• CA452432A - Arrangement on aeroplanes : en fr
  • AU138976B2 - Improved branding implement : en
  • CA452537A - Hydraulic pump : en fr
  • US2453658A - Lamp shade holder : en
  • US2453331A - Connection for enameled tanks : en
  • US2453580A - V-belt drive pulley : en
  • US2453431A - Easel for colored photographic printing : en
  • AU142462B2 - Single leaf spring and processing thereof : en
  • US2453509A - Dynamoelectric machine : en
  • US2453351A - Composition for inhibiting foam : en
  • US2453568A - Apparatus for the manufacture of corkboard by injection of a heated gas : en
  • US2453490A - Process of producing a barium lake pigment : en
  • US2453350A - Hydraulic telescoping lifting jack : en
  • US2453630A - Production of gelatin or glue from hides and other collagen or ossein-containing materials : en
  • US2453307A - Roof for railway freight cars : en
  • FR939256A - Improvements to thermionic tubes : en fr
  • FR939375A - Phonogram on color film, and method of producing this phonogram : en fr
  • GB612485A - Improvements in or relating to hose-reels : en
  • US2453510A - Screeding and compacting machine for concrete slabs and the like : en
  • US2453574A - Controlled ventilated container : en
  • US2453211A - Electric steam generator control : en
  • US2453598A - Ferrous alloys and rotor forgings for gas turbines : en
  • US2453242A - Spreader apron drive : en
  • US2453289A - Refuse incinerator with dumping grate : en
  • DK67921C - Front fork safety for bicycles. : da en
  • US2453271A - Rotary alternating pistons pump : en
  • US2453617A - Tailgate for highway vehicles : en
  • CA452508A - Dead front safety switch : en fr
  • US2453421A - Lamp box type direction signal : en
  • US2453547A - Turbine construction : en
  • USD151705S - Design for a textile fabric : en
  • GB612204A - Improvements in and relating to cooking utensils : en
  • US2453471A - Preserving caustic soda from contamination in metal containers : en
  • US2453430A - Morpholine salts of sulfonated azo dye components and their preparation : en
  • US2453493A - Halogenated hydrocarbon composition : en
  • AU144412B2 - Improvements in or relating toa solid injection engine : en
  • BE485406A - : en fr
  • AU2367948A - Improvements in automatic relief valves : en
  • GB612129A - Manufacture of í¸-3-oxy-steroids and derivatives thereof : en
  • FR939384A - Improvements in manufacturing processes for objects protected by a metal : en fr
  • AU2357148A - Light fitting for illuminating the work area of machines : en
  • AU138819B2 - Improvements in or relating to vegetable cleaning machines : en
  • US2453414A - System for directing radio waves : en
  • GB612046A - Improvements in containers for medicaments : en
  • DK67898C - Process for the preparation of basic esters of monoalkyl-isobutyl acetic acids. : da en
  • GB612212A - Improvements in or relating to the sealing of electrical conductors to vitreous pinches : en
  • GB612281A - Improvement in airplane wheel and brake : en
  • US2453523A - Bicycle generator regulated by rotor torque variations : en
  • US2453329A - Control apparatus for internalcombustion engines : en
  • GB612403A - Improvements in or relating to helicopters : en
  • US2453505A - Safety door lock : en
  • US2453291A - Self-rotating kingpin thrust bearing : en
  • US2453582A - Apparatus for making pattern mirrors and other coatings : en
  • USD151693S - Design for a spectacle frame : en
  • US2453338A - Apparatus for inspecting sheet material : en
  • GB612167A - Means for guiding the warp threads in circular looms : en
  • FR939222A - Further training in centrifugal pumps : en fr
  • FR939266A - Improvements in obstacle detection using electromagnetic waves : en fr
  • FR939353A - Fuel treatment process : en fr
  • FR939223A - Improvements to electronic tubes : en fr
  • GB612109A - Improvements in or relating to production of industrial oils by polymerisation of olefins : en
  • AU142715B2 - Improvements in or relating to sheet handling mechanism : en
  • CA452449A - Bun coring machine : en fr
  • US2453384A - Automatic windrower for balers : en
  • AU146979B2 - Material capable of inhibiting metal corrosion inthe presence of moisture and air : en
