• ES12823U - Device for the manufacture of footwear with floors or soles of composite materials based on fibers or fibrous materials. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909235A - Measuring meter cap : en fr
  • US2399424A - Means and method of fitting shoes : en
  • USD144554S - Embroidered monogrammed medallion : en
  • ES173122A1 - IMPROVEMENTS INTO THE PARACHUTE LINKS : en es
  • US2399381A - Ship propulsion control : en
  • AU121338B2 - Improvements in and relating to vulcanised or sulphurised oil compositions and to products or articles of manufacture produced withthe aid thereof : en
  • ES172793A1 - A PROCEDURE AND DEVICE FOR MAKING AUXILIARY MOVEMENTS IN TEXTILE MACHINES : en es
  • CA434499A - Filter medium producing method : en fr
  • ES12304Y - Metallic dusting pot. : en es
  • US2399501A - Tubular lamp fixture : en
  • ES172991A1 - A PROCEDURE FOR THE PRODUCTION OF VINYL ETHER POLYMERS WITH STABILITY IN ITS FORM : en es
  • ES12815U - Folder portadocumentos with special features for the protection of these. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909193A - Improvement in the manufacture of varicose vein stockings and resulting industrial products : en fr
  • FR909211A - Welding device and rod for all ceramic products : en fr
  • GB577054A - Improvements in processes for producing chlorine dioxide : en
  • FR909161A - Improvements to telephone systems : en fr
  • FR909268A - Improvement in washing wool after mowing : en fr
  • FR909291A - Driving device for washing machine : en fr
  • GB577073A - Improvements in or relating to plastic, elastic rubber-like substances : en
  • ES12081Y - Clips or devices for the projection, in parts, of captions or drawings. : en es
  • US2399300A - Filling apparatus and valve : en
  • US2399535A - Spring group : en
  • GB576989A - Improvements in and relating to electric gas blast circuit breakers : en
  • FR909267A - Hot elastic fluid motor : en fr
  • FR909069A - Metal or plastic beehive buildings : en fr
  • AU1443844A - Method of and means for testing the supplementary fuel valve on vacuum controlled carburettors : en
  • ES12321Y - Passable sheet calendar in the form of a notepad. : en es
  • FR909204A - Filter with removable screen : en fr
  • US2399420A - Electronic translating device : en
  • US2399433A - Grapple : en
  • US2399608A - Grinding machine steady rest : en
  • CA434441A - Brake : en fr
  • US2399177A - Variable-speed device : en
  • US2399291A - Liquid level indicator : en
  • US2399400A - Moistening device : en
  • ES12800U - Nozzle applicable to deboning machines of all kinds, especially olives. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909298A - Extendable simbleau for centering the jaws of a lathe chuck : en fr
  • CH242153A - Process for the production of a new sulfamide derivative. : de en
  • PL33205B1 - Paddle wheel for moving water vehicles : en pl
  • USD144603S - Design for a lipstick container : en
  • ES172748A3 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRICAL INSULATING MATERIALS : en es
  • GB576944A - Improvements in and relating to resinous polymerization products : en
  • FR909203A - Process for enriching city lighting gas : en fr
  • CH242283A - Device for regulating the operation of refrigerators serving refrigerating machines. : de en
  • DK64446C - Procedure for crystallizing substances of solutions. : da en
  • FR909117A - Floor drain and corresponding floor feed-through : en fr
  • ES12784U - Loose-leaf fastener device (Machine-translation by Google Translate, not legally binding) : en es
  • FR909166A - Feed mechanism for cards or sheets of paper for tabulating typewriters : en fr
  • GB577068A - Improvements in or relating to methods and apparatus for time conversion by means ofcathode-ray or like tubes : en
  • US2399160A - Planer gauge : en
  • US2399365A - Star globe : en
  • ES12333Y - Plastic beret stripper. : en es
  • FR909128A - Explosion fire extinguisher : en fr
  • US2399184A - Laminated armor plate structure : en
  • FR909174A - New manufacturing process for shoe soles of all kinds and all kinds of fibers : en fr
  • FR909264A - Fixing device for pins, badges and the like : en fr
  • FR909276A - Right and left alternating angular pedaling with support points and variable strokes for bicycles, tandems or similar : en fr
  • FR909053A - Clockwork or other mechanism control and adjustment device for all applications : en fr
  • ES172534A1 - A PROCEDURE FOR THE OBTAINING OF WOOL FROM SCORIAS BY MEANS OF STEAM : en es
  • FR909180A - Automatic hearth with rotating grill : en fr
  • FR909084A - Device for eye examination and screening for visual impairments : en fr
  • GB576961A - Improvements in taps, valves and the like : en
  • ES173128A1 - IMPROVEMENT IN SELECTOR SWITCHES : en es
  • FR909262A - New remote control and telecommunication process : en fr
  • GB577003A - Improvements in or relating to temperature expansion compensators for closed hydraulic systems : en
  • ES136479A1 - A great drafting mechanism for spinning machines. : en es
  • FR909177A - Injector for liquid fuels for internal combustion engines or other applications : en fr
  • CA434530A - Hydraulic scoop : en fr
  • AU307846A - Rotary compressor or motor : en
  • CH242143A - Device for steaming piece goods. : de en
  • US2399366A - Synchronous-converter ventilation : en
  • US2399578A - Lock valve : en
  • CH242195A - Light signal device on an automatic speaking machine. : de en
  • BE463740A - : en
  • FR909129A - heat exchanger : en fr
  • FR909215A - Bolt with instant head formation : en fr
  • GB577004A - Improvements in or relating to fuze-setting apparatus : en
  • USD144557S - Design for a handbag : en
  • ES173078A1 - A MULTICOPISTA MACHINE : en es
  • AU132290B2 - Altimeter : en
  • CH242159A - Process for the production of a new azo dye. : de en
  • CA434503A - Print developing apparatus : en fr
  • GB576976A - Improvements in or relating to gramophone records : en
  • CA434510A - Pickling process : en fr
  • ES173001A1 - A NEW DEVICE FOR THE MECHANICAL CONNECTION OF WOOD HEELS : en es
  • USD144590S - Combination table and cabinet : en
  • CH242218A - Mechanism for producing a tumbling and pivoting movement. : de en
  • AU121365B2 - Improved spur : en
  • US2399431A - Gun sight for antiaircraft weapons and the like : en
  • US2399577A - Contrast control for photographic enlargers and printers : en
  • FR909051A - Improvement in pipe fittings : en fr
  • GB577089A - Improvements relating to fluorescent materials : en
  • ES12306Y - Electric wall lamp, based on dry batteries. : en es
  • FR909135A - Development of electro-acoustic breeders : en fr
  • ES173062A1 - IMPROVEMENTS IN A RADIOGONIOMETRIC SYSTEM DESTINED FOR OBSTACLE DETECTION : en es
  • ES172025A1 - A MULTIPLE ASPIRANT SLEEVE SYSTEM WITH ACCELERATED CURRENT : en es
  • ES172533A1 - A PROCEDURE FOR THE OBTAINING OF SCORING WOOL BY THE ACTION OF THE CENTRIFUGAL FORCE : en es
  • US2399539A - Antifriction bearing having fluid passages : en
  • US2399478A - Applique crochet : en
  • USD144565S - Design fob a table : en
  • CA434489A - Alphabetic printing mechanism : en fr
  • US2399514A - Process for decolorizing light oil fractions by selective hydrogenation : en
  • CH242292A - Process for the preparation of a quaternary salt of the dimethylcarbamic acid ester of o-dimethylaminophenol. : de en
  • FR909138A - Process for obtaining divided iron and resulting product : en fr
  • GR10644B - ADHESIVE AND INSULATION TAPES. : el en
  • ES172882A1 - A NEW PROCEDURE FOR CONSTRUCTION OF BLOCKS, BANKS, DOORS, WINDOWS, MOLDINGS AND SIMILAR : en es
  • GB577042A - Improvements in justifying devices for typewriters : en
  • USD144577S - Design for a brooch or similar article : en
  • AU131545B2 - Improvements in or relating tothe manufacture of rubber transformation products : en
  • CA434534A - Derivative of 2-alkyl-1 . 4-naphthoquinone : en fr
  • GB576994A - Improvements relating to wire tensioning devices for use in coil winding machines : en
  • GB577035A - Improvements in fuzes for bombs and marine mines and the like : en
  • FR909073A - Control process for printing presses, and other presses : en fr
  • US2399502A - Protective holder for electric discharge devices : en
  • GB577078A - Improvements in or relating to valves more particularly for windshield cleaner control : en
  • CH242251A - Bottle stopper, which is particularly suitable for moistening the scalp. : de en
  • US2399259A - Method of making hollow filaments and product thereof : en
  • US2399421A - Synchronizing device : en
  • US2399567A - Control system for change-speed transmission gearing : en
  • US2399185A - Regulating apparatus : en
  • US2399304A - Lumber or pipe carrying rig : en
  • US2399585A - Stylus device : en
  • ES170933A1 - A SYSTEM OF REFRIGERATION BY ABSORPTION : en es
  • ES173058A1 - A COMMUNICATION SYSTEM WITH PULSE MODULATION : en es
  • GB576942A - Improvements in or relating to release mechanism for bombs and other loads : en
  • ES12762U - Cap-capsule for bottles and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399308A - Knitting machine needle : en
  • CA434437A - Film developing rack : en fr
  • ES172151A1 - A DEVICE FOR THE REGULATION OF MARINE PROPELLERS WITH MOVING BLADES AND THE CORRESPONDING MACHINE THAT DRIVES THE PROPELLER : en es
  • AU305246A - Radio beacons : en
  • CA434421A - Draft gear : en fr
  • ES12329Y - Radiator for heating. : en es
  • ES12816U - Type of heating paddle with refrigerated grill for thermosyphon. (Machine-translation by Google Translate, not legally binding) : en es
  • GB578185A - Improvements in speed-control governors : en
  • CH242156A - Process for the preparation of a, y-dioxy-B, B-dimethyl-butyric acid- (3 ', 4'-dioxy-butyl) -amide. : de en
  • CH242184A - Assembly game. : en fr
  • ES12819U - A shielding system for electrolytic capacitors (Machine-translation by Google Translate, not legally binding) : en es
  • CH242175A - Typewriter for writing on plans. : de en
  • CH242122A - Water sludge collector. : de en
  • AU121308B2 - Improvements in or relating tonon-detonating deflagrating explosive compositions and delay combustion train devices obtained therefrom : en
  • GB577028A - Improvements in or relating to the profiling of grinding wheels : en
  • AU121318B2 - An improved method and apparatus to enable a craft to travel over or above the surface of water while being supported and/or stabilized thereby : en
  • CH242148A - Process for preserving fruit, fruit or grape juice. : de en
  • CA434464A - Adsorption apparatus : en fr
  • CH242152A - Process for the preparation of a compound having the effects of pantothenic acid. : de en
  • US2399245A - Fluid dispensing device : en
  • US2399313A - Process for the manufacture of electrical capacitors : en
  • CH242170A - Process for processing sulphite cellulose waste liquor. : de en
  • ES172983A1 - AN ELECTRIC SWITCH WITH MULTIPLE RUPTURE POWERED BY PUSH BUTTONS : en es
  • ES173006A1 - FRONT OF BOILER WITH OVEN MOUTH TO BURN ALL KINDS OF LIQUID FUEL : en es
  • US2399511A - Flashlight : en
  • CH242111A - Process for the production of infill masonry and scaffolding for carrying out the process. : de en
  • FR909283A - Bridge posable by means of any multiple pyramidal legs fixed to the ground at an obtuse angle on either side : en fr
  • AU121315B2 - Improvements in or relating to seal constructions : en
  • AU311646A - Improvements in or relating to electrical pickups for gramophones : en
  • GB576955A - Board game : en
  • CH242224A - Four- or multi-cylinder in-line engine for transverse installation in rear-engine vehicles. : de en
  • DK64448C - Pipe socket that also carries the Coupling Parts attached to the Discharge Pipe. : da en
  • GB576966A - Attachment for lathe chucks and the like : en
  • US2399371A - Fishing tackle : en
  • US2399571A - Circulating compressor : en
  • ES12786U - Elastic fabric for belts or similar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909277A - Development of oscillators covering a wide range of frequencies : en fr
  • AU316046A - Improvements in and relating tothe manufacture of heterocyclic nitrogen compounds : en
  • US2399203A - Double seamer : en
  • ES12332Y - Matchbox with wind guard. : en es
  • ES173145A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FRIDGE : en es
  • US2399473A - Electronic devices : en
  • US2399195A - Confectionary product : en
  • US2399256A - Creping of webs with thin coatings of creping adhesive : en
  • US2399310A - System for cooling the charge flowing to internal-combustion engines : en
  • US2399427A - Wood bending apparatus : en
  • CH242249A - Process for the preparation of an aneurine derivative. : de en
  • AU1392044A - Improvements in or relating tonon-detonating deflagrating explosive compositions and delay combustion train devices obtained therefrom : en
  • AU1327044A - Improvements in and relating tothe covering of self-sealing fuel tanks : en
  • ES12790U - A didactic game (Machine-translation by Google Translate, not legally binding) : en es
  • US2399589A - Heater : en
  • US2399346A - Collapsible float for aircraft : en
  • US2399492A - Shoe construction : en
  • AU2398345A - Improvements in or relating to resinous compositions : en
  • ES12827U - New folding wooden chair. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399189A - Roller mounting for shells : en
  • US2399429A - Electron discharge device : en
  • US2399250A - Can end assembling machine : en
  • ES173011A1 - AN ELECTRO-CHEMICAL CONDENSER : en es
  • FR909086A - automatic fuel saver : en fr
  • FR909150A - Improvements in the construction of metal wheels : en fr
  • CA434523A - Cereal treating method : en fr
  • US2399407A - Chloroprene polymers : en
  • US2399409A - Generator control means : en
  • US2399483A - Flying boat base : en
  • USD144591S - Combination vanity and writing desk with clothes hamper seat : en
  • ES12801U - Improved device to obtain combined photographs. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399316A - Fluid meter : en
  • FR909265A - Device for obtaining a mixture of fluids under constant flow, the concentrations of which vary as a function of time : en fr
  • SU66185A1 - Differential thermometer : en ru
  • US2399240A - Alkylation of isoparaffins with olefins : en
  • US2399447A - Azo dyestuffs of the pyrazolone series : en
  • US2399292A - Cigarette or cigar lighter : en
  • FR909133A - Improvements to electricity meters : en fr
  • ES173057A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PHOTOELECTRIC CELLS : en es
  • AU1059643A - Improved spur : en
  • US2399158A - Filter pad : en
  • US2399560A - Apparatus for production of olefins and diolefins : en
  • USD144573S - Design for a portable barbecue : en
  • US2399566A - Toy : en
  • FR909233A - Sophisticated pantry : en fr
  • USD144582S - Design for a toy : en
