• US2355888A - Lock : en
  • CH233680A - Device for administering medical gas treatment baths, in particular for performing underwater whirlpool massage. : de en
  • US2355865A - Rotary cutter : en
  • US2356000A - Fiber separating machine : en
  • DE746686C - Dial lighting for a bedroom clock : de en
  • US2355877A - Processing crystalline structures : en
  • CA422086A - Tractor mounted winch : en fr
  • CH233608A - Process for the fractional crystallization of molten alloys. : de en
  • US2355840A - Garden rake : en
  • ES10355U - Spring mattress or background. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355884A - Medium for use in making camera copy and method of preparing same : en
  • US2355829A - Cowl support : en
  • US2355692A - Throttle valve mechanism : en
  • US2355854A - Tool for moving and positioning pack-off assemblies : en
  • CH233557A - Process for the recovery of dry sulfur dioxide from a mixture obtained during the extraction of mineral oils with sulfur dioxide or solvents containing sulfur dioxide and evaporation of the solvent from the extraction products. : de en
  • CH233631A - Hand tool for preparing straight razor pull-off straps. : de en
  • US2355609A - Warp stop motion knockoff device : en
  • US2355930A - Stencil printing mechanism : en
  • US2355702A - Removal of nitrogen oxides from sulphuric acid : en
  • US2355698A - Water pump : en
  • US2355841A - Ophthalmoscope : en
  • ES166733A2 - A MEMBRANE MANUFACTURING PROCEDURE : en es
  • DE746516C - Process for the manufacture of pedestals : de en
  • ES10290U - Container with brush for liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • DE746480C - Circuit arrangement for telephone systems with several centers and dialer operation : de en
  • ES155155A1 - A PROCEDURE FOR OBTAINING SOAPS : en es
  • GB563497A - Improvements in hair nets : en
  • CA422160A - Water guide : en fr
  • CA422084A - Shipping and dipping outfit : en fr
  • CA422108A - Circuit breaker mechanism : en fr
  • US2355920A - Gun sight : en
  • US2355687A - Electric heater : en
  • ES10389U - Romana perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355809A - Popgun : en
  • US2356110A - Package and closure therefor : en
  • USD138503S - Churchill shoe rack : en
  • USD138495S - Design for a crdjbage board : en
  • DK62564C - Curtain with interlocking, pleated cover area. : da en
  • DE746572C - Process for drying and cooling adsorbents : de en
  • GB563507A - Improvements in or relating to gearing for steering mechanically propelled vehicles and for other purposes : en
  • DE746679C - Device for filling cartridge magazines : de en
  • CH233722A - Wooden beam connection of building structures. : de en
  • DE746689C - Process for the production of pretzel sticks or similar baked goods : de en
  • NL56889C - : en
  • US2355683A - Check valve : en
  • CA422056A - Refrigerating apparatus : en fr
  • ES166723A1 - IMPROVED IMPROVEMENTS IN THE AUTOMATIC MEANS OF WATER DISCHARGE IN SANITARY FACILITIES : en es
  • USD138494S - Design for a top : en
  • CA422119A - Structural covering material : en fr
  • US2356063A - Engine control device : en
  • US2355714A - Apparatus for making filters : en
  • ES166726A1 - A PERFECTION IN THE LANCE-HARPONS FOR FISHING UNDER WATER : en es
  • GB563530A - Improvements in fluid flow control cocks : en
  • ES10255U - Table or removable cask for its production in series, based on tongue and grooved teeth and pieces cut in pieces of analogous junction, with packing or reinforcement based on hemp ropes or similar for its most perfect joint. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233763A - Hydropower plant. : de en
  • ES166730A1 - A PROCEDURE FOR APPLYING OR FIXING A SPECIAL PASTE OR SKATE, TO THE BODY OF CONSTRUCTIVE ELEMENTS, DECORATION OR SANITATION : en es
  • ES9058Y - Double blister. : en es
  • US2355667A - Abrasive article : en
  • US2356055A - Switch operator : en
  • US2355701A - Automatic gain control for television receivers : en
  • USD138500S - Mechanical pencil or similar article : en
  • GB563443A - Improvements in and relating to portable mirrors : en
  • GB563444A - Improvements in devices for sharpening or honing safety razor blades : en
  • US2355992A - Cartridge belt link manufacture : en
  • US2355627A - Welding : en
  • US2355857A - Hydrogen halide recovery : en
  • GB563543A - Improvements relating to means for hitching or coupling agricultural implements to tractors : en
  • USD138511S - Design for a seat : en
  • US2355655A - Tie plate : en
  • US2355730A - Leakproof carton : en
  • DE746722C - Electrical discharge vessel, inside of which several live conductors with insulating support parts are attached : de en
  • ES10366U - Plants and transparent soles for footwear (Machine-translation by Google Translate, not legally binding) : en es
  • USD138545S - Design fok a goggle : en
  • US2356086A - Machine for making fastener stringers : en
  • GB563539A - Fuel injection apparatus : en
  • ES164724A3 - A PROCEDURE FOR THE MANUFACTURE OF BRUSH SUBSTITUTES : en es
  • US2355686A - Torque amplifier : en
  • US2355787A - Picture changing display : en
  • US2355872A - Control device : en
  • ES10354U - Razor for shaving (Machine-translation by Google Translate, not legally binding) : en es
  • GB563508A - Improvements in wheels for tractors and other vehicles : en
  • GB563547A - Improvements in or relating to photographic diazotype printing processes : en
  • CH233625A - Stroke reversing device for, in particular, hydraulically driven tool or workpiece slides on machine tools. : de en
  • CA422125A - Web roll controlling mechanism : en fr
  • ES10257U - Fabric that carries prints corresponding to various parts of a blouse (Machine-translation by Google Translate, not legally binding) : en es
  • DE746651C - Hearth furnace with electrical resistance heating in the furnace lining, especially for melting light metal alloys : de en
  • US2355625A - Machine tool : en
  • US2355811A - Method of and apparatus for shaping articles : en
  • CH233635A - Plastic button with fabric cover, method of manufacturing this button and injection mold for performing this method. : de en
  • US2355852A - Tube expanding tool : en
  • GB563545A - Improvements in or relating to route guides or maps : en
  • ES166714A1 - A MANUFACTURING PROCEDURE TO CONVERT AND SERVE TABLETS THE CHEMICAL PRODUCT TRISODIC PHOSPHATE : en es
  • GB563461A - Improvements relating to the manufacture of charcoal : en
  • US2355668A - Strip feeding attachment : en
  • CA422129A - Heat exchange apparatus : en fr
  • US2355620A - Fluid sampling device : en
  • CH233746A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • US2355645A - Bale former : en
  • CH233549A - Process for the production of a product used to obtain a coffee-like beverage. : de en
  • CH233644A - Machine with at least one free piston. : en fr
  • US2355604A - Hydraulic power transmission : en
  • US2355652A - Smoking device : en
  • CH233727A - Procedure for displaying : de en
  • USD138517S - Design for a sandal or similar article : en
  • USD138546S - Design fob a hot water heatek : en
  • US2355771A - Load transfer device and tie bar : en
  • ES10382U - Weaving machine for looms with adjustable separation heads. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355972A - Process for treating 2-hydroxy-1-dithionaphthoic acid and product resulting therefrom : en
  • US2355907A - Method and apparatus for grinding and polishing ligatures : en
  • US2355956A - Overhead swinging door : en
  • US2356087A - Countersinker or the like for nuts : en
  • ES165495A1 - IMPROVEMENTS INTRODUCED IN THE CONNECTION OF AMPLIFIERS WITH COMBINED NEGATIVE INTENSITY AND VOLTAGE REACTION : en es
  • CH233666A - Arrangement for earth fault extinguishing. : de en fr
  • GB563483A - Improvements in or relating to agricultural seed drills : en
  • DE746702C - Connection of junction boxes for electrical equipment : de en
  • US2355892A - Means for supporting heater tubes : en
  • US2355704A - Horse's bit : en
  • US2356070A - Control system : en
  • US2355740A - Obstetrical belt : en
  • USD138540S - Design for an embroidered trimming : en
  • DE746670C - Process for improving diesel fuels : de en
  • GB563438A - Means for reduction or suppression of dust in coal cutting : en
  • CH233532A - Chain stitch sewing machine. : de en
  • US2355847A - Adjustable ventilator : en
  • US2356105A - Brush holder for electric motors : en
  • AU118767B2 - Improvements in or relating to electrical relay circuits : en
  • CH233689A - Coin checking device for cash machines. : de en
  • ES166694A1 - A PROCEDURE FOR THE MANUFACTURE OF AN ELECTRICAL RESISTANCE IN WHICH THE DRIVER OR SEMICONDUCTOR IS INCORPORATED TO A MASS OF HARDENED ARTIFICIAL RESIN : en es
  • US2356083A - Electrical distribution system : en
  • US2355720A - Brake : en
  • USD138506S - Combined mirror and picture frame : en
  • USD138531S - Design for a dress : en
  • GB563518A - Improvements in or relating to the construction of internal combustion engines : en
  • GB563453A - Improvements in or relating to centrifugal fluid wheels : en
  • US2355637A - Keyboard for calculating machines : en
  • DE746603C - Process for the production of sealing plates : de en
  • GB563481A - Improved process for the alcoholysis of oils : en
  • GB563528A - An improved multiple-pole automatic electric switch : en
  • US2355963A - Wire fabric : en
  • USD138539S - Harrison etal road .holler : en
  • US2355694A - Air-speed meter : en
  • US2355985A - Dry cell apparatus : en
  • DE746619C - Process and device for leaching and washing pulp in diffusers : de en
  • ES166711A1 - A GASOGENOUS APPARATUS : en es
  • ES164992A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRIC HUNTERS : en es
  • ES9556U - Device of metallic elements, obtained by rolling and joined by welding, to form beams, columns, and, in general, constructive elements intended for fixed or mobile constructions, including railway material, lifting or transport machinery, shipbuilding. (Machine-translation by Google Translate, not legally binding) : en es
  • DE746639C - Walking beam continuous annealing furnace with entry and exit locks : de en
  • ES166710A1 - A PROCEDURE TO LINK WITHOUT CONTINUITY SOLUTION, PHOTOGRAPHS, PROJECTORS OR OTHER DOCUMENTS WITH CINEMATOGRAPHIC SCENES DURING THE SHOOTING : en es
  • CA422140A - Rotary cutter : en fr
  • GB563414A - Improvements in or relating to electrode bits for electric spot welding apparatus : en
  • GB563459A - Means for reduction or suppression of dust in coal-cutting : en
  • US2355823A - Polyglycol ethers of higher second : en
  • US2355863A - Crossover for crane bridges : en
  • GB563474A - An improved machine for loading and transporting material : en
  • ES10315U - School notebook with complementary inserts for graphic exercises (Machine-translation by Google Translate, not legally binding) : en es
  • ES8334U - Apparatus for checking and automatic replacement of fuses. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355608A - Insulating and acoustical covering : en
  • US2355891A - Screening apparatus : en
  • US2355941A - Bogie wheel : en
  • USD138538S - Clerc , airplane : en
  • ES9046Y - File cabinet. : en es
  • US2355674A - Exhaust pipe extension : en
  • US2355737A - Binding books : en
  • US2355948A - Method and means for assisting the take-off of landplanes : en
  • US2355968A - Starting circuit for fluorescent lamps : en
  • USD138529S - Design for a dress : en
  • GB563532A - Improvements in or relating to centrifugal pumps : en
  • DK62572C - Sowing seed. : da en
  • GB563409A - New or improved apparatus for smoothing or finishing the surfaces of balls utilized in ball bearings : en
  • GB563427A - Improvements in helicopters : en
  • US2356014A - Coupling for splicing cables : en
  • DE746661C - Method and device for cutting the free ends of serially produced sound films : de en
  • ES166699A1 - A REMOTE GOVERNMENT SYSTEM FOR THE ORIENTATION OF FIREARMS OR OTHER APPLICATIONS : en es
  • US2355722A - Article handling apparatus : en
  • US2355750A - Shaft milling and grinding machine : en
  • US2355777A - Recovery of tin and similar metals : en
