid supply device : en fr
  • GB574203A - Improvements in or relating to safety covers for shearing machines and the like : en
  • FR906203A - Angling gear fitted with an automatic hooking and warning device : en fr
  • GB574229A - A silent lever escapement : en
  • USD143325S - Combined ash tray and cigarette server or the like : en
  • USD143339S - Design for an earring : en
  • CA432131A - Electric fillet welding apparatus : en fr
  • AU2563045A - Process forthe manufacture of orthaphosphoric acid esters and amides : en
  • FR906238A - Defoamers : en fr
  • FR906211A - Process for preparing stable emulsions : en fr
  • AU822543A - Improvements in or relating to optical objectives : en
  • DK64194C - Slat coupling. : da en
  • US2391460A - Portable range : en
  • US2391575A - Reversible engine : en
  • US2391522A - Method of determining defects in aluminum and aluminum alloy articles : en
  • US2391803A - Waterproof push button for timepieces : en
  • AU1320044A - Improvements in or relating to seal constructions and pump constructions including the improved seal construction : en
  • DK64197C - Device for Aircraft with Carrying Lines, preferably Hovering Lines. : da en
  • USD143344S - Design for a fabric : en
  • US2391676A - Pneumatic pruning shears : en
  • US2391586A - Automotive vehicle speed control device : en
  • USD143349S - Design for a necklace : en
  • FR906182A - Process for obtaining pure acetal nitrile : en fr
  • CA432119A - Chemical manufacture : en fr
  • USD143304S - Design for a dress : en
  • US2391465A - Synthesis of vinyl chloride : en
  • US2391733A - Grinding or abrading machine : en
  • AU120775B2 - Improvements in or relating to means for fixing the heating units Sof electric fires or heaters : en
  • CA432082A - Boiler : en fr
  • FR906145A - Process for collecting brominated hydrocarbons : en fr
  • AU1311844A - Improvements in ironing machines : en
  • US2391647A - Alkaline detergents : en
  • CA432103A - Chocolate composition : en fr
  • US2391474A - Food composition : en
  • US2391678A - Magnetostriction transducer : en
  • US2391485A - Cutter chain : en
  • US2391801A - Electronic tube circuit : en
  • US2391817A - Rubberlike copolymers and methods of making : en
  • US2391578A - Position control mechanism : en
  • USD143310S - Design fob a vehicle signal light : en
  • US2391644A - Knot tightening device : en
  • USD143362S - Design foe a battery : en
  • AU932243A - Improvements relating to multiply elastic fabrics and articles made therefrom : en
  • CA432186A - Telephone circuit : en fr
  • USD143275S - Design for a toy building block : en
  • GR10542B - TYPE OF GASOLINE COOKING. : el en
  • USD143328S - Design for a bracelet : en
  • USD143335S - Combined music box and cigarette container : en
  • FR906163A - Clear water saver rinser : en fr
  • FR906170A - Aiming device for reflective mirror cameras : en fr
  • GR10547B - METHOD OF USING MOBILED COPPER FOR THE PREPARATION OF SALTS AND GENERAL COMPOUNDS OF THIS. : el en
  • USD143270S - Design for a washing machine : en
  • GB574174A - Improvements relating to axle counters for railway vehicles and the like : en
  • GB574237A - Improvements in or relating to electron multipliers and methods of manufacturing such multipliers : en
  • GB574243A - Improvements in tool supporting shelves or trays for furnaces : en
  • CA432070A - Bottle and jar opener : en fr
  • FR906245A - Starting device for talking machine engines : en fr
  • FR906188A - Improvement to fully or partially transparent pockets intended to contain a photomicrographic tape element : en fr
  • US2391605A - Well flow device : en
  • US2391617A - Dispensing receptacle : en
  • FR906178A - Device for threading the thread through the closed-shackle needles of darning machines for knitting, hosiery and woven articles : en fr
  • FR906236A - Heat treatment process for forged light metals : en fr
  • USD143341S - Design for a scaffold frame : en
  • FR906108A - Process for preparing sulfonation products : en fr
  • US2391388A - Grinding and lapping machine : en
  • GB574196A - A new or improved tool for digging and inverting soil : en
  • FR906193A - Device for the production of a high direct voltage by means of an alternating voltage : en fr
  • IE17161L - Suction cleaners : en
  • US2391432A - Process of manufacturing molded plastic die members with electric heating elements embodied therein : en
  • US2391436A - Oven-wall panel : en
  • CA432200A - Transmission belt : en fr
  • US2391698A - Musical signal device : en
  • USD143353S - Rockwell bulldozer : en
  • US2391637A - Rivet cutter : en
  • FR906263A - Rolling tapping process : en fr
  • US2391421A - Self-locking nut : en
  • FR906107A - Device for cable pulley for controlling the axial movements of parts : en fr
  • USD143351S - Porcelli airplane or similar article : en
  • GB574207A - Improved apparatus and method for drying disintegrated foodstuffs, grain and the like : en
  • US2391601A - Wind recording apparatus : en
  • USD143276S - Design fob a tot building block : en
  • FI20962A - Kortsystem för bokföringsändamål : en fi
  • FR906260A - Device for lubricating the wheel flanges of vehicles on railway tracks : en fr
  • GB574213A - Improvements in or relating to injection moulding and die casting apparatus : en
  • US2391742A - Synthetic rubber compositions : en
  • US2391448A - Sanding machine : en
  • GB574228A - Improvements in padlocks : en
  • US2391633A - Automatically operated objectlocating system : en
  • FR906159A - Process for the preparation of viscoses with a high cellulose content : en fr
  • US2391749A - Bituminous composition and method of making the same : en
  • US2391488A - Stitching machine : en
  • US2391636A - Gun : en
  • US2391829A - Dehydrated soup : en
  • US2391632A - Union : en
  • FI20966A - Sätt att framställa träfiberplattor : en fi
  • FR906137A - Device eliminating gas losses at the top of blast furnaces : en fr
  • US2391626A - Tire tool : en
  • US2391669A - Signaling device : en
  • US2391772A - Collar can collar mounting : en
  • USD143360S - Design for a sportman s stove : en
  • GB574221A - Improvements in or relating to mountings for machine guns or automatic rifles : en
  • GB574236A - Improvements in and relating to wire ropes, and members incorporating wire ropes : en
  • GB574246A - Improvements in or relating to the cooling of fluids : en
  • US2391553A - Bit control for percussive tools : en
  • US2391559A - Beverage : en
  • FR906105A - Process for continuous casting of metal parts : en fr
  • GB574177A - Improvements in aircraft control surface actuating means : en
  • AU120770B2 - Automatic wastewater pipe release : en
  • AU1315044A - Improvement in planographic printing plates : en
  • CA432090A - Light-metal blade manufacturing apparatus : en fr
  • FR906201A - Charcoal and similar fuels, combined with a stove : en fr
  • FR906169A - Four-wire carrier frequency transmission system : en fr
  • GB574210A - Improvements in or relating to plate heat exchange apparatus : en
  • AU1068943A - Detachable electric control motordrive unit : en
  • FR906136A - Process for manufacturing ice particles and apparatus for its implementation : en fr
  • FR906213A - Manufacturing process of mixed linear polyamides and mixed condensates : en fr
  • FR906220A - Sharpening device : en fr
  • GR10541B - PERFECTIONS OF WOODEN MANUAL LOOM. : el en
  • FR906166A - Dynamometer brake for measuring the power of internal combustion engines, especially propulsion engines : en fr
  • US2391696A - Wire twisting device : en
  • US2391433A - Apparatus for making retractile cords : en
  • US2391574A - Device for locking hunting knives in their scabbards : en
  • FR906195A - Industry for the manufacture of glass yarns : en fr
  • FR906133A - Contact converter of electric current with non-adjustable fixed contact times : en fr
  • AU120754B2 - An improved process forthe production or extraction of gelatin from animal skins : en
  • FR906117A - Process for displacing the double bond in olefinic hydrocarbons : en fr
  • US2391823A - Igniter for grenades and the like : en
  • US2391722A - Portable insulation slitting tool : en
  • US2391835A - Method of producing double faced pile fabrics and loom used in the production thereof : en
  • AU2504245A - Frequency converter circuit : en
  • AU120745B2 - Improvements in or relating to traffic line studs or blocks : en