  • US2399548A - Centrifugal pump : en
  • AU121323B2 - Improvements in spur gear drive transmission : en
  • AU293246A - Improvements in or relating to electric air-break circuit-breakers : en
  • CH242253A - Circuit arrangement for establishing a connection between carrier current devices by means of dialing calls and using storage means. : de en
  • ES12787U - Inviolable envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173052A3 - IMPROVEMENTS IN MAGNETO-ELECTRICAL MACHINES FOR IGNITION OF EXPLOSION ENGINES : en es
  • US2399284A - Stabilizer : en
  • FR909108A - Low pivot bogie : en fr
  • ES173095A3 - A DEVICE FOR THE CONTINUOUS DESCERATION OF MINERAL OIL : en es
  • US2399387A - Speed control system : en
  • CH242243A - Denture prosthesis with artificial teeth and a method for producing the prosthesis and device for carrying out this method. : de en
  • FR909115A - Device for bringing one or more gases into intimate contact with a liquid : en fr
  • CH242172A - Method and device for the production of sheets, sheets etc. (e.g. artificial leather sheets) from pulp. : de en
  • CA434507A - Wave length modulation system : en fr
  • GB576999A - An improved filter : en
  • ES12831U - Machine to carry out the cleaning of torpedo air chambers and other industrial uses. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173120A1 - A PROCEDURE FOR PREPARING RESIN COMPOSITIONS : en es
  • FR909095A - Wheel : en fr
  • FR909102A - Equipment for the continuous saccharification of plants : en fr
  • US2399178A - Process for the treatment of beryl : en
  • US2399534A - Etching device for rotogravure cylinders : en
  • ES12764U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12806U - Automatic heat regulation device for plates, saucepans and other electrical utensils. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399209A - Car construction : en
  • BE463804A - : en fr
  • US2399379A - Invasion parachute : en
  • CA434527A - Thermionic tube : en fr
  • FR909213A - Skill and instruction game : en fr
  • ES12797U - Table-tray for service of people lying down. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577009A - Improvements in or relating to fuze-setting apparatus : en
  • US2399321A - Pipe lining machine : en
  • US2399268A - Frequency modulation : en
  • CA434426A - Chimney-buffet : en fr
  • CA434425A - Thermo-electric switch mechanism : en fr
  • USD144562S - Design fob a bracelet ob similar abxicle : en
  • US2399194A - Process for electrodeposition of tin : en
  • AU323746A - Improvements in or relating to plasticized elastomer compositions : en
  • GB577027A - Improvements in or relating to percussive tools : en
  • US2399361A - Manufacture of cyanogen : en
  • US2399327A - Locking means for pressure chamber doors : en
  • AU132818B2 - Earth induction system : en
  • CA434494A - Frictional controlling device for rotating bodies : en fr
  • CH242200A - Waterproof box. : en fr
  • FR909124A - Aircraft bomb : en fr
  • GB577074A - Improvements in or relating to rivet loading devices : en
  • CH242169A - Process for improving the corrosion resistance of items made of stainless steels. : de en
  • BE464064A - : en fr
  • CA434433A - Abrasive article : en fr
  • US2399605A - Motorized lift truck : en
  • ES173087A1 - AN AUTOMATIC PRESS SYSTEM FOR INDUSTRIAL USES : en es
  • CA434468A - Release link : en fr
  • CA434444A - Strainer for vegetables and fruits : en fr
  • ES12779U - No text (Machine-translation by Google Translate, not legally binding) : en es
  • CA434466A - Collar can collar mounting : en fr
  • AU128714B2 - Improvements in or relating to tobacco leaf stemming machines : en
  • CH242129A - Dismountable bed frame. : de en
  • AU130358B2 - Improvements in and relating tothe manufacture of heterocyclic nitrogen compounds : en
  • CH242236A - Tilt generator for generating sawtooth-shaped vibrations. : de en
  • USD144585S - Design for a portable electric heater : en
  • CA434419A - Trouser hanger : en fr
  • CH242267A - Protector for the tread of rubber-tyred vehicle wheels. : de en
  • DK64454C - Horizontal Vacuum Cleaner with Preferably Cylindrical Housing. : da en
  • GB577040A - Improvements in liquid cosmetic make up foundation : en
  • AU1437044A - Screws : en
  • US2399285A - Novel composition of matter : en
  • US2399486A - Fluid-pressure engine : en
  • FR909111A - Manufacturing process for armed labels and the like : en fr
  • GB577070A - Improvements in thermionic cathodes for electric discharge devices : en
  • US2399477A - Cylindrical surface lapping machine : en
  • US2399293A - Constant velocity joint : en
  • CH242168A - Process to prevent rust formation on ferrous metals exposed to atmospheric influences. : de en
  • USD144579S - Design for a brooch or similar article : en
  • CA434442A - Shingle : en fr
  • FR909224A - Ruler for drawing horizontal lines and slanted lines at any angle on a vertical surface : en fr
  • US2399199A - Quick, high precision ball releasing mechanism : en
  • USD144549S - Design for suspenders : en
  • US2399565A - Dairy product : en
  • CH242207A - Process for the production of sintered hard metal tools. : de en
  • US2399497A - Plier structure : en
  • ES12829U - Counter of change of fractional metal coins. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173016A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB577077A - Improvements in multi-ply bearings : en
  • US2399430A - High-frequency electrical switch and contactor system : en
  • FR909113A - Improvements to lamp holders for luminous beacon devices : en fr
  • US2399231A - Dental instrument : en
  • US2399249A - Apparatus for the movement of viscous materials : en
  • US2399531A - Fixture for tubular lamps : en
  • AU1431444A - Improvements in or relating to welding rods : en
  • FR909220A - Piston for internal combustion engines : en fr
  • IE17360L - Polystyrenes ; coating compositions : en
  • CH242145A - Washing machine with motorized suction cup. : de en
  • CA434438A - Photographic enlarger : en fr
  • US2399396A - Wheel mounting means : en
  • AU1407144A - Improvements inthe manufacture of titanium pigments : en
  • US2399554A - Transmission and fluid pressure clutch mechanism therefor : en
  • PL33203B1 - Method of securing walls from moisture : en pl
  • US2399441A - Balanced amplifier system : en
  • USD144538S - Design fob a portable lubrication unit : en
  • AU121309B2 - Improvement in tires : en
  • AU276646A - Nitriding process : en
  • BE463715A - Improvements to the process for preparing furanone compounds : en fr
  • CH242198A - Waterproof winder. : en fr
  • CH242278A - Process for the preparation of a new pigment. : de en
  • CA434431A - Closure operator : en fr
  • CH242188A - Adjustable measuring disc for setting snap gauges. : de en
  • US2399470A - Cigarette case : en
  • CH242256A - Device for displaying the radiation of bundled high-frequency energy. : de en
  • US2399329A - Electrical follow-up system : en
  • US2399368A - Production of paraffins : en
  • CA434471A - Disc harrow : en fr
  • CA434486A - Spring suspension : en fr
  • US2399252A - Matrix assembler lever mechanism : en
  • AU121363B2 - Improvements relating to vibratory screens : en
  • CA434463A - Waterproofing treatment of material : en fr
  • CH242196A - Device for articulating glasses to a spectacle frame. : en fr
  • CH242141A - Device on sewing machines for creating an elastic seam. : de en
  • CH242204A - Process for the production of welding rods that are insensitive to sulfur. : de en
  • CA434524A - Sulphite process : en fr
  • GB576983A - Rolling tapered tubes : en
  • FR909284A - Remote automatic transhipment on overhead cables using the captive balloon system : en fr
  • GB577044A - Improved apparatus for the heat treatment of camshafts and the like : en
  • US2399294A - Hydraulic operator : en
  • US2399476A - Camera : en
  • US2399452A - Variable-speed transmission : en
  • US2399356A - Method of welding plates : en
  • USD144552S - Design for an embroidered trimming : en
  • AU310246A - Vacuum tube voltmeter : en
  • CA434454A - Brake control mechanism : en fr
  • CH242220A - Oler with elastic oil container. : de en
  • US2399481A - Ultra high frequency system : en
  • CA434420A - Venetian blind : en fr
  • AU1470444A - Improvements in or relating to abrasive articles and methods of making thesame : en
  • CA434477A - Photographic developer containing aminophenol derivative : en fr
  • USD144567S - Design for a soap dispenser : en
  • US2399232A - Opaque vitreous enamels : en
  • BE463856A - : en
  • BE463939A - : en fr
  • FR909184A - Live edibles and metallophores : en fr
  • FR909285A - Aviation safety by means of cabins or detachable seats equipped with automatic parachute opening devices : en fr
  • DK64465C - Wastewater separator. : da en
  • CA434495A - Non-cellulosic organic material bleaching : en fr
  • CH242171A - Process for the production of identification documents bearing a photograph of the owner. : de en
  • ES172862A1 - IMPROVEMENTS IN PHASE CONTROL DEVICES : en es
  • FR909130A - Tanker vehicle : en fr
  • US2399515A - Multiple quick disconnect coupling : en
  • CA434497A - Cellulosic textile material dyeing process : en fr
  • US2399547A - Article handling device : en
  • CA434505A - Electrical unit : en fr
  • FR909182A - New process for manufacturing cancalons and apparatus for making them : en fr
  • CH242275A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • CA434498A - Textile material discharge-printing : en fr
  • ES12825U - Device for support and removable articulation of the bed base in bed furniture. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577039A - Improvements relating to liquid-fuel burners and the like : en
  • CH242227A - Device for changing the stroke of engines whose pistons drive the crankshaft via a rocker arm. : de en
  • GB577020A - Improvements in or relating to abrasive compositions : en
  • CH242268A - Bicycle stand. : en fr
  • BE463776A - : en
  • CH242219A - Dispositif compensateur pour mécanisme de commande hydraulique à cylindre et piston. : en it
  • US2399435A - Fishing pole holder : en
  • AU130053B2 - Improvements in thermostatic regulators : en
  • CA434481A - Knitted fabric : en fr
  • AU315946A - Improvements in reservoir writing instruments : en
  • CA434483A - Yarn feeding device : en fr
  • US2399222A - Flash-photography apparatus : en
  • US2399226A - Vehicle spring suspension : en
  • USD144564S - Design for a bookmark : en
  • CA434430A - Strip serving machine : en fr
  • CA434520A - Photographic reproduction tolerance holding method : en fr
  • PL33202B1 - Spanner : en pl
  • USD144563S - Design for a bracelet or similar article : en
  • CA434416A - Sugar extraction process : en fr
  • CA434485A - Flexible chute : en fr
  • ES12338Y - Apparatus for sharpening the tailors' marking soaps. : en es
  • FR909093A - Device for adjusting the angular position of an axis : en fr
  • FR909252A - Artificial aging of wines and spirits by ultrasound : en fr
  • CH242252A - Method and circuit arrangement for automatic, logarithmic dynamic control in electroacoustic transmissions. : de en
  • FR909163A - Cycle frame : en fr
  • USD144574S - Design for a jet motor : en
  • CH242112A - Support structure for roofs and bridges. : de en
  • CH242113A - Process for the production of flat fiber-containing structures. : de en
  • CA434465A - Collar can collar mounting : en fr
  • ES172186A3 - A NEW SYSTEM WITH ITS CORRESPONDING DEVICES TO IMPROVE THE INJECTION PROCESSES PERFORMED THROUGH PLUNGERS : en es
  • FR909254A - Improvements made to supports for electric surgical instruments, in particular those for electric scalpels, for thermo-cauteries and the like : en fr
  • GB577025A - Improvements relating to thermostatically controlled valves : en
  • ES12792U - Rigid bed frame for osteoarticular beds, with central lifting mechanism. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576959A - Shaving mechanism : en
  • AU1445144A - Clutch driven hydraulic pump : en
  • CH242130A - Furniture with bed. : de en
  • FR909075A - Bend axle for vehicles, and method of manufacture thereof : en fr
  • CH242157A - Process for manufacturing sulfuric ether. : en fr
  • CH242165A - Process for the production of artificial structures from cellulose ethers. : de en
  • DK64461C - Hatch cover, especially for ship hatches. : da en
  • ES172894A1 - A RADIATOR AND FAN INSTALLATION IN AUTOMOTIVE VEHICLES WITH COMBUSTION ENGINE MOUNTED IN THE BOGA : en es
  • GB576953A - Improvements in or relating to the production of durable yeast preparations : en
  • CH242132A - Caster foot for furniture. : en fr
  • CA434424A - Display container : en fr
  • ES12708U - Sprayer of perfumes and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • CH242126A - Process for cleaning gases, in particular generator gases. : de en
  • US2399202A - Metal structure : en
  • US2399344A - Endoalkylene hydroaromatic acids : en
  • US2399380A - Double armature contactors : en
  • US2399513A - Piezoelectric transducer : en
  • ES173063A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR SPRAYING THE CONTROELECTRODE ON THE RECTIFIER DISCS : en es
  • FR909090A - Improvements to aircraft landing gear : en fr
  • GB577051A - Improvements in collapsible perambulators or push-chairs : en
  • FR909185A - Injection pump : en fr
  • GB576943A - Improvements in the production of 2-amino-4-methyl hexane and therapeutic compositions derived therefrom : en
  • FR909057A - : fr
  • ES172955A3 - A MODIFICATION DEVICE TO REDUCE DISTORTION IN MODULATED AMPLIFIERS : en es
  • US2399223A - Electron discharge device : en
  • US2399524A - Drapery and curtain tieback : en
  • FR909147A - pressure lifter for liquids : en fr
  • US2399417A - Walking tractor : en
  • FR909248A - Device allowing remote control of the position of actuators : en fr
  • GB577022A - Improvements in or relating to piezoelectric unit and method of making same : en
  • US2399388A - Regulating system : en
  • US2399602A - Cellulose ether composition : en
  • GB576945A - Improvements in and relating to bags or cartons of paper or the like material : en
  • ES172996A1 - IMPROVEMENTS IN THE MANUFACTURE OF SLIDES FOR ZIPPER CLOSURES : en es
  • US2399573A - Hydraulic circuit apparatus : en
  • PL33204B1 - Ij-fl 11] oz Sackcloth vase for conducting water, for fire-fighting purposes : en pl
  • US2399183A - Tube clamp : en
  • CH242160A - Process for the preparation of an azo dye. : de en
  • CH242257A - Feedback tube arrangement for ultra-short waves. : de en
  • US2399583A - Lockable control device : en
  • US2399258A - Novel filamentous product and method of making it : en
  • CH242119A - Mixture for the formation of a hydraulic mortar intended for the manufacture of concrete with high mechanical resistance. : en fr