  • US2355974A - Insecticidal composition : en
  • NL56739C - : en
  • US2355993A - Low temperature lubricants : en
  • DE746690C - Method of eliminating the fluorescence of the eyeball that occurs when lighting with ultraviolet radiation sources : de en
  • CH233579A - Process for the production of a plastic. : de en
  • US2355850A - Method of making chlorobutyl-benzene compounds : en
  • US2355859A - Hopper for railway cars : en
  • ES165072A1 - A STETHOSCOPIC DEVICE WITH SOUND AMPLIFIER, FOR AUSCULTATION : en es
  • CH233634A - Circuit arrangement for controlling machines or apparatus. : de en
  • GR10290B - PERFORATED MAP USED FOR THE LINING OF DRY ELECTRICAL ELEMENTS PLAGONS. : el en
  • GB563476A - Improvements in or relating to military, mountaineering and like equipments : en
  • GB563407A - Improvements relating to electrical condensers : en
  • ES165453A3 - A FAMILY REFRIGERATOR CHAMBER WITHOUT NOISE OR VIBRATION : en es
  • ES10401U - Frame for vibrating piezoelectric crystals. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563531A - Improvements in and relating to electric valve converting systems for energizing a load circuit through a capacitance : en
  • CA422143A - Resilient car wheel : en fr
  • CA422166A - Aldehyde oxidation process : en fr
  • AU724542A - Flotation frothing agent : en
  • CA422120A - Structural covering material : en fr
  • CH233520A - Combustion system. : de en
  • AU118764B2 - Beta-aryloxy-alkyl acrylic esters and co-polymers thereof : en
  • US2356037A - Micrometer tolerance indicator : en
  • CH233658A - Terminal for cables and wires, in particular those made of light metal. : de en
  • CH233670A - Electron tube with low anode secondary emission. : de en
  • AU122989B2 - Improvements in electric switches : en
  • US2355954A - Powder metallurgy : en
  • CH233584A - Process for applying a metallic coating to a wire. : de en
  • CH233681A - Process for the preparation of a mixture which can be used as a skin lubricant. : de en
  • CH233576A - Process for the production of paints. : de en
  • US2356004A - Shaker : en
  • USD138528S - Design for a coat : en
  • US2355764A - Retractable landing gear for aircraft : en
  • US2355918A - Reconnaissance and attack buoy for submarines : en
  • CH233751A - Process for the production of a sulfur dye. : de en
  • CA422098A - Camera film indicating dial : en fr
  • CA422110A - Circuit interrupter : en fr
  • US2355921A - Air-speed meter : en
  • GB563525A - A method of preserving fruit and vegetables : en
  • CA422130A - Heat exchange structure : en fr
  • US2355923A - Baffle for oil burning furnaces : en
  • CA422055A - Snow tractor : en fr
  • US2355824A - Fuse terminal : en
  • US2356088A - Distributing apparatus : en
  • CH233657A - Electrical winding with high voltage insulation. : de en
  • DE746695C - Heat treatment to increase the ductility of white cast iron : de en
  • DK62563C - Side list for Curtains, especially self-rolling Curtains. : da en
  • ES166693A1 - A NEW APPARATUS FOR THE AUTOMATIC TAKING OF SUCCESSIVE PHOTOGRAPHS ON THE REVERSIBLE PAPER TAPE : en es
  • CA13845S - Earring : en
  • CA422146A - Signal amplitude limiting circuit : en fr
  • CH233564A - Process for the production of dihydropyran. : de en
  • US2355924A - Free piston machine : en
  • CA422090A - Electromagnet : en fr
  • CA422137A - Anti-friction screw device : en fr
  • US2355998A - Safety system : en
  • DK62556C - Electrical contact device with a spring-loaded, spring-loaded turntable. : da en
  • CA422065A - Mechanical pencil : en fr
  • CA422069A - Process camera : en fr
  • CH233684A - Process for the preparation of a sulfonamide derivative. : de en
  • US2355965A - Reamer : en
  • US2355953A - Method of coating : en
  • US2355680A - Electrical resistor device : en
  • USD138512S - Star corsage or similar article : en
  • CA422070A - Variable speed transmission : en fr
  • CA422133A - Hosiery-fit tester : en fr
  • US2355803A - Window unit : en
  • US2355630A - Photographic emulsion : en
  • US2355688A - Movement transmission system for measuring instruments : en
  • US2355790A - Record changer spindle : en
  • US2356072A - Ground pulverizer : en
  • US2355901A - Backlash resisting locking setscrew : en
  • US2355661A - Extraction of sterols : en
  • DE746644C - Circuit for regulating the speed of main current motors : de en
  • ES163986A1 - A PROCEDURE FOR THE COATING AND PROTECTION OF NATURAL SILK FIBERS USED IN THE MANUFACTURE OF STOCKINGS : en es
  • GB563492A - Improvements in the construction of walls, partitions and buildings : en
  • CH233515A - Chimney attachment for tall chimneys. : de en
  • CH233603A - Iron-closed electrodynamic precision power meter with several current measuring ranges. : de en
  • US2356021A - Article shaking mechanism : en
  • US2355666A - Transmission gearing : en
  • CH233551A - Device for recovering the heat of evaporation in evaporators for two- or multi-component mixtures with a boiling temperature that changes significantly with the change in concentration. : de en
  • CA422096A - Camera and focussing mechanism : en fr
  • US2355979A - Drain plug : en
  • DE746707C - Device on flat weft knitting machines to limit the movement of thread guide rods with a short stroke : de en
  • US2355994A - Water-soluble cutting compound and method of manufacture : en
  • US2355999A - Process for decorticating ramie and other bast fibers : en
  • US2356113A - Control system : en
  • CH233627A - Method and device for surface hardening of cylindrical metal parts of different cross-sections by means of high-frequency induction currents. : de en
  • ES10359U - Fan for industrial uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563542A - An improved multiple pole automatic switch : en
  • US2355612A - Brake valve : en
  • US2356107A - Desk calendar : en
  • ES9508Y - Holders for thermionic valves of the total glass type. : en es
  • CH233714A - Propulsion device for single wheel drive vehicles. : en fr
  • CH233535A - Device on the sewing machine for embroidery or sewing along a line that returns to itself. : de en
  • CH233697A - Socket for parts of a tube device, which at the same time carries a discharge tube and circuit parts assigned to it. : de en
  • CH233554A - Filter dust collector for gaseous fluid, in particular for gasifier gas. : en fr
  • CH233692A - Circuit arrangement in telecommunication systems, in particular telephone systems. : de en
  • CH233720A - Process for avoiding eddies behind the wings of aircraft in order to increase the propulsion. : de en
  • DE746688C - Process for the production of artificial honey : de en
  • CA422121A - Valve arrangement for pneumatic tools : en fr
  • GB563533A - Improved fitting of an anti-glare device for reflector lamps : en
  • US2355825A - Photoflash synchronizing mechanism : en
  • US2355868A - Catalytic hydrocarbon reactions and catalysts therefor : en
  • GB563478A - Improvements in and relating to railway wagon tippers : en
  • DE746621C - Process for the production of multicolored drawings on solid surfaces, especially on light metal sheets : de en
  • DE746672C - Process to improve the corrosion protection of chrome coatings on iron and steel : de en
  • GB563479A - New antioxidant composition : en
  • CH233744A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • CH233707A - Folding seat device on motor vehicles. : de en
  • CH233738A - Process for the preparation of an aromatic carboxamide. : de en
  • GR10286B - METHOD FOR PRODUCTION OF FAST CELLULAR PLANTS. : el en
  • GB563455A - Improvements relating to vehicle and other door fastenings : en
  • US2356069A - Circuit interrupter : en
  • DK62575C - Device for Rubber Bellows Seals for Swivel Half Axles for Vehicles. : da en
  • GB563404A - Improvements in and connected with reinforced cement and other plastic material : en
  • US2355831A - Activation of catalysts : en
  • USD138497S - Design for a casket : en
  • US2356043A - Lubricating oil composition : en
  • US2355945A - Oil burner : en
  • ES10360U - Hive. (Machine-translation by Google Translate, not legally binding) : en es
  • CA422101A - Electric fuse : en fr
  • CA422118A - Motor protective device : en fr
  • CH233531A - Control device for continuous spinning or twisting loom. : en fr
  • ES164323A1 - A PROCEDURE FOR THE OBTAINING OF A REFRESHING DRINK OF INDEFINED CONSERVATION : en es
  • US2356104A - Spark plug and method of making the same : en
  • US2355949A - Method of making composite printing plates : en
  • ES10393U - Electric buzzer (Machine-translation by Google Translate, not legally binding) : en es
  • GB563440A - Improvements in apparatus for drying, crimping or otherwise treating filamentary material : en
  • GB563451A - Improvements relating to the manufacture of compound cooking fats, lard substitutes and the like : en
  • USD138537S - Design fob a cooky jab : en
  • US2356053A - Spark plug : en
  • ES9743Y - Automatic game. : en es
  • ES166743A1 - A PROCEDURE FOR THE MANUFACTURE OF A SUBSTITUTE PRODUCT OF THE FIBER : en es
  • USD138496S - Design for a fishing lube : en
  • ES10341U - Part for hair removal and similar uses (Machine-translation by Google Translate, not legally binding) : en es
  • GB563462A - Improvements in or relating to heat-exchange devices : en
  • ES166585A1 - IMPROVEMENTS INTRODUCED IN THE SELECTION PROVISIONS FOR TELECOMMUNICATION SYSTEMS : en es
  • ES166614A1 - A NEW PROCEDURE FOR PRINTING CINEMATOGRAPHIC FILMS IN WHICH THE TAKING AND PROJECTION OF EXTERNAL AND INTERIOR VIEWS IS CARRIED OUT BY GRAPHIC, PHYSICAL AND MECHANICAL PROCEDURES : en es
  • GB563422A - Improvements relating to electrical condensers : en
  • ES10365U - Lounge soccer game. (Machine-translation by Google Translate, not legally binding) : en es
  • ES166596A3 - A MECHANICAL PROCEDURE FOR OBTAINING ARTIFICIAL FLAKE ICE : en es
  • ES166738A1 - IMPROVEMENTS IN THE CONSTRUCTION OF DRAINING MOLDS FOR THE MANUFACTURE OF DENTATED AND SIMILAR CROWNS, WHOSE OUTSIDE PART IS OBTAINED BY EMPTY OF INTIMATE DIFFUSION : en es
  • ES6996Y - Device for the complete use of soap bars. : en es
  • ES8493Y - Neck fixation device. : en es
  • US2355754A - Lawn mower sharpener : en
  • GB563541A - Improvements in the production of halogenated organic compounds : en
  • US2355676A - Lymphogranuloma venereum antigen and method of preparing it : en
  • US2355761A - Electrically heated molten bath furnace : en
  • US2355747A - Variable load brake : en
  • US2356020A - Mailbox : en
  • US2356077A - Combination cough and bed : en
  • DE746696C - Dialer for telephone systems : de en
  • ES9130Y - Block or agglomerate of soluble or insoluble materials, provided with insoluble floating elements with advertising inscriptions. : en es
  • DE746640C - Axle bushing for rail vehicles by means of rubber springs : de en
  • US2355828A - Combined cooling and dehumdifxing : en
  • CA422062A - Vehicle coupler : en fr
  • DE746627C - Luggage rack for bicycles : de en
  • DK62565C - Device for folding sun loungers for protection against unintentional folding. : da en
  • US2355830A - Reciprocating safety razor : en
  • GB563452A - Improvements in and relating to electric apparatus and windings therefor : en
  • US2355916A - Relief valve : en
  • CH233645A - Multi-cylinder opposed piston internal combustion engine. : de en
  • US2356054A - Welding rod holder : en
  • US2355703A - Production of ketones : en
  • CH233547A - Process for the accumulation of aneurin in plant microorganisms. : de en
  • CH233740A - Process for the preparation of an aromatic carboxamide. : de en
  • CH233772A - Process for the preparation of a dioxyacetone diether. : de en
  • DE746655C - Process for the preparation of polymerization products : de en
  • AU118756B2 - Improvements in and relating tothe recovery of tin from tinplate andthe like tin-carrying materials : en
  • CH233754A - Process for the production of a vat dye. : de en
  • CH233525A - Protective cover for toilet seats. : de en
  • CH233708A - Protective device on rubber tires. : de en
  • CH233728A - Process for the preparation of pregnanin-ol- (17) -one- (3). : de en
  • ES164332A1 - A PROCEDURE FOR THE ELABORATION OF A SOLID DENTÍFRICO : en es