  • AU128458B2 - Arrangement in evaporating and condensing heat-transfer systems : en
  • CA432071A - Grain dusting machine : en fr
  • AU120752B2 - An improved internal combustion engine : en
  • AU120771B2 - Improvements relating tothe manufacture of alternating electric current rectifiers : en
  • US2391670A - Heat dissipating system for bearings : en
  • CA432083A - Bowling game : en fr
  • CA432101A - Plasticized composition : en fr
  • US2391640A - Trap : en
  • US2391683A - Diazine derivatives : en
  • AU1010943A - Improvements relating tothe manufacture of alternating electric current rectifiers : en
  • CA432098A - Track roller seal : en fr
  • AU1091243A - Stopping device for the winding-up motor of spring-driven clockwork : en
  • AU120784B2 - Improvements relating to railway or other traffic control light signals : en
  • AU1123143A - Derivatives ofp-aminobenzenesulphonamides and process of making same : en
  • US2391755A - Carburetor : en
  • FR906246A - Method of joining sections of wire and suitable machine : en fr
  • USD143359S - Nozzle attachment for air hose or the like : en
  • CA432150A - Addition compound : en fr
  • CA432191A - Fluid seal : en fr
  • US2391495A - Friction member for clutches and brakes : en
  • US2391710A - Method of bleaching : en
  • USD143311S - Design for a. compact : en
  • US2391848A - Ammonolysis of aryl halides : en
  • FR906247A - Tie wire for incandescent sleeves : en fr
  • CA432135A - Handhole closure : en fr
  • AU871943A - Improvements relating tothe manufacture of alternating current rectifiers ofthe selenium type : en
  • US2391464A - Vapor and liquid contact device : en
  • US2391725A - Dead-centerless crank gear : en
  • US2391403A - Shell grommet : en
  • CA432176A - Secondary ether of polyhydric alcohol : en fr
  • AU1246743A - An improved internal combustion engine : en
  • CA432208A - Winding machine control : en fr
  • AU1162143A - Improved device for carrying a child : en
  • FR906198A - Process for preparing tow fibers and cellulosic fibers from tow plants : en fr
  • CA432158A - Spark gap : en fr
  • CA432192A - Coil winding apparatus : en fr
  • US2391810A - Pole climbing spur : en
  • CA432153A - Dynamo electric machine : en fr
  • FR906265A - Process for precipitating alumina hydrate from alkali aluminate solutions : en fr
  • FR906296A - Device for automatic control of reversal of the direction of movement of the tape in tape printing devices for machines such as cash registers, accounting machines, etc. : en fr
  • US2391470A - Automatic tuning apparatus : en
  • US2391799A - Hydantoin manufacture : en
  • CA432163A - Composite tape : en fr
  • US2391461A - Shoe machine : en
  • US2391661A - Clothes hanger : en
  • US2391639A - Container : en
  • US2391724A - Locking device : en
  • USD143280S - Design for a switch housing : en
  • FR906147A - Process for preparing carboxylic acids and their esters : en fr
  • AU1230243A - Remote control system : en
  • GB574247A - Improved plasticised polyvinyl alcohol compositions : en
  • AU1323444A - Automatically electrically operated gates or barriers for railway level crossings : en
  • US2391717A - Crutch : en
  • US2391524A - Vehicle track construction : en
  • US2391554A - Method of and apparatus for determining the ground speed and/or course of aircraft : en
  • AU1321844A - Improved portable spraying apparatus and atomiser : en
  • CA432058A - Locking device for screwthreaded members : en fr
  • US2391441A - Drying raw organic materials : en
  • US2391820A - Storage battery : en
  • USD143268S - Design fob a child s bdj : en
  • US2391745A - Chlorination of pyrazine : en
  • US2391731A - Spliced abrasive belt, band, and the like : en
  • USD143350S - Design foe a fluorescent lighting fixture : en
  • US2391750A - Bituminous composition : en
  • CA432173A - Sheet reversing mechanism : en fr
  • FR906240A - Process of manufacturing bodies in the desired shape : en fr
  • FR906283A - Basic ethers-salts of mono-alkyl-isobutyl-acetic acids and process for preparing these products : en fr
  • US2391383A - Separable packing unit : en
  • US2391456A - Spark plug electrode : en
  • FR906294A - Process for the manufacture of articles made of iron-carbon alloys : en fr
  • GB574215A - Improvements in or relating to gas-flow silencers : en
  • US2391774A - Container : en
  • US2391701A - Razor blade sharpener : en
  • GB574172A - A new or improved adhesive dressing or plaster : en
  • CA432065A - Seal joint : en fr
  • GB574226A - Method of and machines for producing knitted fabric : en
  • FR904878A - : fr
  • FR906217A - Improvements made to teletype devices : en fr
  • CA432100A - Plasticizer for rubber : en fr
  • CA432144A - Frictional mechanism : en fr
  • GB574252A - Improvements in or relating to lacquers : en
  • GB574178A - Improvements in refrigerating coin-freed vending machines : en
  • US2391787A - Electric current converting system : en
  • DK64188C - Coupling to corresponding Setting of locally separated Contact Systems in Remote Signaling systems, especially Telephone systems with Main and Sub-exchanges. : da en
  • US2391377A - Camera shutter : en
  • US2391379A - Sewing machine : en
  • US2391579A - Tire : en
  • CA432171A - Signal detecting system : en fr
  • US2391638A - Apparatus for making pellets : en
  • USD143340S - Automatic pilot turn control unit for aircraft : en
  • US2391650A - Resilient fastener : en
  • AU120749B2 - Improvements relating to appliances for bending tubes, rods andthe like : en
  • CA432146A - Wheel retainer : en fr
  • US2391659A - Firearm attachment : en
  • AU120712B2 - Improved tailstock tool mounting and operating arrangements for single-spindle automatic lathes : en
  • FR906132A - Improvement in jars of household preserves by sterilization : en fr
  • AU120781B2 - Fuel injection apparatus : en
  • AU1286144A - Improvements in or relating to electromagnetic relays : en
  • US2391788A - Anchoring means for flexible members : en
  • US2391812A - Electric valve protective system : en
  • US2391673A - Envelope : en
  • CA432183A - Metallic band : en fr
  • CA432097A - Screw-driving tool : en fr
  • CA432193A - Electric wave filter : en fr
  • USPP664P - Rose plant : en
  • US2391550A - Collet chuck : en
  • US2391499A - Process of and apparatus for operating on sheet metal : en
  • USD143329S - Design for a milk can cart : en
  • AU1240443A - Improvements in or relating to semiconducting composition and tape produced therefrom : en
  • US2391444A - Self-locking relay : en
  • US2391430A - Camera and projector : en
  • US2391808A - Fuel atomizer : en
  • AU1327644A - Improvements in or relating to means for fixing the heating units Sof electric fires or heaters : en
  • US2391595A - Nonreflective lens coating : en
  • CA432159A - Hammer mill : en fr
  • US2391709A - Venetian blind : en
  • AU120734B2 - Improvements in or relating to springloaded nonreturn valves : en
  • FR906208A - Process for preparing condensation products : en fr
  • FR906232A - Process for dyeing polyamides and polyurethanes using sulfur dyes : en fr
  • FR906280A - Ground breaking machine : en fr
  • CA432123A - Internal combustion engine : en fr
  • GB574192A - Improvements in fasteners for conveyor belts : en
  • GR10544B - METAL BOX ENVIRONMENT PROTECTIVELY COMMON BALANCE AND GIVE IT A LUXURY APPEARANCE. : el en
  • FR906264A - Method for rolling tapered threads : en fr
  • FR906196A - Voltage generator for electric fences : en fr
  • DK64193C - Tool for Cleaning and Stopping Tobacco Pipes. : da en
  • FR906103A - Mechanism for driving at least one ribbon, in particular a ribbon of paper such as a ribbon of postage stamps in a dispenser : en fr
  • FR906112A - Manufacturing process of interference light filters : en fr
  • GB574242A - Improvements in and connected with the supporting and fixing of sheet material, suchas wall and ceiling boards or the like, in buildings and structures : en
  • GB574265A - Novel or improved detachable treads for use with boots and shoes : en
  • FR906180A - Resilient wheel especially for vehicles running on railway tracks : en fr
  • FR906261A - Fishing leader : en fr
  • FR906266A - Process for removing alkali sulphates and other soluble sulfur compounds in aluminate lye : en fr
  • FR906121A - Subway ride board game : en fr
  • FR906161A - Gasifier with downward gas flow : en fr
  • USD143322S - Design for a railway car body : en
