• US2278501A - Glass composition and product thereof : en
  • US2278652A - Article printing device : en
  • US2279013A - Method of producting nickel iron powder : en
  • US2279068A - Wire crimping and twisting tool : en
  • DK59642C - Method for Mixing a Powdered Material in Cotton Cotton and Apparatus for Carrying Out the Method. : da en
  • US2278548A - Telephone system : en
  • US2278676A - Coin control : en
  • CA403881A - Coin selector : en fr
  • US2278908A - Thermal energy responsive indicating device : en
  • US2279061A - Apparatus for making salt : en
  • US2279241A - Apparatus for making animated motion pictures : en
  • US2279077A - Signaling device : en
  • GR9826B - WATERPROOF BURNER WITH MICROPHONES. : el en
  • US2279147A - Nesting device : en
  • USD131947S - Design for a badge or sibular article : en
  • US2278505A - View finder for photographic apparatus : en
  • US2278623A - Centrifugal positive clutch : en
  • US2279228A - Control system : en
  • US2278795A - Hydraulic pump : en
  • US2279104A - Form for casting reflecting face curb : en
  • USD131905S - Design for a gem setting or similar article : en
  • US2278624A - Motor-driven mechanism : en
  • US2279148A - Commutator cover for dynamoelectric machines : en
  • USD131983S - Design fob a dress : en
  • US2278684A - Bituminous emulsion : en
  • US2278462A - Closure : en
  • US2278894A - Toy building block : en
  • US2279027A - Electrical induction apparatus : en
  • US2279289A - Conical container and method of making same : en
  • US2279057A - Hydropneumatic power unit : en
  • US2278446A - Dump truck : en
  • US2279094A - Conductive footwear : en
  • US2278415A - Interpolymers of unsymmetrical dichloroethylene : en
  • US2278813A - Garment hanger support and transfer device : en
  • DE719391C - Gas-fired aluminum melting furnace : de en
  • CA403917A - Pipe protection : en fr
  • US2278590A - Catalytic cracking of hydrocarbons : en
  • US2278824A - Laundry machine : en
  • DE719369C - Process for the production of components, such as plates, pipes or the like, from setting materials, for example cement : de en
  • US2279172A - Control mechanism : en
  • GB544297A - Improvements relating to pile fabrics and methods of manufacturing the same : en
  • FR871137A - Electrically operated shaver or similar device : en fr
  • FR871148A - Improvements to transmission belts, conveyor belts and waterproof mats : en fr
  • DE719357C - Retractable aircraft landing gear with an emergency extension device : de en
  • DE719486C - Process for the production of a foaming agent for producing foam by mechanical means : de en
  • CA403972A - Telephone signalling system : en fr
  • CA403974A - Lignin making process : en fr
  • CA403931A - Watthour demand meter : en fr
  • US2278553A - Razor hone and holder : en
  • GB544362A - Improvements in or relating to freight containers : en
  • US2279255A - Specific gravity measuring device : en
  • DE719452C - Resilient motor support, especially in spinning centrifuges for rayon : de en
  • US2278637A - Resin of interpolymerized substances comprising acrylic or methacrylic anhydride : en
  • US2279214A - Thermal motor protective device : en
  • US2279231A - Method and apparatus for determining the carbon pressure of gases : en
  • US2279232A - Selective control apparatus : en
  • US2278730A - Apparatus for discharging bins to conveyers : en
  • US2278831A - Purification of aliphatic acids and anhydrides : en
  • US2278848A - Line blind : en
  • US2278834A - Refrigerator car construction : en
  • US2279233A - Knockdown carton : en
  • AU114959B2 - Operating internal combustion engines with high pressure gas : en
  • USD132003S - Design fok a dress : en
  • USD131958S - Design for a display cabinet for crochet hooks or the ldxe : en
  • US2279201A - Combination coupler and hanger structure for screw conveyers : en
  • USD131938S - Slip or similar article of wearing apparel : en
  • US2279038A - Bending machine : en
  • USD131945S - Design for a pin or similar article : en
  • DE718203C - Finder for photographic apparatus combined with the range finder : de en
  • AU289441A - Improvements in or relating to circuit arrangements for expanding electric oscillations : en
  • US2278547A - Starting device : en
  • US2279230A - Bushing : en
  • GB544392A - Improvements relating to laths and clips for supporting building boards : en
  • GB544281A - Improvements in and relating to pressure containers : en
  • US2278671A - Method of asphalt manufacture : en
  • US2278800A - Device for verifying the dimension and sphericity of balls : en
  • GB544284A - Improvements in or connected with electric switch boxes or the like : en
  • US2278867A - Lead-free glaze of low maturing temperature for use in decorating ceramic ware : en
  • USD131968S - Design for a brooch pin or similar article : en
  • DE719060C - Plug-in device for writing, calculating, adding or similar machines : de en
  • USD131959S - Brooch or similar article : en
  • DE719467C - Arrangement for monitoring motion processes : de en
  • GB544398A - Improvements in and relating to cop winding machines : en
  • DE719382C - Television multiplexer : de en
  • DE719418C - Cartridge pouch : de en
  • FR871062A - Improvements in sound recording and reproduction devices : en fr
  • FR871112A - Transport facility for woodworking : en fr
  • GB544355A - Improvements or relating to the electrical precipitation of suspended particles froma stream of gas : en
  • US2278587A - Chime signal : en
  • USD132004S - Design for a deess : en
  • GR9834B - MECHANICAL BOILER MANUFACTURING SYSTEM. : el en
  • GB544399A - Improvements in and relating to the spinning of rovings : en
  • CA403898A - Coin case : en fr
  • CA403912A - Work manipulator : en fr
  • CA404008A - Rotary and reciprocating mechanism : en fr
  • DE719456C - Device for measuring the speed of gases or bodies moving in gases : de en
  • GB544279A - Improvements in the detection of aircraft : en
  • US2278990A - Thermal switch : en
  • US2278437A - Safety valve construction : en
  • GB544347A - Improvements in or relating to lamps : en
  • USD131976S - Design for a separable brooch : en
  • US2278746A - Manufacture of catalysts : en
  • US2278577A - Electric fence charger : en
  • US2278924A - Bottle closure : en
  • US2279036A - Lamp fixture : en
  • US2278589A - Firearm : en
  • US2279016A - Air turbine ventilator : en
  • DE719410C - Locking device for pressure-operated adjusting struts for aircraft : de en
  • DE719502C - Grate feeder with throwing shovel : de en
  • FR871188A - Turntable press with rotating mold holder for the production of ceramic objects : en fr
  • DK59626C - Stoves for Stoves and Tiled Stoves. : da en
  • US2279126A - Engine starting mechanism : en
  • CA403999A - Telephone system : en fr
  • US2278435A - Apparatus for removing lacing threads from shoe uppers : en
  • US2278498A - Removal of sulphur from organic substances : en
  • DE719528C - Device for making dirty water usable for fire extinguishing purposes : de en
  • GB544345A - Improved method of and apparatus for forming tubes of plastic material : en
  • US2278417A - Treatment of cellulosic material : en
  • US2278509A - Catalyst regeneration : en
  • US2278490A - Ignition system : en
  • US2279096A - Production of resin-like casein glue : en
  • US2279211A - Perforating machine : en
  • DE719347C - Process for dismantling crude lubricating oils : de en
  • GB544391A - Improvements in feed and rapid traverse mechanism for lathes : en
  • US2278736A - Carpet sweeper : en
  • US2279166A - Coating apparatus : en
  • US2278923A - Ice cream bar making machine : en
  • GB544285A - Improvements in or relating to clock systems : en
  • US2278511A - Scraper : en
  • GB544322A - Improvements in and relating to electric resistance welding apparatus : en
  • FR871118A - Device for detaching, during operation, foreign bodies adhering to the blades of rotating machines, in particular hydraulic pumps and turbines : en fr
  • US2278565A - Loose-leaf binder : en
  • US2278588A - Release mechanism : en
  • US2279146A - Coupler : en
  • US2278444A - Vibrating polar relay system : en
  • US2279189A - uhljr : en
  • FR871032A - : fr
  • FR871091A - Air cleaning cartridge for emersion nautical rescue devices : en fr
  • FR871106A - Fuel for diesel engines : en fr
  • FR871192A - Floor slab system and its manufacturing mold : en fr
  • FR871152A - Liquid fuel product for lighters, lamps and other uses : en fr
  • US2278901A - Rolling crutch : en
  • US2278903A - Spring mounting : en
  • US2279281A - Method of photographing and projecting stereoscopic motion pictures in natural color with the use of color corrected black and white film : en
  • AU114950B2 - Improvements in or relating to circuit arrangements for expanding electric oscillations : en
  • USD131970S - Design for a brooch or similar article : en
  • FR871085A - : fr
  • FR871122A - gasifier gas scrubber : en fr
  • GB544289A - Improvements in cabinets for air heating and the circulation of heated air : en
  • GB544341A - Manufacture of synthetic resins : en
  • DE719531C - An elastic body clamped in an annular groove of the stationary headrace pipe or its flange insert : de en
  • US2278931A - Double lock chuck for rock drills : en
  • CA403980A - Typewriter : en fr
  • US2278680A - Quick start and stop drive mechanism for phonograph turntables : en
  • US2278940A - Picture reproduction : en
  • US2279103A - Lamp unit : en
  • US2278611A - Comb for carding machines : en
  • US2279254A - Fluid density measurement : en
  • US2278772A - Centrifugal filling means for compression molds : en
  • US2279235A - Discharger for centrifugal machines : en
  • USD131913S - Liturgical orfhrey or similar article : en
  • US2278948A - Surface marking apparatus : en
  • US2278976A - Street washing apparatus : en
  • USD131963S - Design fob a brooch or similar article : en
  • CA403936A - Vinyl resin emulsion : en fr
  • AU93741A - Improvements in frequency multipliers for altering current energy : en
  • US2278453A - Plate filter : en
  • CA403928A - Camera cover hinge assembly : en fr
  • US2279037A - Method of and means for controlling internal combustion engines : en
  • US2279107A - Heat controlling and regulating device : en
  • US2278491A - Azo dyes : en
  • US2278793A - Dispensing mechanism : en
  • US2278805A - Rate of climb meters : en
  • USD132007S - Siegel dress. ensemble : en
  • DE719544C - Middle layer for plywood panels : de en
  • DE719485C - Process for producing an airtight seal for the surfaces to be connected on metal sheets or plates which are clad by hot rolling : de en
  • US2278673A - Adhesive coated sheet material : en
  • DE719527C - Group drive for spindles of double-sided spinning, twisting and similar machines : de en
  • FR871096A - Rubber foot enhancements for tracks : en fr
  • US2278466A - Quickly disintegratable bonded food unit and method of making it : en
  • US2278724A - Typewriting machine : en
  • DE719384C - Device for testing an amplifier linearized by negative feedback with the help of the whistle point method for compliance with the prescribed degree of linearization : de en
  • DE719462C - Device on milling arbors of milling machines for the axial setting of the milling sets : de en
  • DK59629C - Magnesium alloys, in particular for the manufacture of moldings, and methods for heat treatment of such alloys. : da en
  • DE719581C - Flow meter for open channels with immersion bodies heavier than the measuring fluid : de en
  • US2278447A - Water pipe joint : en
  • FR871076A - Gasifier gas filter, especially for vehicles, and other applications : en fr
  • US2279156A - Reel : en
  • USD131995S - Design for a dress ensemble : en
  • US2278995A - Watthour meter : en
  • US2279144A - Toy piano : en
  • US2279215A - Electric steam iron : en
  • US2279267A - Deenameling process : en
  • USD131996S - Heims dress ensemble : en
  • DE719454C - Method and device for holding the cooling irons in core or molding boxes : de en
  • DE719475C - Process for the production of a continuous, cross-ribbed warp knitted fabric : de en
  • DE719543C - Control device for the automatic opening and closing of shaft doors or the like. : de en
  • AU90741A - Improvements in and relating to tractor-drawn agricultural and like implements : en
  • US2279245A - Package : en
  • US2279258A - Turbine blading : en
  • DE719496C - Interior lining of vehicles, in particular railway vehicles : de en
  • GB544295A - Improvements in and relating to sheeps-foot rollers : en
  • US2278861A - Exercising horse : en
  • US2278443A - Auxin composition : en
  • US2278596A - Compressor for pamphlets and the like within cases : en
  • US2278734A - Lamp : en
  • US2278993A - Record controlled indicating mechanism : en
  • CA403920A - Spark plug : en fr
  • US2278539A - Treatment of rubber : en
  • US2278761A - Traveling electrical contactor : en
  • US2278695A - Card hanger : en
  • DE719349C - Device for examining and measuring the tube patency between nose and ear in humans : de en