  • US2355772A - Piston ring : en
  • US2356076A - Porous brush and method of manufacture : en
  • US2356039A - Arc limiting device : en
  • US2355699A - Method of ironing shirts : en
  • US2356044A - Ultra high frequency circuit conductor member : en
  • DE746609C - Herbicides : de en
  • US2355819A - Wrench : en
  • DK62558C - Metal container with layer for electrolyte capacitors that are exposed to strong temperature fluctuations. : da en
  • CH233617A - Process for the production of workpieces with a longitudinally variable cross section on extrusion presses. : de en
  • US2355875A - Method of and apparatus for clarifying liquids : en
  • US2355705A - Suspension device for coat hangers : en
  • US2355942A - Wheel : en
  • CH233757A - Process for the production of a tanning agent. : de en
  • USD138521S - Brooch or similar article : en
  • US2355887A - Method of sterilization : en
  • CH233686A - Process for producing an anesthetic compound. : de en
  • CH233559A - Process for the production of nitrogen tetroxide from the oxidation products of ammonia. : de en
  • US2355844A - Apparatus for dressing grindstones : en
  • CH233716A - Bogie frames for electric traction vehicles. : de en
  • US2355648A - Signaling device : en
  • US2355880A - Cotton harvesting machine : en
  • CA422150A - Television receiving system : en fr
  • CH233545A - Roller mill. : de en
  • USD138516S - Design fob a magnifying glass : en
  • CA422081A - Resilient bracket forming machine : en fr
  • CH233737A - Process for the preparation of an aromatic carboxamide. : de en
  • US2355629A - Air conditioning system : en
  • USRE22530E - Pencil for laundry marking : en
  • CH233649A - Gas turbine system, from whose working fluid circuit a partial amount is constantly withdrawn. : de en
  • ES166013A3 - IMPROVEMENTS IN STEAM ENGINES : en es
  • US2356101A - Multiple cylinder pump : en
  • US2355931A - Unit loq handling equipment : en
  • US2355869A - Transmission and control mechanism : en
  • US2355917A - Applicator : en
  • USD138505S - Picture frame or similar article : en
  • ES10305U - Automatic clamp for blinds. (Machine-translation by Google Translate, not legally binding) : en es
  • ES166297A1 - A PROCEDURE FOR MANUFACTURING METAL TUBES : en es
  • GB563454A - Improvements in or relating to rotary blowers, compressors and exhausters : en
  • GB563494A - Rubber-like compositions : en
  • ES10311U - Folding comb. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233556A - Device to prevent the nets from sagging which are exposed to gas pressure at elevated temperatures. : de en
  • CH233582A - Process for cleaning the outlet valve cones of internal combustion engines operated with fuels made knock-proof by additives. : de en
  • US2355709A - Transmission : en
  • US2355757A - Floatable stretcher : en
  • CH233526A - Fold press for pants. : de en
  • CA422091A - Triazinyl carboxyalkyl sulphide and salt : en fr
  • CH233668A - Process for producing an indirectly heatable cathode and cathode produced by this process. : de en
  • CH233588A - Typewriter. : en fr
  • ES10351U - Belt to hold hygienic cloths. (Machine-translation by Google Translate, not legally binding) : en es
  • DE746666C - indicator : de en
  • US2355695A - Coupler : en
  • US2356035A - Electron discharge device : en
  • AU796043A - Plastic well screen : en
  • CH233769A - Process for the preparation of a salt of a p-amino-benzene-sulfamido-thiazole. : de en
  • CH233632A - Electric shaver. : de en
  • DE746698C - Circuit arrangement for telephone systems with unauthorized and authorized subscriber stations for connection : de en
  • GB563535A - Improvements in or relating to the assembling of laminated driving belts : en
  • ES166667A1 - IMPROVEMENTS INTRODUCED IN FREQUENCY MODULATION DETECTORS : en es
  • US2356068A - Refrigeration : en
  • CA422061A - Electric lamp and connecting device : en fr
  • CH233593A - Melody key board for harmonicas. : de en
  • USD138514S - Design fok an animal figure : en
  • GB563519A - Pen nibs and method of making the same : en
  • GB563520A - Improvements in or relating to electrical apparatus including networks suitable for use for dual signal transmission : en
  • US2356091A - Copolymers of sulphur modified polyhaloprenes : en
  • US2355724A - Shoe sewing machine : en
  • US2356002A - Treatment of plastic bead chains and the like : en
  • US2355768A - Gas-operated self-loading firearm : en
  • CA422058A - Torpedo boat : en fr
  • US2355770A - Preparation of cyclo-trimethylenetrinitramine : en
  • US2355746A - Method of making high silica glass : en
  • US2355646A - Hay baler : en
  • USD138507S - Design for a clasp for a handbag ok the like : en
  • GB563546A - Improvements relating to jigs for use in grinding drill bits : en
  • GB563527A - Improvements in and relating to dough brakes and to the preparation of dough for biscuit cutting machines and the like : en
  • US2356080A - Rail brace : en
  • GB563544A - Improvements relating to apparatus for photographic copying : en
  • GB563485A - Improvements relating to maintenance of atmosphere in furnaces : en
  • GB563441A - Improvements in the manufacture of covered wires and cables : en
  • US2355665A - Hinged cover container : en
  • GB563511A - Improvements in and relating to electric contacting elements : en
  • ES166709A1 - IMPROVEMENTS IN THE INVESTMENT CURVES OF THE TUBES, ESPECIALLY FOR REHEELING ELEMENTS : en es
  • GB563513A - Inserted tooth hobs and such like tools, and the manufacture thereof : en
  • AU819843A - Oil economizing system for compressors : en
  • GB563406A - Liquid non-return valves : en
  • GB563526A - Alloys : en
  • ES166722A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF HEAT BODIES, EVAPORATORS AND REFRIGERATORS : en es
  • AU1038843A - Improvements relating to automatic fire sprinkler-alarm equipment : en
  • ES164723A1 - A PERFECTION IN THE PROCEDURE OF MANUFACTURE OF PEINES BY INJECTION OR BY MOLDING OF FLUIDIFIED MATTER : en es
  • US2355882A - Cleaning installation : en
  • GB563469A - Improvements in blind-landing devices for aircraft : en
  • GB563464A - Improvements in or relating to thermionic valve oscillators : en
  • CH233575A - Process for the production of an etch-resistant stain dye. : de en
  • CH233695A - Device for amplifying or generating ultra-high frequency electrical oscillations. : de en
  • ES10308U - Improved grip (Machine-translation by Google Translate, not legally binding) : en es
  • ES166741A1 - ELECTROMECHANICAL MECHANISM COMBINED, CLUTCH, RUNNING AND SPEED CHANGE : en es
  • US2355952A - Electric control circuit : en
  • US2355939A - Film guiding and feeding device for cinematographic apparatus : en
  • GB563434A - Improvements in or relating to electric signalling systems : en
  • CH233734A - Process for the preparation of an aromatic carboxamide. : de en
  • ES166668A1 - A RECEIVER FOR MODULATED SIGNAL ENERGY IN PHASE OR FREQUENCY : en es
  • US2355834A - Wood flooring : en
  • USD138553S - Design for a dress : en
  • CH233659A - Device for the automatic flattening of insulating material on straight rod sections of windings and coils of electrical machines and apparatus. : de en
  • CH233534A - Accessory device for sewing machine, for forming zig-zag stitches. : en fr
  • US2355839A - Showcase : en
  • USD138518S - Design for an earring : en
  • CA422094A - Camera film winding and indicating mechanism : en fr
  • US2356050A - Circuit breaker : en
  • USD138550S - Design for a dress : en
  • CA422123A - Belt connector : en fr
  • CA422161A - Planetary capstan : en fr
  • CA422136A - Conductive ink : en fr
  • CH233609A - Process for the production of sintered bodies. : de en
  • AU118763B2 - Plastic well screen : en
  • CH233597A - Underwater sound echo method for determining the position of an object and device for carrying out the method. : de en
  • CH233733A - Process for the preparation of an aromatic carboxamide. : de en
  • US2355759A - Exhaust-driven turbosupercharger for internal-combustion engines : en
  • CH233667A - Arc protection device for high voltage insulators. : de en
  • US2355822A - Filter medium : en
  • US2356015A - Oil burner : en
  • US2356045A - Lathe tool : en
  • US2355751A - Sound recording and reproducing : en
  • US2355922A - Coupling device : en
  • ES166740A3 - A PNEUMATIC DRILLING HAMMER WITH WATER COOLING : en es
  • GB563515A - Improvements in implements employed in agricultural operations such as the transplantation of cabbage and like plants or the sowing of seed : en
  • ES10278U - Acetylene gas generator for domestic and industrial uses. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233672A - Throttle arrangement adjustable by direct current or alternating current bias. : de en
  • CH233711A - Package holder. : de en
  • US2355905A - Baseball game and the like : en
  • US2356031A - Telephone substation apparatus : en
  • US2356038A - Machine for cutting rings from cylindrical tubing : en
  • CH233620A - Toolbox. : en fr
  • USD138498S - Hook attaching device for fishing lines or similar article : en
  • CH233671A - Rectifier system for supplying equipment in telecommunication centers. : de en
  • USD138504S - Design for a picture frame or similar article : en
  • CH233568A - Process for the continuous etherification of cellulose or cellulose derivatives. : de en
  • USD138519S - Design for, an earring : en
  • US2355607A - Control system : en
  • US2355821A - Thermometer well for ball-mill type reactors : en
  • US2355613A - Press for molding plastic materials : en
  • US2355700A - Sewing-machine attachment : en
  • US2355881A - Engine governor : en
  • CH233612A - Process for producing cast strands from metals and device for carrying out the process. : de en
  • US2355967A - Concrete block mold : en
  • GB563425A - Improvements relating to resilient mountings for parts of mechanically propelled or other vehicles : en
  • GB563506A - Improvements in sewing-machine table legs provided with cushioning means : en
  • US2355611A - Choke coil, resistor, or the like : en
  • ES10368U - Improved tube for liquid transfer. (Machine-translation by Google Translate, not legally binding) : en es
  • ES166702A1 - A PROCEDURE FOR THE MANUFACTURE OF THREADS BASED ON SUPERPOLIAMIDE FIBERS : en es
  • GB563429A - Improvements in and relating to lubricating greases : en
  • GB563509A - Improvements in welding electrode holders : en
  • US2355815A - Fluid conditioning apparatus : en
  • GB563490A - Improvements in apparatus for receiving as desired frequency or amplitude modulated carrier wave signals : en
  • ES10330U - Improved washer (Machine-translation by Google Translate, not legally binding) : en es
  • CH233640A - Crank mechanisms, in particular for fuel pumps. : de en
  • US2355733A - Pipe cleaning device : en
  • DK62561C - Method and Machine for Edge Assembly of Thin Sheet Iron Parts by Electrical Resistance Welding. : da en
  • US2355912A - Vehicle for propelling and driving rotary snowplows and other mechanisms : en
  • US2356018A - Railway brake gear support : en
  • DE746615C - Device for processing workpieces with an oval cross-section : de en
  • CH233621A - Limit switch for electric drive devices, in particular for driving the boom of radial drilling machines. : de en
  • CH233743A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • GB563446A - Improvements in thermionic valves : en
  • GB563458A - Improvements in or relating to trail frogs for overhead electric traction systems : en
  • DK62579C - Device by suction mud machines. : da en
  • ES164597A3 - A PROCEDURE FOR THE MANUFACTURE OF SPECIAL THREADED SCREWS AND NAILS, APPLICABLE TO ALL BODYWORK WORKS, IN THE COLLABORATION OF ACCESSORIES IN AUTOMOBILES AND SIMILAR VEHICLES, AND ESPECIALLY, IN VARIOUS JOBS : en es
  • US2356099A - Sausage linking machine : en
  • DK62566C - Spring base, especially for Beds. : da en
  • AU627242A - Improvements in and relating to surgical tourniquets : en
  • GB563473A - Improvements in or relating to containers for fluids under pressure : en
  • US2356097A - Indexing mechanism : en
  • US2355971A - Process for acylation : en
  • US2355986A - Floor clip : en