  • USD143287S - Design for a faucet handle or the like : en
  • US2391603A - Surge brake for trailers : en
  • DK64195C - Procedure for Making Enamel. : da en
  • US2391828A - Pile casing : en
  • USD143307S - Design fob a jacket : en
  • US2391679A - Apparatus for supplying wire from wire supply spools to bending presses : en
  • CA432092A - Ship power plant controlling apparatus : en fr
  • FR906106A - Device for making photographic reproductions of separate sheets with inscriptions on both sides : en fr
  • US2391410A - Charge forming device : en
  • US2391537A - Ambulatory rotating reduction and fixation splint : en
  • AU120705B2 - Improvements in or relating to seal constructions and pump constructions including the improved seal construction : en
  • CA432154A - Printing ink : en fr
  • CA432175A - Secondary ether of polyhydric alcohol : en fr
  • US2391840A - Spring-wound cord-controlled take-up reel : en
  • FR906134A - Improvements to rotating grid bars : en fr
  • FR906272A - Device for the transverse movement of conveyors of extraction galleries in mining : en fr
  • US2391827A - Production of chloroprene by pyrolysis : en
  • FR906284A - basic ethers-salts of tertiary aliphatic carboxylic acids and process for the preparation thereof : en fr
  • FR906206A - Transmission mechanism with rotating key coupling, preferably for its application to airplanes : en fr
  • FR906120A - Device for rotary drum cell filters : en fr
  • FR906144A - Process for preparing ethers : en fr
  • GB574197A - Improvements in and relating to electric cables : en
  • USD143297S - Design fob a finger ring : en
  • FI20961A - Forage and removal of destructive distillation of mineral or organic matter : en fi
  • FR906165A - Method and apparatus for concentration of yeast milk : en fr
  • US2391385A - Fountain pen : en
  • USD143293S - Design fob a surface sander : en
  • US2391542A - Gas lift pumping apparatus : en
  • US2391593A - Safety device : en
  • USD143305S - Design for a dress : en
  • US2391675A - Stereoscope : en
  • FR906215A - Fast construction process : en fr
  • DK64191C - Method for Curing Glassware for Kitchen Use. : da en
  • FR906192A - Process for preparing ascorbic acid, from derivatives of 1-keto-2 gulonic acid : en fr
  • FR906207A - Multi-stage turbo-compressor : en fr
  • FR906298A - Method and device for the construction, in mines, of interior cavities in which it is a question of using machines for the extraction of coal : en fr
  • CA432165A - Differential mechanism : en fr
  • CA432110A - Electric discharge device : en fr
  • US2391687A - Stabilization of electric condensers : en
  • GB574248A - Improvements in or relating to sealing electric conductors through a glass envelope and to electric conductors for such purpose : en
  • US2391475A - Buoyant article : en
  • US2391547A - Fabric feeding system : en
  • US2391525A - Coupling means : en
  • US2391500A - Venetian blind tilter : en
  • US2391608A - Device for parking airplanes : en
  • FR906183A - Process for preparing resins : en fr
  • US2391629A - Variable-pitch propeller : en
  • GB574173A - New and improved plasticised vinyl resin compositions : en
  • US2391830A - Reaction products of hydroxylated polyamines, higher molecular weight carboxylic acids, and organic sulphonic acids : en
  • GB574217A - Improvements in or relating to moulding materials : en
  • US2391429A - Device for interchanging bows or ornaments on shoes : en
  • US2391612A - Jetty, wharf and like berthing place for vessels : en
  • CA432068A - Electronic amplifying system : en fr
  • US2391543A - Heel attaching machine : en
  • USD143374S - Design for a finger ring : en
  • US2391539A - Method of making pressure sensitive labels : en
  • GB574230A - Improvements in or relating to connecting means for conductors of co-axial electrical transmission lines : en
  • US2391811A - Multistage centrifugal pump : en
  • FR906221A - Method and device for the manufacture of cardboard boxes : en fr
  • US2391625A - Circular knitting machine : en
  • US2391718A - Washing machine : en
  • US2391818A - Process for manufacturing alkyl benzene hydrocarbons : en
  • USD143318S - Design for a brooch pest or similar article : en
  • US2391414A - Selector switch circuit for automatic telephone systems : en
  • FR906167A - Process for preparing higher alcohols : en fr
  • IE17207L - Regulating valves : en
  • US2391425A - Self-wiping electric plug connector : en
  • CA432161A - Wire connecting sleeve : en fr
  • US2391589A - Abrasive tool : en
  • FR906173A - Process for the heat treatment of various materials, in particular the baking of cements, alkaline earth carbonates, such as limestone, magnesite, dolomite and similar materials, and installations for carrying out this process : en fr
  • US2391434A - Method of carrying out catalyst reactions : en
  • US2391846A - Corn harvester husking roll : en
  • US2391378A - Button winding machine : en
  • US2391520A - Game indicator or scoreboard or the like : en
  • AU1276344A - Improvements in and relating to electric irons : en
  • US2391741A - Razor blade holder for sharpening : en
  • CA432130A - Blowpipe device : en fr
  • DK64200C - Cardboard box or similar material with sealing liner. : da en
  • AU1269044A - Automatic wastewater pipe release : en
  • AU129669B2 - Frequency converter circuit : en
  • US2391424A - Machine for molding tuyeres : en
  • US2391507A - Refrigerating apparatus : en
  • US2391712A - Method of making self-locking nuts : en
  • CA432081A - Radio tuning control device : en fr
  • US2391417A - Brassiere : en
  • CA432107A - Multi-engine drive : en fr
  • US2391404A - Process for the separation of an unsaturated hydrocarbon from a hydrocarbon mixture : en
  • US2391533A - Substation circuit : en
  • AU1257444A - Improved method and apparatus for winding precision resistance coils : en
  • AU120773B2 - Improvements in or relating to wireless remote control systems : en
  • AU2530945A - Carton, carton blank and method of manufacturing : en
  • US2391437A - Shoe : en
  • USD143320S - Display stand or similar article : en
  • GB574264A - Improvements in or relating to face and eye shields : en
  • US2391784A - Sound recording and reproducing machine : en
  • FR906250A - Automatic locking device for electrical switches, in particular for disconnectors : en fr
  • FR906273A - Vegetable washing machine : en fr
  • CA432087A - Cigarette case : en fr
  • US2391667A - Pyrolysis of alkanols : en
  • CA432132A - Modulated high frequency transmitter : en fr
  • CA432129A - Blowpipe machine : en fr
  • CA432055A - Cultivator wheel : en fr
  • US2391402A - Two-stroke cycle internalcombustion engine : en
  • US2391686A - Electrical condenser and dielectric element : en
  • CA432120A - Chemical manufacture : en fr
  • AU1165443A - Improvements relating to electrical apparatus for indicating liquid levels : en
  • AU120761B2 - Improvements in or relating to electrical timing arrangements : en
  • US2391816A - Hairspring collet : en
  • US2391541A - Purifying carbon disulphide : en
  • USD143263S - Design for a saucepan : en
  • USD143277S - Design for a toy building block : en
  • US2391390A - Manifold support for gas analysis apparatus : en
  • US2391483A - Method of forming continuous strands of animal intestines : en
  • USD143327S - Design for a can opener : en
  • US2391508A - Manufacture of butadiene : en
  • US2391708A - Carton closing device : en
  • USD143278S - Design for a toy building block : en
  • CA432102A - Dehydrating method and apparatus : en fr
  • FR906210A - Process for preparing alcoholic compounds : en fr
  • USD143302S - Design for a gas saver : en
  • USD143324S - Jergenson railway car : en
  • US2391819A - Power steering gear : en
  • FR906122A - Device for temperature compensation of electromagnetic voltage regulators, in particular in installations mounted on vehicles : en fr
  • US2391398A - Horizontal boring machine : en
  • US2391549A - Door switch : en
  • US2391563A - High frequency coil : en
  • US2391746A - Bed or similar body resting appliance : en
  • CA432108A - Dynamo-electric machine : en fr
  • US2391393A - Polymerization of organic liquids : en
  • US2391622A - Drilling mud : en
  • FR906184A - Ultra microscope : en fr
  • US2391540A - Prevention and treatment of canine encephalitis : en
  • US2391806A - Pump : en
  • US2391599A - Refractometer : en
  • USD143313S - Combination airplane and submarine : en