  • CH242274A - Process for the preparation of a lactone of the cyclopentanopolyhydrophenanthrene series. : de en
  • FR909112A - Patience or trick game system : en fr
  • CA434455A - Fluid pressure mechanism : en fr
  • US2399411A - Mastic compositions : en
  • AU131274B2 - Radio beacons : en
  • US2399485A - Electric circuit breaker : en
  • GB577092A - Improvements in electric cut-out or protective apparatus suitable for polyphase circuits : en
  • US2399460A - Multiselector valve mechanism : en
  • USD144537S - Combined radio receiver, lamp, and ash tray : en
  • CH242273A - Furniture. : de en
  • US2399569A - Synchronizing clutch : en
  • USD144569S - Karoff combined bottle and closure : en
  • AU1421944A - Improvements relating to parachute packs : en
  • US2399446A - Centrifugal casting machine : en
  • USD144566S - Design fob a toy telephone : en
  • ES12834U - Cutting tongs of changeable blades. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173020A1 - A PROCEDURE FOR THE MANUFACTURE OF INSOLUBLE LAYER PREPARATIONS AND THEIR FORMATION ON THE VEHICLE TO WHICH THEY ARE APPLIED : en es
  • CH242285A - Process for the preparation of an acylated p-amino-benzene-sulfonamide. : de en
  • US2399241A - Container : en
  • FR909106A - Improvements made to pedal-operated velocipeds : en fr
  • ES171359A1 - A DEVICE FOR THE MANUFACTURE OF CONCRETE ELEMENTS : en es
  • FR909158A - Device for applying fixatives or cosmetics to the hair : en fr
  • IE17005L - Weaving fabrics : en
  • ES12297Y - Universal nozzle holder. : en es
  • ES172832A1 - IMPROVEMENTS IN ELECTRICAL CABLES : en es
  • FR909188A - Method of regulating the flow rate of injection pumps and device for its implementation : en fr
  • USD144551S - Design for a jacket : en
  • FR909136A - Improvement in electro-magnetic screens used in electrical and radio art : en fr
  • FR909259A - Finned hoses for tubular heat recovery systems : en fr
  • FR909179A - Improvements to elastic belts and girdles or other similar articles and their manufacturing process : en fr
  • FR909183A - Fuel injection process for heat engine and injection pump for its implementation : en fr
  • ES12820U - Closing or gasket for water pump of motors. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12796U - Apparatus for separating the egg yolks from the egg whites. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577075A - Improvements in and connected with glass melting tanks or furnaces : en
  • CH242260A - Circuit for phase modulation of an electrical oscillation. : de en
  • US2399544A - Pipe-line repair plug : en
  • FR909231A - Improvements made to sockets for accumulators or the like : en fr
  • FR909244A - Cooking pot : en fr
  • US2399536A - Fixture for assembling articles : en
  • AU307746A - u Improvements relating to electrical devices employing piezoelectric crystals : en
  • CA434458A - Article handling apparatus : en fr
  • CH242238A - Ring carrier with feed device on ring wrapping machines. : de en
  • CH242144A - Rope reel. : de en
  • CH242239A - Installation comprising a mercury vapor converter and a pumping device for the latter. : en fr
  • BE463741A - A light source comprising a high pressure mercury vapor lamp. : en fr
  • CA434459A - Transmission control system : en fr
  • CA434517A - Telegraph signal translating system and apparatus : en fr
  • US2399610A - Printer's line-up table : en
  • US2399592A - Method of making molded thermoplastic articles : en
  • CH242277A - Process for the preparation of a new pigment. : de en
  • FR909169A - Box which can be used as a cigarette holder, card box or similar article : en fr
  • CH242242A - Lighting fixture fitted with a socket. : de en
  • US2399469A - Secret signaling system : en
  • CA434532A - Portable power saw : en fr
  • US2399323A - Oil tank : en
  • CA434501A - Draft gear : en fr
  • CH242235A - Electrical resistance, which consists of a rod-shaped carrier wrapped with a wire or band-shaped resistance material. : de en
  • US2399169A - Door construction : en
  • USD144581S - Design fob a font of type : en
  • CH242290A - Process for the preparation of a soluble salt of 4,4'-di-amidino-a-e-diphenoxy-pentane. : de en
  • FR909210A - Food tablet made from dried milk : en fr
  • AU133019B2 - Rotary compressor or motor : en
  • US2399595A - Process for manufacturing acyloxy carboxylic acids : en
  • AU128876B2 - Improvements in or relating to resinous compositions : en
  • AU1397444A - Improvement in tires : en
  • CH242139A - Can for canned food. : de en
  • GB577007A - Improvements in or relating to fuel injection systems for internal combustion engines : en
  • US2399214A - Convertible alkyd resins : en
  • CA434443A - Combined printing and viewing arrangement : en fr
  • ES173005A1 - IMPROVEMENTS INTRODUCED IN THE FUNNELS FOR CONDENSING THE WAY OF STRETCHING BANKS OR SIMILAR TEXTILE MACHINES : en es
  • FR909116A - Mobile hanger for vault construction : en fr
  • US2399391A - Can testing and selecting device : en
  • US2399568A - Transmission mechanism : en
  • AU310646A - Improvements in. or relating to radio beacon systems forbearing determination by measurement of phase difference : en
  • CH242186A - Machine gun of larger caliber. : de en
  • AU132302B2 - Improvements in or relating to pipes pipe joints and methods of forming thesame : en
  • FR909132A - Delayed play brake linkage automatic compensating winch : en fr
  • BE463601A - : en
  • CH242254A - Modulation circuit. : de en
  • CH242214A - Transmission joint. : en it
  • AU1456944A - Improvements in metal drums for photographic films : en
  • CA434476A - Magazine heater : en fr
  • PL33209B1 - The method of producing coke briquettes. : en pl
  • AU130929B2 - Molding compositions containing polyvinyl acetal resins : en
  • AU219846A - Improvements in or relating to electric transformers : en
  • CH242259A - Hybrid circuit for connecting a two-wire line to the transmission and reception channel of a wireless two-way system. : de en
  • US2399451A - Power pulley : en
  • AU121304B2 - Cork extrusion apparatus : en
  • CA434461A - Diazine derivative : en fr
  • ES12305Y - Detachable luggage rack, applicable to bicycle handlebars and the like. : en es
  • ES172957A3 - IMPROVEMENTS INTRODUCED IN THE CONTROL DEVICES FOR BRAKES OF BICYCLES, MOTORCYCLES AND SIMILAR VEHICLES : en es
  • ES173056A3 - A NEW CONCRETE VIBRATION APPARATUS SYSTEM : en es
  • ES173061A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR ASSEMBLING GROUPS OF DISCS OR GRINDING PLATES IN SUITABLE PACKAGING : en es
  • GB577001A - Improvements in and relating to computing mechanism for the correction of gun sights : en
  • FR909157A - Flower perfume holder : en fr
  • US2399243A - Composition of matter suitable for use as a lubricant and lubricant comprising the same : en
  • US2399261A - Production of aviation fuel : en
  • US2399384A - Ventilating apparatus : en
  • CA434516A - Flexible packing or sealing ring : en fr
  • CH242241A - Relay-switch. : en fr
  • ES12337Y - New immovable stopper for tin, lead or rubber tubes, destined for pastes and creams. : en es
  • ES173025A1 - A NEW PROCEDURE FOR THE PREPARATION OF PURGANTS AND LAXANTS : en es
  • ES12782U - Sealing device for the hygienic protections of the nozzles of the siphon heads (Machine-translation by Google Translate, not legally binding) : en es
  • US2399581A - Locking or coupling pin, short shaft, and similar devices : en
  • USD144544S - Mirror frame or the like : en
  • ES12760U - Buffer buffering box. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12844U - Improved inkwell (Machine-translation by Google Translate, not legally binding) : en es
  • FR909238A - Board game played with dice : en fr
  • USD144543S - Scatter hug or similar article op manufacture : en
  • US2399558A - Organic cementing solutions : en
  • US2399159A - Sewing machine : en
  • US2399440A - Cylinder and dial knitting machine : en
  • GB577087A - Improvements relating to milk cooling devices : en
  • US2399229A - Alarm system : en
  • US2399239A - Machine for cutting tile and like workpieces : en
  • US2399471A - Dialyzer : en
  • FR909079A - Improvements in control devices for bicycles or similar vehicles : en fr
  • FR909067A - Individual electric control device for a grinding machine or the like : en fr
  • US2399588A - Method of processing by-product soaps for recovery of their acids free from detrimental alcohols, etc. : en
  • CA434469A - Tractor : en fr
  • US2399459A - Automatic fuel feed control for internal-combustion engines : en
  • CA434446A - Electrically operated cutoff valve : en fr
  • ES172585A1 - A PROCEDURE FOR THE ELABORATION OF ALL KINDS OF FATS AND INDUSTRIAL OILS AND GRAFFITIZED PASTES : en es
  • ES172949A3 - A UNITARY APPARATUS FOR CLARIFYING LIQUIDS : en es
  • ES173014A1 - IMPROVEMENTS IN THE TENSION BRAKE DEVICES OF THE TELESCOPE FOLDERS : en es
  • US2399302A - Combined latch and lock : en
  • US2399601A - Substituted imidazoles : en
  • CA434451A - Fuel injection apparatus : en fr
  • ES173010A1 - AN EXTRACTOR APPARATUS OF MINUTERS, MINUTES CANYONS AND WATCHES OF WATCHES : en es
  • FR909171A - Process for preparing toothpaste products and new products resulting therefrom : en fr
  • GB577095A - Improvements in or relating to the wheels of tractor vehicles : en
  • ES173036A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ROLLING CABRIAS TO RAISE AUTOMOBILES : en es
  • ES12809U - Charging-fountain pens (Machine-translation by Google Translate, not legally binding) : en es
  • ES173021A1 - A PROCEDURE FOR THE ELABORATION OF INFLATABLE STARCH PRODUCTS : en es
  • FR909162A - Makeshift area with standardized rapid installation elements for airfields : en fr
  • ES12778U - Teaspoon. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909062A - Compressed air circuit breaker with several break intervals arranged in series : en fr
  • FR909229A - Self-closing, non-manually operated gaseous fluid valve, more particularly for use by glassblowers : en fr
  • CH242272A - Electric heating and drying device. : en fr
  • US2399220A - Apparatus for cutting metal : en
  • US2399533A - Soap tray : en
  • US2399237A - Polishing material and process of preparing same : en
  • ES12765U - Pneumatic hammer for free tool (Machine-translation by Google Translate, not legally binding) : en es
  • FR909101A - Correction system for amplifiers : en fr
  • US2399181A - Method of making fastener studs : en
  • PL33201B1 - Central heating boiler : en pl
  • US2399498A - Flower holder for cemetery use : en
  • USD144539S - Combined electric lampstand and clock : en
  • AU121373B2 - Improvements in metal drums for photographic films : en
  • AU310046A - Indicating system : en
  • CH242117A - Attachment for chimneys and ventilation ducts. : de en
  • FR909225A - Loudspeaker enhancements : en fr
  • GB577043A - Electrical apparatus for chemical analysis : en
  • FR909125A - Beams by link elements : en fr
  • FR909155A - Improvements to photographic enlargers : en fr
  • CH242128A - Heatable mirror. : de en
  • DK64447C - Electrolysis cell. : da en
  • GB577038A - Improvements in and relating to dynamo electric machines : en
  • US2399510A - Steam turbine oils : en
  • US2399352A - Generator and motor : en
  • US2399475A - Art of raising sunken ships : en
  • FR909263A - Prefabricated element tank : en fr
  • GB577037A - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • USD144559S - Textile fabric or similar article : en
  • FR53553E - : fr
  • ES12312Y - Portable lamp for lighting. : en es
  • AU121346B2 - Improved lawnmower : en
  • CH242181A - Device for opening envelopes. : de en
  • US2399216A - Flying aircraft carrier : en
  • CA434479A - Handcuffs : en fr
  • ES173126A1 - IMPROVEMENTS IN PAINT SPRAY APPLIANCES : en es
  • US2399597A - Anthelminthic : en
  • US2399426A - Remote detection and control system : en
  • US2399434A - Sulphonated ethers : en
  • US2399187A - Frame element for machine tools : en
  • US2399448A - Speed indicator : en
  • PL33200B1 - The method of obtaining concentrated aqueous solutions of vitamin H. : en pl
  • AU214546A - Improvements in or relating tothe manufacture of rubber transformation products : en
  • US2399590A - Joint for collapsible containers : en
  • FR909243A - Constant heating calorimeter : en fr
  • AU136310B2 - Improvements relating to self-baking electrodes for electric furnaces : en
  • AU165346A - Improvements in or relating to tobacco leaf stemming machines : en
  • GB576956A - Apparatus for measuring the thickness of tubes, plates or the like, particularly at points situated at comparatively great distances from the ends or edges of the articles : en
  • US2399450A - Superheating gases : en
  • US2399263A - Car coupler mechanism : en
  • CH242271A - Bee scales. : de en
  • CA434445A - Land irrigating apparatus : en fr
  • US2399503A - Testing apparatus of the vibratory motion type : en
  • AU1450344A - Improvements in and relating to electrode holders for electric arc welding : en
  • CH242155A - Process for preparing acetals. : en fr
  • US2399455A - Process for preparing starch acetate : en
  • CA434500A - Tin plating from potassium stannate bath : en fr
  • CH242217A - Stop valve for water pipes combined with a drain cock. : de en
  • AU225446A - Improvements in thermostatic regulators : en
  • CH242197A - Central seconds timepiece. : en fr
  • US2399262A - Extrudable polymer composition : en
  • US2399277A - Lubricating apparatus : en
  • US2399188A - Die set and method of manufacture thereof : en
  • US2399324A - Inflated softball : en
  • US2399248A - Depth charge projector : en
  • US2399201A - Power transmitting mechanism : en
  • US2399271A - Boring bar : en
  • BE463757A - : en fr
  • ES172902A3 - A PROCEDURE FOR THE MANUFACTURE OF VANILLIN : en es
  • FR909228A - Non-slip hoof protector : en fr
  • CH242255A - Tuning device in a radio device. : de en
  • CA434522A - Locator : en fr
  • CH242114A - Tiled roof. : de en
  • US2399224A - Conversions of hydrocarbons : en
  • ES173035A1 - A PROCEDURE FOR OBTAINING PROSTHESIS : en es
  • GB576949A - Improvements in or relating to towing eye adaptors for vehicles : en
  • FR909103A - Improvements in the manufacture of spring mattresses, cushions, etc. : en fr
  • FR909232A - Salad bowl : en fr
  • US2399599A - S-ureido-l : en
  • CH242179A - Copy frame. : de en
  • CA434512A - Fuse construction : en fr
  • CH242226A - Internal combustion engine. : de en
  • US2399297A - Frequency indicator for vibrating reed type alternators : en
  • AU1282844A - Spiral filaments : en
  • ES173127A1 - IMPROVEMENTS IN WIRE AND CABLE TESTING AND MEASURING DEVICES : en es
  • US2399402A - Electrical connecting and radioshielding means : en
  • CH242150A - Process for the preparation of dispersions. : de en
  • AU121350B2 - Improvements in or relating to abrasive articles and methods of making thesame : en