  • US2278575A - Control for electric motors : en
  • US2278847A - Process for the solidification of a liquid fuel allowing the total regeneration of the same from the solid combustible : en
  • DE719495C - Interior lining of vehicles, in particular railway vehicles : de en
  • DK59624C - Mechanism for connecting one or more lamps with low glow voltage to an AC power source with a significantly higher voltage than the glow voltage. : da en
  • DE719561C - Power regulator : de en
  • FR871102A - Handsaw : en fr
  • FR871094A - Improvements to multiplex telephony devices : en fr
  • GB544305A - Improvements in and relating to automatic coin freed vending machines and the like : en
  • FR871111A - Manufacturing process of cellulose wool using viscose : en fr
  • US2278600A - Method for coating sheet metal : en
  • US2278776A - Pneumatic gauge and inflater mechanism : en
  • DE719428C - Tail unit arrangement for increasing the longitudinal stability of aircraft, in which tail unit parts are arranged outside of the propeller jet : de en
  • DE719302C - Process for the preparation of disazo or polyazo dyes : de en
  • GR9831B - MECHANISM FOR OPERATION (MOVEMENT) OF MOBILE AIRCRAFT PARTS, BY THEIR STEERING. : el en
  • US2278769A - Cleaning machine : en
  • DE719365C - Process for the preparation of salts of p-aminophenylstibic acid : de en
  • DE719519C - Sealing for components that work against one another as a result of temperature fluctuations or the like, in particular windows of motor vehicles : de en
  • FR871174A - Improvements in cooking, heat maintenance and fuel economy, household art, and industry : en fr
  • US2278762A - Lubricant : en
  • CA403922A - Brake control mechanism : en fr
  • DE718440C - Fixing device for adjustable armrests for violin players : de en
  • FR871057A - Material ensuring opacity to light in the photograph : en fr
  • FR871198A - Coupling device with power interruption and subsequent voltage disconnection, for the protection of polyphase transmission lines : en fr
  • GB544317A - Improvements in hooks : en
  • FR871151A - Bung for drums and other applications and its removal device : en fr
  • US2278516A - Voltage indicator : en
  • US2279256A - Adhesive composition : en
  • US2279023A - Method and device for depicting objects : en
  • US2279052A - Production of hydrocarbons : en
  • US2279191A - Method and apparatus for seismic surveying : en
  • USD131981S - Design fob a dress : en
  • USRE22064E - Apparatus for heat-treating gun : en
  • US2278449A - Article handling : en
  • FR871156A - Anti-ethyl composition which can be used in particular in the manufacture or consumption of spirit drinks, and its applications : en fr
  • GB544294A - Improvements in or relating to fluid pressure driving mechanism for reciprocating or oscillating devices : en
  • FR871080A - Jackhammer : en fr
  • FR871147A - New process for manufacturing shielded electric heating elements : en fr
  • GB544365A - Method for automatically opening unsymmetrically folded printed sheets or signaturesand device for executing this method : en
  • US2278975A - Automatic arc welding head : en
  • USD131992S - Design for a dress : en
  • DE719466C - Safety razor : de en
  • DE719487C - Adjustable measuring device for the dynamic pressure on aircraft : de en
  • DE719555C - Device for attaching pencil sharpeners to pencils : de en
  • FR871093A - Improvement in gas compression devices and more particularly lighting gas : en fr
  • FR871136A - Flexible electrical conductor : en fr
  • DE719319C - Stabilizing device for indirectly acting regulator : de en
  • GB544394A - Improvements in or relating to the treatment of ores : en
  • FR871200A - Process for the preservation by freezing of natural emulsions such as blood, milk, latex, eggs, etc., and material for the application of said process : en fr
  • GB544386A - Improvements in the manufacture of solid drawn iron and steel tubes : en
  • US2278563A - Coating machine for coating sheets of material : en
  • US2279200A - Fertilizer manufacture : en
  • FR871131A - Remote control pipe shutter device : en fr
  • DE719446C - Three-phase summation circuit for automatic voltage regulators with reactive current compensation : de en
  • GB544310A - Improvements in or relating to the manufacture of polymeric materials : en
  • FR871141A - Feeding device for machine guns using cartridge bands : en fr
  • US2278768A - Power drive for pipe threading machines : en
  • US2279114A - Material serving apparatus : en
  • US2278986A - Battery connector : en
  • CA403964A - Pressure casting : en fr
  • DE719425C - Discharge device for bunker : de en
  • DK59628C - Device for acoustic spaces for influencing tone formation and sound conditions. : da en
  • US2278900A - Airplane propeller : en
  • US2279238A - Piston : en
  • US2278839A - Rotor for vibrators : en
  • US2278979A - Method of and apparatus for manufacture of metal wool pads : en
  • FR871084A - Light metal piston for internal combustion engines : en fr
  • FR871158A - Gas cooler for gasifier : en fr
  • US2279125A - Garment : en
  • FR871184A - New application of surface metallization to the mechanical connection and to the assembly of the elementary parts constituting an assembly : en fr
  • GB544396A - Improvements in and relating to power transmissions for machine tools : en
  • DE719427C - Firedamp-proof incandescent lamp bayonet socket with pole pins of the socket that establish the power connection with the line contacts in a closed room : de en
  • DE719429C - Grinding or milling machine with adjustable motor and the tool head supporting the tool spindle : de en
  • US2278785A - Brake hanger bracket and retainer means : en
  • US2279000A - Art of cooking : en
  • US2278454A - Manufacture of basic refractories : en
  • US2278925A - Bottle closure : en
  • US2278980A - Impulse distributing means : en
  • CA403958A - Inflation valve : en fr
  • DE719557C - Process for extrusion of zinc bars or wires : de en
  • US2278843A - Heating and air conditioning method and apparatus : en
  • US2279087A - Antiaircraft gun : en
  • USD131921S - Wrapping paper or similar article : en
  • USRE22061E - Cutter-head quick release : en
  • GB544381A - Improvements in the manufacture of dies of diamond and like materials : en
  • GB544304A - Improvements in and relating to braking devices for automobiles : en
  • FR871092A - Fuel gas heater for internal combustion engines : en fr
  • GB544283A - Improvements relating to titanium pigments : en
  • DE719536C - Process for the pressure extraction of coal, peat, bituminous slate and the like Like. In the presence of catalysts : de en
  • US2278430A - Rapid condenser welding system : en
  • US2278808A - Game apparatus : en
  • AU114965B2 - Improved switch construction for electric flashlights, hand lamps andthe like : en
  • DE719516C - Process for the formation of a thin film layer provided on the inner wall of the metallic mold in the production of chocolate cores : de en
  • GB544372A - Improvements in or relating to soles for footwear : en
  • US2278719A - Method of synthesizing sulphurbearing, high molecular weight hydrocarbons : en
  • AU114967B2 - Improvements in or relating to electromagnetic vibratory or reciprocatory motors : en
  • CA403900A - Ring forming machine : en fr
  • FR871081A - Control device for carrying out commands, in particular for fuel pumps of internal combustion machines, for transmissions or the like : en fr
  • GB544277A - Bearings constituted by a nitrided steel having a high surface and core hardness, and their manufacture : en
  • CA403906A - Fishing line float : en fr
  • US2278572A - Method of manufacturing glass articles : en
  • US2278599A - Sorting machine : en
  • US2278745A - Automobile starting and accessory circuit : en
  • US2278889A - Refrigerating machines arranged in cascade relationship : en
  • US2278436A - Telephone coin collector : en
  • US2279248A - Detergent composition : en
  • CA403944A - Double-walled tank car : en fr
  • US2279006A - Outboard motor lock : en
  • US2279150A - Shower : en
  • CA403902A - Screeding machine for concrete floors : en fr
  • DE719453C - Yarn laying device, especially for machines for the production of artificial threads : de en
  • FR871115A - Advanced "hermetic" motor-compressor unit for refrigeration equipment : en fr
  • GB544282A - Improvements in and relating to kite balloons and the like : en
  • USRE22059E - Feeding mechanism for rock brills : en
  • DE719301C - Process for the preparation of chromium-containing monoazo dyes : de en
  • DE719491C - Working form for tailoring : de en
  • DE719569C - Toothbrush : de en
  • US2278764A - Rubber forming method and apparatus : en
  • US2278790A - Fastening device : en
  • USD131982S - Design fob a dress : en
  • CA403957A - Automobile chassis : en fr
  • US2279279A - Plain or satchel bag-making machine : en
  • AU114942B2 - Improvements in frequency multipliers for altering current energy : en
  • US2278942A - Olive : en
  • US2279007A - Time delay circuit and relaxation oscillator : en
  • CA403896A - Printing telegraph receiver : en fr
  • DE719396C - Ten circuit for revolution counters : de en
  • FR871121A - Coating support formed from metal wires welded together and method for manufacturing such a support : en fr
  • DE719530C - Water turbine or pump : de en
  • GR9827B - IMPROVEMENTS IN SERIOUS TREATMENT. : el en
  • CA403893A - Mixing tank : en fr
  • CA403977A - High frequency oscillation generator : en fr
  • US2278507A - Electromagnetic coupling : en
  • CA403963A - Construction element : en fr
  • US2278448A - Radio shielding conduit connection : en
  • US2279045A - Metal bonded abrasive body : en
  • US2279275A - Noise suppression circuit : en
  • US2278494A - Method of working steel, and products thereof : en
  • US2278531A - Antenna coupling with a coaxial line : en
  • US2278951A - Illuminated dial instrument : en
  • US2278604A - Brush rigging : en
  • USD131908S - Holder for condiment shakers or the like : en
  • US2279177A - Superheterodyne receiving system : en
  • AU114956B2 - Improvement in tuning indicators for carrier-signal receivers : en
  • DE719361C - Tube closure : de en
  • US2278514A - Chronographic method and apparatus : en
  • US2278660A - Radiogoniometer : en
  • US2278914A - Combined supporting and display device for boxes : en
  • AU114966B2 - Improved method of and apparatus for disintegrating molten material inthe production of mineral wool : en
  • USD131948S - Finger ring or similar article : en
  • AU341841A - Improved method of and apparatus for disintegrating molten material inthe production of mineral wool : en
  • DE719409C - Adjusting strut for aircraft : de en
  • DE719537C - Socket for liquid contacts of wireless control resistors : de en
  • CA403940A - Collar and cuff manufacture : en fr
  • DE719464C - Cinema camera : de en
  • FR871138A - Electrical apparatus comprising a viscous insulating material : en fr
  • CA403985A - Concrete curing composition : en fr
  • CA403997A - Electric wave amplifying system : en fr
  • US2279263A - Bottle cap : en
  • DE719413C - Device for carburetor engines, especially for motor vehicles : de en
  • GB544313A - Improvements in operating valves for vacuum systems for controlling marine clutches : en
  • FR871077A - Method for casting metal around a ceramic body, in particular on an artificial carbon body : en fr
  • DK59637C - Hydraulic Propeller Mechanism with Swivel Blades. : da en
  • US2278508A - Back dump mechanism : en
  • US2278678A - Phonographic warning signal : en
  • US2279188A - Shirt : en
  • DE719401C - Safety device for containers under changing pressure : de en
  • CA403895A - Vibrato producing device : en fr
  • DE719541C - Method for pressing tooth, crown and bridge replacements as well as other prostheses made of synthetic resin material into investment material, in which the investment material can be subdivided by a partition plate : de en
  • US2278668A - Demodulation of frequency modulated oscillations : en
  • DE719394C - Process for the production of curable synthetic resins : de en
  • DE719470C - Carbon sanding strip for electric railways : de en
  • DK59641C - Automatic electric alarm system. : da en
  • US2278458A - Combination seat and interchangeable back : en
  • US2279059A - Refrigeration : en
  • DK59643C - Device by Cigar Machines. : da en
  • FR871161A - Fuel heater for internal combustion engine : en fr
  • US2278857A - Hair waving appliance : en
  • AU498542A - Improvements in or relating to hydraulic tipping mechanism forthe tipping bodies of lorries, wagons, trucks and like vehicles : en
  • US2278410A - Telephone system : en
  • US2278977A - Dyestuffs of the anthraquinone series : en
  • GB544377A - Improvements in or relating to surface finishing machines for honing or the like : en
  • FR871126A - Process and equipment for the manufacture of books with leather or similar binding and protruding nerves, and products obtained : en fr
  • US2278988A - Boring tool holder : en
  • FR871186A - Auxiliary spring motor mechanism : en fr