  • US2391477A - Self-sealing fuel tank : en
  • US2391614A - Collapsible wardrobe cabinet : en
  • US2391765A - Facsimile apparatus : en
  • US2391824A - Synthesis of wound hormone : en
  • GB574238A - Improvement in engine starter gearing : en
  • US2391387A - Process of making adhesive material : en
  • US2391754A - Roll cleaning apparatus for spinning frames and the like : en
  • USD143312S - Design fob a table : en
  • US2391580A - Load handling apparatus : en
  • USD143376S - Combination radio and phonograph table : en
  • US2391516A - Purification of low melting point alloys : en
  • CA432084A - Non-skidding device for shoes : en fr
  • US2391562A - Semiautomatic rifle : en
  • US2391852A - Liquid level indicator : en
  • AU1219143A - Improved cross-slide tool mounting and operating arrangements for single-spindle automatic lathes : en
  • US2391664A - Manually operable auxiliary mechanism for air-brake systems : en
  • US2391452A - 1, 3, 5-triazinyl-phenyl-sulphides carrying a metallic radical : en
  • US2391604A - Clamp : en
  • CA432121A - Magnesium and chlorine production : en fr
  • USD143298S - Combined ironing machine and stand : en
  • USD143282S - Design for a baby carrier : en
  • US2391496A - Metallurgical apparatus : en
  • US2391723A - Method for making iron oxide : en
  • US2391389A - Telephone system : en
  • CA432063A - Ophthalmic lens generating machine : en fr
  • CA432147A - Isocyanate manufacture : en fr
  • GB574218A - Improvements in indicators comprising luminescent materials adapted to be excited byblack lamps : en
  • AU120726B2 - Method and apparatus for fabricating evacuated envelopes : en
  • AU120779B2 - Derivatives ofp-aminobenzenesulphonamides and process of making same : en
  • CA432126A - Flow control valve : en fr
  • CA432141A - Railway car truck : en fr
  • US2391790A - Fluid pressure control valve : en
  • US2391486A - Aircraft supercharging arrangement : en
  • US2391382A - Heating unit : en
  • US2391833A - Removable core cylinder : en
  • US2391851A - Bowling glove : en
  • CA432149A - Sewing machine stop mechanism operating means : en fr
  • AU1248243A - Improvements in or relating to extrusion processes : en
  • US2391776A - Intelligence transmission system : en
  • AU957143A - Stabilizers for vinyl polymers : en
  • US2391735A - Steering control mechanism for vehicles : en
  • USD143269S - Design for an ash that : en
  • USD143308S - Design for a telephone jack bracket : en
  • USD143272S - Design fob a toy building block : en
  • AU120758B2 - Production of viscose yarn for reinforcing cord tires andthe like : en
  • CA432080A - Heating appliance : en fr
  • CA432105A - Metal article tinning method : en fr
  • AU120782B2 - Improvements in and relating to reciprocating engines : en
  • AU983843A - Improvements in friction brakes : en
  • GB574204A - Improvements in or relating to joints for co-axial conductor electric cables : en
  • AU120714B2 - Improvements relating tothe manufacture of alternating current rectifiers ofthe selenium type : en
  • US2391514A - Wing structure for airplanes : en
  • CA432170A - On-off indicator circuit : en fr
  • CA432061A - Engine sleeve valve : en fr
  • USD143372S - Design for a space heatee : en
  • GR10540B - BED WITHOUT SCREWS AND NAILS AFTER LAYING FROM FABRIC INSTEAD OF WIRE MESH. : el en
  • CA432056A - Milk desiccating apparatus : en fr
  • AU120774B2 - Improvements in ironing machines : en
  • CA432189A - Metal sheath manufacture : en fr
  • CA432196A - Filament winding apparatus : en fr
  • CA432198A - Elastoplastic film stretching method and apparatus : en fr
  • AU120737B2 - Remote control system : en
  • FI20963A - Restrictions on the use of heterologous cyclic therapies : en fi
  • CA432094A - Sanding device for automobiles : en fr
  • US2391813A - Power tail gate : en
  • USD143309S - Design for a telephone jack bracket : en
  • FR906126A - Products for smoothing the skin and method of making such products : en fr
  • IE17321L - Tea and coffee extracts. : en
  • CA432115A - Refrigeration apparatus : en fr
  • FR906274A - Device for the construction of concrete structures with variable pour height, using climbing or walking formwork : en fr
  • US2391510A - Mating fixture : en
  • USD143316S - Design fok an engine starter : en
  • FR906149A - Process for obtaining carbon black and hydrochloric gas from chlorinated hydrocarbons : en fr
  • CA432077A - Bifurcated garment : en fr
  • FR906176A - Working head for darning machines for knitting, hosiery and woven articles : en fr
  • US2391839A - Treatment of alkyl phenols : en
  • AU2515645A - Arrangement in evaporating and condensing heat-transfer systems : en
  • US2391380A - Valve control for internalcombustion engines : en
  • US2391641A - Pantie : en
  • GR10549B - METHOD OF PREPARATION OF COPPER SULPHATE AND OTHER COPPER SALTS. : el en
  • FR906171A - Adhesive : en fr
  • GB574256A - Improvements in and relating to domestic appliances : en
  • FR906223A - Manufacturing process for refractory bricks and agglomerates : en fr
  • GB574231A - Improved electric hot plate for cooking ranges and other heating appliances : en
  • GB574240A - Improvements in electric lighting fittings : en
  • US2391585A - Oil burner : en
  • US2391853A - Process for production of sulphanilamide derivatives : en
  • FR906275A - Multi-channel system, particularly intended for wireless transmission of messages : en fr
  • FI20960A - Flerskärig bergborgkrona med krökta eggar : en fi
  • GB574220A - Improvements in or relating to rubber substitutes and process for the manufacture thereof : en
  • FR906181A - Process for preparing heterocyclic compounds : en fr
  • DK64186C - Bra. : da en
  • US2391431A - Friction device for vertically sliding window sashes : en
  • US2391760A - Record and carbon strip control for writing machines : en
  • US2391446A - Method of making counter portions : en
  • USD143333S - Design for a display stand : en
  • US2391792A - Wall construction and fastener therefor : en
  • USD143295S - Ed will fisher cigarette and cigar lighter : en
  • US2391770A - Combination undergarment : en
  • USD143264S - Design for an atomizer : en
  • CA432203A - Compression ignition engine combustion space : en fr
  • GB574251A - Improvements in drop forging die components : en
  • US2391607A - High pressure separation process : en
  • US2391395A - Billiard table : en
  • US2391719A - Apparatus for cutting filaments : en
  • GR10555B - METHOD FOR THE PRODUCTION OF COPPER SULPHATE IN MOBILIZED COPPER IN OXIDE OF COPPER, SULFUR AND ATMOSPHERIC OXYGEN. : el en
  • USD143291S - Farber pressure cooker : en
  • FR906243A - Pressure-resistant hose, made up of superimposed layers of compressed material, and method for its manufacture : en fr
  • GB574185A - Improvements in or relating to the transmission of power from two or more crankshafts : en
  • FR906125A - Device for automatically depositing the clichés of an address printing machine in a collector drawer : en fr
  • AU120702B2 - Improved device for carrying a child : en
  • FR906139A - Advanced stoner : en fr
  • US2391576A - High pressure separation : en
  • USD143377S - Design for a table lighter or similar article : en
  • GR10554B - METHOD FOR THE PRODUCTION OF COPPER SULPHATE OR COPPER COMPOUNDS IN GENERAL IN THE MODERN PREPARATION OF HYDROXIDES OR COALARIES OF ALKALIMETALS. : el en
  • DK64196C - Apparatus for continuous thermal treatment of the contents of hermetically sealed containers. : da en
  • US2391654A - Goldbeater's lubricant : en
  • FR906138A - Thomas steel two-step manufacturing process : en fr
  • US2391610A - Safety locking lever for coupling pins : en
  • US2391657A - Train booster : en
  • US2391405A - Method of removing broken studs : en
  • FR906252A - Manufacturing process of paints and varnishes : en fr
  • GB574219A - Improvements in or relating to mechanism for controlling the delivery of fluids under pressure : en
  • US2391729A - Purification of naphthenic acids : en
  • US2391854A - Grounding mechanism for magnetos : en
  • FR906202A - Angling gear with automatic hooking and warning device : en fr
  • FR906175A - Tank wagon : en fr
  • FR906244A - Liquid container, in particular milk jug, lined with compressed material, and method of manufacturing such containers : en fr
  • FR906299A - Catalysts : en fr
  • FR904952A - : fr
  • GB574262A - Improvements in or relating to devices for the production of solid frozen comestibles from syrups and like liquids : en