  • CH242269A - Bicycle crank key, for fixing the crank arm to the axle. : en fr
  • AU1422244A - Improved lawnmower : en
  • CH242110A - Insert piece for a shear device which is arranged at the end of a handle and can be actuated by a cable pull, in particular for cutting trees. : de en
  • US2399162A - Liquid applicator : en
  • US2399234A - Pulverized fuel burner : en
  • US2399357A - Heat exchanger : en
  • US2399290A - Chucking and driving device : en
  • US2399175A - Duplicating machine : en
  • GR10648B - PULP FOR THE MANUFACTURE OF PYRIA. : el en
  • US2399179A - Coating composition and method of : en
  • AU121348B2 - Clutch driven hydraulic pump : en
  • AU1432644A - Improvements in release hooks for aircraft andthe like : en
  • ES172995A1 - AN ELECTRICAL DRIVING SYSTEM FOR TELESCOPES : en es
  • ES173067A1 - AN ELECTRICAL CONTROL UNIT : en es
  • GB577056A - Improvements in and relating to a camera objective holder mount : en
  • ES173017A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FLUID TRANSFUSIVE APPARATUS AND ESPECIALLY BLOOD : en es
  • FR909065A - Panel for partition walls of buildings or other applications : en fr
  • US2399576A - Spotting board attachment : en
  • ES12824U - Lever adaptable to the filing folders of correspondence and documents in general. (Machine-translation by Google Translate, not legally binding) : en es
  • USD144586S - Design fob a juice extractor : en
  • CA434429A - Tape serving machine : en fr
  • US2399325A - High-frequency-oscillation generator or amplifier : en
  • GB576974A - Improvements in or relating to methods of preparing coatings : en
  • GB577086A - Improvements relating to foam-producing apparatus : en
  • FR909241A - Stiffener for shirt collars and similar applications : en fr
  • GB576948A - Improvements in or relating to electric signalling systems : en
  • US2399414A - Resilient mounting : en
  • ES12793U - A double articulated bed for patients or operated (Machine-translation by Google Translate, not legally binding) : en es
  • ES173022A1 - A PROCEDURE FOR OBTAINING DRY STARCH PREPARATIONS, SOLUBLE IN COLD WATER : en es
  • FR909081A - Device for cooling by air operable the end of the gasifier hearth nozzles : en fr
  • FR909087A - Small power blower : en fr
  • ES172981A1 - A SHARPENING MACHINE OF TAPE SAWS AND CIRCULARS : en es
  • FR909257A - Improvements to multi-tube water tube steam boilers : en fr
  • FR909074A - High flow wet cell battery : en fr
  • GB577033A - Improvements in or relating to projectiles : en
  • GB577058A - Improvements in or relating to optical computation devices : en
  • ES12761U - Accumulator of reduced dimensions, applicable to pocket flashlights and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12592U - Cap for fixing strands or cables on the wall or plate they pass through. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6024U - Toy gun. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173068A1 - A REMOTE CONTROL INSTALLATION BY THE PULSE SYSTEM : en es
  • ES173139A1 - AN ELECTRICAL FACSIMILE TRANSMISSION SYSTEM : en es
  • GB577029A - Improved device for the sealing of joints : en
  • ES173092A1 - AN APPARATUS FOR THE CONSTRUCTION OF DUELAS, PREFERABLY APPLYING IN MINES : en es
  • US2399466A - Metalworking : en
  • USD144596S - Housing for a power lawn mower : en
  • ES12828U - Bicycle handlebar-headlight. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399247A - Dehydrating apparatus : en
  • FR909269A - Process for the desulphation and regeneration of lead-acid batteries : en fr
  • FR909186A - Process for the preparation of aminocarbonic acids for : en fr
  • FR909216A - Manufacturing process for shoes or slippers : en fr
  • GB577080A - Method and device for the location of faults, depth determination and tracing of electrical conductors : en
  • ES12345Y - Device for the presentation of photographs and drawings and the like. : en es
  • US2399303A - Bevel, level, and protractor instrument : en
  • GB576975A - Hose clamps : en
  • FR909077A - Blade for safety razor and razor fitted with this blade : en fr
  • ES172759A1 - IMPROVEMENTS IN CONNECTION PLUGS FOR ARMED ELECTRICAL CABLES : en es
  • ES173147A1 - IMPROVEMENTS INTRODUCED IN THE SCAFFOLDING STRUCTURES : en es
  • ES12301Y - Device to secure nuts and bolts. : en es
  • FR909295A - Letter-Envelope Improvements : en fr
  • FR909206A - Cooling radiator for all liquids : en fr
  • FR909246A - Improvements to thermal de-icing devices, in particular for aerodynes : en fr
  • FR909159A - Device for the application, on the hair, of dye products or tonics and tonics : en fr
  • FR909299A - Sound system by loudspeaker, in particular t station. s. f., amplifier, loudspeaker, etc. : en fr
  • FR909104A - Additional saddle for cycle : en fr
  • BE464189A - Clothes rack for shop windows : en fr
  • US2399235A - Comforter : en
  • ES172654A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR STRAIGHTENING WIRE : en es
  • ES173032A1 - IMPROVEMENTS IN THE JET WASHING APPLIANCES : en es
  • GB576941A - Improvements in directive wireless systems : en
  • US2399296A - Hydraulic movement transmitting system : en
  • US2399186A - Shield assembly for aircraft : en
  • AU1459844A - Manufacture of tapered stock : en
  • AU132291B2 - Improvements in or relating tothe production of coated sheet or film : en
  • CH242147A - Wallwood for rolling out plastic masses. : de en
  • GB576973A - Improvements in or relating to conveyors : en
  • FR909052A - Modulation system : en fr
  • FR909214A - Polycylindrical internal combustion machine with opposed pistons : en fr
  • US2399331A - Arc welding system : en
  • CA434460A - Fluorescent lamp operating mechanism : en fr
  • US2399233A - Process for the opacification of vitreous enamels : en
  • US2399403A - Yarn feeding device : en
  • BE463701A - : fr
  • CA434493A - Mirror or reflector : en fr
  • CA434535A - Aluminum coating method : en fr
  • GB577065A - Improved alloy : en
  • CA434450A - Ski fitting : en fr
  • US2399526A - Nut lock : en
  • GB576938A - Production of new organic silicon compounds : en
  • US2399454A - Wrench : en
  • US2399491A - Outlet box support : en
  • GB577026A - Improvements in optical measuring instruments and/or gauges : en
  • FR909061A - Device for varying the volume of the compression chamber or engine explosion : en fr
  • CH242149A - Apparatus for separating and fractionating substances by forming foams and separating the liquid contained in these foams. : en fr
  • ES173019A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES12311Y - Box-case for sanitary use. : en es
  • GB577000A - Improvements in or relating to hinge fittings for gates : en
  • GB577023A - Improvements in and relating to self-closing ladies' handbags : en
  • GB576960A - Improvements in or relating to screw-down steam stop and like valves of the lift type : en
  • GB577047A - Improvements in and relating to sutures : en
  • FR909099A - Improvements to pneumatic remote control mechanisms : en fr
  • FR909286A - Steering bearing for cycles and motorcycles : en fr
  • AU121312B2 - Guard for presses : en
  • CH242199A - Device for driving the barrel axis by friction, for winding a timepiece. : en fr
  • ES11639Y - Tensioning device for shirt collars. : en es
  • FR909275A - Hydraulic differential : en fr
  • GB577034A - Improvements in and relating to the manufacture of alkali metal sulphides : en
  • ES10768Y - Universal scientific calendar for all years of all centuries. : en es
  • ES173082A1 - AN ELECTRICAL SWITCH APPARATUS : en es
  • CA434496A - Non-cellulosic organic material bleaching : en fr
  • US2399305A - Dimension measurement : en
  • ES12339Y - Automatic dispenser for powders : en es
  • US2399161A - Process for producing glues and adhesives from keratin protein materials : en
  • ES173004A1 - A MECHANISM FOR LOADING THE RING CONTINUOUS STRETCHING CYLINDERS : en es
  • ES173138A1 - ONE CARBONATOR AND DISPENSER DEVICE : en es
  • FR909197A - New cider rack for hydraulic presses : en fr
  • US2399190A - Post driving attachment for post hole diggers : en
  • ES173084A1 - AN IMPROVEMENT IN THE MANUFACTURE OF CELLULOSE SPONGES : en es
  • USD144592S - Design for a combined chair and magazine rack : en
  • FR909082A - Seamless braided flat metal cables : en fr
  • FR909123A - Projectile launching method and apparatus for its implementation : en fr
  • GB576996A - Improvements in or relating to filter presses : en
  • AU1262944A - Differential amplifiers : en
  • GB576997A - Improvements in or relating to detachable grate bar construction for travelling grate : en
  • ES173109A1 - A PROCEDURE FOR COUPLING ELECTRICAL INSTALLATIONS, LUMINOUS DEVICES FOR AUTOMATIC CONTROL, REDUCED INTENSITY AND ADAPTABLE TO SECURITY SYSTEMS : en es
  • ES12804U - Sanitary spittoon hand. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12817U - Closure for monkey, jacket or similar garment, which provides double service. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172860A1 - IMPROVEMENTS IN THE PROCEDURE AND APPARATUS FOR EXAMINING METALS : en es
  • ES173123A1 - IMPROVEMENTS INTRODUCED IN POSTAL SECURITY CLOSURE SYSTEMS : en es
  • GB577072A - Manufacture of hard carbides : en
  • US2399507A - Combustion engine : en
  • USD144536S - Design for a font of numerals : en
  • ES172674A1 - SOME IMPROVEMENTS IN THE MECHANISMS OF DRIVING BICYCLES TO PEDAL : en es
  • IE17370L - Styrene interpolymers; coating compositions : en
  • ES12340Y - Rotating and continuous automatic balance for acids and liquids. : en es
  • US2399348A - Bending mechanism : en
  • US2399320A - Nursing bottle support : en
  • USD144561S - Design for a bracelet or : en
  • ES173113A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MOBILE BAKING OVENS : en es
  • FR909078A - Wire guide device for winder : en fr
  • ES12757U - Locking closure, applicable to purses, bags, cases, boxes and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909054A - Improvement in photoelectric cells : en fr
  • FR909255A - mine prop : en fr
  • USD144575S - Design for a brooch or similar article : en
  • FR909072A - Fruit packaging, advanced : en fr
  • ES12394U - Nail for horseshoes. (Machine-translation by Google Translate, not legally binding) : en es
  • AU121344B2 - Method of and apparatus for heating textile fibres : en
  • US2399490A - Heater : en
  • GB577050A - Improvements relating to apparatus for drying air for fluid pressure braking apparatus : en
  • AU121334B2 - Improvements relating to surgical dressings : en
  • US2399359A - Baby carriage : en
  • USD144572S - Design for a stereoscope casing : en
  • CA434457A - Slicing machine : en fr
  • ES12802U - Picture perfected for bicycles (Machine-translation by Google Translate, not legally binding) : en es
  • US2399309A - Grooving tool : en
  • ES172915A3 - IMPROVEMENTS IN AND RELATED TO PERCUSSION SPOLETS FOR EXPLOSIVE PROJECTILES : en es
  • US2399512A - Production of halogenated hydrocarbons : en
  • US2399496A - Desulphurization process : en
  • CH242228A - Fuel injection pump for internal combustion engines. : de en
  • AU131939B2 - Improvements in or relating to electrical pickups for gramophones : en
  • CA434491A - Pump system : en fr
  • US2399347A - Synthesis of vitamin bs : en
  • CH242265A - Device for automatic monitoring of the temperature of a bulk material flowing out of a silo, in particular a flow of grain during the transfer. : de en
  • DK64460C - Vacuum tapping machine. : da en
  • FR909066A - Radio wave receiver and reception installation : en fr
  • CH242187A - Apparatus for measuring groove-shaped recesses in cylindrical surfaces, in particular threads. : de en
  • GB577055A - Improvement in air gages for internal dimensions : en
  • AU1380444A - Improvements in or relating tothe preparation ofa sulfanilylamidine : en
  • AU318846A - Improvements in or relating to calculating equipment : en
  • US2399390A - Radio-shielded connection, especially for spark plugs : en
  • US2399586A - Balanced modulator system : en
  • US2399422A - Apparatus for cooling extruded plastics : en
  • USD144601S - Design for a paper punch : en
  • USD144595S - Design for a medicine cabinet : en
  • FR909278A - Rear hub combined with a freewheel with ramps, for bicycles, tandems or the like : en fr
  • US2399319A - Washing machine transmission and support : en
  • US2399392A - Netted fabric : en
  • USD144593S - Design for a spoon or similar article : en
  • CH242264A - Box with closure. : de en
  • CA434418A - Bottle holder : en fr
  • AU121328B2 - Improved body harness support fora liquid container : en
  • ES12777U - New type of hinges (Machine-translation by Google Translate, not legally binding) : en es
  • GB577030A - Improvements relating to electric fuse distribution boxes : en
  • US2399399A - Wiper blade connector : en
  • US2399350A - Automatic gravity safety switch : en
  • US2399527A - Carrying means for radio chassis and the like : en
  • AU121352B2 - Improvements in or relating to picker mechanism for circular knitting machines : en
  • CH242182A - Ski binding. : de en
  • AU121353B2 - Frequency control system : en
  • US2399543A - Shoe and the like : en
  • FR53572E - : fr
  • GB577014A - Improvements in speed control systems : en
  • GR10649B - LOST INSTRUMENT APPLIANCE ESTABLISHING WITH REDUCED THERMAL LOSS, AUTOMATIC STABILIZATION OF TEMPERATURE AND SIGNIFICANT TEMPERATURE. : el en
  • US2399345A - Esters of endoalkylene hydroaromatic acids : en
  • ES12833U - New device for public lighting of open spaces and large-scale premises (Machine-translation by Google Translate, not legally binding) : en es
  • GB577021A - Improvement in or relating to aromatic amine-aldehyde resinous products : en
  • FR909226A - compartmentalized case : en fr
  • FR909070A - Paper objects such as toys, models, etc., and raw material for their making : en fr
  • GB576958A - Ventilation and exhaust pipe cooling in boats : en
  • GB576995A - Hardenable compositions containing urea-aldehyde resins : en
  • US2399225A - Vitreous cellular materials : en
  • US2399192A - Dehydration of transformer oils : en
  • BE464157A - : en fr
  • CA434521A - Photographic emulsion applying method : en fr
  • CA434462A - Bushing for electrical apparatus : en fr
  • ES12316Y - Cartridge or ampoule for loading fountain pens. : en es
  • FR909059A - Adjustable fork-type tolerance gauge : en fr
  • USD144535S - Design for a toothbrush holder : en
  • USPP686P - Geranium plant : en
  • CH242173A - Relay plate for quick view files. : de en
  • US2399312A - Coupling sleeve puller : en
  • US2399338A - Method of laminating porous sheet materials : en
  • ES172986A3 - A METHOD OF PRODUCING CENTRIFUGAL CASTED PARTS : en es
  • FR909289A - Improvement of saucepans and other similar containers : en fr
  • CA434531A - Eye shield : en fr
  • CH242116A - Procedure for determining the impact resistance in non-rocky grounds. : de en