  • US2355618A - Method and apparatus for pumping : en
  • US2356013A - Continuous casting of metals : en
  • GB563435A - An improved clamping or securing device : en
  • DE746727C - Process for the photomechanical production of printing forms for doctor blade gravure printing : de en
  • GB563421A - Improvements relating to thermionic valve oscillators : en
  • ES10369U - Elastic tube made of corrugated sheet and welded with reinforcement reinforced concrete protection. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563445A - Improvements relating to wall structures having precast slab facings : en
  • GB563504A - Improvements in telephone or like systems : en
  • US2355909A - Polarized relay : en
  • US2355870A - Oil control device : en
  • AU790143A - Improvement in speed changing gear transmission for a liquid dispensing and computing pump : en
  • US2355900A - Locking wedge point setscrew : en
  • US2355798A - Continuous type steam blancher : en
  • US2355876A - Fluid brake operating transmission : en
  • US2355955A - Self-clinching nail : en
  • US2355617A - Folding chair : en
  • US2356003A - Gauging device and method : en
  • ES165162A1 - A NEW PROCEDURE FOR MANUFACTURING ALPAGAAS SOILS TO MAKE THEM WATERPROOF : en es
  • US2355919A - Coating process : en
  • IE16592L - Medicinal preparation : en
  • DK62560C - X-ray tube with swivel anode. : da en
  • DE746699C - Circuit arrangement for telephone systems : de en
  • US2355628A - Catamenial device and method of making same : en
  • ES163196A1 - IMPROVEMENTS IN THE MANUFACTURE OF ORTHOPEDIC RUBBER GARMENTS : en es
  • GB563433A - Improvements in or relating to air brakes for aircraft : en
  • ES10114U - Electric coffee machine for private use, with hermetic seal at axial pressure. (Machine-translation by Google Translate, not legally binding) : en es
  • US2356007A - Acid-resistant roll : en
  • US2355878A - Safety pilot : en
  • US2355973A - Barge : en
  • DE746614C - Arrangement for the temporary passage of flue gas pipes through combustible walls : de en
  • DE746636C - Distillation kettle for the continuous heating of light smoldering for the vapor phase refining over fixed contacts : de en
  • DK62578C - Automatic firearm. : da en
  • ES166734A1 - A PROCEDURE FOR THE PREPARATION OF SOLUBLE DERIVATIVES OF 4-4BI-AMINOBI-FENIL-SULFONA : en es
  • CH233590A - Carbon copy pad. : de en
  • DE746673C - Process for the surface protection of zinc and zinc alloys : de en
  • CH233629A - Debarker for standing tree trunks. : de en
  • CA422156A - Planting machine : en fr
  • US2355933A - Process of metal plating : en
  • US2355855A - Wall structure : en
  • CA422155A - Self-locking nut : en fr
  • CH233698A - Arrangement for the frequency modulation of a self-excited ultrashort wave transmitter consisting of a single grid tube. : de en
  • DE746537C - Process for changing the convertibility of natural or artificially formed structures which consist of or contain protein substances or of other high molecular weight structures containing basic amino or Lmino groups : de en
  • DE746711C - Swivel chair with a height-adjustable seat : de en
  • ES166055A3 - IMPROVEMENTS IN THE MANUFACTURE OF PHOTOGRAPHIC MACHINES, THROUGH MOLDS : en es
  • US2356048A - Preheating torch : en
  • US2356071A - Multivibrator : en
  • US2355938A - Temperature control of catalytic converters : en
  • US2355743A - Roller : en
  • US2355693A - Fuel preheater : en
  • US2356026A - Reel : en
  • US2355622A - Renewable fuse plug : en
  • DE746677C - Steerable sledge : de en
  • ES10386U - Sliding support for cubes and similar utensils. (Machine-translation by Google Translate, not legally binding) : en es
  • USRE22527E - Control op power actuated : en
  • US2355780A - Variable speed fluid drive transmission : en
  • DK62576C - Installations for the Cleaning and Repair of Motor Vehicles. : da en
  • US2355678A - Method for removing impurities from hydrocarbons : en
  • US2355659A - Piperidine derivatives and process for the manufacture of the same : en
  • DE746659C - Recorder for sound recorders : de en
  • DK62551C - Procedure for Exploration of Bitumen Bearings. : da en
  • US2355739A - Meteorological apparatus : en
  • ES10370U - A bathrobe with hood (Machine-translation by Google Translate, not legally binding) : en es
  • GB563439A - Improvements in devices for indicating sterilising and like heating operations : en
  • USD138548S - Combined piston and compression head or similar article : en
  • CA422147A - Phonograph turntable drive mechanism : en fr
  • US2355742A - Conduit supporting block : en
  • US2355873A - Sheet positioning device : en
  • GB563456A - Improvements in or relating to electrical condensers : en
  • GR10284B - MECHANICAL SYSTEM OF COST OF ENERGY ENERGY. : el en
  • ES9949Y - Bracelet, bracelet or similar. : en es
  • DE746709C - Dropper bottle : de en
  • US2355806A - Internal-combustion engine : en
  • US2356119A - Airplane insecticide dissemination apparatus : en
  • US2355758A - Control valve device : en
  • CH233652A - Encapsulated compressor motor unit. : de en
  • ES7419Y - Taco memo. : en es
  • ES163958A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ELECTRICAL CONDENSERS WITH HERMETIC METAL BOX TO HUMIDITY AND PREFERABLY ALSO RESISTANT TO VACUUM : en es
  • GB563529A - Improvements in or relating to electrical inverter systems : en
  • US2356089A - Faucet : en
  • US2355899A - Locking setscrew : en
  • US2355696A - Method of and apparatus for producing laminated glass : en
  • CA422063A - Fastening device : en fr
  • CH233700A - Arrangement for the electromagnetic return of an organ. : de en
  • US2355615A - Combination bathroom structure : en
  • USD138523S - Design for a clothespin : en
  • US2355989A - Slow release lock for railway switches : en
  • US2356001A - Conversion of hydrocarbons : en
  • USD138532S - Design fob an electrical connector : en
  • US2355960A - Hemoglobinometer : en
  • CH233572A - Process for the production of an acidic wool dye. : de en
  • US2355984A - Coat hanger : en
  • USD138541S - Receptacle for domestic gas system : en
  • US2356078A - Envelope for metallic objects : en
  • US2356112A - Electron discharge device : en
  • US2355804A - Packaging receptacle : en
  • CH233662A - Deflector for the compressed gas supply line to compressed gas switches. : de en
  • CH233771A - Process for the preparation of a dioxyacetone diether. : de en
  • US2356016A - Methods of coating articles with glass : en
  • US2355682A - Door lock : en
  • GB563480A - Improvements relating to the drying of travelling fabrics : en
  • CA422107A - Circuit interrupter : en fr
  • US2355718A - Electrical discharge device : en
  • CH233770A - Process for the preparation of d (+) - a, y-dioxy-B, B-dimethyl-butyric acid- (1'-methyl-3'-oxy-propyl-) amide. : de en
  • US2355610A - Tubular balloon : en
  • CH233717A - Chassis for exceptionally long and heavy, especially thermoelectric, locomotives. : de en
  • CA422138A - Ring gear : en fr
  • US2355816A - Closure : en
  • US2355832A - Assembling apparatus : en
  • ES10346U - Loose files that can be shuffled together for language learning. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563524A - Improvements in or relating to communication systems : en
  • GB563552A - A seed cartridge and weed-root destroyer : en
  • US2355734A - Floating pin mandrel : en
  • US2356034A - Comber calender roll : en
  • US2355779A - Automatic photographic machine : en
  • US2355796A - Printing machine : en
  • US2355838A - Electromechanical method of and means for conditioning surfaces of metal bodies : en
  • DE746612C - Four-stroke internal combustion engine : de en
  • ES9204Y - Protector for glass and crystal containers. : en es
  • GB563551A - Fuel pump : en
  • US2355723A - Mounting for bearings : en
  • US2355996A - Offset double-acting scoop : en
  • US2355606A - Oscillation circuit : en
  • CH233726A - Process for the production of ethyl alcohol from peat. : de en
  • ES10364U - Password for packaged products. (Machine-translation by Google Translate, not legally binding) : en es
  • CA422076A - Sheet metal container : en fr
  • CA422154A - Musketry training device : en fr
  • CH233677A - Device for illuminating visual samples with a low-voltage fluorescent tube for ophthalmologists and opticians. : de en
  • CH233702A - Mobile display device. : en fr
  • US2356120A - Upending device : en
  • CA422103A - Electron multiplier discharge device : en fr
  • US2355957A - Toy furniture : en
  • USD138543S - Design for a handbag : en
  • CH233730A - Process for the preparation of an aromatic carboxamide. : de en
  • GB563463A - Improvements in or relating to high frequency electrical apparatus : en
  • CH233735A - Process for the preparation of an aromatic carboxamide. : de en
  • CA422089A - Thermal switch : en fr
  • US2355893A - Draft unit : en
  • US2355669A - Operating piston for oil wells : en
  • US2355753A - Catalytic apparatus : en
  • US2355719A - Gauging and seam-detecting apparatus : en
  • US2355788A - Electrolytic capacitor : en
  • US2355654A - Dyestuffs for use in photography : en
  • CA422105A - Ultra-violet and visible radiation generator : en fr
  • CA422068A - Welder's air cleaner : en fr
  • US2355885A - Processes for chemically purifying and refining metals and other substances in fusion : en
  • US2355961A - Conversion of hydrocarbons : en
  • US2355976A - Telephone call transmitter : en
  • US2355874A - Art of constructing metal liquid storage tanks : en
  • ES155247A1 - A DRIVING EQUIPMENT WITH HYDRAULIC TRANSMISSIONS SPECIALLY FOR AUTOMOTIVES : en es
  • DE745824C - Process for the production of pressed accumulator vessels : de en
  • CH233529A - Process and device for the production of flake bast in a continuous operation. : de en
  • CH233530A - Device for impregnating fibers with caustic alkali solutions. : de en
  • US2355800A - Heating of fluids : en
  • US2356111A - Vehicle wheel brake : en
  • USD138509S - De pasquale etat : en
  • US2355769A - Cartridge-deflecting means for repeating firearms : en
  • CH233567A - Process for the production of formic acid from calcium formate. : de en
  • CA422117A - Synchronous motor control system : en fr
  • US2355932A - Vehicle windscreen or window opening and closing mechanism : en
  • CA422164A - Folding stretcher : en fr
  • DE741241C - Ventilated, encapsulated collector machine : de en
  • US2356094A - Method of treating selenium elements : en
  • US2355760A - Liquid clarification apparatus : en
  • US2356102A - Ignition apparatus and method of making the same : en
  • CA422168A - Adhesive layer for multiply boards : en fr
  • US2355927A - Game : en
  • US2356074A - Zinc salt of the reaction products : en
  • US2355731A - Illuminated display case : en
  • CH233664A - Circuit arrangement for reducing the ratio between response and release current of a relay. : de en
  • CH233521A - Oil firing system. : de en
  • USD138524S - Design for an umbrella or similar article : en
  • CH233562A - Process for the preparation of 4-oxy-3-carbamino-3'-acetylamino-arsenobenzene-4'-oxacetic acid. : de en
  • US2355749A - Brake for hoist machinery : en
  • DE746637C - Process for the treatment of hot coke oven or hydrogenation plant waste water to form boiler feed water : de en
  • GB563415A - Improvements in or relating to photographic cameras : en
  • CH233661A - Device for laying wire or cable. : de en
  • CH233742A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • US2355729A - Container : en
  • US2356042A - Combination non-elastic adjustable hatband and bow trim hat : en
  • CH233653A - Stove for absorption chillers. : de en
  • USD138499S - Mechanical pencil or similar article : en
  • US2355997A - Frame riveting machine : en
  • US2355653A - Supporting rack : en
  • US2355799A - Portable picture screen stand : en
  • US2355767A - Clip : en
  • US2356028A - Hydraulic machine tool : en
  • USD138533S - Design for a jacket : en
  • US2355624A - Transmission : en
  • CH233548A - Process for the production of yeast from solutions containing carbohydrates. : de en
  • CH233558A - Process for the recovery of sulfur dioxide from hydrocarbon solutions which arise from the treatment of hydrocarbon oils with solvents containing sulfur dioxide. : de en