  • FR906114A - Process for removing volatile substances from enclosures where reduced pressure prevails : en fr
  • FR905062A - : fr
  • FR906131A - Set for the construction of various rides using spare parts made of metal, wood, plastic and canvas : en fr
  • FR906270A - Object in veneered wood bent in several planes and process for making it : en fr
  • FR905001A - : fr
  • CA432178A - Emulsion manufacture : en fr
  • FR906135A - Hollow axle support and rear pivot device for three-sided tipping body vehicles : en fr
  • FR906257A - Process for the production of dephosphorized pig iron with production of vanadium slag : en fr
  • FR906293A - Process for desulfurizing or dehalogenating hydrocarbons, or for producing both effects : en fr
  • FR906187A - Spark plug reconditioning process : en fr
  • GB574170A - Process of manufacturing electric resistance elements durable at high temperature and proof against chemical action : en
  • US2391602A - Convertible weft replenishing loom : en
  • US2391482A - Treatment of hydrocarbons : en
  • US2391523A - Method for casting rotors : en
  • US2391753A - Safety control and ignition system : en
  • US2391454A - Process of making aluminous : en
  • US2391391A - Terminal element : en
  • USD143342S - Design fob a lighter ob similar abticle : en
  • FR906277A - Receiver device that can be tuned in a determined waveband : en fr
  • US2391763A - Thin swath booster : en
  • GB574225A - Improvements in or relating to linear dimension gauges : en
  • US2391443A - Removal of deposits from the interior surfaces of coke ovens : en
  • GB574260A - Improvements in and relating to gas turbines and like prime movers : en
  • US2391680A - Lock-out switch for fluorescent lamp starters : en
  • USD143361S - Design for a battery : en
  • FR906199A - Protective device against backfire from gasifier nozzles : en fr
  • CA432156A - Frozen confectionery product : en fr
  • CA432157A - Silver electrodeposition : en fr
  • US2391681A - Gang-operating mechanism for switching devices : en
  • GB574180A - Improvements relating to tools with axially-extending handles : en
  • CA432104A - Stranded wire structure brooming apparatus : en fr
  • US2391665A - Knitting machine : en
  • US2391439A - Report construction : en
  • US2391834A - Cylinder lock : en
  • US2391672A - Means for eliminating the switching overvoltage hazard in alternating current circuits : en
  • US2391796A - Pliers : en
  • US2391561A - Drain mechanism : en
  • US2391422A - Fuel atomizer : en
  • USD143332S - Design fob a toy figure : en
  • USD143281S - Design fob a baby carrier : en
  • CA432187A - Telephone system : en fr
  • AU120717B2 - Machine for raising and gathering salt crust : en
  • CA432184A - Homogeniser : en fr
  • CA432076A - Fishing reel : en fr
  • US2391381A - Feed control for lining machines : en
  • CA432122A - Aircraft power plant : en fr
  • CA432162A - Wire connecting device : en fr
  • US2391588A - Method of prepaking pellets for : en
  • US2391643A - Self-locking nut : en
  • US2391822A - Process for producing 2-aminopyrimidines : en
  • FR906255A - Gas pressure ramming cylinder head holder device : en fr
  • US2391384A - Landing gear for trailers : en
  • AU1197943A - Frequency modulation detector and converter : en
  • USD143368S - Design fob a portable engine power unit housing : en
  • AU1063043A - Electroplating apparatus : en
  • AU120728B2 - Improvements relating to multiply elastic fabrics and articles made therefrom : en
  • USD143356S - End section of a fluorescent lamp fixture shield : en
  • CA432142A - Railway vehicle : en fr
  • US2391789A - Shoemaking : en
  • US2391843A - Purification of sugar solutions : en
  • AU2566945A - Improvements in or relating tothe treatment of cellulose yarns or cords : en
  • US2391546A - Magnetic multivibrator : en
  • US2391663A - Steam spotting unit : en
  • US2391703A - Proportioning pump : en
  • AU120719B2 - Improved portable spraying apparatus and atomiser : en
  • CA432201A - Heat exchange tube : en fr
  • FR906285A - Method of manufacturing steel sleeves and apparatus for its implementation : en fr
  • US2391618A - Friction shock absorber : en
  • USD143284S - Design for a baby gabbier : en
  • AU1130743A - Improvements in method and apparatus for manufacturing and winding synthetic thread : en
  • US2391555A - Production of dienes : en
  • US2391583A - Valve device : en
  • US2391451A - Process and appliance for projecting television pictures : en
  • US2391472A - Winding machine : en
  • US2391532A - Direct current amplifier : en
  • US2391642A - Pulley structure for belt-type liquid elevators : en
  • CA432148A - Calculating machine rounding-off means : en fr
  • AU130081B2 - Improvements relating to electric regulators ofthe carbon pile type : en
  • CA432145A - Valance clip and board : en fr
  • US2391771A - Time schedule calculator : en
  • AU1130843A - Production of viscose yarn for reinforcing cord tires andthe like : en
  • CA432143A - Riveted structure : en fr
  • US2391564A - Shoe and outsole therefor and method of making the same : en
  • US2391807A - Phase modulation receiving system : en
  • US2391691A - Workpiece depositor for dough molders : en
  • US2391419A - Roller leveler : en
  • USD143266S - Brainard etal desk : en
  • GB574166A - Improvements in or relating to blasting detonators or the like : en
  • US2391581A - Corner construction and finishing bead for walls : en
  • CA432177A - Glycerine aryl methyl ether : en fr
  • AU120742B2 - Automatically electrically operated gates or barriers for railway level crossings : en
  • AU1288244A - Improvements in or relating to traffic line studs or blocks : en
  • AU120739B2 - An improved machine for covering wires with insulating materials : en
  • US2391628A - Steam generator : en
  • US2391782A - Police weapon : en
  • USD143285S - Design for a rocking horse : en
  • US2391487A - Machine tool : en
  • US2391838A - Air conditioning system : en
  • US2391855A - Plaster body and method of making : en
  • US2391783A - Transmission : en
  • US2391645A - Marine steering apparatus : en
  • USD143355S - Design fob an intermediate section of a fluorescent lamp fixture shield : en
  • US2391692A - Electromagnetic relay : en
  • USD143296S - Design for a bottle : en
  • CA432207A - Yarn and filament processing : en fr
  • CA432180A - Fastening device : en fr
  • US2391447A - Radiant heater : en
  • GB574241A - An improved resilient mounting for vehicle or like seats : en
  • USD143371S - Design for a smoking pipe : en
  • US2391700A - Resilient flight conveyer : en
  • CA432079A - Oil filter : en fr
  • DK64199C - Container for Receiving Goods during Aeration, Heat Exchange and Other Treatments. : da en
  • CA432209A - Lathe attachment : en fr
  • FR906292A - Method for sharpening a rotating part using a rotating grinding wheel with a curved working surface : en fr
  • FR906197A - Control with oscillating elements for the distribution pistons of the lubrication pumps : en fr
  • US2391548A - Tobacco pipe : en
  • US2391730A - Lubricating arrangement for power driven saws : en
  • FR906116A - Process for transforming liquid or dissolved substances in the presence of catalysts : en fr
  • FR906291A - Control for shear winches : en fr
  • FR906214A - New gas stove : en fr
  • US2391653A - Goldbeater lubrication material : en
  • GB574198A - Extending frame for camouflage nets : en
  • FR906258A - Process for obtaining plywood containers in which the gluing and plywood is made in suitable shapes : en fr
  • FR906269A - Device for press molding veneered wood parts with curved surfaces : en fr
  • USD143317S - Design fob a bracelet ob similar article : en
  • FR906158A - Arrangement of draft ducts, in particular for fireplaces consuming coal dust : en fr
  • GR10553B - METHOD OF PREPARATION OF COPPER FLORIDES AND OF THESE COMPOUNDS AND COPPER SALTS IN THE MODERN PREPARATION OF HYDROXIDES OF ALKALIMETALS. : el en
  • FR906119A - Method and device for the manufacture of cellulose, preferably sulfate cellulose : en fr
  • US2391623A - Bladed rotor : en
  • FR905043A - : fr
  • GB574254A - Improvements in or relating to feed devices for power operated presses and the like : en
  • US2391736A - Screen door latch : en
  • AU120785B2 - Detachable electric control motordrive unit : en
  • US2391706A - Method of forming blocking layers on selenium coated plates : en