  • ES173059A1 - IMPROVEMENTS IN CHARGING DEVICES FOR HIGH POWER SYSTEMS AT ULTRA-HIGH FREQUENCIES : en es
  • FR909202A - Milking bucket and aseptic filter : en fr
  • CH242237A - Variable capacitor for high voltages, which is arranged in an envelope closed from the outside air. : de en
  • AU121316B2 - Manufacture of tapered stock : en
  • GB576980A - Improvements in anti-syphonage means for use in flushing systems : en
  • CA434427A - Electric razor : en fr
  • ES173097A1 - A NEW SUSPENSION SYSTEM FOR BIKES : en es
  • US2399171A - Lubricating apparatus : en
  • US2399579A - Protractor : en
  • US2399405A - Transmission lock : en
  • GB577008A - Improvements in and relating to catalysts : en
  • BE461093A - : fr
  • CH242276A - Process for the preparation of a new pigment. : de en
  • PL33206B1 - A method of joining ready-made concrete or reinforced concrete construction elements and an insert for carrying out the method. : en pl
  • FR909167A - Use of the root of alstonia spathulata of the apocynaceae (commonly called `` coy-mop '' in the Indochinese language) as soundproofing material : en fr
  • GB576981A - Improvements in and relating to washing machines : en
  • US2399551A - Method of selective carburizing : en
  • US2399596A - Pallet truck : en
  • GB577019A - Method and arrangement for synchronizing alternating voltages : en
  • AU129365B2 - Improved means forthe detection and measurement of magnetic fields : en
  • CA434511A - Electrical fuse : en fr
  • ES172017A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • US2399339A - Safety fluorescent lamp guard for closed end reflectors : en
  • USD144599S - Design fob a spoon or the like : en
  • CA434456A - Fluid pressure control mechanism : en fr
  • ES11427Y - Cap, with attached device for extraction. : en es
  • ES173071A1 - A CONTACT ARRANGEMENT IN ELECTRICAL CONTROLLER EQUIPMENT : en es
  • ES173118A1 - AN ELECTRICAL RESPIRÓGRAFO APPARATUS, CLOSED CIRCUIT AND FORCED CIRCULATION, FOR FUNTIONAL EXAMINATIONS OF LUNG AND BASAL METABOLISM : en es
  • US2399167A - Tank filler : en
  • US2399334A - Cooling agent dispenser : en
  • US2399295A - Electromagnetic operator : en
  • US2399367A - Series capacitor protection : en
  • US2399553A - Aircraft fire extinguishing system : en
  • CH242138A - Container fitted with a closure device. : en fr
  • ES173102A1 - A PROCEDURE FOR THE MANUFACTURE OF TOWELS : en es
  • BE463602A - Cinematographic film and its preparation process : en fr
  • ES12799U - Hand filter or strainer. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909282A - Crampon for shoes : en fr
  • FR909242A - Safety valve : en fr
  • AU1460244A - Improvements in or relating to chain drive assemblies : en
  • CH242151A - Process and device for the production of insoluble to sparingly soluble, at room temperature solid or viscous organic substances with acidic character. : de en
  • US2399549A - Bottle carrier : en
  • ES12798U - Instrument to fish scale. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576957A - Adjusting device for varying the release point of overload release devices : en
  • GB577005A - Improvements in or relating to high frequency electron discharge apparatus : en
  • USPP684P - Geranium plant : en
  • FR909144A - Improvements to diving clothes : en fr
  • FR909208A - Centrifugal electric regulators : en fr
  • GB576986A - Improvements in the operating mechanism of snap-action electric switches : en
  • US2399170A - Calculating machine : en
  • US2399415A - Arc welding system : en
  • AU298846A - Improvements in or relating to heat-resisting capacitors : en
  • US2399322A - Modified characteristic relaying apparatus : en
  • US2399472A - Rotating valve : en
  • CA434513A - Fuse construction : en fr
  • US2399197A - Trough supporting means : en
  • CH242270A - Transport system, especially for skiers. : de en
  • USD144545S - Radio cabinet or the like : en
  • BE463637A - : en
  • CH242287A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • FR909198A - Centrifugal device for loading and unloading airplanes in flight : en fr
  • AU1506444A - Improvements in or relating to picker mechanism for circular knitting machines : en
  • US2399163A - Barbecue machine : en
  • US2399360A - Drum tilting arc : en
  • AU1454144A - Improvements in or relating to seal constructions : en
  • DK64462C - Badminton marker. : da en
  • BE463917A - Process for treating vegetable matter to obtain paper pulp. : en fr
  • US2399499A - Carboy crate : en
  • AU102946A - Improvements in or relating to gyroscopic instruments for navigation andthe like : en
  • AU133278B2 - Improvements in or relating to pressure control devices ior fluid compressors : en
  • CH242131A - Dismountable furniture. : de en
  • US2399529A - Paper cutter : en
  • US2399561A - Loose-leaf binder : en
  • CH242233A - Power cable joint comprising an electrical stress distribution device with capacitors. : en fr
  • US2399600A - Substituted 4, 4'-diaminodiphenyl sulphones and process of making same : en
  • ES173040A1 - AN APPARATUS FOR STRAWING NAILS OR TIPS : en es
  • GB577067A - Improvements in aluminium-rich alloys : en
  • GB577081A - Cooled x-ray tube head : en
  • CA434452A - Regulating valve : en fr
  • US2399198A - Press : en
  • USD144540S - Design fob a plate developer : en
  • US2399341A - Cupola installation and charging system therefor : en
  • US2399173A - Light signal : en
  • USD144588S - Design for a toy shovel : en
  • US2399397A - Marking or embossing machine : en
  • ES12165Y - Wall ashtray. : en es
  • ES173007A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR909266A - Device for blasting, in particular by means of sand or shot : en fr
  • US2399260A - Filamentous product : en
  • USD144600S - Design foe a vacuum cleaner casing : en
  • FR909260A - Tubular heat recovery unit : en fr
  • GB576963A - Improvements in or relating to colour photography : en
  • FR909056A - Control device for the switch-off arm of electrical circuit switches : en fr
  • US2399228A - Conveyer mechanism : en
  • US2399286A - Unsaturated esters and polymers thereof : en
  • FR53594E - : fr
  • FR909271A - Wheelbarrow training : en fr
  • GB576982A - Improvements in or relating to the concentration of minerals by froth flotation : en
  • US2399374A - Magazine hammer : en
  • ES7106U - Set of envelopes in the form of leaves. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576950A - Improvements in or relating to dry shaving apparatus : en
  • IE17677L - Electrical consumption control : en
  • ES173124A1 - A DEVICE FOR THE MOLDING OF ALLOYS : en es
  • ES12860U - Improved nozzle, for packaging of the type commonly called "siphons". (Machine-translation by Google Translate, not legally binding) : en es
  • FR53554E - Urea and resin emulsifier and cleaning product : en fr
  • FR909172A - Articulated, removable and adjustable sole that adapts to all shoes : en fr
  • ES163199A1 - A PROCEDURE FOR THE MANUFACTURE OF VINYL CHLORIDE : en es
  • US2399564A - Garment insert : en
  • GB577013A - Improvements in and relating to the manufacture of thiophenols : en
  • GB577071A - Apparatus for ascertaining at any moment the state of at least one periodically recurring occurrence : en
  • US2399279A - Adjustable crutch : en
  • GB577084A - Improvements in or relating to supporting-frames for spring-upholstered articles of furniture : en
  • DK64451C - Electric Discharge Tube with at least two Control Grids. : da en
  • US2399180A - Sublimation apparatus : en
  • FR909083A - Hydromechanical device for controlling movements : en fr
  • FR909140A - Improvements to electronic oscillators with continuous frequency variation : en fr
  • ES173060A3 - IMPROVEMENTS IN ELECTRICAL CONTROL SYSTEMS : en es
  • GB577045A - Improvements in and relating to precast reinforced concrete roofs : en
  • ES166068A1 - A PROCEDURE TO MANUFACTURE CHARCOAL ELECTRODES : en es
  • AU130981B2 - Improvements in or relating to heat-resisting capacitors : en
  • GB576951A - Cycle pedal : en
  • ES11540Y - Extendable hanger. : en es
  • FR909088A - Improved chimney bolster : en fr
  • GB576946A - An adjustable hinge for gates, doors and the like : en
  • GB576968A - Improvements in and relating to bags or cartons of paper or the like materials : en
  • ES172044A1 - A FALLEBA FOR CLOSURES OF BALCONIES AND WINDOWS : en es
  • US2399603A - Alkamido cellulose ethers and process of making same : en
  • ES173034A1 - A PROCEDURE FOR THE PROTECTION OF IDENTITY DOCUMENTS THAT MAKES THEM UNALTERABLE : en es
  • FR909217A - Decorative ball for Christmas trees: l : en fr
  • AU121369B2 - Improvements relating to parachute packs : en
  • ES12847U - Cigarette for dessert. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909055A - Relief cinematography process : en fr
  • US2399251A - Impact wrench : en
  • US2399495A - Circuit interrupter : en
  • US2399317A - Airplane strut and the like : en
  • GB576977A - Improvements in presses for rackets : en
  • GB577015A - A process for the production of water gas and like synthesis gases : en
  • US2399343A - Magnetic housing for electromagnetic devices : en
  • USD144550S - Design for a dkess : en
  • CA434449A - Electrolyte for polishing metal surfaces : en fr
  • CA434492A - Biotin recovering process : en fr
  • US2399462A - Electric switch : en
  • ES12822U - Table for bicycles and analogues with guide tube applications (Machine-translation by Google Translate, not legally binding) : en es
  • FR909122A - Improvements to tapping devices : en fr
  • ES173047A1 - A NEW FISHING ART SYSTEM : en es
  • FR909156A - Multiple table filing desk : en fr
  • US2399488A - Halogenation of unsaturated organic compounds : en
  • US2399607A - Process of making vanillin : en
  • CH242206A - Automatic turning machine. : en fr
  • CH242215A - Centrifugal machine serving as a water brake. : de en
  • FR909141A - Device for suspending any power lines or overhead cables : en fr
  • US2399591A - Method and apparatus for producing carbon black : en
  • DK64455C - Window, preferably Front window, or equivalent Interface. : da en
  • ES173037A2 - HIGH PRESSURE MERCURY VAPOR ELECTRIC DISCHARGE LAMP : en es
  • GB576952A - Improvements relating to sliding doors : en
  • FR909151A - Improvement to transparent and movable protective screens such as those used in greenhouses, conservatories and the like : en fr
  • FR909227A - Cigarette holder : en fr
  • FR909209A - Device guiding an operator in manual work, in particular for filing : en fr
  • FR909142A - Improvement in heating devices such as stoves : en fr
  • FR909165A - Improvements to network protection devices : en fr
  • CH242118A - Electric water heater with electrodes. : de en
  • ES12803U - Frames for presentations of twins and simians (Machine-translation by Google Translate, not legally binding) : en es
  • ES172845A1 - A PROCEDURE FOR MANUFACTURING TWO-SIDED OR REVERSIBLE GLOVES : en es
  • DK64457C - Upright carousel machine for making Tavestof objects. : da en
  • US2399282A - Method of peeling potatoes : en
  • US2399559A - Treatment of mixed textile fibers : en
  • ES173024A1 - A PROCEDURE FOR THE MANUFACTURE OF THE FINES OF THE MACHINE MACHINES : en es
  • ES172761A3 - IMPROVEMENTS IN ELECTROSENSIVE RECORDING SHEETS : en es
  • ES173030A3 - A FILTRATION METHOD : en es
  • US2399210A - Car construction : en
  • US2399330A - Plasticized compositions : en
  • ES172456A1 - IMPROVED IMPROVEMENTS IN THE ELASTICITY SYSTEMS OF THE REAR SUSPENSION OF MOTORCYCLE WHEELS : en es
  • ES173031A1 - IMPROVEMENTS MADE IN THE PREPARATION OF ANTI-DETONATING COMPOUNDS : en es
  • GB577083A - Improvements in or relating to mattresses : en
  • IE17029L - Malt extract syrup : en
  • US2399333A - Toy : en
  • ES12318Y - Hair dryer. : en es
  • CH242212A - Device for tensioning wire. : de en
  • US2399395A - Process for making styrene from methyl phenyl carbinol : en
  • US2399504A - Dehydrating method and apparatus : en
  • ES12314Y - Folding chair. : en es
  • US2399444A - Strainer insert for hydraulic accumulators : en
  • FR909164A - Transmission mechanisms for vehicles : en fr
  • CA434474A - Sheet metal plate flanging means : en fr
  • CH242205A - Welding process. : de en
  • US2399442A - Tool : en
  • AU1381444A - Improved means for picking and drying tobacco leaves : en
  • FR909146A - Improvements in the locks of trunks, cases and the like : en fr
  • FR909288A - Doormat made with waste chrome and sole felt : en fr
  • US2399410A - Process of making shoes : en
  • US2399552A - Safety razor : en
  • USRE22750E - Disinfectant : en
  • GB576978A - Apparatus for icing bakery goods : en
  • PL33208B1 - Recommended for chamotte and ceramic items : en pl
  • US2399484A - Heat exchanger : en
  • GB577061A - Improvements in furnaces particularly applicable for the heat treatment of metal : en
  • US2399505A - Throttle and pressure control : en
  • US2399336A - Latchable electromagnetic contactor : en
  • US2399474A - Hydraulic servomotor : en
  • FR909127A - Electromagnetic transmission and braking mechanism with reverse gear applicable more particularly to machine tools : en fr
  • US2399413A - Aviation gasoline : en
  • CA434448A - Variable electrical condenser : en fr
  • ES11435Y - Perfected Memo. : en es
  • ES12299Y - Shelf that can be transformed into a bed. : en es
  • US2399489A - Coating compositions for paper and the like : en
  • GB576970A - Improvements in apparatus for rendering saline water potable : en
  • ES12836U - Clinical thermometer perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909272A - Combination tab and hanging loop for trouser suspenders or other garment : en fr
  • ES11699Y - Containers for canned meat and fish. : en es
  • ES172937A1 - IMPROVEMENTS IN TRANSPORTERS FOR THE DEVELOPMENT OF ITINERARIES : en es
  • FR909131A - Bodywork ring, seal or bead : en fr
  • US2399523A - Control system and device therefor for submarine mines : en
  • USD144571S - Design fob a game board : en
  • FR909105A - Improvements to ball, roller or needle bearings : en fr
  • AU1219643A - Cork extrusion apparatus : en
  • CA434519A - Knitting machine : en fr
  • CH242174A - Device for removing individual sheets from a stack by means of friction rollers. : de en
  • DK64464C - Device for lamella-type dryers. : da en
  • US2399572A - Sealing tubeless pneumatic tire : en
  • US2399582A - Electrical inspection and sorting apparatus : en
  • US2399342A - Apparatus for determining mold cavity pressure : en
  • US2399289A - Apparatus for purifying liquids : en
  • US2399517A - Shockproof electromagnet : en
  • USRE22749E - Locking sectional handle : en
  • USD144560S - Design for an eye shade ob similar article : en
  • GB577011A - Improvements in time fuzes for projectiles : en
  • ES12302Y - Bracket to attach the gearbox to bicycles. - : en es
  • ES173130A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB576939A - Cheese and process of producing the same : en