  • DE719577C - Device for the production of hollow glass blocks : de en
  • AU135809B2 - Process for manufacturing protein textile fibres : en
  • US2278477A - Corrugating apparatus : en
  • US2278944A - Brushing apparatus for metallic strip : en
  • US2278550A - Preparation of alkali metal alkoxides : en
  • USD131901S - Design for a toy swing : en
  • GB544329A - Improvements in the manufacture and design of mechanical lighters : en
  • US2278905A - Road indicator : en
  • US2278826A - Reclaimed rubber : en
  • US2278840A - Electrical control apparatus : en
  • FR871054A - Small automatic circuit breaker - one or more poles : en fr
  • US2279167A - Rotary seal : en
  • DE719471C - Method and device for radio direction finding of frequency-variable transmitters : de en
  • US2279121A - Device for timing chemical reactions : en
  • US2279277A - Removal of oxygen and the like from organic substances : en
  • FR871052A - Process for producing black enamels containing sulphides : en fr
  • GB544292A - Improvements in or relating to lever-lid tins, drums and the like : en
  • US2278661A - Refrigeration : en
  • US2278622A - Alternating current commutator motor : en
  • US2278984A - Method of treating color photographic materials : en
  • FR871127A - Device for indicating the flight state of an airplane and similar state quantities : en fr
  • GR9828B - IMPROVEMENTS IN THE TREATMENT OF OLIVE AND OTHER MATERIALS AND REAGENTS TOWARDS THIS PURPOSE. : el en
  • GB544385A - Wear compensating means for rail joints : en
  • US2278798A - Gas producer apparatus : en
  • US2279217A - Continuous strip pickling and cleaning device : en
  • US2279243A - Solenoid actuated valve : en
  • FR871123A - Improvements to liquid controlled gyro-compasses : en fr
  • US2278985A - Uncurling attachment for napping machines : en
  • USD131928S - Design for an electric shaver : en
  • US2278989A - Moisture disposal system for air cooled air conditioning units : en
  • US2278997A - Shaft coupling : en
  • US2278954A - Coating aggregate with bitumen : en
  • US2278606A - Transmission mounting for drilling rigs : en
  • US2278618A - Die assembly : en
  • US2279069A - Motor : en
  • DE719407C - Double-tail arrangement on aircraft : de en
  • DE719484C - Method and device for the production of fittings from non-ferrous metals : de en
  • US2279117A - Control apparatus : en
  • US2279209A - Brush : en
  • DK59630C - Printing for Cash registers. : da en
  • DE719489C - Chamber furnace : de en
  • DE719512C - Detachable coupling for traction and pressure means with guide sleeve, cables or the like. : de en
  • US2278890A - Dental chair and the like : en
  • GB544361A - Improvements in or relating to freight containers : en
  • US2279009A - Communication system : en
  • CA403882A - Container filling apparatus : en fr
  • US2278540A - Production or treatment of pigments and textile and other materials containing them : en
  • US2278806A - Apparatus for working surfaces : en
  • US2278971A - Electromagnetic apparatus : en
  • GB544349A - Improved calcium base alloys : en
  • US2278465A - Method for producing prepared cereals, grains, and similar products : en
  • US2278517A - Pad for ironing table tops : en
  • US2278619A - Liquid heater : en
  • US2278520A - Illuminable panel, dial, and pointer structure : en
  • FR871196A - Process for heat treating the polymerizates of butadiene and its homologues and their mixed polymerizates with styrene and acrylic nitryl : en fr
  • DE719548C - Foettinger gearbox with facilities for filling and emptying the gearbox : de en
  • US2278658A - Frequency modulation : en
  • US2278907A - Fountain pen : en
  • US2279065A - Switch construction : en
  • DE719458C - Centrifugal blower for reversible internal combustion engines : de en
  • GB544383A - Improvements in and relating to a chin strap for a helmet or the like : en
  • US2279048A - Torque controlled fuel supply system : en
  • DE719430C - Water diving board : de en
  • US2278775A - Stress transmitting device : en
  • US2278822A - Furring for mounting wallboard : en
  • US2279072A - Meat-slitting machine : en
  • US2279229A - Control apparatus : en
  • DE719360C - Gun with wedge lock : de en
  • US2279270A - Newspaper stuffing machine : en
  • CA403924A - Silver extraction : en fr
  • AU114933B2 - Improvements in or relating tothe performance of finishing operations on shoe-parts : en
  • US2278556A - Friction clutch : en
  • US2278788A - Television transmission system : en
  • US2279050A - Refrigerator : en
  • US2278854A - Drying apparatus : en
  • US2278893A - Spring mounted mine car : en
  • US2279079A - Heat treated and hardened article of manufacture made of fine grained deep hardened steels : en
  • US2278963A - Valve operating mechanism : en
  • USD131966S - Design for a brooch or similar article : en
  • CA403978A - Sound box and recorder supporting arm : en fr
  • GB544334A - A door with delivery receptacle : en
  • US2278863A - Register : en
  • DE719436C - Process for the production of cyan sodium : de en
  • US2278766A - Air conditioning apparatus : en
  • CA403989A - Multiple anvil for fastener setting machines : en fr
  • US2278409A - Graph printing tabulator : en
  • US2279035A - Lamp fixture : en
  • US2279134A - Chain : en
  • US2279113A - Cigarette advertising display : en
  • US2278598A - Sound reproducer : en
  • US2279196A - Cooking device : en
  • AU496342A - Process for manufacturing protein textile fibres : en
  • US2278747A - Chemical composition : en
  • AU311341A - Improvements in or relating to overvoltage protectors : en
  • CA404009A - Pirn winding mechanism : en fr
  • AU114962B2 - Improvements in or relating to electric circuit breakers : en
  • US2278816A - Incandescent electric lamp : en
  • AU92041A - Improvements in and relating to alternating current shunt motors ofthe commutator type : en
  • US2278705A - Automatic circuit governing device : en
  • US2278865A - Method of and apparatus for forming hats : en
  • DE719383C - Microphone with reflector : de en
  • DE719552C - Device for the return of the tow rope for the winch tow launch of gliders : de en
  • US2278830A - Fluid meter : en
  • US2278832A - Motor pump unit : en
  • CA403907A - Tool for pipe fittings : en fr
  • GR9830B - TUBE HEATING RESISTANCE, CLOSED BY SILK CARBIDE. : el en
  • AU114961B2 - Improvements in or relating to aerial systems : en
  • DE719389C - Process for homogenizing artificial silk spinning solutions : de en
  • USRE22063E - Blast furnace treatment of low : en
  • US2278464A - Medicinal preparation : en
  • US2278529A - Cabinet for phonograph records : en
  • CA13267S - Tires : en
  • AU114940B2 - Improvements in and relating to alternating current shunt motors ofthe commutator type : en
  • US2278638A - Furyl vinyl ketone and homologues : en
  • DE719441C - Device for processing road surfaces : de en
  • US2278441A - Method of making porous rubber and compositions employed therein : en
  • US2278972A - Apparatus for liquid fuel burning : en
  • US2279154A - Spring suspension : en
  • DE719395C - Arrangement to reduce the basic noise in sound recordings : de en
  • GB544299A - Method of and apparatus for mixing concrete : en
  • US2279182A - Ornamental tree : en
  • DE719476C - Pointer drive for inclination scales : de en
  • DE719578C - Adjustable styling chair : de en
  • US2278478A - Magnetic coil and arrangement utilizing the same : en
  • US2278935A - Garment carrying fixture for luggage : en
  • AU124141A - Improved switch construction for electric flashlights, hand lamps andthe like : en
  • FR871197A - Punching device for straight hosiery looms with picking : en fr
  • US2278749A - Chair arm : en
  • DE719565C - Footwear sewing machine : de en
  • USD131991S - Design fob a dress : en
  • US2278546A - Thread cutter for automatic looms : en
  • US2278934A - Process and catalyst for conversion of normal paraffins : en
  • FR871144A - Improvements made to furnaces and more specifically to carbonization furnaces : en fr
  • US2278513A - Cutoff apparatus for plastic material : en
  • US2279133A - Manufacture of piston and other rings from wire : en
  • US2279064A - Electric range : en
  • US2278635A - Resin comprising copolymers of divinyl ketone and di-isopropenyl ketone : en
  • US2278881A - Pressure vessel : en
  • DE719363C - Device for automatic replacement of the shuttle for looms for looms : de en
  • US2279098A - Vibrator comb : en
  • GR9824B - CONNECTOR FOR THE MANUFACTURE OF COAL. : el en
  • US2278926A - Knitted metallic fabric for belting and other uses : en
  • US2278717A - Solid wire and strand clamp : en
  • US2278574A - Confection making method and apparatus : en
  • DE697408C - Airtight and gastight wall duct for electrical lines in aircraft, especially in high-altitude aircraft : de en
  • DE719368C - Process for obtaining female sex hormone : de en
  • GB544359A - Composition for attaching polythene to other materials : en
  • US2278693A - Hair curler : en
  • GB544350A - Improved magnesium base alloys : en
  • FR871065A - Tubular transmission device for remote control : en fr
  • US2278722A - Metallic coating : en
  • FR871191A - Fuel feeder : en fr
  • FR871164A - Improvements to liquid-cooled gasifier nozzles : en fr
  • DE719507C - Frame for film frames : de en
  • US2278423A - Cinematographic film and method : en
  • US2278953A - Dishwasher and impeller therefor : en
  • US2278469A - Fruits and vegetables : en
  • US2278663A - Clutch throwout bearing : en
  • USD131994S - Design for a deess : en
  • GB544378A - Improvements relating to carburetters for internal combustion engines : en
  • GB544382A - Improvements relating to building bricks and blocks : en
  • GB544325A - Slider for separable sliding clasp fasteners : en
  • DE719326C - Cone crusher : de en
  • US2278998A - Refrigeration : en
  • CA403929A - Photographic shutter : en fr
  • FR871070A - Disconnecting device for high voltage direct current installations with earthed midpoint : en fr
  • US2278459A - Method of cutting materials : en
  • US2278559A - Alkenyloxy diarylamines : en
  • US2278820A - Paper carriage for accounting machines : en
  • AU223641A - Operating internal combustion engines with high pressure gas : en
  • US2279159A - Oil testing device : en
  • US2279043A - Fluid level device : en
  • US2279287A - Apparatus for cementing wells : en
  • USD132005S - Design fob a dress : en
  • USD131960S - Design fob a brooch or similar article : en
  • US2278554A - Tread plate : en
  • US2278895A - Composite material : en
  • US2279206A - Fabric for garment edging : en
  • AU88341A - Improvements relating tothe printing of textiles : en
  • US2279162A - Illuminated globe : en
  • US2278522A - Knitting machine : en
  • US2278804A - Machine for testing blasting cap shells : en
  • US2279090A - Exhaust manifold support pipe clamp : en
  • USD131935S - Design for a plumber s furnace : en
  • US2279139A - Fish scaler and scraper : en
  • FR871117A - Improvements in the manufacture of shoe heels : en fr
  • CA403897A - Coin case : en fr
  • US2278468A - Legume : en
  • DE719345C - Process for the production of Kuepen dyes : de en
  • DE719559C - Mechanically operated door lock for electrical switching cells with basquill rod : de en
  • US2278718A - Windshield wiper motor : en
  • US2278697A - Automatic tube tester : en
  • USD131952S - Design for a trailer : en
  • US2278480A - Means for automatically controlling the electrodes of arc furnaces : en
  • US2278796A - Slack or cuttings removing attachment for kerf-cutting machines of the room and pillar type : en
  • US2278767A - Coffee roaster : en
  • US2278582A - Baby carriage : en
  • CA403967A - Engine operating method : en fr
  • CA403998A - Electron discharge apparatus : en fr
  • USD131939S - Design for a barbecue table : en
  • USD131999S - Embroidered lace trimming or similar article : en
  • CA403914A - Copper refining apparatus : en fr
  • US2278412A - Lifting attachment for tractors : en
  • USD131944S - End cap for a fluorescent lighting fixture : en
  • US2279138A - Process of making alkyl amino fatty acid : en
  • FR871143A - Maps with contour lines and method used to establish them : en fr
  • AU114944B2 - Improvements in and relating to beer taps : en
  • US2278689A - Lock washer to bolt assembly machine : en
  • USD131937S - By lehmann : en
  • US2278470A - Starchy food materials : en
  • US2278644A - Process for the regeneration of catalysts containing thorium : en
  • US2278829A - Earth moving equipment : en
  • US2279187A - Alternating electric current rectifier of the selenium type : en
  • US2278657A - Tool vibrating means : en
  • US2278797A - Building construction : en
  • CA403927A - Photographic objective : en fr
  • FR871146A - Transformer for battery charging : en fr
  • US2278649A - Ball : en
  • US2278958A - Piston : en
  • USD131907S - Design for a display back : en
  • US2278523A - Pin stem finding : en
  • US2278608A - Motor control system : en
  • US2279246A - Visual direction-finding system : en
  • DE711671C - DF arrangement, especially for short waves : de en