  • US2391631A - Compositions and processes : en
  • US2391841A - Tire construction : en
  • GB574245A - Improvements in or relating to saw tooth surface broach : en
  • US2391767A - Bake pan : en
  • FR906172A - Process for the preparation of ethersalts of monomethylenic ethers of 2-keto-gulonic acid : en fr
  • GB574250A - Improvements relating to thermally responsive devices : en
  • GR10548B - METHOD OF USING MOBILED COPPER FOR THE PREPARATION OF OXIDES IN THESE SALTS AND INCREASES OF COPPER COMPOUNDS. : el en
  • FR906160A - Very high voltage direct current installation : en fr
  • GB574234A - Improvements relating to joining means for roofing sheets : en
  • US2391481A - Conversion of hydrocarbons : en
  • CA432152A - Regulating mechanism : en fr
  • US2391409A - Electrical wiring device : en
  • US2391526A - Voltage regulator : en
  • USD143319S - Design for an instrument case : en
  • CA432127A - Electric welding apparatus : en fr
  • CA432169A - Audio frequency amplifier : en fr
  • AU1151043A - Improvements relating tothe treatment of water andother aqueous solutions of electrolytes : en
  • US2391694A - Labeling machine : en
  • US2391773A - Record controlled tape punching machine : en
  • US2391739A - Oyster opening machine : en
  • USD143321S - Design fob a teacup : en
  • CA432206A - Snow plough : en fr
  • AU120757B2 - Improvements in method and apparatus for manufacturing and winding synthetic thread : en
  • AU120736B2 - Frequency modulation detector and converter : en
  • AU1223143A - Improvements in and relating to dough brakes andthe like and tothe preparation of dough for biscuit cutting machines andthe like : en
  • US2391551A - By-pass control valve : en
  • AU1164443A - Improvements in or relating to springloaded nonreturn valves : en
  • AU120724B2 - Improvements relating to method and apparatus for winding rayon orthe like thread : en
  • CA432111A - Sensitometry : en fr
  • USD143375S - Combined fruit display and container unit : en
  • FR906226A - Chassis for motor cars : en fr
  • FR905000A - : fr
  • US2391847A - 5-nitrohexahydropyrimidines and process for preparation thereof : en
  • AU120707B2 - Improvements relating to means for controlling aeroplanes when inflight : en
  • AU120716B2 - Caging means for gyroscopes : en
  • FR906230A - Security padlock : en fr
  • GB574261A - Improvements in automatic lathes and the like : en
  • USD143290S - Infant s dressing and rubbing table : en
  • US2391693A - Surgical splint : en
  • FR906219A - Direction-finding device : en fr
  • US2391445A - Counter portion for shoes : en
  • US2391493A - Quick setting cement : en
  • US2391513A - Lock nut : en
  • US2391794A - Boring bar : en
  • USD143369S - Head unit for a milking machine : en
  • US2391406A - Automatic crankshaft grinding and polishing machine : en
  • USD143373S - Design for a picture frame spacer : en
  • FR906222A - Metal hollow body covered with a synthetic resin envelope applied under pressure : en fr
  • GB574249A - Improvements in or relating to combing machines : en
  • FR906115A - Process for preparing alcohols of the acetylenic series : en fr
  • FR906168A - Softeners : en fr
  • FR906239A - Device for unmolding, on plastic presses, capsules or other molded parts provided with a thread : en fr
  • FR906177A - Article lowering device for darning machines for knitting, hosiery and woven articles : en fr
  • FR906234A - Process for preparing 2-nitro-pyridine : en fr
  • AU128512B2 - Dimethyl silicon reaction product and process forthe preparation thereof : en
  • GB574235A - Improvements in stretcher carriers : en
  • US2391677A - High altitude oxygen supplying mask : en
  • US2391721A - Insulation slitting tool : en
  • USD143326S - Design fob a razor handle : en
  • US2391423A - Means for unloading magazines of firearms : en
  • US2391793A - Mechanism for treating wire rope : en
  • US2391565A - Welder's mask : en
  • FR906229A - Stop device for bulk material, in particular for welding powder : en fr
  • GB574259A - An improved electric cord grip : en
  • USD143354S - Tmicle xx : en
  • FR906113A - Switch device for high voltage direct current cut-off : en fr
  • FR906279A - New floating soap and its manufacturing process : en fr
  • US2391466A - Adjustable triangle : en
  • US2391649A - Sugar refining : en
  • CA432074A - Engine temperature regulator : en fr
  • US2391512A - Blower apparatus : en
  • US2391408A - Vehicle heater : en
  • GB574194A - Improvements in electrically heated hot water bottles : en
  • US2391634A - Washing barrel : en
  • US2391707A - Boot and shoe : en
  • USD143336S - Design for a lighting fixture : en
  • CA432185A - Optical inspection method and article : en fr
  • CA432054A - Slip cover for furniture : en fr
  • US2391503A - Apparatus for facilitating the transport of aircraft : en
  • AU120709B2 - Improvements in or relating to suction cleaners : en
  • US2391538A - Front end loader : en
  • US2391462A - Preparation of a phosphatide composition : en
  • CA432109A - Electric circuit : en fr
  • US2391714A - Process of reclaiming waste polychloroprenes : en
  • CA432197A - Acoustic measurement method : en fr
  • CA432091A - Screen : en fr
  • US2391836A - Color compositions containing salts of monoquinonyl-acid-amides : en
  • US2391797A - Toy : en
  • DK64187C - Machine for automatic Crossfolding and Closing of Brevark. : da en
  • AU120767B2 - Improvement in planographic printing plates : en
  • AU1067043A - Improved closure for oil drums and like containers : en
  • AU1294544A - Machine for raising and gathering salt crust : en
  • US2391467A - Supporting means : en
  • US2391534A - Separator : en
  • USD143303S - Design fob a dress : en
  • US2391751A - Bituminous composition : en
  • AU1023243A - Improvements in and relating tothe treatment of magnesium base alloys : en
  • AU129761B2 - Improvements in or relating tothe treatment of cellulose yarns or cords : en
  • CA432188A - Electro-magnetic device : en fr
  • AU120755B2 - Frequency modulation receiver tuning indicator : en
  • CA432139A - Roller bearing : en fr
  • US2391737A - Leak sealing compound : en
  • USD143260S - Portable engine power unit housing : en
  • CA432140A - Armature coil lead staking machine : en fr
  • GB574232A - Improvements in process for obtaining aluminium hydroxides from silicates : en
  • AU120708B2 - Improvements in or relating to semiconducting composition and tape produced therefrom : en
  • US2391484A - Apparatus for treating ammonium sulphate crystals : en
  • CA432116A - Metal body serrating method : en fr
  • AU120777B2 - Improved closure for oil drums and like containers : en
  • AU1224943A - Psychrometrically controlled airconditioning systems : en
  • AU120710B2 - Stopping device for the winding-up motor of spring-driven clockwork : en
  • US2391842A - Lubricating greases : en
  • AU120753B2 - Improvements in or relating to electromagnetic relays : en
  • AU1161943A - Improvements in or relating to wireless remote control systems : en
  • CA432093A - Rail wheel : en fr
  • US2391684A - Seaming mechanism : en
  • AU1285644A - An improved machine for covering wires with insulating materials : en
  • US2391521A - Clock hand remover : en
  • GB574223A - Improvements in or relating to hydraulic pressure supply systems and constant gear therefor : en
  • CA432062A - Grain car door : en fr
  • US2391766A - Method of manufacturing tubes : en
  • US2391582A - Spray control valve : en
  • AU131237B2 - Multiple signal transmission systems : en
  • US2391479A - Spring connector for selectors : en
  • USD143261S - Design fob a game board : en
  • AU129411B2 - Carton, carton blank and method of manufacturing : en
  • FR906164A - Quick-cleaning rinser : en fr
  • FR906209A - Process for preparing organic sulfur compounds : en fr
  • US2391762A - Work holder for arc-welding apparatus : en
  • USD143345S - Design fob a fabric : en
  • US2391845A - Overhead door construction : en
  • FR906104A - Keyboard area for cash registers, accounting machines and similar machines, with automatic zero key : en fr
  • FR906200A - Method for the remote transmission of measured variables by means of a frequency variation dependent on the measured variable : en fr
  • US2391401A - Method of rolling : en
  • FR906268A - Process for recovering iron from ferruginous materials : en fr
  • GB574239A - Improvements in or relating to screwing and other machines : en