  • CA434525A - Tractor and tank track : en fr
  • FR909119A - Construction method and construction elements for its implementation : en fr
  • DK64452C - X-ray machine with control means connected for automatic achievement of maximum load. : da en
  • ES12308Y - Perfected terminals for metal drum handles. : en es
  • CH242202A - Process for the production of aluminum. : de en
  • AU121362B2 - Improvements in and relating tothe covering of self-sealing fuel tanks : en
  • US2399393A - Tree pruning saw : en
  • AU121307B2 - Improvements in or relating tothe preparation ofa sulfanilylamidine : en
  • US2399254A - Electroplating : en
  • BE462672A - Improvements to processes for plasticizing, regenerating and reworking vulcanized rubber : en fr
  • USPP685P - Geranium plant : en
  • ES172859A1 - IMPROVEMENTS IN THE PREPARATION OF A SOLID ALPHA-METHYL-PARA-METHYL STYRENE DIMER : en es
  • ES173002A3 - A UNITARY FLOCULATION AND SEDIMENTATION APPARATUS : en es
  • US2399266A - Voltage regulator : en
  • US2399482A - Switch operating mechanism : en
  • FR909199A - Liquid product that heals vines and trees and can also be used to disinfect premises : en fr
  • FR909273A - Method of destroying all land or air objectives : en fr
  • GB576971A - Improvements in the preparation of cation-exchange materials : en
  • AU303246A - Altimeter : en
  • DK64456C - Regenerators, in particular for hot air motors, and methods for producing a filler for such regenerators. : da en
  • ES12821U - Fan for wagons, cars and other carriages. (Machine-translation by Google Translate, not legally binding) : en es
  • USD144558S - Design for a vacuum cleanek casing : en
  • AU130341B2 - Improvements in or relating tothe manufacture of selenium elements such as rectifiers : en
  • AU134076B2 - Improvements in or relating to calculating equipment : en
  • CH242121A - Method for connecting secondary lines to accessible main lines running under or across a street. : de en
  • US2399328A - Circuit breaker : en
  • US2399218A - Aircraft landing gear : en
  • US2399257A - Jig : en
  • US2399556A - Fire extinguisher : en
  • USD144598S - Design foe a fork or the like : en
  • CH242201A - Waterproof case for watch movements and measuring devices. : en fr
  • CH242209A - Process for the vulcanization of rubber objects. : de en
  • ES12781U - Small fuel pump for lighters. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576988A - Means for minimising the formation of dust by the action of pneumatic tools on stone or other materials : en
  • CH242176A - Typewriter keyboard. : en fr
  • ES173144A1 - A SYSTEM OF TISAJE FOR THE MANUFACTURE OF FABRICS AND, OR DIRECT MANUFACTURE ON MOLDS OF CLOTHES OR OBJECTS IN CONTINUOUS FABRIC : en es
  • FR909230A - Special motor for concrete breakers, rock drills and other mechanical hammers : en fr
  • US2399404A - Precision pressure measuring press : en
  • US2399428A - Garment : en
  • AU1420844A - Improvements in or relating tothe manufacture of magnesium hydroxide : en
  • US2399340A - Distillation of aromatic olefins : en
  • US2399580A - Steering wheel attachment : en
  • BE463999A - automobile headlight. : en fr
  • CA434502A - Cold forging machine : en fr
  • CH242109A - Green forage silo. : de en
  • CH242282A - Current transformer device. : de en
  • US2399519A - Truck : en
  • ES12832U - Portable antenna (Machine-translation by Google Translate, not legally binding) : en es
  • ES173018A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • US2399369A - Writing machine : en
  • CA434473A - Thread insert : en fr
  • US2399375A - Walking apparatus for excavators : en
  • CH242263A - Barrel made of light metal. : de en
  • US2399546A - Apparatus for distributing stock to the cylinder of paper machines : en
  • AU1351744A - Improved apparatus for use in shaping diamonds : en
  • BE463640A - : en
  • CH242191A - Process for the control of objects according to the reflection principle by pulse-wise emission and re-reception of high-frequency vibrations. : de en
  • AU121358B2 - Spiral filaments : en
  • US2399363A - Regulating system : en
  • US2399465A - Dust preventive composition : en
  • US2399594A - Machine tool : en
  • CH242108A - Seed drill. : de en
  • CA434417A - Stabilized therapeutic agent : en fr
  • CH242208A - Extrusion press. : en it
  • CH242190A - Radio navigation procedure. : de en
  • ES173015A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • US2399288A - Measuring instrument : en
  • USPP683P - Geranium plant : en
  • CH242167A - Process for the production of threads, fibers, tapes, films and similar objects. : de en
  • CH242240A - Electromagnetic device with U-shaped yoke and rotating armature. : de en
  • AU1283044A - Tuning indicator : en
  • CA434467A - Damping fluid : en fr
  • CH242280A - Ski binding. : de en
  • CH242127A - Holder. : de en
  • US2399609A - Furnace : en
  • US2399217A - Airplane carrier glider : en
  • ES12310Y - Radiator for domestic heating. : en es
  • FR909126A - Process for the production of ointments : en fr
  • CH242291A - Process for the preparation of a p-amino-benzenesulfonamide. : de en
  • US2399521A - Wax compositions : en
  • US2399518A - Golf bag carrier : en
  • US2399164A - Dehydration process : en
  • US2399206A - Process : en
  • USD144583S - Design for an electric heater : en
  • US2399200A - Range input and hand control unit for aircraft turret guns : en
  • US2399378A - Table and seat structure : en
  • ES172745A3 - IMPROVEMENTS IN OR RELATED TO THE MANUFACTURE OF ELECTRICAL INSULATING MATERIALS : en es
  • US2399165A - Distributor : en
  • US2399349A - Production of fumarodinitrile : en
  • CH242211A - Razor with a comb drum and process for the manufacture of the same. : de en
  • AU1402644A - Treatment of wort forthe production of beer : en
  • CA434436A - Wave riding speed vessel : en fr
  • US2399557A - Starting circuit for gas filled discharge tubes : en
  • ES173028A1 - A PROCEDURE FOR CONSTRUCTION OF BUILDINGS WITH SPECIAL PARTS THAT CONSTITUTE THE PARAMETERS AND THE FORMWORK FORMWORK BY THEMSELVES : en es
  • CA434506A - Metal article protection : en fr
  • CA434518A - Printing telegraph apparatus : en fr
  • CH242177A - Process for the production of photographic images in three colors. : en fr
  • CA434428A - Trench digging machine : en fr
  • USRE22751E - Process of treating fatty : en
  • CH242245A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • US2399311A - Overload relay : en
  • BE463974A - : en fr
  • US2399493A - Change-speed mechanism : en
  • CA434439A - Vulcanized blown rubber article : en fr
  • FR909098A - Economical central heating boiler with hot water or low pressure steam, fitted with regulator-recuperator devices : en fr
  • GB576998A - Improvements in arrangements for preventing false switching operations with lines provided with electric short-circuit protective devices : en
  • US2399193A - Fishing trap and method : en
  • US2399412A - Circuit interrupter : en
  • US2399335A - Cosmetic appliance : en
  • AU1259844A - Improvements in and relating to vulcanised or sulphurised oil compositions and to products or articles of manufacture produced withthe aid thereof : en
  • CA434475A - Crimped fibrous glass producing apparatus : en fr
  • US2399269A - Hydraulic brake system : en
  • AU998543A - Frequency control system : en
  • AU292846A - Molding compositions containing polyvinyl acetal resins : en
  • US2399242A - Land mine : en
  • US2399267A - Cleaning method : en
  • CH242284A - Compressed gas switch with cut-off resistor. : de en
  • AU1284344A - Modification of drying or semi-drying oils : en
  • US2399479A - Nitrogenous ester : en
  • GR10645B - AUTOMATIC DRINK METER. : el en
  • CH242258A - Feedback tube transmitter for ultra-short waves. : de en
  • ES172998A1 - IMPROVEMENTS IN FACSIMILE TRANSMISSION SYSTEMS : en es
  • FR909251A - Improvements made to flags, in particular signal flags : en fr
  • US2399606A - Centrifugal casting : en
  • CA434533A - Shaped metal product manufacture : en fr
  • US2399575A - Electromagnetic switch : en
  • US2399372A - Rotary cutting tool : en
  • USD144570S - Figurine or similar article : en
  • US2399494A - Life raft : en
  • CH242261A - Device for joining pieces of paper, cardboard, cellulose film or similar material placed one on top of the other. : de en
  • AU121337B2 - An improved method of and apparatus for packing or canning food andother plastic substances : en
  • AU131947B2 - Improvements in or relating to gyroscopic instruments for navigation andthe like : en
  • CA434478A - Electrical musical apparatus : en fr
  • AU179346A - Improvements in or relating tothe manufacture of selenium elements such as rectifiers : en
  • FR909181A - Process for manufacturing a resin-like binder : en fr
  • FR909253A - Improvement in security locks : en fr
  • CA434447A - Electrical heating element : en fr
  • ES12759U - Flyscreen tape not adhesive. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399520A - Hydraulic system : en
  • AU121326B2 - Tuning indicator : en
  • ES12320Y - Spraying device for veterinary use and the like. : en es
  • ES172861A1 - IMPROVEMENTS IN THE LACQUER MANUFACTURING PROCEDURE : en es
  • GB576991A - Method and apparatus for flushing foreign matter from bearings : en
  • CH242230A - Gas heater with a post-heating surface coated with the flue gases. : de en
  • AU134653B2 - Nitriding process : en
  • CH242180A - Automatic mechanical pencil. : en fr
  • US2399550A - Packing : en
  • US2399332A - Amusement ride : en
  • US2399215A - Glider : en
  • AU133473B2 - Vacuum tube voltmeter : en
  • AU121313B2 - Improvements in release hooks for aircraft andthe like : en
  • US2399587A - Fuel metering and distributing means : en
  • US2399236A - Micrometer : en
  • CH242125A - System with heat storage to utilize solar heat. : de en
  • FR909085A - Method and device for heating by laminar combustion of gas inside dark-ray tubes : en fr
  • ES12818U - Universal joint for floor lamps. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399408A - Electrical convenience outlet : en
  • ES8220Y - New cash register : en es
  • FR909189A - Transport chute made up of rolled side profiles between which is mounted a bottom plate serving as a transport path : en fr
  • AU121322B2 - Improvements in or relating to welding rods : en
  • DK64459C - Pumping plant for Buttermilk, Whey and similar Dairy products. : da en
  • CA434432A - Sheet stretcher-levelling and flanging machine : en fr
  • CH242225A - Engine for rear motor vehicles. : de en
  • US2399383A - Mineral wool apparatus : en
  • ES12298Y - Inkwell. : en es
  • AU121355B2 - Device for measuring angles : en
  • AU1334444A - Improvements relating to vibratory screens : en
  • AU134447B2 - Indicating system : en
  • US2399314A - Semiconducting composition and tape produced therefrom : en
  • USD144542S - Design for a scatter rug or similar article of manufacture : en
  • CH242107A - Gardening tool for crumbling the soil. : de en
  • CH242178A - Photosensitive plate. : en fr
  • AU121359B2 - Modification of drying or semi-drying oils : en
  • AU1414044A - Method of and apparatus for heating textile fibres : en
  • ES173066A1 - A PROCEDURE FOR OBTAINING FUMIGATION COMPOUNDS : en es
  • CH242136A - Paper filters for beverages for insertion in drinking vessels. : de en
  • US2399191A - Production of slivers of artificial fibers : en
  • US2399281A - Leveling bar for coke ovens or the like : en
  • US2399207A - Auxiliary wheel and tire carrier : en
  • USD144534S - Fountain pen barrel or similar article : en
  • USRE22748E - xx - xx - - x : en
  • AU1203543A - Device for measuring angles : en
  • US2399274A - Electrical device : en
  • US2399353A - Alkylation process : en
  • US2399468A - Engine cylinder and head connection : en
  • AU121340B2 - Improved means for picking and drying tobacco leaves : en
  • US2399376A - Filing system : en
  • CH242223A - Internal combustion engine with reciprocating pistons rotating in opposite directions. : de en
  • US2399287A - Unsaturated esters and polymers thereof : en
  • US2399530A - Bomb selector : en
  • ES12807U - Binding system for files and loose-leaf books (Machine-translation by Google Translate, not legally binding) : en es
  • FR909100A - Calibrated frequency generator : en fr
  • CA434528A - Textile material treatment : en fr
  • US2399364A - Tractor hitch : en
  • ES172831A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF SPECIAL MORTARS WITH RAW MATERIALS APPROPRIATE TO THE CONSTRUCTION OF PLATES, MOLDINGS, SANITATION AND COVERINGS FOR THE CONSTRUCTION OF HOUSES : en es
  • FR909168A - Improvements to liquid ring gas generators : en fr
  • ES173080A1 - A PROCEDURE FOR THE MANUFACTURE OF FLOORS OR FLOORS FOR FOOTWEAR, BASED ON VEGETABLE FIBERS, MINERALS OR ANIMALS, OR THEIR MIXTURES, WITH OR WITHOUT REINFORCEMENTS : en es
  • ES173119A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTICLES OF SYNTHETIC RESIN : en es
  • GB577006A - Improvements in apparatus for setting the fuzes of projectiles : en
  • ES172490A1 - A PROCEDURE FOR THE CONTINUOUS INDUSTRIAL MANUFACTURE OF MAGNETIC CARBONATE, SIMULTANEOUSLY WITH MAGNETIC HYDROXIDE, HYDRATION CALCIUM SULFATE, PRECIPITATED CALCIUM CARBONATE AND CARBONIC ANHYDRIDE, FROM MARINE WATER AND OTHER MAGNESIAN WATERS, BY INTERMEDIATE OF LIMESTONE STONE AND ANALOGUE MINERALS : en es
  • FR909190A - Acorn nut manufacturing process : en fr
  • US2399555A - Balanced suction tumbler : en
  • GR10647B - GASOLINE FUCKING MACHINE SILENT. : el en
  • AU132185B2 - Improvements in or relating to electric transformers : en
  • AU132262B2 - Modulator Systems : en
  • FR909279A - Lightweight projectile without casing and smooth-bore weapons and without extractor : en fr
  • FR909145A - Hydraulic adjustment device applicable to roller mills and similar machines : en fr
  • FR909292A - Improvements to Swedish bread-making machines : en fr
  • FR909300A - Manufacturing process of organic products derived from the chemical mechanism of assimilation in plants : en fr
  • AU320846A - A method of preventing butyric acid fermentation in cheeses : en
  • USD144587S - Design for a vise : en
  • FR909068A - Mechanical wrench : en fr
  • GB576979A - Improvements in or relating to washing or like machines used in laundries : en
  • FR909247A - Utensil for opening cans of condensed milk : en fr
  • ES12808U - Attack device, in two directions, for the injection of air into the tires. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909148A - Advanced training in sound recording and reproducing devices : en fr
  • GB576947A - Chain-shifting mechanism for variable-speed chain gear of cycles and the like : en
  • ES12839U - Metallic fastening device for shoulder pads in uniform. (Machine-translation by Google Translate, not legally binding) : en es