  • FR871193A - Spray nozzle, especially for insecticides : en fr
  • FR871058A - Method and device for cutting out objects using sound, and more particularly ultrasound : en fr
  • FR871133A - Process for making artificial rubber products : en fr
  • DE718539C - Mill drying system for mill furnaces : de en
  • US2278440A - Measuring instrument : en
  • US2278713A - Hydraulic cutting machine : en
  • DE719540C - Automatic combustion regulator : de en
  • DK59635C - Bicycle support. : da en
  • US2278765A - Manipulation of acetic acid : en
  • US2279081A - Combination bale tie and holder : en
  • CA403903A - Knitting needle latch : en fr
  • FR871178A - Device for the remote transmission of orders, news or measurements : en fr
  • CA403954A - Wire drawing machine : en fr
  • US2278841A - Drill mud treating : en
  • US2278877A - Flood lighting : en
  • DE719494C - Cooling bed with inclined rollers for cooling pipes : de en
  • FR871154A - Anti-hygrometric pre-filter for the gasifier gas used to supply internal combustion engines : en fr
  • AU114964B2 - Frame support and drawbar and frame levelling means for tractor coupled agricultural implements : en
  • AU89341A - Improvements in cathodes for electron discharge devices : en
  • DE719560C - Rotary switch with a bearing cover made of molded insulating material that particularly and completely covers the switch mechanism in the base below the cap : de en
  • US2278646A - Weather-strip and drain trough for convertible bodies : en
  • USD131955S - Design for a water heater : en
  • US2278959A - Gusset ironing attachment : en
  • US2278709A - Manufacture of titanium dioxide pigments : en
  • GB544278A - Means for the mounting of clamps on wooden objects : en
  • CA403969A - Vehicle wheel lock : en fr
  • DE719431C - Roller table for cooling beds in rolling mills : de en
  • GB544351A - Improved magnesium base alloys : en
  • FR871149A - Improvements in the manufacture of waterproof fabrics : en fr
  • GB544276A - Improvements in or relating to devices for coin apparatus for telephone plants : en
  • US2278616A - Basketball game apparatus : en
  • FR871071A - Capacitor switch for the decoupling of continuously operating high voltage installations : en fr
  • FR871129A - Extrusion press for manufacturing tubes, bars or the like, and more especially cable armor : en fr
  • GB544368A - Improvements in or relating to rail cars : en
  • US2278610A - Bundle picker : en
  • US2279095A - Superregenerative receiver : en
  • CA403956A - Electrical resistance measuring instrument : en fr
  • US2278946A - Article elevating machine : en
  • US2278591A - Exercising device : en
  • US2279234A - Metallic boat : en
  • US2278422A - Thermostatic valve device : en
  • US2278786A - Flying shear : en
  • FR871179A - Improvements relating to compressors or pumps : en fr
  • US2278686A - Radio frequency wattmeter : en
  • CA403968A - Wringer : en fr
  • US2278655A - Automatic faucet : en
  • US2278690A - Frequency control system : en
  • AU90241A - An improved jointing connexion for joining flexible tubing and/ or flexible tubing and fittings : en
  • FR871176A - Frame farmhouse with solid wooden walls : en fr
  • DE719424C - Device for mechanical washing of containers : de en
  • GB544371A - Improvements in or relating to drilling tools : en
  • US2278669A - Frequency changing device : en
  • US2279175A - Multiwick floating candle : en
  • DK59645C - Container for viscous or pasty products. : da en
  • FR871113A - Improvements to the movable fins of airplanes : en fr
  • US2278670A - Process of preparing protein material : en
  • US2279137A - Candle unit : en
  • US2278471A - Cocoa nib : en
  • FR871105A - Class c amplifiers. : en fr
  • DE719533C - Drilling device : de en
  • GB544390A - Improvements in potato digging machines : en
  • US2278836A - Reactivating catalyst : en
  • US2278960A - Adjusting device for clutch elements and the like : en
  • DE719524C - Device for making loose heels with boot irons : de en
  • FR871183A - Advanced gasifier : en fr
  • US2278751A - Pouring sheet : en
  • US2279008A - Hydraulic vehicle propulsion system : en
  • US2278576A - Method of relieving gear cutters : en
  • US2278708A - Method of making fastening devices : en
  • USD131920S - Textile fabric or similar article : en
  • DE719542C - Cosmetic preparations : de en
  • US2278815A - Casting machine : en
  • FR871068A - Indirectly heated cathode with an equipotential nickel layer : en fr
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  • USD132006S - Design for a suit : en
  • US2278568A - Foldable frame : en
  • US2279179A - Electric iron and dampener : en
  • DE719558C - Paper holding rail on typewriters or the like. : de en
  • CA403884A - Foot balancer : en fr
  • US2278456A - Hair curler rod : en
  • US2278715A - Valve : en
  • US2279130A - Radio antenna system : en
  • CA403908A - Mercury switch relay : en fr
  • US2278420A - Weight actuated flowing device : en
  • US2279285A - Temperature control unit : en
  • US2279070A - Conveyer : en
  • US2278656A - Mining machine : en
  • US2278733A - Sound deadener : en
  • US2278570A - Registering device for multicolor printing : en
  • US2278783A - Process for the preparation of polyvinyl formate : en
  • US2279164A - Advertising folder : en
  • US2278928A - Brush : en
  • GB544331A - Improvements in and relating to hydraulic presses : en
  • CA403935A - Plastic composition : en fr
  • USD131953S - Design for a device for preventing sewage backflow into a liquid con- tainer of a water supply system : en
  • FR871190A - Gasifier scrubber : en fr
  • GB544311A - Means for retaining wedge blocks in position in chairs for railway rails : en
  • GB544374A - Improvements relating to saddles for cycles : en
  • DE719370C - Method and device for saturating with a larger excess of carbon dioxide and a larger amount of gas in sugar factories : de en
  • US2278807A - Hydraulic swivel having improved mud joint : en
  • GB544344A - Improvements relating to valves and combustion chambers of four-stroke internal combustion engines : en
  • US2278711A - Elastic spring and resilient wheel : en
  • US2278499A - Amine salts : en
  • US2278748A - Lettuce and carrot crate liner : en
  • US2279076A - Weighing scale : en
  • US2278584A - Automatic finishing machine : en
  • DE719373C - Notices : de en
  • US2278664A - Air inflater mechanism : en
  • US2278703A - Teletypewriter recording system : en
  • US2279284A - Silver alloy : en
  • US2278457A - Nonhalation photographic element : en
  • USD131932S - Design fob a slipper : en
  • US2278987A - Compounds of the dibenzanthrone series : en
  • US2278915A - Typewriter feeder : en
  • US2278580A - Sprinkling apparatus : en
  • US2278868A - Glass colors of high alkali resistance : en
  • US2279116A - Ice breaker : en
  • US2279205A - Ice cream : en
  • GB544367A - Improvements in temperature regulators for electrical appliances : en
  • US2278472A - Dehydrated prefrozen food product : en
  • US2278488A - Water treating apparatus : en
  • US2278938A - Armored ship construction : en
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  • US2278581A - Attic ventilator : en
  • US2278636A - Resin of interpolymerized substances comprising acrylic or methacrylic anhydride : en
  • US2278912A - Garment hanger : en
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  • DE719553C - Hydraulic or pneumatic adjustment device for planetary gear change gear : de en
  • US2278842A - Attachment for fishing lines : en
  • DE719352C - Stock mills for fiber : de en
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  • GB544321A - Improvements in or relating to concrete floors : en
  • GB544307A - Improvements in the production of fluoroactivating light, especially for photographic purposes : en
  • US2278460A - Control system : en
  • US2278489A - Magneto-electric machine : en
  • CA403948A - Magnesium base alloy : en fr
  • US2278601A - Antenna tunable in its length : en
  • US2278878A - Method for delustering and pigmenting : en
  • US2278492A - Pentakisazo dye : en
  • US2278849A - Line blind : en
  • DK59623C - Process for the Preparation of 2-Amino-4-methylpyrimidine. : da en
  • US2279165A - Cover for meter enclosures : en
  • AU171641A - Improvements in or relating to circuit arrangements for synchronising an oscillation generated bya generator inthe correct phase : en
  • US2278891A - Annealing furnace : en
  • US2279005A - Door construction : en
  • US2278634A - Resins comprising the acrylic and methacrylic acid esters of the hydroxybiphenyls : en
  • US2278969A - Welding head protective device : en
  • US2279199A - Catalytic conversion of hydrocarbons : en
  • US2279249A - Spark gap device : en
  • US2278872A - Pigment for coloring ceramic compositions : en
  • DE719293C - Process for coloring vulcanized fiber : de en
  • CA403933A - Electrical induction apparatus : en fr
  • US2278725A - Magnesium base alloy : en
  • US2278819A - Spraying apparatus for distributing machines : en
  • USD131918S - Textile fabric or similar article : en
  • US2278615A - Dual flash welding apparatus : en
  • US2278666A - Window construction : en
  • US2279135A - Paper dispensing cabinet : en
  • CA403890A - Cooking stove : en fr
  • US2278862A - Loom : en
  • US2279044A - Mold for electric welding : en
  • FR871160A - Protective device applicable, more particularly, to roller mills : en fr
  • DE719386C - Ignition device for metal vapor converters with liquid cathode : de en
  • DE719506C - Carbon electrode for chemical emission spectral analysis : de en
  • DE719523C - Conversion of ship steam power plants with low operating pressure into those with higher operating pressure : de en
  • DE719508C - Registering, eltkromagnetic strain or tension meter for shredding machines, working according to the induction principle : de en
  • AU90641A - Improvement in tuning indicators for carrier-signal receivers : en
  • CA403941A - Corrugated board manufacturing apparatus : en fr
  • GB544315A - Improvements in clamping means applicable, for example, in heel attaching machines : en
  • FR871051A - Monthly planner : en fr
  • US2279192A - Pipe still furnace structure : en
  • US2278789A - Plumbing structure : en
  • CA403923A - Truck and brake arrangement : en fr
  • DE719526C - Short apron stretching system : de en
  • FR871120A - Braun tube : en fr
  • CA403981A - Spinning spindle : en fr
  • US2279129A - Drill bit : en
  • DE719303C - Process for the production of azo dyes : de en
  • US2278974A - Bushing for encased electrical apparatus : en
  • DE719445C - Switching arrangement for alternating switching on and off of load circuits : de en
  • US2278728A - Fluid pressure regulator : en
  • USD131900S - Design for an altar : en
  • US2278530A - Ammunition : en
  • DE719308C - Skin cleanser : de en
  • US2278525A - Conveyer and coucher belt process and machine for thickening pulp : en
  • US2279174A - Wire drawing apparatus : en
  • DE719380C - Pull-up device for conveyor wagons : de en
  • GB544302A - Improvements in electric rectifying circuits employing indirectly heated rectifying tubes : en
  • US2278537A - Manufacture of aliphatic compounds : en
  • US2279082A - Refrigeration : en
  • DE719367C - Circuit arrangement in telecommunication systems, in particular telephone systems : de en
  • US2278407A - Thermal treatment of carbonaceous materials : en
  • US2279203A - Ice cream mixture : en
  • US2278571A - Method of stacking and treating fruits and vegetables in coloring rooms : en
  • US2278913A - Automatic brake for gyroscopic instruments : en
  • CA403970A - Hinged floor rack for cars : en fr
  • US2278784A - Grinding machine : en
  • DE719416C - Car bodies, especially for motor vehicles : de en
  • US2279219A - Material grinding machine : en
  • US2278898A - Camouflage material : en
  • US2278495A - Method of working steel, and products thereof : en
  • US2279193A - Book construction : en
  • USD131931S - Brooch pin or similar article : en
  • US2278810A - Folding brace : en
  • US2279003A - Hard facing material and method of making the same : en
  • US2279115A - Material serving apparatus : en
  • USD132002S - Riesenberg dress ensemble : en
  • USD131911S - Liturgical orfhrey or similar article : en
  • US2278632A - Generator control system : en
  • US2278426A - Drying oil and process : en
  • US2279021A - Directional receiver : en
  • AU114968B2 - Improvements in radio tuning devices for use in connection withan image rejector circuit : en
  • US2278933A - Control mechanism for printing presses : en
  • US2278579A - Master brake cylinder and switch unit : en
  • USD131903S - Design for a gem setting or similar article : en
  • US2278886A - Automatic oiling device : en
  • US2278791A - Method of forming sinusoidal grooves : en
  • US2278851A - Lubricating oil composition : en
  • AU114957B2 - Improvements in and relating to tractor-drawn agricultural and like implements : en
  • CA403913A - Can conveyer : en fr
  • CA403960A - Grain cleaner : en fr
  • US2279218A - Mineral oil composition and improving agent therefor : en