  • CA422126A - Fluid pressure regulator : en fr
  • US2355937A - Piston expander for t-slotted and unslotted piston skirts : en
  • CA422141A - Bottle capper : en fr
  • CH233679A - Electric lamp. : de en
  • CA422134A - Hosiery-fit tester : en fr
  • AU118760B2 - Improvements relating to automatic fire sprinkler-alarm equipment : en
  • AU962343A - Improvements relating to heat radiators : en
  • CA422153A - Heater support : en fr
  • DK62574C - Procedure for Repairing Used or Scratched Cinematographic Films or for Protecting New Scratch Films by Scratching. : da en
  • DE746694C - Door with pressing device for glow stoves : de en
  • CA422083A - Engine charge forming device : en fr
  • CA422071A - Voltage transformer measuring apparatus : en fr
  • CH233752A - Process for the production of a vat dye. : de en
  • CA422104A - Power transformer : en fr
  • CH233630A - Process for manufacturing a workpiece. : de en
  • GB563424A - Improvements in photo-electric apparatus for amplifying and transmitting the indications of measuring instruments : en
  • CH233725A - Control slide mechanism for controlling various fluids, especially for beverage preparation machines. : de en
  • DE746663C - Polarizer : de en
  • CH233647A - Compressed air control installation for at least one pressurized gas generator with at least one free piston. : en fr
  • US2355642A - System for the conversion and retransmission of control signals : en
  • CH233694A - Prepaid telephone device. : en fr
  • US2355943A - Locking adjusting point setscrew : en
  • CA422157A - Railway signalling apparatus : en fr
  • US2355732A - Weed killing implement : en
  • US2355763A - Safety razor blade sharpener : en
  • CH233732A - Process for the preparation of an aromatic carboxamide. : de en
  • CA422113A - Heat-treating furnace control means : en fr
  • CH233580A - Method of making sponge rubber. : de en
  • CH233721A - Method for deterring plant-damaging dipteras. : de en
  • CA422064A - Medicinal composition : en fr
  • US2356106A - Razor blade drier and container : en
  • ES166707A1 - A CONNECTION SYSTEM TO PREVENT WRONG DISCONNECTIONS ON LINES PROVIDED WITH PROTECTION DEVICES SHORT CIRCUITS : en es
  • GB563503A - Improvements in sensitive photographic materials : en
  • ES10371U - Device for water gauging. (Machine-translation by Google Translate, not legally binding) : en es
  • USD138549S - Design for a truck tank : en
  • CH233528A - Process for the production of a solution suitable for spinning into synthetic fibers. : de en
  • DE753827A - Device for determining a time average value of flow velocities : de en
  • FR893721A - Trading game : en fr
  • US2355670A - Apparatus for treating wheat germs : en
  • ES10379U - Lock for suitcases, trunks and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • CA422162A - Package and closure : en fr
  • CH233563A - Process for the production of acrylic acid diphenylamide. : de en
  • US2355810A - Method and means of peeling grains : en
  • ES6626Y - Lock for bolts and nuts. : en es
  • DE746596C - Trocar for lung venous puncture and device for holding and adjusting the same : de en
  • USD138536S - Design for a cooky jab : en
  • USD138557S - Design for a lace tablecloth : en
  • US2355981A - X-ray system for varying intensity x-ray beams : en
  • US2356093A - Cushion, shock absorber, vibration damper, or the like : en
  • GB563482A - Improvements relating to the production of sulphonates from oils : en
  • ES166705A1 - A PROCEDURE FOR THE CONSTANT LIXIVIATION OF BEET RAJAS : en es
  • US2355634A - Yarn winding machine : en
  • DE746693C - Bearing of the runner in multi-cell engines or rotary compressors that work with a large heat gradient : de en
  • US2355748A - Pump : en
  • US2355814A - Oven for the continuous baking of cores or the like : en
  • DE746608C - Version for taking film images : de en
  • US2356066A - Safety envelope : en
  • ES10350U - Portagomas adaptable to pencils and pens. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563431A - A vehicle for transporting bombs or other loads : en
  • US2355778A - Breaking petroleum emulsions : en
  • DE746674C - Process for preparing vegetables and fruits for freezer storage : de en
  • US2355883A - Soldering iron rest : en
  • US2355988A - Weld rod covering : en
  • ES10335U - New assembly system for bypass plates in the water meter battery holders (Machine-translation by Google Translate, not legally binding) : en es
  • CA422135A - Lithographic ink : en fr
  • US2356025A - Ethyl cellulose emulsions : en
  • US2355906A - Shoe construction : en
  • US2355962A - Railway brake gear support : en
  • US2356022A - Insect trap : en
  • ES10277U - Container, with sustentºculo, for infusions. (Machine-translation by Google Translate, not legally binding) : en es
  • ES10286U - A palette of perfected painter (Machine-translation by Google Translate, not legally binding) : en es
  • GB563457A - An improved frog for the overhead conductor of an electric traction system : en
  • US2355672A - Electric shaver : en
  • DK62577C - Tire pump. : da en
  • ES10328U - Automatic device for supplying toilet paper. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563498A - Improvements in or relating to photographic emulsions : en
  • US2355801A - Spacer : en
  • US2355773A - Hydraulic clutch : en
  • US2355964A - Die structure for metallic cartridge belt links : en
  • GB563534A - Improvements in dynamometers : en
  • USD138525S - Design for a toy vehicle : en
  • CA422099A - Camera film winding apparatus : en fr
  • CH233753A - Process for the production of a vat dye. : de en
  • USD138534S - Ash tray or article op similar nature : en
  • US2355649A - Electric meter : en
  • US2355681A - Aircraft wing : en
  • US2356108A - Loading apparatus : en
  • GB563471A - Apparatus for scrambling signals : en
  • GB563501A - Selector switch for telecommunication systems : en
  • US2356060A - Anthraquinone vat dyestuffs : en
  • US2355631A - Oil-burner construction : en
  • ES163314A1 - AN APPARATUS WHOSE CHARACTERISTICS ARE THE SIMULTANEITY IN THE PRINTING AND PROJECTION OF IMAGES : en es
  • CH233745A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • ES10271U - Metallic coating, etc. (Machine-translation by Google Translate, not legally binding) : en es
  • ES166718A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR BINDING LOOSE LEAVES : en es
  • GB563536A - Improved process for the chrome tanning of leather : en
  • CA422060A - Washing machine : en fr
  • CH233674A - Electromagnetic device for pulling a piece of iron out of a hollow body. : de en
  • US2355808A - Removal of manganese from water : en
  • US2356114A - Control system : en
  • ES166706A1 - A PROCEDURE AND ITS CORRESPONDING APPARATUS FOR CRYSTALLIZATION CONTINUES BY CHEMICAL REACTION : en es
  • GB563477A - Improvements in or relating to apparatus for the separating of solid or liquid particles from a gaseous or liquid form : en
  • ES10347U - New recreation game (Machine-translation by Google Translate, not legally binding) : en es
  • DK62571C - Milking machine pulsator. : da en
  • CH233586A - Process for producing a pulp from pine wood suitable for the production of synthetic fibers. : de en
  • USD138556S - Design fob a dress : en
  • CH233537A - Process for the production of regular goods on flat knitting machines. : de en
  • GB563522A - Improvements in and relating to means for ascertaining and measuring the direction of a magnetic field : en
  • GB563512A - Improvements in chain gearing : en
  • GR10288B - MIXED ART SHOES. : el en
  • GB563432A - A vehicle for transporting bombs or other loads : en
  • USRE22529E - Fuel-cooled internal-combustion : en
  • ES10373U - A new type of sanitary napkin (Machine-translation by Google Translate, not legally binding) : en es
  • ES9233Y - Wooden floor for footwear, with rubber joint. : en es
  • IE17350L - Hones : en
  • CH233736A - Process for the preparation of an aromatic carboxamide. : de en
  • ES165831A1 - A PROCEDURE TO FUSE GLASS IN AN OVEN : en es
  • US2356109A - Fountain pen : en
  • US2355858A - Apparatus for determining the relative porosity of various porous materials : en
  • DK62568C - Savings. : da en
  • US2355792A - Method for forming closed tubes : en
  • US2355853A - Method of holding diamonds for drilling : en
  • DE746648C - Process for the production of homogeneous ferromagnetic mixtures : de en
  • CA422167A - Cellulose derivative manufacture : en fr
  • CH233628A - Dispositif destiné à empêcher les rondins de tourner, pour scie à ruban et scie circulaire. : de en fr
  • US2355715A - Machine for grading articles by weight : en
  • US2355982A - Electric water light : en
  • US2356067A - Satellite office telegraph switching system : en
  • USD138501S - Mechanical pencil or similar article : en
  • DE746623C - Process for making screened colloid relief printing forms : de en
  • DK62553C - Train signal system for signal transmission from a signal point to a train. : da en
  • US2355636A - Photographic masking : en
  • DE753869A - Bogie for rail vehicles : de en
  • GB563408A - Improvements in or relating to cyclone separators : en
  • US2356065A - Meter ink : en
  • USRE22528E - Washing machine : en
  • US2355894A - Refrigerating system : en
  • US2355936A - Arc lamp : en
  • ES163936A1 - A NEW DEVICE CONSISTING OF A SECRET MECHANICAL LOCK WHICH IS HANDLED FROM THE OUTSIDE WHERE IT IS PLACED : en es
  • GR10285B - AUTOMATIC DEVICE regulates the quantity of vapor discharged WHEREIN THE foci AERIOGONONSYSKEFON TO achieve the maximum possible ENRICHMENT BY HYDROGEN product gas while simultaneously maintaining TEMPERATURE HOB MET ... : el en
  • US2356103A - Distributing apparatus : en
  • US2355911A - Hydrazides and process of preparing same : en
  • ES10344U - A handle for cycles (Machine-translation by Google Translate, not legally binding) : en es
  • CH233637A - Device with frictional engagement that can be engaged and disengaged. : de en
  • USD138554S - Design for a stock tank heater : en
  • GB563488A - Improvements in valve operating gear for gas meters : en
  • ES10403U - Razor blade drying and preservative case. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233613A - Device for controlling the return movement of the movable mold carrier on hydraulic die casting machines. : de en
  • CH233724A - Noiseless door lock. : de en
  • CH233758A - Method for producing a synthetic resin. : de en
  • US2355721A - Brake cylinder device : en
  • US2355848A - Machine for filling containers : en
  • US2355641A - Soft hammer : en
  • US2355728A - Fertilizer distributor : en
  • US2355744A - Brush manufacture : en
  • US2355786A - Sealing means for bags : en
  • US2355864A - Ignition coil : en
  • CH233622A - Drilling machine. : de en
  • CH233741A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • USD138551S - Design for a dkess : en
  • CH233638A - Mechanism for transmitting motion from one cam to another part of a machine tool. : en fr
  • CH233765A - Process for the preparation of α- (4-oxy-3,5-diiodophenyl) -a-phenyl-propionic acid. : de en
  • US2356006A - Bus bar supporting clamp : en
  • US2355895A - Automatic releasable lock : en
  • US2356012A - Crown bottle cap : en
  • CA422165A - Micrometer device : en fr
  • CA422079A - Homogeneous alcoholic solution : en fr
  • CH233766A - Process for the preparation of a sulfonamide. : de en
  • US2355851A - Classifier : en
  • CH233618A - Rolling machine. : de en
  • DE746687C - Shedding device for the production of metal towels : de en
  • US2356041A - Safety hose clamp : en
  • US2355980A - Spare wheel carrier : en
  • CA422151A - Transfer moulding press : en fr
  • CH233774A - Tuning fork generator. : de en
  • US2355619A - Radiator fan shroud : en
  • USD138493S - Design for an embalming table : en
  • DK62569C - Self-binding Mowing Machine with Transport Rollers. : da en
  • ES10372U - Device for joining or sewing of belts. (Machine-translation by Google Translate, not legally binding) : en es
  • CA422145A - Radio volume control circuit : en fr
  • CA422148A - Camera : en fr