  • GB574214A - Improvements in and relating to holders for thermionic valves and the like and meansfor securing them to apertured supports : en
  • FR906297A - Lactic acid production process : en fr
  • GB574255A - Improvements in scoring apparatus for games : en
  • US2391587A - Method of making molds having transition cores : en
  • GB574253A - Improvements in apparatus for tensioning strapping : en
  • US2391560A - Felting needle and method of making the same : en
  • US2391802A - Log barker conveyer : en
  • US2391469A - Communication and posting system : en
  • US2391570A - Machinist s calculator : en
  • US2391597A - Spreader stoker apparatus : en
  • US2391769A - Self-priming pump : en
  • US2391747A - Penstock and method of fabricating penstocks : en
  • US2391552A - Stabilized aromatic compounds : en
  • US2391530A - Metallation of beta keto esters : en
  • USD143385S - Design fob a cover plate fob a beveled panel back lavatory supply and waste fitting or the like : en
  • US2391440A - Crane boom suspension : en
  • GB574208A - Improvements in or relating to diesel-electric locomotives : en
  • FR906141A - Process for the preparation of dicarboxylic acid anhydrides : en fr
  • DK64190C - Automatic electric hand welding machine. : da en
  • US2391658A - Baby carriage : en
  • US2391821A - Cracking of alpha-methylstyrenes : en
  • FR906237A - Display assembly for various items, especially for displays and furniture obtained : en fr
  • US2391613A - Process of coloring wood : en
  • US2391515A - Insulation : en
  • US2391734A - Pumping system and apparatus : en
  • FR906287A - Process for producing a coating containing synthetic resin on metal vessels : en fr
  • GB574183A - Improvements relating to road vehicles : en
  • AU120750B2 - Improvements in or relating to valves suitable for controlling fluid flowin refrigeration systems : en
  • FR906235A - electrode having a surface roughened by corrosion, in particular for electrolytic capacitors : en fr
  • US2391535A - Ventilated clothing : en
  • CA432060A - Annealing and pickling apparatus for hollow metal articles : en fr
  • US2391592A - Flash arrester : en
  • USD143352S - Combined coaster and ash tray : en
  • USD143383S - Cover plate for a bath supply pitting or the like : en
  • US2391478A - Device for treating storage battery cell covers : en
  • US2391619A - Method of forming composite materials : en
  • US2391805A - Method of making covering elements : en
  • AU129315B2 - Improvements in centrifuging apparatus : en
  • AU1302044A - An improved process forthe production or extraction of gelatin from animal skins : en
  • USD143358S - Design for a flashlight : en
  • FR906151A - Metal lining for conveyors with grooved pulleys : en fr
  • GB574201A - Improvements in or relating to coverlet holders for sick-beds : en
  • GB574216A - Improvements in or relating to moulding materials : en
  • US2391529A - Toy : en
  • US2391566A - Method and apparatus for recovering inorganic by-products from waste pulp liquor : en
  • DK64189C - Electric Measuring Instrument with a Valve Instrument. : da en
  • FR906249A - Suspended vaults in refractory bricks for industrial furnaces : en fr
  • FR906253A - Control device for motor cars with central tubular spar : en fr
  • CA432179A - Autographic register : en fr
  • AU1092443A - Caging means for gyroscopes : en
  • CA432096A - Wire coil forming method : en fr
  • US2391519A - Sewing machine : en
  • US2391656A - Treated metal sheet and method of making same : en
  • US2391666A - Battery filling and venting means : en
  • AU120747B2 - Improvements in or relating to optical objectives : en
  • AU2504345A - Improvement in morpholine salts of sulfonated azo dye components and their preparation : en
  • AU120743B2 - Improvements in or relating to substituted barbituric acid derivatives and salts thereof and methods of producing same : en
  • AU869943A - Improvements in or relating to electrically "operated delay "action relay devices : en
  • CA432172A - Electrode wire : en fr
  • AU120713B2 - Improved method and apparatus for winding precision resistance coils : en
  • CA432138A - Plastic material moulding apparatus : en fr
  • US2391713A - Recovery of magnesium from vapor mixtures : en
  • AU2515445A - Improvements in centrifuging apparatus : en
  • AU120741B2 - Improvements in or appertaining tothe manufacture of metal dust : en
  • FR906150A - Steel belt for belt conveyors : en fr
  • FR906155A - High voltage direct current cut-off device : en fr
  • FR906128A - New disazo dyes : en fr
  • AU1260044A - Improvements in or relating to suction cleaners : en
  • AU1289944A - Method and apparatus for fabricating evacuated envelopes : en
  • CA432137A - Vapour generator : en fr
  • US2391426A - Gluing fixture : en
  • USD143357S - Design fob a flashlight : en
  • GB574224A - Supporting and bonding device : en
  • FR905050A - : fr
  • FI20968A - Sätt att Limma papper : en fi
  • GB574263A - A spring clip for securing conduits, wiring and the like to structural parts : en
  • FR906127A - Process to improve the resistance of dialysis membranes : en fr
  • FR906140A - Process for chlorination of methane and methyl chloride : en fr
  • US2391674A - Method of making transmission belts : en
  • FR906129A - Loop for connecting two strands of a flexible material : en fr
  • GB574222A - Manufacture of hexamethylene diisocyanate : en
  • USD143364S - Design fob a table top tray : en
  • FR906124A - Dynamo for bicycles : en fr
  • US2391442A - Gyro magnetic compass : en
  • FI20967A - Förfaringssätt och anordning vid limning av papper : en fi
  • GR10539B - METHOD AND PROVISION FOR THE MANUFACTURE OF ALKALIE METALS. : el en
  • USD143265S - Design for a desk : en
  • US2391814A - Machine for making cushions : en
  • GB574189A - Improved power-transmitting "v" belt : en
  • FR906224A - Needle, especially for grooved rails : en fr
  • US2391825A - Calculating machine : en
  • CA432075A - Necktie : en fr
  • CA432204A - Electric space heater : en fr
  • CA432073A - Signalling system : en fr
  • US2391697A - Liquid treating apparatus and process : en
  • US2391780A - Electron discharge device : en
  • USD143259S - Combined dispensing and article display cabinet : en
  • USD143331S - Design fob a brassiere : en
  • FR906242A - Improvement in the construction of gate valves : en fr
  • USD143292S - Parser pressure cooker : en
  • AU1219243A - Improved tailstock tool mounting and operating arrangements for single-spindle automatic lathes : en
  • USD143337S - Design fob a jewelry pin ob similar abticle : en
  • US2391504A - Antiseizing paste for sealing threaded joints and like parts : en
  • USPP665P - Rose plant : en
  • AU1274844A - Improvements in and relating to reciprocating engines : en
  • USD143286S - De waltoff : en
  • US2391502A - Bubble cap : en
  • US2391506A - Resistance device : en
  • GB574205A - Improvements in weighing and pressure recording apparatus : en
  • US2391490A - Production of refined cyanogen chloride : en
  • US2391671A - Self-releasing die holder : en
  • US2391720A - Footwear : en
  • US2391655A - Necktie : en
  • US2391826A - Fluid blast circuit breaker : en
  • US2391411A - Terrain-level altimeter : en
  • US2391435A - Grip mechanism for testing machines : en
  • CA432095A - Collapsible container : en fr
  • US2391453A - Display container : en
  • FR906300A - Method and device for mounting hollow parts on a lathe, allowing the parts to be turned and their end faces to be dressed : en fr
  • US2391690A - Electron tube : en
  • CA432086A - Fluid evaporator : en fr
  • AU1198743A - Improvements in or relating to electrical timing arrangements : en
  • USD143301S - Design for a mixing device : en
  • USD143334S - Combined radio cabinet and cigarette container : en
  • USD143365S - Combination submarine and land tank : en
  • FR906241A - Method for sensitizing silver halide emulsions using asymmetric carbocyanides : en fr
  • AU120723B2 - Improvements in and relating tothe treatment of magnesium base alloys : en
  • AU1169643A - An improved universal movement switch for switches and crossings on railway and tramway tracks : en
  • US2391740A - Sensitization of hydrogen bromide catalyzed oxidation reactions : en
  • USD143363S - Design for a desk microphone : en
  • USD143273S - Design fob a tot building block : en
  • USD143279S - Design for a toy building block : en
  • CA432182A - Remote control system : en fr