  • CA403887A - Internal combustion engine locomotive : en fr
  • CA403986A - Studio couch : en fr
  • CA404005A - Radio amplification system : en fr
  • US2278541A - Hair curling device and method of curling hair : en
  • US2279216A - Gear and pinion : en
  • US2279157A - Indicating device : en
  • SE104199C1 - Fish pull : en sv
  • US2278856A - End standard for theater chairs : en
  • US2278945A - Micrometer adjustment device : en
  • US2278929A - Geochemical prospecting : en
  • US2279208A - Relief molding of plastics : en
  • FR871150A - Further development of tires and their manufacture : en fr
  • DE719447C - Electromagnetic reverse current relay for use in protective devices for electrical systems with machines working in parallel : de en
  • DE719517C - Circulation pump for pasty masses, especially concrete : de en
  • DE719482C - Process for changing the shape of objects made of plastically deformable materials by forging, rolling, pressing, drawing or the like. : de en
  • GB544291A - Improvements in or relating to setting-up devices for stereoscopic projection apparatus : en
  • US2279158A - Reversing sander : en
  • US2278723A - Liquid mixer : en
  • US2279183A - Three row harvesting machine : en
  • CA403951A - Television receiving apparatus : en fr
  • FR871185A - New air-drying alkyd resins : en fr
  • US2279025A - Heat controlling system : en
  • DE719304C - Process for the preparation of a Kuepen dye : de en
  • DE719500C - Arrangement for achieving frequency-independent transmission via a transmission system consisting of a series connection of a frequency-dependent quadrupole and a model device : de en
  • DE719419C - Air bombs with different weights : de en
  • US2279022A - Motion picture apparatus : en
  • US2278864A - Method of and means for planting : en
  • US2278502A - Container and package : en
  • USD131910S - Liturgical orphrey or similar article : en
  • FR871167A - Improved process for treating peat, with a view to its rapid and economical drying by heating : en fr
  • US2279274A - Brake : en
  • CA404013A - Cooling device for engines : en fr
  • US2278594A - Decoy anchor : en
  • US2278699A - Boiler construction : en
  • US2278461A - Photographic sensitizing dyes and compositions containing the same : en
  • USD131987S - Design for a dress : en
  • DE719511C - Sealing of the control shaft housing on internal combustion engines : de en
  • DE719551C - Holder for flash lamps : de en
  • AU114938B2 - An improved jointing connexion for joining flexible tubing and/ or flexible tubing and fittings : en
  • CA404000A - Condenser dielectric : en fr
  • US2278682A - Compensated meter : en
  • US2278888A - Artificial structure and process for producing same : en
  • US2278936A - Radiant energy receiving system : en
  • US2278424A - Cover for textile rolls and method of making the same : en
  • CA403971A - Coating for abrasives : en fr
  • US2278503A - Signal switch : en
  • US2278475A - Baked beans and similar baked products : en
  • US2278779A - Method of reducing multipath effects : en
  • USD132000S - Design for a dress : en
  • US2278859A - Flanged wire fabric : en
  • USD131917S - Textile fabric or similar article : en
  • CA403894A - Power driven tool hand piece : en fr
  • US2279149A - Conversion system : en
  • US2279242A - Facsimile signal inverter : en
  • USD131985S - Design fob a dress : en
  • US2278732A - Insulating building structure : en
  • US2278418A - Treatment of cellulosic material : en
  • US2279042A - Screening apparatus : en
  • US2279272A - Refrigerating apparatus : en
  • USRE22057E - Method for the separation of chem : en
  • US2278949A - Irritant gas bomb discharge means : en
  • AU114951B2 - Improvements in or relating to overvoltage protectors : en
  • US2278419A - Wrench : en
  • DE719423C - Device for binding bundled letters, documents, objects and the like. like : de en
  • DE719324C - Device for feeding work pieces with a focus not in the longitudinal center, such as cartridges : de en
  • DE719375C - Process for the production of liquid hydrocarbons : de en
  • GB544352A - Improved magnesium base alloys : en
  • US2278955A - Acetylene generator : en
  • DE719403C - Pulling means for the bears of counter-blow hammer : de en
  • DE719408C - Articulated lever guide for absorbing the torsional moments in spring struts, especially on aircraft landing gears : de en
  • US2278967A - Electromagnetic mechanism : en
  • US2279181A - Stocking with elastic strain absorbing band incorporating relaxed meshes : en
  • DE719406C - Airplane wing with propulsion fan arranged in its interior : de en
  • CA403934A - Diketene halogenation : en fr
  • AU268241A - Improvements in or relating to electric arc extinguishing apparatus : en
  • US2278504A - Telephone signaling system : en
  • US2279001A - Flushing oil : en
  • US2278770A - Electric regulation : en
  • US2278781A - Optical system for cinematography : en
  • CA403945A - Flocculation apparatus : en fr
  • CA403909A - Vitamin d double compound : en fr
  • CA403959A - Surgical bandage : en fr
  • USD131990S - Design for a dress : en
  • CA403892A - Safety cleaning tool : en fr
  • CA403918A - Pipe protection : en fr
  • DE719336C - Process for printing vegetable fiber with Kuepen dyes : de en
  • DE719335C - Pipe and nut wrench : de en
  • CA403904A - Railway tie puller : en fr
  • US2278545A - Portable spot lamp : en
  • US2278627A - Molding : en
  • US2278777A - Composite article and method for making same : en
  • US2278439A - Pipe tong : en
  • US2278643A - Press unloader : en
  • US2279239A - High tension transformer : en
  • CA403987A - Valve tappet and insert : en fr
  • US2279180A - Two-way stretch strain absorbing band with aligned relaxed meshes : en
  • DE719451C - Process for the production of non-toxic town gas using water gas catalysis and with leaching of carbonic acid : de en
  • US2279269A - Rotary stuffing machine : en
  • CA404010A - Universal joint : en fr
  • GB544363A - Improvements in or relating to electric welding apparatus : en
  • FR871182A - Improvements in process and machinery for coating reflective surfaces : en fr
  • GB544335A - Positively and progressively acting speed varying device : en
  • FR871100A - Improved method and apparatus for aging potable alcohols : en fr
  • FR871072A - Ratchet freewheel : en fr
  • FR871180A - Advanced elastic stretcher holder for vehicles : en fr
  • FR871181A - Process for tanning animal skins : en fr
  • GB544376A - Improvements in or relating to measuring gauges : en
  • CA403966A - Textile machine : en fr
  • GB544298A - Improvements in face milling cutters : en
  • FR871171A - Device for fixing a hub to a sheet : en fr
  • USD131919S - Textile fabric or similar article : en
  • DE719505C - Needle ejector and needle storage container for record players and speaking machines : de en
  • DE719532C - Process for the production of alkaline swelling starches with a certain alkali content in dry form : de en
  • USRE22062E - Truck sleeper : en
  • DE717317C - Vehicle for moving masts, in particular telescopic masts, which is provided with a device with which the mast can be erected and, after being erected, lowered onto the ground : de en
  • GB544301A - Apparatus and method for the dressing of welding electrodes : en
  • DE719435C - Process for the desulphurization of gas water : de en
  • GB544393A - Game apparatus : en
  • FR871132A - Protection of polyphase high voltage networks against short-circuits or accidental earthing : en fr
  • DE719433C - Process for finishing mixed fabrics or mixed webs containing cellulose hydrate artificial silk or cellulose wool : de en
  • US2279014A - Electromagnetic apparatus : en
  • USD131946S - Design for a confection : en
  • USD131965S - Design for a combination glass dish : en
  • US2279102A - Electric razor : en
  • US2278939A - Manual fire alarm system : en
  • DE719579C - Gyroscope : de en
  • US2278964A - Gas tube : en
  • US2279155A - Receptacle closure and seal : en
  • US2278674A - Processing of tall oil : en
  • US2278885A - Shipping container anchor means : en
  • CA403953A - Relaxation oscillation generator : en fr
  • DE719387C - Suction noise damper, especially for compressors : de en
  • US2279136A - Rotary pump : en
  • FR871104A - Method of making sound recordings : en fr
  • FR871108A - Apparatus for drying printed strips or sheets of paper or fabric : en fr
  • US2279083A - Swaging machine : en
  • USD131988S - Design foe a dress : en
  • US2278429A - Reactance tube modulation : en
  • US2278735A - Mason's line holder : en
  • USD131951S - Design for an end cap for a fluo- rescent lighting fixture : en
  • IE16230L - Packeting pills, seeds, etc. : en
  • US2278421A - Valve device : en
  • US2278758A - Plasterboard reinforcement : en
  • US2278922A - Rotary mower : en
  • US2279089A - Metalworker's tool : en
  • US2278787A - Packet making machine : en
  • DE719438C - Process for the preparation of alkylated 2-dialkyl-6-oxychromanes : de en
  • US2278536A - Telephone pay station : en
  • US2279112A - Pressing apparatus : en
  • GB544308A - Improvements in or relating to valve devices : en
  • DE719534C - Device for stopping the drive machine of a wire drawing machine : de en
  • FR871142A - Instant trigger device for multiple machine guns : en fr
  • US2279060A - Thermostatic switch : en
  • FR871155A - Carburetor : en fr
  • FR871053A - Sheet metal container for wet products : en fr
  • GR9829B - CATHODIC TUBES FOR MEASUREMENT PURPOSES. : el en
  • US2278932A - Flaring and swedging tool : en
  • US2279204A - Printing cylinder : en
  • AU118389B2 - Improvements in or relating to hydraulic tipping mechanism forthe tipping bodies of lorries, wagons, trucks and like vehicles : en
  • GB544369A - Improvements in or relating to microscopes or like optical instruments : en
  • US2278917A - Dowel bar support : en
  • GB544358A - Improvements in or relating to the application of covering or reinforcing material to window or like apertures : en
  • DE719414C - Adjustment device for the throttle valve on carburetors of internal combustion engines : de en
  • US2278427A - Drying oil and process : en
  • DE719488C - Suspension of the frame in motor vehicles with four independently guided wheels : de en
  • US2278484A - Green and yellow pea : en
  • US2278597A - Shuttle for weet replenishing looms : en
  • US2278605A - Method of manufacturing hydrogen peroxide : en
  • FR871159A - New use of enamel for the improvement of electrical appliances : en fr
  • FR871128A - Preliminary distribution shutter for pressurized fluid engines : en fr
  • FR871064A - Improvements to dismountable tent huts : en fr
  • CA403905A - Combined door check and holder : en fr
  • US2278626A - Cast support : en
  • US2279031A - Radio navigation aid : en
  • DE719390C - Operating table with a height-adjustable support that can be tilted about a longitudinal and a transverse axis for a multi-part table top that can be lifted off the base frame of the table : de en
  • FR871173A - Auxiliary starting and auxiliary carburettor : en fr
  • GB544337A - Improvements in methods of vulcanising rubber, balata, gutta-percha, synthetic rubber and like substances and dispersions thereof : en
  • DE719469C - Drafting system for bast fibers : de en
  • DE719549C - Process for the production of corrosion-resistant coatings on iron and steel : de en
  • DE719478C - Cylinders for piston engines with slot control, especially for aircraft engines : de en
  • GB544357A - Improvements in or relating to aeroplanes : en
  • GB544332A - Improvements in or relating to hydraulic tilting gear for bessemer converters and the like : en
  • GB544389A - Improvements relating to laths for supporting building boards : en
  • FR871101A - Improvement in electric resistance heating plates : en fr
  • DE719359C - sandal : de en
  • US2278688A - Accumulator : en
  • US2279142A - Typewriting machine : en
  • USD131916S - Design for a textile fabric or similar article : en
  • DE719376C - Inserts for paper processing machines : de en
  • FR871095A - Improvements to direct reading direction finders : en fr
  • DE719459C - Safety device for vehicle internal combustion engines : de en
  • DE719490C - Device for separating impurities from powdery bulk goods made flowable by the storage of compressed air or compressed gas in conveyor channels : de en
  • GB544348A - Improvements relating to formwork for vibratory apparatus for consolidating concreteand similar materials : en
  • DE719372C - Wire quilting machine or stitching machine for the production of hollow bodies, tubes or the like. : de en
  • US2279101A - High tension dry contact rectifier apparatus : en
  • GB544290A - Improvements in and relating to bricks for building toy or other miniature structures : en
  • US2278681A - Safety winch : en
  • GB544343A - Improvements relating to analgesic apparatus : en
  • CA403921A - Brake control mechanism : en fr
  • FR871088A - Method for performing direct current and alternating current measurements on telecommunication lines in service : en fr