  • US2355966A - Underground insulated pipe system : en
  • USD138526S - Design for. a picture frame : en
  • US2356117A - Hydroelectrode control : en
  • ES164889A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • CH233581A - Method for producing a molding compound. : de en
  • CH233709A - Tread for pneumatic tires, in particular for motor vehicles. : de en
  • CH233729A - Process for the preparation of an aromatic carboxamide. : de en
  • US2355741A - Thread insertion in nipper looms : en
  • US2356005A - Method of adhering gelatine coatings to metal : en
  • US2355651A - Shelving support : en
  • US2355910A - Optical instrument : en
  • CH233565A - Process for the preparation of 2-ethyl-n-butyl-phosphate. : de en
  • CH233764A - Process for the preparation of α-3,5-diiodo-4-oxy-phenyl-α-phenylacetic acid. : de en
  • USD138520S - Design for a brooch or similar article : en
  • GB563475A - Improvements in or relating to treatment of surface finishes : en
  • CH233594A - Hinged two-piece ski. : de en
  • CA422122A - Yarn and fabric : en fr
  • CA422127A - Bursting disc : en fr
  • CA422152A - Gauging apparatus : en fr
  • US2355736A - Faucet : en
  • US2356079A - Animalizing of cellulosic materials : en
  • US2355879A - Means for transporting biscuits or like articles : en
  • DE746622C - Blueprint device : de en
  • ES10338U - Lampholder. (Machine-translation by Google Translate, not legally binding) : en es
  • SE111451C1 - : sv
  • CA422082A - Indicating system : en fr
  • CH233552A - Evaporation system with vapor compressor. : de en
  • US2355903A - Signaling system : en
  • ES9602Y - Special vase to keep flowers fresh. : en es
  • US2355889A - Coating composition : en
  • USD138515S - Design for a combined wrench and spanner : en
  • US2356062A - Therapeutic composition : en
  • US2356084A - Gas-generator unit : en
  • US2355766A - Hemmer attachment : en
  • DE746549C - Support device for body parts to be treated, especially for air ambulances : de en
  • DE746585C - Electric rectifier tubes, especially for high currents : de en
  • CH233656A - Single-phase transformer with two wrapped legs. : de en
  • CH233673A - Device on a plunger core coil arranged in the vicinity of a conductive surface for reducing the influence of the coupling between the coil and this conductive surface, which changes as a result of the displacement of the core, on the coil quality. : de en
  • SE111456C1 - : sv
  • US2355781A - Universal joint and rodding and method of making : en
  • US2356115A - Power plant synchronization : en
  • US2355656A - Automatic control for the letoff mechanism of looms : en
  • US2355975A - Liquid temperature control unit : en
  • US2355991A - Stabilized nonlinear feedback system : en
  • GB563410A - Improvements relating to mechanical remote control devices : en
  • DK62562C - Shaker for Tile Stoves. : da en
  • GB563550A - An improved windscreen wiper : en
  • US2355633A - Electrical control system : en
  • US2355644A - Bale tie : en
  • US2355860A - Motor vehicle : en
  • US2355970A - Process for acylation : en
  • ES10267U - Faucet with extensible device, dual use .; (Machine-translation by Google Translate, not legally binding) : en es
  • ES166597A3 - A MACHINE FOR THE PRODUCTION OF ARTIFICIAL FLAKE ICE : en es
  • DK62552C - Procedure for the manufacture of metallic zippers. : da en
  • ES10353U - Bristle of metallic bristles for the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355623A - Transmission : en
  • US2356024A - Method of agglomerating : en
  • GB563491A - Improvements in circuit arrangements for electromagnetic relays : en
  • ES10343U - A perfect backpack (Machine-translation by Google Translate, not legally binding) : en es
  • US2355762A - Chair or seat : en
  • US2355662A - Water delivery apparatus : en
  • US2355691A - Pyrimidine couplers : en
  • US2355785A - Game or similar device : en
  • ES10388U - Articulated frame shock absorber for bicycles. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563510A - Improvements in lavatory basins and the like : en
  • ES151554A1 - IMPROVEMENTS IN SITEMAS OF OCCLUSIVE LAYER ELECTRODES THAT COMPRISE SOLID ELECTRODES : en es
  • ES166715A1 - IMPROVEMENTS INTRODUCED IN THE TRANSMISSION ELEMENTS BASED ON METAL TAPES WITH TOOTHED TRAILER : en es
  • CH233611A - Process for the production of core sand from cupola slag and equipment for carrying out this process. : de en
  • CH233651A - Gas turbine plant with free-piston propellant gas generators and with pre-compression of the air supplied to the propellant gas generators. : de en
  • US2355605A - Extraction of drying oil : en
  • US2355632A - Coated insulating tape : en
  • CH233599A - Pulse generator for limited pressure range. : de en
  • US2355928A - Pump : en
  • US2355635A - Screen or webbing material : en
  • ES10377U - Photography of new style. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355820A - Article handling apparatus : en
  • CH233539A - Material for making clothing patterns. : en fr
  • GB563416A - Speed controlling or governing device for internal combustion engines : en
  • ES166692A1 - A COMBINED VALVE OF REGULATION, RETENTION AND VACUUM : en es
  • US2355647A - Baler wire guide : en
  • CA422059A - Fruit sorter : en fr
  • GB563540A - Improvements in or relating to carriages for lathes : en
  • US2356100A - Nut tapping machine : en
  • CH233642A - Impeller for centrifugal fans or pumps. : de en
  • CH233654A - Unipolar machine. : de en
  • US2356030A - Marker for seeding machines : en
  • US2356036A - Support for easel-back picture frames and the like : en
  • ES10052Y - Net for the suture and reconstruction of the abdominal wall in laparatomies, and especially in radical hernia operations. : en es
  • US2356122A - Crushing machine : en
  • USD138513S - Design for a button : en
  • US2355689A - Detonating cup crimper : en
  • US2355826A - Seismic prospecting : en
  • CH233678A - Process for manufacturing a gas-filled vessel and a gas-filled vessel manufactured according to this process. : de en
  • DE746682C - Process for the production of coatings from varnishes which can be hardened in the heat, in particular on a tin oven : de en
  • CH233768A - Process for the preparation of a sulfonamide. : de en
  • GB563468A - Improvements in or relating to oscillatory circuits : en
  • GB563514A - Improvements in or relating to means for effecting additive, totalising and like operations : en
  • CH233592A - Photosensitive layer. : de en
  • GB563426A - Improvements in or relating to runways for aircraft : en
  • GB563538A - Improvements relating to liquid-fuel injection means for prime movers : en
  • ES166745A1 - A REEDUCATOR APPARATUS FOR HANDS AND FEET : en es
  • GB563450A - Improvements in and relating to synchronizing indicators for alternating current systems : en
  • US2356085A - Radio antenna mast : en
  • CA422097A - Roll film camera : en fr
  • CH233710A - Pump for the automatic inflation of bicycle or motorcycle tires. : en fr
  • US2356061A - Anthraquinone dyestuffs : en
  • CH233517A - Electric space heating storage heater. : de en
  • US2355710A - Clutch : en
  • CH233715A - Gearboxes for bicycles. : de en
  • AU118759B2 - Improvements relating to heat radiators : en
  • CH233701A - Pulse receiver for positive and negative counting electrical pulses to drive registration devices, pulse transmitters or the like. : de en
  • US2355856A - Method and apparatus for making bearing-retaining lock nuts : en
  • US2355862A - Self-closing valve : en
  • CA422073A - Foundry plant : en fr
  • US2355913A - Connecting device : en
  • CH233533A - Thread end holder for thread spools. : de en
  • CH233687A - Process for producing an anesthetic compound. : de en
  • CH233703A - School bag for girls. : de en
  • ES10385U - By an antiobstructor device for drainage pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355677A - Clamping device : en
  • CA422054A - Garment trimming machine : en fr
  • AU123918B2 - Improvements in or relating to rotors for rotary wing aircraft : en
  • DE746580C - Arrangement for carrier control : de en
  • CH233699A - Device for carrier-frequency telephony and telegraphy. : de en
  • DE746700C - Method for producing the spacer for concentric high frequency lines : de en
  • US2356033A - Internal-combustion engine : en
  • CA422080A - Plasticizer : en fr
  • CH233624A - Drilling machine that has a fine boring spindle with an adjustable tool holder. : de en
  • GB563437A - Improvements in or relating to locking devices for tool-holding or like set-screws : en
  • GB563412A - Improvements in or relating to game apparatus : en
  • GB563419A - Improvements in or relating to reflecting devices for use in advertising signs, roadtraffic indicators and the like : en
  • US2355675A - Baling press : en
  • CH233519A - Device for cleaning the outside of steam tubes in ovens and the like. : de en
  • US2355725A - Cleaning and reoiling device for air cleaners : en
  • GB563470A - Improvements in or relating to press tools for working a strip or web of metal : en
  • GB563418A - Improvements relating to the vents of electric accumulators : en
  • GB563448A - Improvements relating to flash-welding : en
  • GB563496A - Improvements in or relating to the production of beta-aminopropionic acid : en
  • GB563549A - Improvements relating to cop winding machines : en
  • US2355639A - Pencil lead : en
  • US2355846A - Vulcanizer : en
  • USD138544S - Design for a fountain pen : en
  • US2355795A - Electrode system : en
  • US2355959A - Electrical relay : en
  • ES165887A1 - A PROCEDURE FOR FREELY HEATING OBJECTS OF RUBBER OR SIMILAR MIXTURES WITH OR WITHOUT TISSUE INSERTS, PREVENTING THE FORMATION OF BUBBLES OR PORES : en es
  • ES10333U - New metallic ferrule of special structure, to protect the lower part of their grips in the knives (Machine-translation by Google Translate, not legally binding) : en es
  • ES10282U - Mechanical fist applicable to speed changes for bicycles, delivery cars and similar vehicles (Machine-translation by Google Translate, not legally binding) : en es
  • ES162292A1 - A PROCEDURE FOR THE MANUFACTURE OF PAPER SCARVES : en es
  • US2355673A - Apparatus for coating webs : en
  • US2355946A - Bottle crate : en
  • ES10404U - A perfected fruit juicer (Machine-translation by Google Translate, not legally binding) : en es
  • US2355817A - Explosive compositions : en
  • USD138542S - Design for a cover for : en
  • GB563500A - Improvements in or relating to electric condensers : en
  • US2355987A - Separable fastener slider lock : en
  • US2356047A - Container : en
  • USD138527S - Design for a vacuum tube : en
  • CH233712A - Umbrella for use on bicycles, motorcycles and other vehicles. : de en
  • CH233578A - Detergents and cleaning agents. : de en
  • US2355818A - Bearing : en
  • US2356058A - Offset printing press : en
  • CA422144A - Seat construction : en fr
  • CH233713A - Chassis for bicycle trailers and handcarts. : de en
  • CH233574A - Process for the production of a vat dye. : de en
  • US2355657A - Printing telegraph apparatus : en
  • US2355837A - Substituted glyoxalidines : en
  • CA422067A - Bench cramp : en fr
  • CA422074A - Printing ink : en fr
  • CH233509A - Process for increasing the shelf life of cut flowers. : de en
  • CH233723A - Device for the supply of secondary air to the furnace in furnaces. : de en
  • CH233522A - Cleaning supplies. : de en
  • ES10336U - Box for the packaging and packing of tomatoes and other fresh fruits. (Machine-translation by Google Translate, not legally binding) : en es
  • ES9831U - Stove for domestic use. (Machine-translation by Google Translate, not legally binding) : en es
  • US2356059A - Binding device and material therefor : en
  • CH233750A - Process for the preparation of m-tolylamino-tetrahydrofuran. : de en
  • US2355717A - Electrical discharge device : en
  • GB563484A - A new or improved combined lock and stand for bicycles : en
  • CH233718A - U-shaped pantographs for electrically powered vehicles. : de en
  • CH233731A - Process for the preparation of an aromatic carboxamide. : de en
  • GB563430A - Improvements in profile form grinding machines or the like : en
  • IE16567L - Rocking chairs : en