  • FR53555E - : fr
  • FR909160A - Automatic control device for lathe work such as threading and the like : en fr
  • GB576940A - Preserves and process of producing the same : en
  • GB577094A - Improvements in drafting apparatus for drawing, spinning and like textile machines : en
  • CH242279A - Process for the production of a new pigment dye. : de en
  • FR909089A - Improvement in pedaling propulsion : en fr
  • GB577032A - Computing mechanism for use with fluid dispensing apparatus : en
  • GB577002A - Improvements in electric remote control systems, suitable for the control of aerial bombs and other purposes : en
  • FR909109A - Improvements to plates and discs having graduations and needles rotating above them : en fr
  • ES12391U - Case for pencil or lipstick. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172992A1 - IMPROVEMENTS IN THE MANUFACTURE OF CARBURETORS FOR EXPLOSION ENGINES : en es
  • ES172993A1 - IMPROVEMENTS INTRODUCED IN THE PERCUSSION TOOLS : en es
  • GB577066A - Improvements in or relating to rangefinders : en
  • FR909110A - Building block molding machine : en fr
  • FR909280A - Device for reading the indications given by the measuring devices : en fr
  • FR909287A - Slow and continuous combustion heater : en fr
  • GB576990A - An improved gas-blast electric circuit-breaker with a flowing extinguishing medium for interrupting the arc : en
  • ES12290Y - Coffee filter cup. : en es
  • FR909245A - Transformation enclosure for transporting or handling fluids or solids of any kind : en fr
  • ES172041A1 - A NEW PROCEDURE TO FACILITATE AND ACTIVATE THE COMBUSTION OF CARBONS AND SIMILAR : en es
  • ES172999A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC CABLES : en es
  • ES173000A1 - IMPROVEMENT IN OR RELATED TO THE CONTROL OF A SERIES OF ELECTRICAL CONTACTS : en es
  • FR909178A - Reciprocal control system of the position of combined moving parts with remote control by line or by radio : en fr
  • FR909205A - Ground coil circuit breaker : en fr
  • GB576965A - Improvements in pulverising mills : en
  • FR909212A - Roofing material and rapid constructions : en fr
  • CH242289A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • FR909296A - Fixing device for sockets and switches : en fr
  • US2399461A - Aerial airfield : en
  • CH242154A - Process for the preparation of vinyl esters of carboxylic acids. : de en
  • ES12791U - Foldable stroller for children. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399522A - Scabbard : en
  • GB576992A - Improvements relating to electric cartridge fuses : en
  • USD144576S - Brooch or similar article : en
  • FR909149A - Improvements to sound recording and reproducing devices : en fr
  • ES12794U - Expansion vessel-tanks for hot water heating installations. (Machine-translation by Google Translate, not legally binding) : en es
  • ES170622A1 - IMPROVEMENTS INTRODUCED IN THE PROCEDURES FOR OBTAINING DEHYDRATED FOOD PRESERVES : en es
  • FR909249A - Support method and device : en fr
  • US2399443A - Desiccated virus vaccines and process of producing same : en
  • US2399584A - Mechanical collator : en
  • US2399418A - Reeling device for strip metal : en
  • CA434422A - Line drier : en fr
  • US2399326A - Pressure relief valve : en
  • US2399463A - Holder and applicator for cosmetic liquids and the like : en
  • ES142721A1 - A great drafting mechanism for spinning machines. : en es
  • ES173070A1 - A OPERATION OF VIA RELAYS : en es
  • US2399506A - Aminoalkanols of arylacetic acids : en
  • GB576967A - Improvements in or relating to a device for discharging cohesive solids from an endless support : en
  • CH242134A - Thermal insulation device on cooking vessels. : de en
  • US2399172A - Lubricant pump : en
  • USD144546S - Design for a coat : en
  • CH242234A - Cable system. : de en
  • FR909176A - Rolling friction screw and nut, in particular for motor vehicle steering mechanisms and the like : en fr
  • DK64449C - Coupling to automatic Phase switching and consequent Countercurrent braking of a three-phase AC motor. : da en
  • GB577090A - Improvements in and relating to grinding-wheels and the dressing thereof : en
  • GB577041A - Improvements relating to cartridge case testing machines : en
  • FR53578E - : fr
  • GB577036A - Improvements in or relating to the launching of torpedoes : en
  • CA434504A - Conductor unit for electrical wiring systems : en fr
  • US2399464A - Dust preventive composition : en
  • US2399358A - Crib rail support : en
  • USD144589S - Design fob a game board : en
  • GB576937A - Improved methods of welding joints : en
  • GB577096A - Improvements in or relating to reservoir pens : en
  • FR909207A - Gyratory Crusher Shaft Suspension : en fr
  • IE16987L - Crankshafts : en
  • FR909201A - Universal marking device : en fr
  • FR909258A - Masonry in rubble or other waste : en fr
  • US2399445A - Web breaker : en
  • ES172994A1 - A NEW VEHICLE SYSTEM WITH MOTOR COUPLED TO THE DIFFERENTIAL : en es
  • CA434515A - Cellulose ether manufacturing process : en fr
  • US2399212A - Disintegrator drill : en
  • US2399307A - Antisweep anchorage for mines of the marine type : en
  • USD144548S - Design for a font of type : en
  • FR909114A - Injection pump with distribution by spool with beveled edge adjustment : en fr
  • BE463924A - : en fr
  • ES172989A1 - A PROCEDURE WITH ITS CORRESPONDING DEVICE, TO OBTAIN MOLDED BANDS ATTACHED TO THE COURT OF THE SHOES, IN THE MANUFACTURE OF RUBBER FLOORS UNITED TO THE SAME : en es
  • ES173049A1 - A NEW FUEL GASIFIER FOR LIGHTING : en es
  • AU1380144A - Improvements relating to surgical dressings : en
  • AU314346A - Improvements in or relating to pressure control devices ior fluid compressors : en
  • FR909091A - Convertible case : en fr
  • FR909250A - Multiple combination barrier : en fr
  • ES6206Y - Scooter style vehicle, powered by pedal. : en es
  • GB576985A - Means for securing parts by bolting : en
  • GB577063A - Means for supplying liquids to grinding, cutting or other machines : en
  • US2399570A - Material treating apparatus : en
  • USD144568S - Design for a portable bar : en
  • FR909222A - Process for manufacturing a resin soap and soaps conforming to those obtained by this process : en fr
  • ES12814U - Expansive stainless steel caliber for pitting olives. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577031A - Improvements in or relating to knife-edge bearings : en
  • ES173115A1 - A PROCEDURE FOR MANUFACTURING A NEW PRODUCT THAT APPLIES TO CRYSTALS, MAKES VISIBLE, THROUGH THESE MICROBIOS EXISTING IN THE SPACE : en es
  • GB576987A - Improvements in or relating to staples : en
  • GB577057A - An improved method of metallising the leaves of plants and other vegetable elements for the production of ornaments : en
  • GB577052A - Improvements in preformed building blocks : en
  • ES12661U - Bag to pack parachutes and facilitate their deployment quickly. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12845U - Muescador for books and files. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172743A1 - IMPROVEMENTS IN THE MANUFACTURING METHODS OF ELECTRICAL POWER CABLES : en es
  • ES173033A1 - A NEW PHOTOGRAPHIC PROCEDURE FOR THE CREATION OF IDENTITY DOCUMENTS, ON NON-SENSITIZED SUPPORTS : en es
  • ES172972A1 - A SYSTEM OF ELECTROMECHANICAL MANEUVER FOR THE OPERATION OF SUPERAUTOMÁTICO OF DOORS OF CABINS AND OF LIFT AND ELEVATOR CANCELS AND ELECTRICAL MONTACARGAS : en es
  • ES12789U - Protective caps, with clamping device, for note pads. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909094A - Direct-fired air heater with helical fan : en fr
  • USD144541S - Combined chip holder and ash tray : en
  • CH242183A - Playground capable of serving as a slide or swing. : en fr
  • US2399593A - Television signal separator : en
  • AU121314B2 - Improvements in and relating to electrode holders for electric arc welding : en
  • AU133474B2 - Improvements in. or relating to radio beacon systems forbearing determination by measurement of phase difference : en
  • CH242146A - Tie holder. : de en
  • FR909153A - Concrete construction process in prefabricated elements : en fr
  • USD144553S - Design fok an embroideked trimming : en
  • US2399604A - Receptacle : en
  • US2399386A - Sound detecting system : en
  • US2399467A - Heating apparatus and system : en
  • AU130984B2 - A method of preventing butyric acid fermentation in cheeses : en
  • CH242164A - Process for the production of a tanning condensation product. : de en
  • CH242266A - Apparatus for mounting and centering metal spoked wheels, in particular bicycle wheels. : en fr
  • US2399278A - Power steering device for vehicle combinations : en
  • GB577012A - Improvements in or relating to periscopes : en
  • GB577049A - Wall skirtings : en
  • US2399355A - Compounds of the naphthoquinone : en
  • US2399436A - Scaffold construction : en
  • CH242286A - Process for the preparation of a condensation product. : de en
  • US2399425A - Adapter for broken drills : en
  • US2399351A - Control system : en
  • US2399423A - Heating apparatus : en
  • CH242246A - Process for the preparation of a diphenylalkyl derivative. : de en
  • AU132090B2 - Improvements in reservoir writing instruments : en
  • FR909058A - Spring starter : en fr
  • FR909187A - Process for the preparation of linear high molecular weight polythiourethanes : en fr
  • ES173134A1 - IMPROVEMENTS IMPROVED IN FREE SPROCKETS FOR SPEEDS : en es
  • AU1242743A - An improved method of and apparatus for packing or canning food andother plastic substances : en
  • AU129420B2 - Improvements in or relating to combined rate of turn and bank and like indicators, particularly for aircraft : en
  • CH242133A - Method of handling food cans containing a dish and apparatus for practicing the same. : de en
  • CH242162A - Process for the preparation of an aqueous emulsion of a coal tar pitch. : de en
  • US2399540A - Precombustion cracking process : en
  • CH242142A - Process for producing elastic yarn. : en it
  • US2399176A - Duplicating machine : en
  • US2399246A - Dehydrating method and apparatus : en
  • US2399166A - Cutter chain : en
  • US2399382A - Directional antenna system : en
  • ES172591A1 - A PROCEDURE AND APPARATUS FOR DESALING SALT WATERS : en es
  • ES12841U - Push-buttons and front plates with push buttons and bakelite and ebonite for devices, accessories and in general electric control devices (Machine-translation by Google Translate, not legally binding) : en es
  • FR909071A - Curv-canaliform lift plane : en fr
  • FR909107A - Improvements in the manufacture of rollers intended for printing on fabrics and similar materials : en fr
  • FR909293A - Protection device for polyphase electrical system : en fr
  • US2399219A - Apparatus for cutting metal : en
  • USD144597S - Design for a clamp : en
  • US2399337A - Display rack : en
  • FR909294A - Hinged side wall for vehicles and hinge for this wall : en fr
  • FR909192A - One-piece composite slabs in reconstituted or natural wood : en fr
  • AU1114743A - Improvements in ploughs : en
  • CA434435A - Closure for bottles, jars, etc. : en fr
  • CH242232A - Transformer with iron core at intermediate potential and thrust winding. : de en
  • USD144594S - Design for a medicine cabinet : en
  • FR909297A - Fuse junction box : en fr
  • US2399255A - Method and apparatus for balancing : en
  • AU121370B2 - Screws : en
  • CH242222A - Steam or gas turbine for high working medium temperatures. : de en
  • ES173041A1 - A PROCEDURE FOR THE OBTAINING OF ARTIFICIAL WOOD PLATES : en es
  • AU121374B2 - Improvements in ploughs : en
  • AU1430644A - Guard for presses : en
  • GB577024A - Improvements in and relating to electrical plugs : en
  • AU310146A - Earth induction system : en
  • CH242166A - Process for the production of shaped products from polyvinyl chloride and shaped product obtained by this process. : en fr
  • GB576972A - Improvements in or relating to aerial photography : en
  • AU103046A - Improvements in or relating to combined rate of turn and bank and like indicators, particularly for aircraft : en
  • BE463973A - : fr
  • FR909060A - Machine for manufacturing and modeling ceramic products : en fr
  • CH242158A - Method of making a stilbene derivative. : de en
  • CH242210A - Surface grinding machine. : de en
  • CA434440A - Resin impregnated sheet or board : en fr
  • USD144555S - Design for a beverage dispenser : en
  • GR10646B - CIGARETTE TABLE DEVICE WITH THEIR EXPORT HANGER. : el en
  • AU308246A - Improvements in or relating to pipes pipe joints and methods of forming thesame : en
  • GB577093A - Improvements in or relating to power operated saws : en
  • ES12813U - Protective glasses against glare and the action of external agents. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12826U - Wooden pulley manufactured in block and in series. : en es
  • ES12783U - Anchor drill. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12811U - Device for securing parts to tubular shafts. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12795U - Hot water storage tank for thermosyphon, intended to be installed at the direct pressure of the water pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909118A - Independent wheel cycle : en fr
  • FR909152A - Improvements to heating and cooling devices for gaseous fluids : en fr
  • FR909139A - Improvements to telephone systems : en fr
  • ES170641A1 - A PROCEDURE TO TREAT FILAMENTARY MATERIAL : en es
  • ES172954A1 - A DEVICE FOR THE EXAMINATION OF METALS : en es
  • ES173083A1 - IMPROVEMENTS IN THE MANUFACTURE OF CELLULOSE SPONGES : en es
  • AU1299444A - Improved body harness support fora liquid container : en
  • FR909121A - Clasp for ladies' bags and similar receptacles : en fr
  • FR909154A - Machine for automatic metalworking more particularly for reworking : en fr
  • GB577046A - Improvements in and relating to devices for maintaining the blades of safety razors in sharpened or shaving condition : en
  • GB577076A - Improvements in valves for fluid control : en
  • CH242247A - Process for the preparation of sulfanilamide derivatives. : de en
  • ES12785U - Case to hold pencils and other objects. (Machine-translation by Google Translate, not legally binding) : en es
  • AU121375B2 - Improvements in or relating to chain drive assemblies : en
  • CH242161A - Process for the preparation of a chromable monoazo dye. : de en
  • FR909143A - Device for adjusting the ignition moment of a magnesium flash lamp in photographic cameras : en fr
  • BE463848A - : en
  • AU121368B2 - Differential amplifiers : en
  • US2399528A - Length in terms of weight measuring device : en
  • CH242216A - Device for cooling a movable member passed through the wall of a hollow body for hot gases. : de en
  • CH242120A - Process for the production of bitumen, respectively. Mixtures containing tar. : de en