  • GB544342A - Improvements in heat insulated vessels : en
  • DE719481C - Drilling bush for deep hole drilling machines : de en
  • US2278752A - Busy signal for automatic telephone systems : en
  • USD131914S - Design for a textile fabric : en
  • US2279029A - Hand signal : en
  • US2279053A - Electric measuring instrument : en
  • US2279168A - Process for kovar-glass seals : en
  • US2278778A - Apparatus for treatment of gases with sulphuric acid : en
  • DE712895C - Process for drying gases : de en
  • FR871087A - Woolly rayon manufacturing process : en fr
  • FR871189A - License plate holder for bicycles or other vehicles : en fr
  • CA403984A - Geological strata exploring apparatus : en fr
  • US2279268A - Calorized metal and method for producing the same : en
  • USD131978S - Design for a shower curtain hook : en
  • DE719503C - Piston machine, in particular compressor, with swash plate drive : de en
  • FR871090A - Thermionic amplifiers : en fr
  • US2278792A - Gear finishing machine : en
  • US2279040A - Alternating current circuit interrupter : en
  • US2279145A - Laminated safety glass and plastic therefor : en
  • USD131926S - Design for a lantern : en
  • USD131912S - Liturgical orphrey or similar article : en
  • DE719434C - Agitator blade coupling : de en
  • CA404003A - B-indol acetic acid : en fr
  • US2279195A - Refining cracked motor fuel distillates : en
  • US2278620A - Harmonic attenuation filter : en
  • US2278874A - Chain cable : en
  • DE719405C - Fast running gear pump : de en
  • US2278828A - Telephone conversation recording : en
  • US2279194A - Azeotropic distillation : en
  • USD131969S - Design for a brooch or similar article : en
  • FR871124A - Charcoal oven : en fr
  • CA403979A - Lift : en fr
  • US2278515A - Laminated film protected surface : en
  • USD131943S - Siwfev doll or similar hmiglv : en
  • US2279140A - Electrical tire pressure gauge and indicator : en
  • SE104183C1 - : en
  • US2278782A - Container : en
  • US2279261A - Torsion gravimeter : en
  • US2278883A - Mine car bearing : en
  • USD131974S - Design foe an earring : en
  • US2278965A - Metal derivatives of amino methylene aldehydes : en
  • DK59632C - Footwear sewing machine, especially binding sewing machine. : da en
  • US2278578A - Thrust washer structure : en
  • US2279041A - Conveyer weighing scale : en
  • US2279105A - Temperature compensating means for instruments : en
  • USD131971S - Design for an earring : en
  • US2278593A - Telephone system : en
  • US2278966A - Piezoelectric apparatus : en
  • US2279185A - Receiver circuits : en
  • DE719289C - Infeed device, especially for blow offset : de en
  • US2278543A - Distillation process : en
  • US2279066A - Constant flow valve : en
  • US2278481A - Condenser discharge ignition system : en
  • CA403910A - Metallic article joining method : en fr
  • US2278694A - Double glass windowpane : en
  • US2279237A - Article holder : en
  • US2278662A - Device for cutting filamentary material : en
  • USD131954S - Combined lamp and radio receiving set : en
  • US2278740A - Rotary pump : en
  • DE719518C - Collapsible pram canopy, especially for sports cars : de en
  • US2278651A - Precise indexing chuck : en
  • CA404001A - Hoisting mechanism : en fr
  • US2279122A - Foldable table : en
  • USD131957S - Design for a portable bar : en
  • US2278738A - Cutter : en
  • US2279099A - Automatic bag stringing needle : en
  • USD131949S - Design for a milk bottle : en
  • USD131964S - Design for a fin clip : en
  • CA403983A - Unsaturated aldehyde reaction process : en fr
  • DE719504C - Exchangeable probe assembly for rigid magnetic cores held in the head of steel wire communication machines : de en
  • US2278821A - Fluid engine : en
  • US2279271A - Window unit side wing construction : en
  • US2279152A - Object conveying and discharge device : en
  • DE719554C - Springy wheel : de en
  • US2278633A - Temperature control apparatus : en
  • US2279058A - Detector for frequency modulation signals : en
  • US2279097A - Community refrigeration and gas system : en
  • US2279288A - Recording apparatus : en
  • CA403982A - Knitting machine needle : en fr
  • US2278665A - Refining petroleum oils : en
  • US2278667A - Milk sediment tester : en
  • US2279019A - Hydraulic vehicle power transmission : en
  • US2279186A - Combined dust collector and drill hole cleaner : en
  • US2278639A - Clutch plate adjuster : en
  • US2278812A - Amethyst colored gold alloy : en
  • US2279093A - Vending machine : en
  • DE719498C - Circuit arrangement for calculating charges in telecommunication switching systems, in particular telex switching, with dialer operation : de en
  • DE719563C - Arrangement for the detection, display or counting of events by means of grid-controlled discharge vessels : de en
  • US2278952A - Pilot valve : en
  • USD132001S - Design for a pin clip : en
  • CA403961A - Paper treatment : en fr
  • CA403994A - Weighing scale : en fr
  • AU289341A - Manufacture of cheese : en
  • CA403916A - Pipe protection : en fr
  • CA403925A - Colouring composition : en fr
  • US2279062A - High frequency signaling system : en
  • DK59625C - Electromagnetic Relay whose Anchor and Contacts are airtight enclosed in a Container. : da en
  • US2278408A - Liquid congealing apparatus : en
  • US2278919A - Facsimile apparatus : en
  • USD131962S - Design for a pin clip : en
  • US2278978A - Translating mechanism : en
  • USD131923S - Table scarp or similar article : en
  • US2279143A - Toy piano : en
  • USD131933S - Design for a display board or the like : en
  • USD131940S - Design for a handle for safety razors : en
  • US2279220A - Floor selector for elevators : en
  • DE719412C - Engine arrangement of a multi-engine airplane, the fuselage of which is offset from the center of the span : de en
  • DE719404C - Fast running gear pump : de en
  • US2278510A - Sensitive device for measuring linear density of wire : en
  • US2278609A - Method of producing waterproof films and hollow bodies : en
  • US2279290A - Automobile door latch : en
  • GB544319A - Improvements in microphones : en
  • DE719323C - Flexible clutch disc for shaft couplings : de en
  • DE719480C - Flow transmission with oil-filled Foettinger converters : de en
  • GB544288A - Improvements in and relating to fuel feed apparatus for boilers or furnaces : en
  • DE718343C - Process for black and white or color development in the simple or reverse process of simple or superposed halogen silver emulsion layers : de en
  • DE719374C - Process for the production of diphenylene oxide, fluorene and fluoranthene from tar fractions : de en
  • DE719442C - Pole connection for the poles of electrical collectors : de en
  • GR9832B - RESTRICTION TO MEDIATE THE SPEED OF VERTICAL FORMATION FOR PLANES. : el en
  • US2279024A - Electric circuit interrupter : en
  • FR871135A - Combined bottle opener and shoehorn : en fr
  • DK59638C - Window hasp. : da en
  • US2278750A - Method of recovering liquefiable hydrocarbons from gases or gaseous fluids : en
  • DE719417C - Pressed sheet metal hollow form as a handlebar for motorcycles : de en
  • DE719448C - Device for introducing objects into the electron microscope : de en
  • FR871139A - Method and apparatus for detecting the presence of traces of foreign gas, vapors or mists in the atmosphere : en fr
  • FR871082A - Roller links for anti-slip chains used on snow : en fr
  • GB544327A - A new or improved machine for mixing ingredients with liquids and supplying the mixture under pressure : en
  • US2278855A - End standard for theater chairs : en
  • CA403919A - Spark plug : en fr
  • DE719421C - Luminous traffic sign : de en
  • US2278892A - Catalytic apparatus : en
  • DE719139C - Process for the production of converter floors : de en
  • FR871162A - Board game : en fr
  • DE719514C - Device for turning workpieces with the help of a profile ruler : de en
  • US2278731A - Can opener : en
  • US2278982A - Printing roll : en
  • US2278991A - Device for raising and aerating liquids : en
  • US2278650A - Support for brushes and like articles : en
  • US2278716A - Deicing apparatus : en
  • US2278817A - Lifting table or truck : en
  • USD131961S - Design for a pin clip : en
  • US2278882A - Pressure vessel : en
  • DE719547C - rivet : de en
  • USRE22058E - Air conditioning unit : en
  • DE719492C - Device for receiving the sideshift of the rolls of continuous rolling mills : de en
  • US2278549A - Hydrogenation of acyl-substituted compounds : en
  • US2278756A - Method of forming tube or gasket angles : en
  • US2278814A - Detachable grain saving guard : en
  • US2278612A - Method of making cellulose glycollic acid : en
  • US2279120A - Automobile chassis : en
  • USD131979S - Design for a shower curtain hook : en
  • US2278625A - Suspension for crusher shafts : en
  • US2278685A - Drawing and observing device : en
  • DE719509C - Two-stroke internal combustion engine : de en
  • US2278727A - Relay system : en
  • DE719510C - Rotary valve seal for internal combustion engines : de en
  • GB544380A - Improvements in or relating to watch cases : en
  • DE719513C - Reinforced elastic sealing ring for cast iron pipes with a glass socket : de en
  • DE719515C - Safety device on milling machines with single-lever control : de en
  • GB544333A - Improvements in nickel-platinum alloy compositions : en
  • GB544340A - Improvements in fluid actuated control systems : en
  • FR871110A - Switch device for direct current pipelines, in particular high voltage pipelines : en fr
  • FR871145A - Improvements made on bicycles or the like : en fr
  • DE719415C - Liquid shock absorbers, especially for motor vehicles : de en
  • DE719521C - Method for pressing the center cover patch into a circular incision in the sealing cushion of capsule closures : de en
  • DE719344C - Machine for the automatic production and soldering of zinc pole sockets from sheet metal and for soldering wire connections to the zinc cans of galvanic elements : de en
  • DE719461C - Device for the production of metal coatings : de en
  • GB544384A - Improvements relating to the disposal of seepage liquid from apparatus subjected intermittently to high liquid pressure : en
  • CA403891A - Door check : en fr
  • CA403901A - Crochet kit : en fr
  • CA403949A - Magnesium base alloy : en fr
  • AU86641A - Improvements in or relating tothe performance of finishing operations on shoe-parts : en
  • US2278760A - Seat post mounting : en
  • CA404007A - Covering for railings, etc. : en fr
  • CA403886A - Plastic composition : en fr
  • US2279280A - Method for preparing dehydrated peas and beans : en
  • US2279278A - Grinding disk : en
  • USRE22065E - Anode : en
  • DE719294C - Process for the production of colorings on cellulose esters : de en
  • DK59631C - Printing for Cash registers and Posting machines. : da en
  • US2278603A - Filter : en
  • US2278884A - Terrazzo mold : en
  • US2279056A - High efficiency grid modulator : en
  • US2278566A - Drain fitting : en
  • US2279071A - Meat-slitting machine : en
  • US2278648A - Mechanical drive : en
  • DE719580C - Shaft for clocks, clockworks, instruments, etc. like : de en
  • FR871169A - Improvements in the production of tightening keys : en fr
  • FR871168A - Boiler : en fr
  • US2278630A - Electron valve : en
  • GB544339A - Improvements in variable pitch airscrews : en
  • US2278552A - Conveying device : en
  • US2278585A - Telephone system : en
  • US2279153A - Process of obtaining methanol : en
  • US2278921A - Strip stock feed mechanism : en
  • FR871119A - Braun tube : en fr
  • US2278544A - Ammunition feeding device : en
  • US2278640A - Propeller and deicing means therefor : en
  • US2278677A - Catalytic reaction of olefins : en
  • US2278930A - Coin chute : en
  • US2279086A - Compounded lubricating oil : en
  • AU306241A - Improvements in or relating to aerial systems : en
  • GB544300A - Improvements in oil injection type internal combustion engines : en
  • DE719457C - Device to prevent the icing of wind turbine measuring devices : de en
  • GB544364A - Telephone circuits : en
  • FR871098A - Process for obtaining cast constructions or construction elements, in particular of concrete : en fr
  • FR871067A - Improvements to direction-finding receivers : en fr
  • GB544286A - Improvements in or relating to clock system : en
  • FR871103A - Shoe with wooden sole : en fr
  • US2278455A - Fire resistant composition : en
  • US2279034A - Lamp assembly : en
  • US2279074A - Airplane landing gear : en
  • US2278852A - Electrical insulator attachment device : en
  • US2278602A - Method and apparatus for preparing and handling rubber material : en
  • DE719439C - Process for obtaining solid carbon print extracts : de en
  • GB544330A - Improvements in and relating to insulated electric conductors : en
  • DE719443C - Connector sleeve for electrical sockets : de en
  • US2278981A - Teleprinter unit : en
  • DE719348C - Soaps filled up : de en
  • DE719398C - Regulator for fuel injection engines : de en
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  • US2279227A - Phonograph : en