  • CH233773A - Process for the preparation of a dioxyacetone diether. : de en
  • CH233605A - Sound conversion device with piezoelectrically excitable Rochelle salt vibrators. : de en
  • US2356057A - Game apparatus : en
  • CA422072A - Cigarette lighter : en fr
  • US2355776A - Method of and apparatus for measuring cross talk : en
  • ES166742A3 - IMPROVEMENTS IN THE MANUFACTURE OF FOUNTAINS AND NIBS FOR STYLOGRAPHIC PENS : en es
  • CH233756A - Process for the production of a vat dye. : de en
  • CH233571A - Process for the preparation of an azo dye. : de en
  • US2355782A - Method of producing a resin acid lactone : en
  • CH233747A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • US2356098A - Threaded element : en
  • US2355926A - Bracelet clasp : en
  • US2356075A - Acrylonitriles and substituted acrylonitriles as fumigants : en
  • CH233683A - Process for the production of a dioxane derivative. : de en
  • DE746634C - Block card index : de en
  • ES10228U - Device for connecting hoses in coniferous water taps. (Machine-translation by Google Translate, not legally binding) : en es
  • ES10374U - Articulated egg holder for the fastening of the viscose supplying funnels in machines for the manufacture of rayon threads. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233601A - Tube voltmeter in a compensation circuit used to measure DC voltages. : de en
  • CA422066A - Piston expander and stabilizer : en fr
  • US2356011A - Packing arrangement : en
  • US2356051A - Variable-speed drive : en
  • CH233598A - Device for testing the driving characteristics of drawbar vehicles. : de en
  • CA422087A - Sleeping car : en fr
  • CH233513A - Defense body power plant. : de en
  • CH233648A - Gas heater with heating surfaces arranged on the walls of a combustion chamber. : de en
  • AU118757B2 - Calcium carbonate of fine particle size : en
  • US2355684A - Insulator cutting machine : en
  • CA422109A - Circuit interrupter : en fr
  • US2355716A - Internal-combustion engine : en
  • ES9759Y - New power switch. : en es
  • ES9579Y - Roll-up metallic mosquito net. : en es
  • US2355833A - Assembling apparatus : en
  • US2355871A - Tube connector : en
  • CH233623A - Drill head. : de en
  • US2355983A - Electric welding machine : en
  • ES166731A1 - A PROCEDURE FOR THE MANUFACTURE OF A NEW PASTE OR PATINA OF APPLICATION IN CONSTRUCTION, DECORATION AND SANITATION MATERIALS : en es
  • DE746650C - Heating device : de en
  • GB563523A - Improvements in and relating to photographic cameras : en
  • GB563411A - A fastener for insulators : en
  • US2356046A - Paper boring and slotting machine : en
  • ES166737A1 - A METAL FORMWORK SYSTEM APPLICABLE TO CONSTRUCTION OF ARMED CONCRETE : en es
  • CA422106A - Flowing glass guide : en fr
  • CH233516A - Fireplace hat. : de en
  • US2355915A - Frozen confection : en
  • GB563493A - Improvements in or relating to directional aerial systems : en
  • ES10402U - Electric torch for traffic light signals on railways. (Machine-translation by Google Translate, not legally binding) : en es
  • US2356052A - Conductor support : en
  • US2356073A - Reaction products of aliphatic alco : en
  • ES166719A1 - IMPROVED IMPROVEMENTS IN INTERCHANGEABLE INSERTIONS FOR PORTAPLUMAS : en es
  • CH233544A - Household coffee grinder with small motor. : de en
  • USD138491S - Design for a casket : en
  • AU780342A - Improvements in or relating to shock-withstanding bearings : en
  • ES164328A3 - IMPROVEMENTS IN THE MANUFACTURE OF RAZOR BLADES GIVING THEM WITH DOUBLE EMPTYING EDGES : en es
  • ES8249Y - Extender wire stirrup. : en es
  • ES164594A1 - A COLUMB LOCK WITH AUTOMATIC CLOSURE LOCK AND KEY OPENING : en es
  • ES9514Y - Detachable trench coat. : en es
  • US2355902A - Sign with animated effect : en
  • CH233682A - Process for the preparation of synthetic acetyl-a-tocopherol. : de en
  • US2355745A - Ladies' slacks and the like : en
  • US2355660A - Process for removing the substances condensed in cold accumulators in the cooling of gases : en
  • CH233523A - Knocking device. : de en
  • CH233749A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • DE746607C - Method and device for determining the exposure time of photographic objects : de en
  • DE746647C - Feedback limitation for photocells : de en
  • GB563517A - Improvements in electric transformers, chokes and inductances : en
  • US2355969A - Garment hanger : en
  • CH233511A - Floor. : de en
  • CH233550A - Process for the production of jam-like fruit preparations. : de en
  • ES10254U - Rule that allows to perform in an automatic way what music is called tonal transport. (Machine-translation by Google Translate, not legally binding) : en es
  • GB563487A - Improvements in or relating to tools for pressing sheet metal : en
  • CH233719A - Adjustable propeller with counterweights. : de en
  • DE746665C - Suitcase projection device : de en
  • US2356032A - Glove : en
  • US2355756A - Plastic material and method of waterproofing the same : en
  • US2355789A - Method of making fabric : en
  • DK62559C - Electric Discharge Tube with a Plate- or Disc-Shaped Body of Ceramic Material or Glass for Retaining the Electrodes in the Electrode System. : da en
  • US2355713A - Fuel supply means for internal-combustion engines : en
  • US2355940A - Demagnetizing system : en
  • CA422093A - High frequency switch shielding : en fr
  • ES162273A1 - A PROCEDURE TO REPLACE LINEAR SYNTHETIC POLYAMIDES : en es
  • ES10384U - Tablet counter device. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233573A - Process for the production of a vat dye. : de en
  • CH233619A - Device for displaying and determining cutting speeds and diameters on machine tools. : de en
  • ES10227U - Simplified tie to tie to the oxen and applicable to the current yokes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355697A - Sheet delivery mechanism : en
  • US2355836A - Exhaust fan : en
  • CA422102A - Electrical filter and decoupling circuit : en fr
  • CA422115A - Railway car generator control means : en fr
  • ES10339U - Closing for removable and changeable lady bags (Machine-translation by Google Translate, not legally binding) : en es
  • ES166712A1 - A TELEPHONE OR SIMILAR SIGNAL SYSTEM : en es
  • US2355685A - Wind simulator device for ground trainers : en
  • US2355805A - Antifriction bearing shield : en
  • US2356121A - Bristle feeding mechanism for brushmaking machines : en
  • GB563495A - Plasticizing butadiene styrene copolymer : en
  • GB563516A - Improvements in implements employed in agricultural operations such as the transplantation of cabbage and like plants or the sowing of seed : en
  • US2355707A - Structural member and method of making same : en
  • US2355835A - Article support : en
  • CH233616A - Extrusion press for the production of workpieces with a longitudinally variable cross-section. : de en
  • CA422077A - Sheet metal container : en fr
  • ES10376U - Mechanically tilting tuning dial for radio receivers, transmitters or transmitters. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233577A - Process for the production of solutions of organic substances, in particular natural or synthetic resins and film-forming substances. : de en
  • CH233669A - Converter with periodically actuated switching contacts. : de en
  • ES166698A1 - ONE POWER SUPPLY DEVICE PER SERVOMOTOR FOR PAIRED AUTOMATIC WEAPONS : en es
  • US2355896A - Bayonet catch mounting for furnaces : en
  • US2355897A - Draft regulation for furnaces : en
  • US2355735A - Quality grader : en
  • US2355794A - Vehicle body construction : en
  • US2356019A - Conversion of hydrocarbon oils : en
  • US2356008A - Vehicle body : en
  • USD138502S - Mechanical pencil or similar article : en
  • CA422057A - Ball and roller bearing : en fr
  • CA422078A - Rotogravure ink : en fr
  • CH233643A - Drum-shaped blade carrier for axial gyroscopic machines. : de en
  • CH233606A - Method for erasing a magnetic recording on a recording medium wound into a reel. : de en
  • CH233759A - Calculator for calculating, booking and other machines with counters. : de en
  • AU118761B2 - Improvements in and relating to surgical tourniquets : en
  • US2355643A - Means for positioning objects : en
  • CH233546A - Semolina cleaning machine. : de en
  • CA422075A - Sheet metal container : en fr
  • CH233512A - Flap weir. : de en
  • US2355658A - Method and apparatus for mass spectrometry : en
  • US2355861A - Spinning line cathead : en
  • US2356009A - Process for manufacturing hard metal compositions : en
  • CA422111A - Welding apparatus protective control system : en fr
  • CH233587A - Foldable conical shape made of perforated cardboard for potting plants. : de en
  • CA422149A - Mercuri-acetylide compound : en fr
  • CH233676A - Arrangement for grid control of vapor or gas discharge vessels. : de en
  • GB563417A - Improvements in or relating to the loading of transmission lines for signal currents : en
  • CH233518A - Air intake nozzle for gasifier. : en fr
  • DE746675C - Photographic camera in which a photoelectric, self-delivering current cell is movably built in to measure the strength of the incident light : de en
  • GB563428A - Building units : en
  • GB563499A - Improvements in means for operating curtains : en
  • CH233696A - Wireless communication technology device. : de en
  • CH233706A - Carrier. : de en
  • CA422085A - Liquid dispenser : en fr
  • US2355827A - Brake : en
  • ES10113U - Three-body electric choir (Machine-translation by Google Translate, not legally binding) : en es
  • US2355866A - Stock pusher : en
  • USD138547S - Dresser for grinding wheels or the like : en
  • ES10394U - New children's game of regal architecture (Machine-translation by Google Translate, not legally binding) : en es
  • ES166552A1 - A DEVICE FOR MEASURING AND REGULATING THE STRING OF THE STRING IN THE LUMINATORS : en es
  • GB563449A - Improvements in and relating to the construction of bushings for electrical apparatus : en
  • CH233639A - Transmission. : de en
  • ES166708A1 - A LOCOMOTIVE THAT WORKS WITH ESCAPE STEAM PRECIPITATION : en es
  • ES166727A1 - A PROCEDURE OF HYDROGENATION OF RESIN OILS BY CATALYST : en es
  • CH233570A - Process for the preparation of a new monoazo dye. : de en
  • CH233761A - Speed controllers, in particular for hoisting machines. : de en
  • GB563466A - Improvements in or relating to hydraulic controls for aircraft undercarriages : en
  • US2355616A - Lubricant : en
  • US2355774A - Apparatus for conveying pulverized material : en
  • USD138492S - Design for a casket : en
  • ES166700A3 - A PROCEDURE FOR PHOTO REPRODUCTION OR PHOTOGRAPHIC ENLARGEMENT OF COLOR PHOTOGRAPHS ON PAPER, CARDBOARD OR TRANSPARENT SUBJECTS, BASED ON COLOR PHOTOGRAPHS ON SENSITIZED FILMS OR PLATES : en es
  • GB563467A - Improvements in aircraft : en
  • ES10383U - Tap or stopcock. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355755A - Slicing knife : en
  • US2355845A - Sectional channel closure means : en
  • US2355614A - Life preserver : en
  • US2356017A - Governor : en
  • US2356096A - Mixing distributor : en
  • CH233655A - DC-DC converter. : de en
  • US2355664A - Fire control apparatus : en
  • US2356029A - Shoeshine outfit : en
  • ES10334U - New machine for drilling paper, with the application of reinforcements in it. (Machine-translation by Google Translate, not legally binding) : en es
  • ES166320A1 - A PROCEDURE FOR THE MANUFACTURE OF RECTAL CANNULES, BAQUELITE BASE, UREAFORMALDEHIDO AND OTHER ARTIFICIAL THERMO-BUILDING MATERIALS : en es
  • GR10287B - METHOD OF PRODUCTION OF CARBOHYDRATES, LIQUID CARBONS AND WOOD CONVERSION PRODUCTS : el en
  • US2355843A - Roller bearing : en
  • US2355663A - Trailer : en
  • CA422158A - Railway traffic controlling apparatus : en fr
  • US2355914A - Mechanical pencil : en
  • CA422114A - Voltage regulator control equipment : en fr
  • CH233604A - Device for converting a measured variable of one type of current into a measured variable of another type of current. : de en
  • CH233646A - Control device for externally ignited two-stroke light oil injection internal combustion engines. : de en
  • US2355935A - Foam generator powder : en