  • FR906148A - Process for preparing dehydrogenation products of primary or secondary alcohols : en fr
  • US2391501A - Screen plate : en
  • US2391785A - Reciprocatory motion apparatus : en
  • GB574184A - Improvements in sterilizing, disinfecting and drying apparatus : en
  • CA432166A - Toggle spring actuating means : en fr
  • AU120704B2 - Improvements in and relating to dough brakes andthe like and tothe preparation of dough for biscuit cutting machines andthe like : en
  • US2391685A - Stabilization of halogenated compounds : en
  • US2391804A - Hose clamp : en
  • AU120744B2 - Improvements relating to electrical apparatus for indicating liquid levels : en
  • US2391702A - Servomotor : en
  • GB574244A - Improvements in or relating to means for producing a spray of atomised liquid : en
  • AU130694B2 - Improvement in morpholine salts of sulfonated azo dye components and their preparation : en
  • CA432164A - Leather grading machine : en fr
  • AU120765B2 - Oscillator frequency varying method and circuit : en
  • CA432117A - Synthetic binding agent : en fr
  • AU1298044A - Improvements relating to frequency changers and stabilisation of frequency changer systems : en
  • AU2565445A - Dimethyl silicon reaction product and process forthe preparation thereof : en
  • CA432072A - Ventilator : en fr
  • AU131444B2 - Process forthe manufacture of orthaphosphoric acid esters and amides : en
  • US2391517A - Thread take-up for sewing machines : en
  • AU120764B2 - Improvements in or relating to extrusion processes : en
  • CA432174A - Naphthalene derivative : en fr
  • CA432099A - Piston assembly : en fr
  • AU120732B2 - Improvements in railway goods vehicles : en
  • FR906259A - Lubricating pump : en fr
  • FR906146A - Process for converting unsaturated aliphatic nitrated hydrocarbons : en fr
  • US2391463A - Chip breaking structure : en
  • CA432205A - Brassiere : en fr
  • USD143315S - Design for a marble runway toy : en
  • AU1313244A - Improvements relating to means for controlling aeroplanes when inflight : en
  • AU991743A - Improvements relating to railway or other traffic control light signals : en
  • CA432181A - Railway signal control circuit : en fr
  • US2391761A - Pipe joint : en
  • CA432160A - Thermoplastic vulcanizate : en fr
  • US2391590A - Thread and stranded wire gauge : en
  • CA432078A - Rubber boot resoling device : en fr
  • CA432112A - Motion picture sound record : en fr
  • CA432155A - Printing ink : en fr
  • US2391457A - Spark plug electrode construction : en
  • AU120727B2 - Improvements relating to frequency changers and stabilisation of frequency changer systems : en
  • CA432067A - Treated plant tissue : en fr
  • US2391449A - Sanding drum : en
  • AU2565945A - Improvements relating to electric regulators ofthe carbon pile type : en
  • USD143306S - Design for a jacket : en
  • FR906130A - Electrical apparatus for probing ice thicknesses : en fr
  • GB574200A - An improved tool for opening bottles and cans : en
  • CA432113A - Titanium pigment : en fr
  • FI20969A - Sadel, särskilt för velocipeder och motorcyklar : en fi
  • GB574257A - Improvements in apparatus for testing gyroscopic instruments : en
  • US2391651A - Dental compact : en
  • US2391584A - Draft operated scraper : en
  • AU120786B2 - Improvements in and relating to electric irons : en
  • US2391798A - Alkyl phenol compositions : en
  • US2391779A - Turbocompressor : en
  • USD143271S - Design fob a padlock : en
  • USD143289S - Closure cap for a two-compartment container : en
  • CA432167A - Fluid dehumidifying method : en fr
  • US2391569A - Process of treating cellulosic material : en
  • GB574199A - Improvements in or relating to the removal of foreign matter from textile fibres in web or like form : en
  • US2391545A - Self-pulsing circuit : en
  • FR906186A - Precious Thomas Steel Manufacturing Process : en fr
  • US2391480A - Laboratory hammer mill : en
  • US2391630A - Lye peeler : en
  • FR906295A - Manufacturing process of low-inclusion carbon steels : en fr
  • GB574233A - Improvements in ship propeller driving arrangements having electrodynamic slip couplings : en
  • FI20965A - Screw connection for electric ledgings : en fi
  • GB574206A - Improvements relating to strainers : en
  • US2391727A - Method of producing magnesium : en
  • US2391428A - Conductor tap-off clamp : en
  • US2391459A - Spark plug and electrode therefor : en
  • US2391695A - Dry shaver clipper attachment : en
  • US2391455A - Spark plug and electrode therefor : en
  • US2391744A - Electric resistance grid : en
  • US2391777A - Embossing machine : en
  • US2391809A - Pedal drive : en
  • AU2514845A - Multiple signal transmission systems : en
  • CA432128A - Glass product making apparatus : en fr
  • CA432151A - Surface roughness measuring or indicating apparatus : en fr
  • US2391473A - Automatic control for firearms : en
  • CA432168A - Mechanical tuning means : en fr
  • US2391518A - Fire grate : en
  • US2391450A - Method and apparatus for reproducing television pictures : en
  • CA432195A - Pulse repeating system : en fr
  • DK64198C - Procedure in the Manufacture of Plastics. : da en
  • FR906185A - System of three superimposed berths, in particular for railway compartments : en fr
  • US2391392A - Golf tee : en
  • US2391732A - Can opener : en
  • US2391624A - Stud bolt retractor and drive : en
  • US2391397A - Beverage maker : en
  • US2391768A - Facsimile recorder : en
  • FR906162A - Remote control installation of model ships and airplanes : en fr
  • GR10552B - METHOD OF PREPARATION OF COPPER OF COPPER AND OF THESE SALTS AND IN GENERAL OF COPPER ASSOCIATIONS AND SODIUM CARBONATE OR IN GENERAL CARBONATE. : el en
  • GB574193A - Improvements in or relating to glazing frames for use in dutch lights and like glazed structures : en
  • US2391688A - Manufacture of electrical condensers : en
  • US2391778A - Variable pitch propeller : en
  • GB574167A - Improvements in electrically heated salt bath furnaces : en
  • US2391660A - Baking pan : en
  • US2391386A - Harmonic generator : en
  • US2391711A - Lamp shade retainer : en
  • US2391413A - Hydraulic coupling : en
  • CA432133A - Variable speed transmission : en fr
  • FR906289A - Cable stripper : en fr
  • AU120701B2 - Improvements relating tothe treatment of water andother aqueous solutions of electrolytes : en
  • US2391476A - Machine for utilizing power : en
  • US2391831A - Cationic active compounds : en
  • US2391781A - Spinning bucket assembly : en
  • US2391557A - Fountain pen : en
  • GB574179A - Improvements in or relating to valves for use in fluid pressure systems : en
  • FR906111A - Method of manufacturing polarization filters by coloring : en fr
  • FR906204A - Tool steel fabrication process : en fr
  • FR906231A - A method of manufacturing internal coatings resistant to corrosion, heat and oxidation, for machine parts, containers, pipes, etc. : en fr
  • US2391492A - Hydraulic duplicating mechanism and exhaust governor : en
  • AU2504045A - Frequency converter circuits : en
  • US2391491A - Regenerative gas heater : en
  • US2391536A - Clothes post : en
  • FR906205A - Switches for telephone and analog systems : en fr
  • US2391577A - Rotary pump shaft seal : en
  • US2391743A - Treatment of sterols : en
  • US2391800A - Electric alarm clock : en
  • US2391764A - Drying apparatus : en
  • FR906118A - Process for preparing unsaturated amines : en fr
  • AU120783B2 - Improvements in friction brakes : en
  • FR906225A - Turbine : en fr
  • US2391598A - Shears : en
  • USD143274S - Design for a toy building block : en
  • FR906123A - Device with grates for additional combustion, in particular for fireplaces heated with coal dust : en fr
  • GB574188A - Gas producers : en
  • US2391418A - Drive for valves and the like : en
  • US2391600A - Stoker apparatus : en
  • US2391837A - Nitroso beta naphthol composition : en
  • US2391509A - Manufacture of butadiene : en
  • FR906227A - Process for the preparation of high molecular weight condensation products : en fr
  • USD143267S - Cigarette box or similar article : en
  • AU1144643A - Improvements in railway goods vehicles : en
  • USD143366S - Design for a portable engine power unit housing : en
  • AU120703B2 - An improved universal movement switch for switches and crossings on railway and tramway tracks : en
  • CA432194A - Radio signalling system : en fr
  • GB574171A - A new or improved toy : en