  • US2279264A - Hardness tester : en
  • US2278835A - Combined lamp and radio receiving set : en
  • US2278846A - Electric contact apparatus : en
  • US2279283A - Alloy : en
  • CA403992A - Rubber conversion product : en fr
  • US2278532A - Well flowing apparatus : en
  • USD131925S - Textile fabric or similar article : en
  • US2279176A - Hydraulic control : en
  • US2278434A - Can handling mechanism : en
  • US2279110A - Armor plate : en
  • US2278463A - Expanded food product and method of producing the same : en
  • US2278567A - Device for identification of vehicles : en
  • US2278875A - Method and apparatus for the production of artificial structures : en
  • US2278970A - Mica containing pigment and method of making the same : en
  • US2279131A - Die : en
  • US2278564A - Sanding machine : en
  • US2278487A - Electrical welding : en
  • US2278757A - Shaping machine : en
  • US2279212A - Perforating machine : en
  • US2278476A - Animal protein material : en
  • US2278780A - Core taking apparatus : en
  • US2278493A - Hydraulic drive fuel system : en
  • US2278844A - Cooling means for discharge lamps : en
  • US2278794A - Polishing apparatus : en
  • CA403990A - Packing member for stuffing boxes : en fr
  • US2279262A - Weighted cement : en
  • US2278799A - Gun : en
  • US2278927A - Thermostatic controlling device for furnaces : en
  • US2278533A - Apparatus for wrapping bead wires : en
  • GB544373A - Improvements in or relating to the removal of material from a rotating element for example, the knife of a rotary tobacco-leaf cutting-machine : en
  • CA403947A - Magnesium base alloy : en fr
  • FR871199A - Device for alternately supplying two arc lamps by a direct current machine with a strongly falling static characteristic : en fr
  • DE719399C - Valve device for high pressure lines : de en
  • US2278413A - Coal coloring method : en
  • US2278837A - Incandescent lamp : en
  • US2279198A - Catalytic conversion of hydrocarbons : en
  • US2279250A - Retracting mechanism for boring tools : en
  • GB544324A - Machine for grinding threads : en
  • US2278647A - Continuous solvent extraction apparatus : en
  • US2279171A - Door or window frame construction : en
  • US2278773A - Bouquet holder : en
  • US2279161A - Printing telegraph record form : en
  • US2278558A - Treatment of rubber : en
  • US2278642A - Lighting equipment for cigarettes and the like : en
  • AU114958B2 - Improvements in or relating to circuit arrangements for synchronising an oscillation generated bya generator inthe correct phase : en
  • US2279078A - Trimming device : en
  • US2278497A - Hydrometer : en
  • US2278956A - Building construction : en
  • US2278631A - Boring tool : en
  • US2278701A - Vacuum moistening apparatus : en
  • US2278737A - Rotary finishing cutter : en
  • CA403888A - Rock drill : en fr
  • DE719362C - Packaging for silver devices : de en
  • US2278506A - Apparatus for geophysical prospecting : en
  • US2278526A - Method of and apparatus for couching : en
  • US2278739A - Speed-varying drive : en
  • US2279202A - Cheese composition : en
  • USD131906S - Design for a gem setting or similar article : en
  • US2278562A - Airplane : en
  • US2279124A - Oscillograph : en
  • US2278707A - Safety percussion drill holder and article : en
  • US2278858A - Apparatus for the preparation of cast resins : en
  • USD131997S - Design foe a dress : en
  • US2278887A - Water closet : en
  • US2278586A - Infant's drinking cup : en
  • US2278833A - Rubberlike composition containing neoprene and polyvinyl chloride : en
  • US2279244A - Network system of distribution : en
  • US2279088A - Purification of sodium monoxide : en
  • US2279108A - Device for applying chains to tires : en
  • US2278683A - Heating device : en
  • US2278992A - Power plant : en
  • AU114932B2 - Improvements in or relating tothe nozzles of lubricating apparatus : en
  • US2279002A - Valve mechanism : en
  • US2279141A - Typewriting machine : en
  • GB544306A - Improvements in and relating to turning lathes : en
  • US2278696A - Rotary engine : en
  • US2278962A - Nut and method of manufacturing the same : en
  • US2278803A - Plasterer's float and trowel : en
  • FR871157A - Acid-resistant containers and in particular cans for preserves : en fr
  • FR871134A - A method of bonding natural and artificial rubber in a tear-resistant manner with solid surfaces : en fr
  • FR871130A - Automatic voltage regulation system by means of regulating reactors : en fr
  • GB544293A - Improvements in or relating to package binding tools : en
  • US2278706A - Device to motivate roller carriages on overhead tracks : en
  • USD131909S - Design foe an aircraft carrier : en
  • US2278870A - Container : en
  • USD131902S - Gem setting or similar article : en
  • USD131986S - Design for a dress : en
  • FR871069A - Electrode furnace, bath of fusible salts : en fr
  • GB544316A - Improvements in means for locking nuts on bolts and the like : en
  • US2278823A - Dishwashing machine : en
  • DE719483C - Process for the production of floor jackets with false floors : de en
  • US2278629A - Thermostatic switch and automobile heater control circuits : en
  • US2279032A - Towel dispensing cabinet : en
  • US2278641A - Electronic commutator : en
  • US2279128A - Signal control : en
  • US2278744A - Method of forming thermocouples : en
  • US2279046A - Window shade trimmer : en
  • US2279017A - Refrigeration : en
  • DE719364C - Process for the production of oblique artificial leather : de en
  • US2278486A - Cellular refractory : en
  • US2278802A - Composite product comprising natural rubber and synthetic rubber and method for making the product : en
  • US2278904A - Knitted fabric : en
  • US2279170A - Insulated support for lighting units : en
  • US2278496A - Electrical distribution system : en
  • US2279004A - Ratchet lever : en
  • DE719570C - Closure device for oxygen development vessels : de en
  • US2278698A - Power take-off connection : en
  • US2279132A - Dobby cord terminal : en
  • DE719450C - Process for the separation and recovery of oxy acids : de en
  • DK59633C - Heat exchange device. : da en
  • FR871125A - Method for manufacturing elastic threads and apparatus for carrying out this method : en fr
  • US2278961A - Triarylmethane dyestuffs and process of preparing them : en
  • US2278994A - Electric heater : en
  • DE719393C - Hollow stone or stone iron ceiling made from hollow stone beams made beforehand : de en
  • US2279012A - Supporting and holding device for animals : en
  • US2279286A - Divan bed : en
  • USD131980S - Design for a uniform : en
  • US2278869A - Knitting machine : en
  • DE719522C - Steam power plant for paddle steamer converted to higher steam pressure : de en
  • FR871066A - Removable mechanical device allowing the immediate and unlimited transformation of any ordinary bicycle into a tandem : en fr
  • US2278704A - Thermostatically controlled electrical switch : en
  • US2278950A - Hamper basket truck : en
  • US2278659A - Rail bond : en
  • FR871089A - Protection systems for power lines : en fr
  • US2278621A - Voltage regulator : en
  • DE719529C - Keeping clean or preventing the formation of new deposits of urine and water scale on the walls, basins, drainage channels from emergency institutions, toilets or the like. : de en
  • US2278911A - Washing apparatus : en
  • US2279033A - Method of preparing chromite briquettes : en
  • US2279109A - Heel for boots and shoes : en
  • DE719259C - Guide device for armored projectiles : de en
  • US2279184A - Receiving apparatus for communication systems : en
  • US2279273A - Separator for bottled milk and cream : en
  • USD131922S - Table scarf or similar article : en
  • US2278675A - Shoe sewing machine : en
  • DE719562C - Pressure cell measuring device : de en
  • DK59644C - Procedure for the treatment of glass rods, intended for insulation or filter masses. : da en
  • US2278432A - Air washer : en
  • US2278438A - Weapon having multiple load magazine : en
  • US2278755A - Humidifier : en
  • USD131973S - Design foe a pin clip : en
  • DE719539C - Process for the production of powdery fatty acid alkaline earth compounds : de en
  • FR871074A - Process for the preparation of 2-methyl-4-amino-pyrimidine derivatives : en fr
  • FR871056A - Method and device for the manufacture of profiled rods of fusible artificial materials : en fr
  • GB544318A - Improvements in the manufacture of paving materials : en
  • US2278613A - Bale tie making machine : en
  • US2278614A - Bicycle lamp : en
  • DE719576C - Automatic switching device for high voltage networks with two or more fuses that swing out when responding : de en
  • CA403943A - Stocking : en fr
  • US2278902A - Yarn sizing process : en
  • US2279020A - Condensation of ketones : en
  • GB544280A - Improvements relating to adjustable electrical resistances : en
  • US2278416A - Golf ball testing machine : en
  • US2279221A - Off-setting arrangement for boring tools and the like : en
  • US2278850A - Dynamite box : en
  • US2279251A - Friction brake : en
  • FR871114A - Device intended for maximum recording meters : en fr
  • AU93641A - Improvements in radio tuning devices for use in connection withan image rejector circuit : en
  • DE719525C - Device for producing a hairy yarn on twisting machines : de en
  • CA403950A - Portfolio for stationery : en fr
  • AU94341A - Improvements in and relating to beer taps : en
  • CA403911A - Cylinder head : en fr
  • US2279011A - Switch operating mechanism : en
  • US2278592A - Contact element : en
  • US2279084A - Heat screen for projection apparatus : en
  • USD131898S - Design fok a scoee table : en
  • US2279178A - Mold for making curved composite building blocks : en
  • CA403965A - Ore roasting furnace temperature regulating means : en fr
  • CA404012A - Cable core covering apparatus : en fr
  • DE719468C - Process for the production of watercolors, colorful coloring templates and the corresponding picture templates to be colored at the same time : de en
  • CA403996A - Telephone system : en fr
  • US2278742A - Method of forming luminescent screens : en
  • CA403885A - Anti-aircraft gun : en fr
  • CA403962A - Haymaker mechanism : en fr
  • DE719440C - Process for automatic temperature control of ovens : de en
  • DE719472C - Rope consisting of one or more strands with inserted electrically insulated cables : de en
  • FR871172A - Multiple hydrodynamic relay for controlling several actuators : en fr
  • US2278617A - Refrigerator ice cream freezer : en
  • US2278947A - Photographic silver halide emulsion : en
  • FR871163A - Safety device for vehicle gasifiers : en fr
  • DE719311C - Water heating system in kitchen stoves : de en
  • DE719520C - Wheel. In which a suspension is provided between the spokes and the wheel rim : de en
  • DE719124C - Inertia turning device : de en
  • US2278445A - Producing polymerized oils : en
  • US2278860A - Flanged wire fabric : en
  • US2279223A - Plug-reversing capacitor-start induction-run motor : en
  • DE719346C - Process for the production of monomethine cyanines : de en
  • GB544320A - Improvements in bottom or anvil blocks of drop hammers, steam hammers and the like : en
  • GB544353A - Improvements in or relating to control arrangements for centrifugal clutches and other rotating mechanism : en
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  • FR871060A - Incandescent cathode for gas or vapor atmosphere discharge tubes : en fr
  • DK59634C - Valve support for bicycle wheels. : da en
  • FR871109A - Sealing, in particular for mcandescence lamps and discharge tubes : en fr
  • US2278774A - Pie divider : en
  • DE719400C - Device for the mutual blocking of Rohrabsperrovrrichtungen : de en
  • US2278450A - Military vehicle body : en
  • US2279039A - Removable cement retainer : en
  • FR871166A - Method and device for the manufacture of bicycle saddles : en fr
  • DK59627C - Device by Combustion Boilers. : da en
  • FR871140A - Improvement of sewn bags of paper or the like, process and sewing machine for its application : en fr
  • US2278873A - Window construction : en
  • US2279067A - Synthetic porcelain for making artificial teeth and dental restorations : en
  • FR871063A - Drying device for basic textile pieces, such as stockings in particular in stocking shaping machines : en fr
  • USD131942S - Design for a receptacle for sadirons : en
  • US2279091A - Ship construction : en
  • FR871083A - Full shell wringer for separating liquids from slurry or predominantly liquid materials : en fr
  • US2279160A - Hydraulic motion controlling governor or check : en
  • GB544312A - Improvements in transformer voltage regulating systems : en
  • DE719479C - Boot seal : de en
  • DE719545C - Device for inertia-free measurement of frequencies or speeds of rapidly oscillating or rotating parts : de en
  • CA404004A - Radio receiver interference eliminating apparatus : en fr
  • DE719460C - Switching device for friction clutches : de en
  • GB544395A - Improvements relating to bolt or tee slots of machine tools and like machines : en
  • US2278569A - Welding : en