  • AU121371B2 - Method of and means for testing the supplementary fuel valve on vacuum controlled carburettors : en
  • CA434484A - Flexible chute : en fr
  • US2399230A - Automatic electric starter : en
  • US2399298A - Fishing line sinker : en
  • US2399283A - Extension table slide : en
  • US2399385A - Sandblasting apparatus and the like : en
  • CA434529A - Yarn holder : en fr
  • US2399204A - Glass run channel : en
  • USD144580S - Design fob a font of type : en
  • BE464176A - : en fr
  • CH242185A - Toy in the form of gymnastics equipment with gymnast. : de en
  • US2399275A - Fitting for flared tubing : en
  • PL33207B1 - Hand-held weaving loom with pump bottle. : en pl
  • CH242203A - Process for electric arc welding. : de en
  • ES173125A1 - SELECTOR SWITCHES IMPROVEMENTS : en es
  • FR909092A - Equipment intended for the heating of liquids by solar rays : en fr
  • GB577069A - Improvements in or connected with anti-vibration supporting arrangements for opticalinstruments of the telescope type : en
  • US2399196A - Towed glider launching : en
  • BE463866A - : en
  • CA434423A - Grinding mill : en fr
  • US2399574A - Speed regulating device : en
  • AU121345B2 - Improvements in or relating tothe manufacture of magnesium hydroxide : en
  • US2399301A - Valve : en
  • US2399238A - Garment : en
  • USD144547S - Design for a conical button : en
  • CH242189A - Precision measuring device. : de en
  • CH242193A - Eddy current dynamometer. : en fr
  • CH242124A - Fireplace with stepped grate for fine fuels. : en fr
  • CH242194A - Device for surge voltage testing by means of a reproducible surge voltage generator. : de en
  • CH242229A - Cooling air guiding device on air-cooled internal combustion engines. : de en
  • ES12835U - Elastic suspension tool holder. (Machine-translation by Google Translate, not legally binding) : en es
  • USD144602S - Design for a game board : en
  • FR909064A - Shaving brush for beards or other applications : en fr
  • FR909274A - Special frames for trouser suspenders, sock holders or others : en fr
  • GB576993A - Improvements in or relating to filters : en
  • US2399211A - Method of perforating well casings : en
  • US2399377A - Arc welding system : en
  • US2399516A - Quick disconnect coupling : en
  • GR10651B - METHOD OF MELTING FRESH BUTTER CHANGING INTO COOKING AND KEEPING THE INGREDIENTS OR VITAMINS FOR A LONG TERM PER TIME. : el en
  • AU307646A - Improved means forthe detection and measurement of magnetic fields : en
  • AU121311B2 - Improvements inthe manufacture of titanium pigments : en
  • CA434508A - Coating composition : en fr
  • CA434453A - Fluid pressure device : en fr
  • US2399272A - Electrical device : en
  • US2399401A - Polyvinyl alcohol compositions : en
  • USD144584S - Design for an electric heater : en
  • GB576969A - Improvements relating to the purification of saline liquids : en
  • USD144556S - Design fok a sckeen door latch : en
  • CH242123A - Method for heating appliances. : en fr
  • US2399168A - Electric signal switch for pneumatic tires : en
  • CA434470A - Disc harrow : en fr
  • US2399280A - Grading machine : en
  • GB577085A - Arrangement for mounting magnets used in conjunction with electron discharge devices : en
  • FR909196A - Progressive and discontinuous electric remote control : en fr
  • CH242244A - Process for the production of a thiobarbituric acid. : de en
  • FR53588E - : fr
  • FR909097A - Tanker for the transport of any suitable material, liquid, powder or solid : en fr
  • USD144578S - Design for a brooch or similar article : en
  • US2399598A - 3-ureido-1, 2, 4-triazoles and their preparation : en
  • CA434482A - Knitted fabric : en fr
  • CH242250A - Disinfectants. : de en
  • US2399437A - Blade sharpener for lawn mowers : en
  • ES173106A3 - A WRITING TIP EXIT AND HIDING MECHANISM, APPLICABLE TO STYLOGRAPHERS AND MECHANICAL PENCILS : en es
  • CA434488A - Antifreeze composition : en fr
  • ES12283Y - Device extinguishes cigarettes and the like. : en es
  • ES169455A1 - IMPROVED IMPROVEMENTS IN OBTAINING PROTECTIVE PAINTS AGAINST OXIDATION : en es
  • ES173096A1 - IMPROVEMENTS IN THE CONSTRUCTION OF NETHERLANDS BATTERIES INTENDED FOR THE PREPARATION OF CELLULAR PASTES OR OTHER PROPER MATERIALS FOR THE MANUFACTURE OF PAPER, ARTIFICIAL SILK, CELOPHAN OR ANALOGUE PRODUCTS : en es
  • US2399315A - Lathe attachment for making duplicate pieces : en
  • CH242248A - Process for the preparation of 3,4-di- (p-oxy-phenyl) -hexadiene- (2,4). : de en
  • ES12319Y - Device for starting internal combustion engines provided with a unidirectional coupling between the pinion and the member that causes its axial movement. : en es
  • GB577016A - Improvements relating to governors for controlling fluid-operated mechanisms : en
  • GB577059A - Method and apparatus for manufacturing optical prisms : en
  • AU121310B2 - Treatment of wort forthe production of beer : en
  • ES9990U - Device that facilitates the joint movement of the braces of current use and those of orthopedic application, without the intervention of elastic materials. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399306A - Resilient driving mechanism : en
  • US2399265A - Smoke screen equipment : en
  • US2399458A - Internal-combustion hammer : en
  • ES172876A3 - IMPROVEMENTS IN THE MANUFACTURING PROCEDURES OF ELECTRICAL INSULATING MATERIALS : en es
  • US2399487A - Unit heater : en
  • CA434480A - Clamping device : en fr
  • CH242137A - Vessel for beverages and process for their production. : de en
  • US2399457A - Loom : en
  • GB577048A - Improvements in electric fuses : en
  • US2399406A - Electrical apparatus : en
  • IE17365L - Styrene-oil interpolymers; coating compositions : en
  • US2399362A - Preparation of vitamin intermediate : en
  • CH242163A - Process for the production of a condensation product. : de en
  • CH242231A - Accumulator plate and process for their manufacture. : de en
  • US2399270A - Hydraulic brake system : en
  • US2399398A - Ammunition : en
  • US2399562A - Picker check : en
  • CA434487A - Handle bar resilient mounting : en fr
  • US2399299A - Spark plug : en
  • AU1448144A - Improvements in spur gear drive transmission : en
  • ES12763U - Complementary service device for beds and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173081A1 - A NEW INTERNAL COMBUSTION ENGINE WITH VARIATIONS IN THE CILOS DIAGRAM AND TRANSFORMATION OF MOVEMENTS : en es
  • FR909234A - Combination of weaves composed of textiles of different qualities making it possible to obtain, depending on the needs, the partial ripping or scratching of the fabric : en fr
  • FR909096A - Frame : en fr
  • ES173090A1 - IMPROVEMENTS INTRODUCED IN THE UNION DEVICES FOR HOSES : en es
  • US2399318A - Fluid heater : en
  • US2399276A - Variable compression ratio internalcombustion engine : en
  • FR909175A - Improvements in the regulation of electric rectifiers : en fr
  • FR909219A - Bucket device especially for incubators and other applications : en fr
  • ES172872A1 - IMPROVEMENTS IN CATHODIC RAY DEVICES : en es
  • GB577017A - Improvements in turbines : en
  • CH242115A - Insulator for hanging the bare conductor of electric pasture fences. : de en
  • ES173055A1 - A NEW AUTOMATIC DRIVE MACHINE, FOR PLACEMENT, WITH SIMULTANEOUS VULCANIZATION OF THE RUBBER FLOORS ON THE SHOE CUTTING : en es
  • FR909239A - Further development of rotary liquid ring devices : en fr
  • US2399253A - Sear mechanism : en
  • US2399500A - Adjustable mounting and propulsion means : en
  • US2399370A - Pitot tube : en
  • ES12303Y - Duster envelope with its container for sterilized or non-sterile powders. : en es
  • GB577079A - Improvements in staple driving machines : en
  • US2399419A - Spring lay wire rope and method of and apparatus for manufacturing the same : en
  • US2399563A - Frame construction for seat structures : en
  • FR909270A - Cathode ray indicating device for air navigation and blind landing : en fr
  • CH242221A - Liquid pump. : de en
  • CH242262A - Packaging for clothing. : de en
  • FR909063A - Control valve for electrical circuit switches operating with compressed air : en fr
  • US2399416A - Mucking and loading machine : en
  • FR909137A - Further training in the manufacture of electron tubes : en fr
  • FR909080A - Installation part fitted with a suction blower, in particular for paper mills : en fr
  • GB577010A - Improvements in or relating to buffers or cushioning devices for machine guns : en
  • DK64453C - Method of Making an Insulin Preparation. : da en
  • CA434526A - Indicator mechanism : en fr
  • US2399227A - Nut : en
  • ES172956A1 - IMPROVEMENTS IN VOCAL FREQUENCY CALLING DEVICES : en es
  • FR909173A - Improvement of lubrication systems for axle boxes of rail vehicles : en fr
  • GB577091A - Improvements in and relating to electrical contact elements : en
  • FR909200A - Universal service table for hairdressers : en fr
  • FR909237A - New process of grinding, crushing, degerming, husking, grinding of all products in general and manufacture of cereal flour in particular : en fr
  • GB577088A - Selection controlling circuits : en
  • US2399244A - Arresting mechanism for aircraft : en
  • GB576954A - Self-weighing wheelbarrow : en
  • GB577018A - Improvements in and relating to apparatus for controlling the delivery of rotary plunger type hydraulic pumps : en
  • US2399174A - Conversion of hydrocarbons : en
  • US2399394A - Pressure exchanger : en
  • US2399438A - Coal mining machine : en
  • FR909134A - Improvement in radio receivers : en fr
  • FR909170A - Installation of driving force for dam bodies : en fr
  • GB576962A - New piperidine derivatives : en
  • FR909120A - Concrete pump operated by pressurized fluid : en fr
  • ES172990A1 - A SYSTEM OF CLAMPS FOR SIMULTANEOUS SIDE PRESSURE, IN THE MANUFACTURE OF RUBBER FLOORING OF THE SHOES, FORMING BODY WITH THE CUT : en es
  • DK64450C - Controller with Reactance Elements to keep an electrical Size within certain Limits. : da en
  • US2399389A - Nursing bottle holder : en
  • FR909223A - Film and photographic film development facility : en fr
  • FR909281A - Selenium electric dry valve and its manufacturing process : en fr
  • ES173101A1 - A PROCEDURE FOR THE MANUFACTURE OF RIZO WOVEN FABRICS FOR ALBORNOCES AND SIMILAR CLOTHES : en es
  • DK64463C - Device for Concrete Mixers. : da en
  • FR909240A - Tin can packing machine : en fr
  • CH242281A - Ice and snow skating equipment to be attached to the shoe. : de en
  • AU130943B2 - u Improvements relating to electrical devices employing piezoelectric crystals : en
  • AU121332B2 - Improved apparatus for use in shaping diamonds : en
  • FR909076A - Alarm clock : en fr
  • FR909195A - Beach and water play device : en fr
  • US2399480A - Fuel proportioning device for pressure carburetors : en
  • AU1179843A - An improved method and apparatus to enable a craft to travel over or above the surface of water while being supported and/or stabilized thereby : en
  • AU220046A - Modulator Systems : en
  • US2399182A - Spray drying device : en
  • ES172749A1 - IMPROVEMENTS IN ELECTRICAL CABLE MANUFACTURING METHODS : en es
  • ES172846A3 - A PROCEDURE FOR OBTAINING A NEW CELLULOID OR PLASTIC MATTER : en es
  • US2399208A - Surface useful materials : en
  • US2399453A - Electric flash welding : en
  • US2399525A - Quick disconnect coupling : en
  • FR909194A - Self induction adjustable for high frequency : en fr
  • GB577053A - Improvements relating to metal brackets : en
  • ES12758U - Removable articulation, applicable to wooden utensils, pasta or similar material. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173121A3 - A TANK TO STORE LIQUIDS : en es
  • BE464027A - : en
  • CH242135A - Electric heating device. : de en
  • CH242192A - Method and device for moisture measurement using the dependence of the thermal conductivity on the moisture content of air. : de en
  • GB577064A - Sharpener for safety razor blades : en
  • ES10391Y - Heel for footwear, especially for espadrilles and fiber footwear. : en es
  • GB577060A - Improvements relating to tubular heat exchange apparatus : en
  • US2399538A - Squeegee device : en
  • USPP687P - Rose plant : en
  • ES12843U - Improved writing pen (Machine-translation by Google Translate, not legally binding) : en es
  • US2399532A - Temperature control in regeneration of contact masses : en
  • ES12805U - Smoking paper with hemiplastic rubber and protective device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12780U - Revolving lid for jars, glasses and other containers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173069A1 - ONE SET OF REMOTE CONTROLLED BYPASS CONTROL RELAYS : en es
  • CA434509A - Cell construction : en fr
  • AU130829B2 - Improvements in or relating to plasticized elastomer compositions : en
  • CA434434A - Coated sheet product : en fr
  • US2399508A - Speaker attachment for radios : en
  • AU129039B2 - Improvements in or relating to electric air-break circuit-breakers : en
  • CA434490A - Machine tool collet : en fr
  • US2399213A - Timing circuit : en
  • CH242288A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • AU307946A - Improvements relating to self-baking electrodes for electric furnaces : en
  • CA434514A - Dispensing apparatus : en fr
  • US2399509A - Multistage centrifugal separating apparatus : en
  • US2399439A - Cylinder and dial knitting machine : en
  • CH242213A - Expansion nail. : de en
  • CA434472A - Solution preparing apparatus : en fr
  • US2399456A - Plasticized polyvinyl compositions : en
  • US2399432A - Striking hammer for firearms : en
  • AU307346A - Improvements in or relating tothe production of coated sheet or film : en
  • US2399545A - Adhesive tape : en
  • GR10650B - METHOD OF PRODUCTION OF LIQUID OR POWDER UNDERWEIGHT WEIGHING FOR BREWERY IN SUGAR PRODUCTS. : el en
  • US2399205A - Cleaning process : en
  • US2399221A - Safety landing device : en
  • US2399354A - Isomerization : en
  • FR909236A - Triangular frying pan with flashback : en fr
  • FR909256A - Improvements to veneer frames : en fr
  • US2399373A - Method of forming multiple patterns : en
  • US2399537A - Carton : en
  • GB577062A - Improvements in or relating to turbo-compressor propulsive apparatus : en
  • DK64458C - Container of Paper or similar Material and Item for the Manufacture of the Container Body. : da en
  • FR53576E - : fr
  • US2399541A - Saw : en
  • US2399264A - Needle for hand knitting : en
  • US2399273A - Electrical device : en
  • US2399449A - Electrical switch : en
  • US2399542A - Throttle and starter control mechanism : en
  • FR909191A - Improvements to leaded spoons in tail for fishing : en fr
  • ES11073Y - Footwear with invisible heel. : en es
  • ES12810U - Bag, wallet, pearl etc (Machine-translation by Google Translate, not legally binding) : en es
  • FR909218A - Amplifying voltmeter without thermionic lamp, particularly applicable to ph measurements : en fr