  • US2355842A - Combined cutter, distributor, and protector for outboard motors : en
  • CA422132A - Rubber spring : en fr
  • CH233540A - Hat. : en fr
  • US2355929A - Folding table construction : en
  • US2355951A - Snap switch : en
  • US2355690A - Strip feeding and bursting device : en
  • CA422092A - Diazine derivative : en fr
  • CA422159A - Collapsible container : en fr
  • US2355934A - Signaling system : en
  • ES10288U - Front set with drive wheels for electric car. (Machine-translation by Google Translate, not legally binding) : en es
  • CH233542A - Composite outsole for shoes. : de en
  • ES166725A1 - A PHOTOGRAPHIC PHOTOELECTRIC CELL DEVICE : en es
  • ES166728A3 - SOME PERFECTIONS IN THE ASSEMBLY OF THE SECURITY LOCKS : en es
  • US2355802A - Parallel mechanism for looms : en
  • US2355886A - Steam generator : en
  • AU1380044A - Improvements in or relating to rotors for rotary wing aircraft : en
  • US2355791A - Handle fob vehicle doors : en
  • US2355708A - Merchandise conveying system for self-help stores : en
  • US2355944A - Ornamental chain : en
  • USD138555S - Design foe a jacket : en
  • US2355908A - Telephone system : en
  • CH233541A - Method of making slippers. : de en
  • CH233524A - Frame. : de en
  • US2355977A - Sealing composition : en
  • US2355752A - Electronic alarm : en
  • US2355849A - Torch tip : en
  • CA422124A - Regulator mechanism for vehicle windows : en fr
  • CH233543A - Method and device for regulating the temperature of grinding rollers. : de en
  • US2355783A - Shock absorber : en
  • CA422139A - Electron multiplier : en fr
  • US2355738A - Ornamental materials : en
  • CH233775A - Braking device with variable translation in the brake linkage. : de en
  • US2356081A - Injection method of molding thermosetting material : en
  • US2355867A - Detachable freight carrying device : en
  • US2356056A - Soap container : en
  • USD138510S - Design for a seat unit : en
  • DK62554C - Feedback Termination Oscillator Generator with a Grid Capacitor and a Lead Resistance. : da en
  • US2356090A - Axminster loom : en
  • AU823243A - Beta-aryloxy-alkyl acrylic esters and co-polymers thereof : en
  • CA422116A - Blasting machine : en fr
  • CH233650A - Gas turbine system, from whose working fluid circuit a partial amount is constantly withdrawn. : de en
  • US2355990A - Altimeter : en
  • GB563489A - Improvements relating to braking means applicable to vehicle steering mechanisms : en
  • CA422128A - Auxin composition : en fr
  • US2356023A - Article and process of making the same : en
  • US2356082A - Method of and apparatus for firing gun perforators : en
  • US2356064A - Engine control device : en
  • US2355626A - Transmission : en
  • CH233536A - Switching device on sewing machines with an electric drive motor. : de en
  • US2355995A - Water-soluble cutting composition : en
  • CH233583A - Method and device for producing a coating made of light metal, in particular aluminum, on strips or wires made of heavy metal. : de en
  • USD138508S - Clasp for a handbag or the like : en
  • CH233641A - Process for the lubrication of running machine parts, in particular gear wheels. : de en
  • CH233660A - Process for improving the insulation properties of glass films. : de en
  • GB563472A - A tool for destroying weeds : en
  • US2355784A - Pulverizer : en
  • AU939043A - Improvements in or relating to electrical relay circuits : en
  • DE746620C - Heating and cooling roller : de en
  • AU118762B2 - Improvements in or relating to shock-withstanding bearings : en
  • DE746601C - Device for braking a conveyor basket that has become ropeless or the like. : de en
  • AU816043A - Improvements in and relating tothe recovery of tin from tinplate andthe like tin-carrying materials : en
  • US2355807A - Stapling device : en
  • US2355726A - Abrasion resistant articles and alloys : en
  • CH233591A - Process for treating the surface of photographic films. : de en
  • AU828543A - Calcium carbonate of fine particle size : en
  • US2355775A - Interlock for couplings and supports of trailers : en
  • CH233614A - Process for the production of a soldered connection in metal pipes inserted into one another. : de en
  • CH233704A - Non-slip crampon. : en fr
  • GB563436A - Improvements in or relating to the centrifugal casting of metal bodies or articles : en
  • ES9979Y - Perfected handle for suitcases of all kinds. : en es
  • CH233596A - Inside measuring device for measuring blind holes. : de en
  • CH233636A - Nut. : en fr
  • CA422112A - Flexible insulating material : en fr
  • CH233569A - Process for the preparation of a mixture of monomeric and polymeric methylethylpyridine. : de en
  • BE457278A - : en fr
  • AU118752B2 - Flotation frothing agent : en
  • CH233553A - Process for breaking aqueous dispersions. : de en
  • US2356049A - Method of resistance welding : en
  • USD138522S - Design for a brooch or similar article : en
  • US2355712A - Production of cellulose esters : en
  • CA422163A - Sheet material perforating apparatus : en fr
  • CH233685A - Process for the preparation of a basic aralkyl ether. : de en
  • CA422095A - Camera latch : en fr
  • CA422100A - Camera focussing apparatus : en fr
  • CH233600A - Libra. : de en
  • CA422131A - Clothes wringer : en fr
  • CH233585A - Process for producing uniformly colored protective layers on the surface of cast parts made of magnesium alloys. : de en
  • CH233602A - AC current meter. : de en
  • USD138558S - Design fob a lace tablecloth : en
  • CH233760A - Ball joint for lightweight construction. : de en
  • GR10289B - ALCOHOL SPONDER DRINK. : el en
  • GB563413A - Improvements in inspection lamps : en
  • CH233762A - Method and device for removing liquid droplets floating freely in air or gas streams. : de en
  • US2356116A - System and apparatus for facsimile telegraphy : en
  • CA422088A - Brake construction : en fr
  • DK62555C - Device at Radiobaaker for azimuthal Directional determination. : da en
  • CH233767A - Process for the preparation of a sulfonamide. : de en
  • US2356027A - Bearing assembly : en
  • CH233510A - Device for generating high-voltage current pulses for charging the fencing wires of parts of the terrain. : de en
  • CH233607A - Heat and acid-resistant steel alloy. : de en
  • US2355621A - Finned tube : en
  • US2355813A - Method of logging : en
  • CH233688A - Process for the production of ascorbic acid. : de en
  • DE746606C - Control device for sound recorders : de en
  • US2355671A - Apparatus for treating germs of wheat : en
  • US2355958A - Control of two-way signal transmission systems : en
  • AU118754B2 - Improvement in speed changing gear transmission for a liquid dispensing and computing pump : en
  • CH233693A - Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation. : de en
  • GB563502A - Improvements in or relating to means for testing electrical ignition systems of internal combustion engines : en
  • CH233610A - Method and device for the continuous casting of a metal strand of unlimited length. : de en
  • AU1533544A - Improvements in electric switches : en
  • CH233514A - Space heater. : de en
  • CH233748A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • CH233589A - Device for refreshing used ink ribbons for typewriters and the like. : de en
  • GB563521A - Improvements in the pistons of internal combustion engines : en
  • US2355711A - Portable grain loading elevator : en
  • CH233626A - Machine for deburring gear edges. : de en
  • CH233538A - Machine used for washing and spinning laundry. : de en
  • GB563486A - Improvements in thermionic valve circuits employing degenerative feedback : en
  • US2356095A - Process for the purification of hydrocarbon liquids : en
  • CH233555A - Liquid deaerator. : de en
  • US2355793A - Cooler : en
  • CH233566A - Process for the preparation of hexadiyne-2,4-diol-1,6. : de en fr
  • USD138552S - Design for a dress : en
  • GB563423A - A binder for loose leaves, books, periodicals and the like : en
  • GB563420A - Improvements in and relating to brazing and soldering : en
  • DK62580C - Wind engine. : da en
  • CH233561A - Method for the preparation of 3.7.12-trioxy-pregnan-one- (20). : de en
  • AU118772B2 - Oil economizing system for compressors : en
  • US2355904A - Blind-stitch sewing machine : en
  • CH233527A - Procedure for evacuating containers, equipment for carrying out the procedure and containers evacuated after the procedure. : de en
  • CH233755A - Process for the production of a vat dye. : de en
  • ES10397U - Support ring for motor vehicle wheels. : en es
  • CH233615A - Scaling-free soldering iron insert. : de en
  • DK62573C - Procedure for increasing the adhesion and durability of lacquer layers on containers. : da en
  • US2355812A - Apparatus for shaping articles : en
  • CH233663A - Control and control switch. : de en
  • US2355978A - Door handle or the like : en
  • US2355898A - Electric razor head assembly : en
  • US2355650A - Production of viscose : en
  • ES166746A1 - IMPROVEMENTS INTRODUCED IN THE SYSTEM OF ASSEMBLY OF THE WHEELS OF THE SKATES : en es
  • ES164991A1 - IMPROVEMENTS INTRODUCED IN DOMESTIC ELECTRIC COFFEE MACHINES : en es
  • US2356040A - Arc control device : en
  • US2356092A - Printing telegraph apparatus : en
  • GB563537A - Improvements relating to oscillographic apparatus : en
  • US2355947A - Storage tank or container and like shell structure : en
  • USD138530S - Design for a bottle display carton : en
  • CH233665A - Selector switch for regulating devices of transformers that switch under load. : de en
  • US2355890A - Closure fastener for screening machines : en
  • CH233691A - Amplifier system with several amplifiers connected in parallel on the input side to a common power source. : de en
  • US2355640A - Liquid clarification apparatus : en
  • GB563548A - Improved method of and means for polishing tiles and the like : en
  • CH233675A - Converter with synchronously rotating contacts. : de en
  • CH233739A - Process for the preparation of an aromatic carboxamide. : de en
  • DK62567C - METHOD OF MANUFACTURING CONSTRUCTION PARTS OF PRECIOUS ALUMINUM ALLOYS. : da en
  • USD138535S - Burton etal airplane : en
  • US2355679A - Slip-on lock device : en
  • GB563460A - Improvements relating to the manufacture of charcoal : en
  • ES165322A1 - IMPROVEMENTS IN THE MANUFACTURE OF MECHANICAL LAUNCH HARVES : en es
  • US2355797A - Roll rack for roving frames : en
  • DK62557C - Table lamp with support tube for an incandescent lamp and a surrounding, reflective inner shade as well as an outer shade. : da en
  • CA422142A - Organic compound production : en fr
  • GB563505A - Looper mechanism for sewing machines : en
  • DE746668C - Drive unit for counters in calculating machines, checkouts, value stamp machines, ticket printers, etc. like : de en
  • ES10342U - Portable cabin for steam baths, hot air baths and analogous therapeutic applications. (Machine-translation by Google Translate, not legally binding) : en es
  • ES10396U - Set of tracing sheets. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355765A - Punching apparatus and method : en
  • US2355638A - Color marking element : en
  • US2356010A - Sectional inking roller for printing presses : en
  • CH233690A - Electromagnetic signal indicator. : de en
  • DE746697C - Circuit arrangement for telephone systems to prevent cracking noises : de en
  • DE746710C - Non-metallic nozzle body, in particular made of rubber : de en
  • DK62570C - Flower scissors. : da en
  • CH233705A - Device for dispensing individual tablets or grains. : de en
  • US2356118A - Production of anhydrous magnesium chloride : en
  • ES10337U - New type circuit breakers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES10279U - Embolo for explosion engines with ribs or reinforcement ribs in its central interior structure. (Machine-translation by Google Translate, not legally binding) : en es
  • US2355950A - Rotary rod weeder : en
  • CH233560A - Process for the preparation of a derivative of acetylacetone. : de en
  • CH233633A - Device for drying peat. : de en
  • US2355925A - Polymerization process : en
  • US2355706A - Method of making mounts : en
  • US2355727A - Electric control circuits : en