  • US2279266A - Apparatus for crowning containers under vacuum : en
  • USD131972S - Design for a brooch or similar article : en
  • US2278551A - Method of making ball centers and article : en
  • US2278879A - Yarn structure and method and apparatus for producing same : en
  • CA403973A - Telephone system : en fr
  • US2278897A - Milling machine attachment : en
  • US2278467A - Nut : en
  • US2278801A - Band pass filter : en
  • USD131993S - Design fob a dress : en
  • US2278561A - Horn motor and relay unit : en
  • FR871059A - Advanced automatic phonograph : en fr
  • US2278973A - Vat dte preparations : en
  • FR871055A - Electric switch with stop locks : en fr
  • FR871116A - Mounting form for shoes with wooden soles or the like : en fr
  • USD131915S - Textile fabric or similar article : en
  • US2278628A - Electron discharge device : en
  • US2279123A - Remote control system : en
  • GB544328A - Improvements in or relating to lubricating-disc devices for high peripheral speeds : en
  • USD131934S - Design fob a shoe : en
  • DE719402C - Friction gear transmission : de en
  • US2278999A - Recovery of hydrocarbons from fuel gases : en
  • US2278433A - Lamp fixture : en
  • US2278524A - Means for and method of packing articles : en
  • USD131967S - Design for a brooch pin or similar article : en
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  • AU114960B2 - Improvements in or relating to electric arc extinguishing apparatus : en
  • USD131941S - Van slyke : en
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  • CA403883A - Fluid motor : en fr
  • CA403991A - Yarn twisting and winding apparatus : en fr
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  • US2279127A - Vehicle elevating means : en
  • CA403946A - Calcium base alloy : en fr
  • CA403976A - Facsimile transmission system : en fr
  • US2278679A - Battery ignition system for internal combustion engines : en
  • US2279190A - Oil filter bracket : en
  • FR871075A - Process for the preparation of alpha-oxy-beta, beta-dimethyl-gamma butyrolactone : en fr
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  • CA403955A - Reel arbor : en fr
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  • US2278479A - Tube coupling : en
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  • GB544346A - Moisture-proofing composition : en
  • US2278710A - Gauge for determining valve clearance : en
  • US2278899A - Manhole device : en
  • US2279253A - Treating aluminum surfaces : en
  • US2278431A - Condenser welding system : en
  • US2278741A - Portable rivet heading tool : en
  • DE719420C - Acoustic-optical headlight remote control : de en
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  • US2278672A - Liquid sprayer : en
  • US2279030A - Frequency modulation : en
  • US2279236A - Thermostatic element : en
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  • GB544360A - Improvements in or relating to the treatment of cereals prior to flour milling : en
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  • US2279222A - Bathing suit : en
  • US2278827A - Refrigerated freight vehicle : en
  • US2278519A - Variable voltage control system : en
  • CA403939A - Building covering material : en fr
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  • CA403952A - Electron discharge device : en fr
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  • US2278414A - Infant furniture : en
  • US2278512A - Apparatus for obtaining etchable deposits on printing cylinders : en
  • US2278527A - Halo-substitution of unsaturated organic compounds : en
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  • US2279213A - Suction cleaner : en
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  • US2278726A - Magnesium base alloy : en
  • US2278825A - Water gauge protection and illumination : en
  • GB544388A - Improvements in or relating to light valves : en
  • DE719155C - Debarking drum : de en
  • CA404014A - Grab control device : en fr
  • DK59621C - Saddle-shaped Support for Support of Aluminum Containers. : da en
  • CA403938A - Electric motor : en fr
  • US2278474A - Tea leaf : en
  • US2279075A - Holder for test tubes and the like : en
  • USD131975S - Brooch or similar article : en
  • USD131950S - End cap for a fluorescent lighting fixture : en
  • AU94841A - Improvements in shower baths : en
  • AU326441A - Improvements in and relating to flash lamps : en
  • US2279276A - Power brake : en
  • US2279028A - Electrical induction apparatus : en
  • US2279063A - Stove construction : en
  • US2278729A - Apparatus for screening pulp : en
  • US2278753A - Treatment of petroleum and distillates thereof : en
  • US2278920A - Photoelectric smoke detection system : en
  • CA403993A - Wire drawing mechanism : en fr
  • DE719426C - Device for bracing long trench-like construction pits : de en
  • US2278909A - Method of removing mud barriers from oil wells : en
  • US2279073A - Marking device : en
  • US2279100A - Powder-applying mitt or glove : en
  • US2278906A - Liquid storage and handling system : en
  • US2279010A - Fuel injection apparatus : en
  • US2279111A - Oil gauge rod wiper : en
  • CA404002A - Organo mercury compound : en fr
  • CA404011A - Strand coating apparatus : en fr
  • US2279018A - Sound recording method and system : en
  • US2279210A - Self-starting single-phase induction motor with plugging reversing connections : en
  • DE719392C - Rolling curtains made of opaque paper to protect against sunlight : de en
  • US2278535A - Crossbow : en
  • US2278809A - Balance : en
  • US2278996A - 2-methoxy-5-aminobenzyl alcohol : en
  • US2279054A - Calculating machine : en
  • USD131904S - Design fob a gem setting or similar article : en
  • AU114954B2 - Improvements relating tothe printing of textiles : en
  • AU100841A - Frame support and drawbar and frame levelling means for tractor coupled agricultural implements : en
  • DE719493C - Electrically driven roller, especially for rolling mills : de en
  • US2278957A - White lightweight aggregate : en
  • USD131936S - Hair ornament or similar article : en
  • US2279055A - Automatic needle stop for bristling machine : en
  • US2279151A - Panoramic radio receiving system : en
  • FR871107A - Dual carrier wave device : en fr
  • CA403915A - Insecticide : en fr
  • CA403899A - Wagon pole clip : en fr
  • DE719343C - Teleprinting system with constantly circulating distributors, which control the transmission of timed character impulses for characters that can be selected by keys : de en
  • US2278528A - Copolymerized substance comprising a formyl group : en
  • US2278654A - Inductor alternator : en
  • US2278983A - Variable speed transmission device : en
  • USD131977S - Miller perfume display case : en
  • US2278518A - Apparatus for classifying sheets : en
  • US2278771A - Stencil for and process of printing : en
  • DE719397C - Rotary piston internal combustion engine : de en
  • AU114937B2 - Improvements in cathodes for electron discharge devices : en
  • FR871073A - Stamping process for ordinary steels : en fr
  • US2279173A - Electric plug : en
  • US2278542A - Die : en
  • AU114949B2 - Manufacture of cheese : en
  • CA403975A - Composition shingle : en fr
  • GB544366A - Improvements in or relating to the conversion of hydrocarbon oils in the presence ofpowdered contact materials : en
  • US2279252A - Treating aluminum surfaces : en
  • US2278555A - Centrifugal casting apparatus : en
  • US2279197A - Forming machine : en
  • USD131899S - Bowling alley service unit or similar article : en
  • US2278534A - Door latch operator : en
  • US2278691A - Fastening device : en
  • US2278876A - Fishing fly : en
  • FR871165A - Damper : en fr
  • FR871086A - Multiple plug device, especially for high voltage cables of ignition systems : en fr
  • GB544397A - Improvements relating to the refining of dry materials : en
  • GB544275A - Improved process for the manufacture of castings of artificial stone such as concrete : en
  • US2278483A - Method of treating cacao beans : en
  • US2278916A - Illuminating device : en
  • US2279118A - Lifting plug and wrench therefor : en
  • US2279260A - Refractory and abrasive material and process of making same : en
  • US2278645A - Emergency brake lever : en
  • DE716956C - Welded connection for thin-walled components up to 0.5 mm thick made of easily melting metal : de en
  • FR871097A - Improvements to the chassis of tracked vehicles : en fr
  • CA403889A - Rock drill : en fr
  • US2278583A - Journal lubricator : en
  • US2279225A - Vibratory screen : en
  • US2278500A - Vacuum tube seal-off : en
  • AU93141A - Improvements in or relating to electromagnetic vibratory or reciprocatory motors : en
  • US2278811A - Fountain comb : en
  • US2278896A - Composite material : en
  • US2278692A - Facsimile signal inverter : en
  • USD131924S - Condiment shaker or the like : en
  • DK59636C - Handle for CykeIstyr. : da en
  • US2278411A - Screw : en
  • US2278442A - Process of making ceramics, abrasives, and the like from alumina, and products thereof : en
  • US2279085A - Adjustable tap or the like : en
  • GB544375A - Improvements in or relating to pumps : en
  • US2278743A - Typewriting machine : en
  • GB544287A - Improvements in ignition systems for internal combustion engines : en
  • GB544379A - Improvements in the manufacture of cut-edged woven articles such as cut ribbons : en
  • DE713336C - Method for checking the display in an arrangement for determining distance : de en
  • US2279026A - Ash tray : en
  • USD131989S - Design for a coat : en
  • FR871079A - Charcoal tablets and their method of manufacture : en fr
  • US2278712A - Superresilient wheel : en
  • US2279015A - Electric clock : en
  • US2278653A - Direction indicator for road vehicles : en
  • US2278451A - Separator for bottled milk and cream : en
  • GB544370A - Improvements in or relating to spinners and nose caps for airscrews : en
  • US2278595A - Pump : en
  • US2279265A - Heater plug : en
  • CA403988A - Lock nut for screws : en fr
  • DK59639C - Automatic locking device for window openers. : da en
  • US2278941A - Almonds, peanuts, and other similar nuts : en
  • US2278720A - Fixture joint : en
  • US2278910A - Airplane gear : en
  • US2278428A - Lasting machine : en
  • USD131984S - Design for a deess : en
  • US2279226A - Mechanical loader for riveting machines : en
  • US2278573A - Signal system for single-phase motors : en
  • US2278838A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • GB544354A - Improvements in or connected with laundry presses : en
  • US2278560A - Antenna : en
  • US2278763A - Refrigerator car : en
  • US2278968A - Automatic arc welding head : en
  • US2279169A - Sheet metal fastener : en
  • FR871170A - Automatic or semi-automatic carbonization or distillation furnace with control process : en fr
  • US2278918A - Impulse switch : en
  • DE719444C - Socket that can be used for fixed wall mounting or as a movable coupling : de en
  • GB544323A - Herringbone gear finishing : en
  • US2278702A - Telephone circuit : en
  • US2279240A - Vibrating-contact motor : en
  • GB544356A - Improvements in and connected with a rotary drum or receptacle for a mixing machine : en
  • GR9825B - MOISTURE BUMPER WITH BUILT-IN MICROPHONES. : el en
  • US2278425A - Drying oil and process : en
  • US2278721A - Fluid seal for pressure vessels : en
  • US2279257A - Expansible closure means for conduits : en
  • AU114969B2 - Improvements in shower baths : en
  • GB544309A - Improvements in adjustable v-groove pulleys : en
  • US2278943A - Process for the production of rubberlike binding agent for fiber substances : en
  • US2278866A - Vanity case : en
  • US2279049A - Freezing evaporator : en
  • USD131998S - Design fob a dress : en
  • USD131956S - Design for a casing foe flushing apparatus : en
  • GB544296A - Improvements in and relating to filters or cleaners for dirt-laden fluids : en
  • GR9833B - AQUATIC IMPROVEMENTS. : el en
  • US2278538A - Insect screen : en
  • US2278871A - Control mechanism for internal combustion engines : en
  • US2278880A - Gearing : en
  • US2278700A - Air brake : en
  • US2279080A - Refrigeration : en
  • US2279259A - Button : en
  • US2278482A - Aircraft armament : en
  • US2278521A - Apparatus for producing acetylene and lime hydrate : en
  • US2278687A - Radio frequency wattmeter : en
  • CA403930A - Camera lens diaphragm : en fr
  • US2279092A - Grinding wheel truing apparatus : en
  • US2279207A - Barrel conveyer : en
  • CA403880A - Fire extinguishing system : en fr
  • CA403926A - Railway hand brake : en fr
  • US2279282A - Alloy : en
  • FR871194A - Improvements to spiral or ring binders : en fr
  • GB544303A - Improvements in electric circuit breakers of the liquid blast type : en
  • GB544387A - A process for the manufacture of chlorinated rubber hydrochloride : en
  • DE719388C - Rotary piston compressor with rotating drum mounted eccentrically in the housing : de en
  • FR871153A - Advanced gasifier : en fr
  • FR871078A - Hinge for doors, windows and similar parts : en fr
  • USRE22060E - Two-purpose highway guardrail : en