  • US2453496A - Process of converting nicotinonitrile into nicotinamide : en
  • GB612035A - An improved tray especially suitable for use in confectionery and like trades : en
  • GB612271A - Improvements in or relating to beta-halo acyl halides and method of producing the same : en
  • FR939388A - High frequency oscillations transmission device : en fr
  • GB612372A - A process for the treatment of tanned leather with amino resins : en
  • US2453254A - Rockable shelf bracket : en
  • USD151692S - Design for a stapling machine or similar article : en
  • FR939261A - Improvement in connections for electric cables : en fr
  • AU2293948A - Improvements in or relating to highspeed reel joining mechanisms for use with newspaper printing machines orthe like : en
  • GB612385A - Improvements in or relating to the production of para-aminobenzenesulphonamidohalopyrazines : en
  • FR939280A - Improvements to repeater or amplifier circuits for rectangular waves : en fr
  • GB612009A - Manufacture of dyestuff mixtures : en
  • GB612068A - Improvements relating to reflectors for water gauge glasses of steam generators and the like : en
  • GB612361A - Improvements in or relating to tapping machines : en
  • FR939373A - Improvements to electronic discharge devices : en fr
  • GB612240A - Improvements in or relating to photographic dark room lamps : en
  • GB612275A - Improvements in and relating to electric plug and socket connectors : en
  • GB612297A - Improvements in or relating to signature gathering machines : en
  • CA452480A - Apparatus for the production of artificial filaments : en fr
  • FI23317A - Golv- eller takblock för monteringsfärdiga hus : en fi
  • US2453455A - Vaporizer : en
  • US2453531A - Internal mandrel : en
  • US2453618A - Mechanical seal for selenium rectifier cells : en
  • US2453576A - Spot weld tester : en
  • FR939273A - Improvements in communication systems using pulse modulation : en fr
  • FR939241A - Improvements to antenna systems : en fr
  • GB612117A - Improvements in or relating to d.c. amplifiers and signal maintaining circuits associated therewith : en
  • GB612362A - Improvements in or relating to electric fault alarm circuits : en
  • FR939332A - Improvements to valves and automatic intake or exhaust valves with hydraulic piston, controlled by pressurized fluid : en fr
  • US2453475A - Resuscitation apparatus : en
  • US2453312A - Extrusion apparatus : en
  • US2453150A - Polyesters of dimethylene d-gluconic acid : en
  • US2453267A - Electromagnetic switching device : en
  • US2453358A - Electric motor : en
  • GB612280A - Working of high tensile sheet metal : en
  • GB612048A - Improvements in sheet feeding apparatus for printing presses and the like : en
  • US2453110A - Isomerization of bicyclic substances and products resulting therefrom : en
  • DK67909C - Seat belt for toddlers. : da en
  • GB612162A - A new or improved method of, and means for, installing electric wiring systems, and the like : en
  • GB612416A - Improvements relating to synthetic resin compositions : en
  • GB612166A - New synthetic resins : en
  • GB612398A - Improvements in or relating to radio telecontrol systems : en
  • FI23307A - Anordning för skäktning av lin o.dyl. : en fi
  • US2453239A - Record controlled data storing device : en
  • GB612178A - Improvements in or relating to inking mechanism for rotary intaglio printing presses : en
  • FR939203A - Process for sterilizing food products and their packaging : en fr
  • US2453178A - Bubble ornamental device and method : en
  • GB612116A - Improvements in specula : en
  • FI23310A - Magasin förred med skåra försedda rakblad : en fi
  • IE19496L - Automatic exchange systems. : en
  • GB612152A - Improvements in potato baskets : en
  • GB612264A - Improved key-containing folder, or purse, for personal use : en
  • GB612156A - Improvements in or relating to engine starter drives : en
  • US2453111A - Radius attachment for lathes : en
  • US2453185A - Apparatus for edge-gluing strip elements : en
  • GB612028A - Improvements in or relating to card punching machines : en
  • GB612081A - Improvements in or relating to guards for pneumatic drop hammers or hydraulic presses : en
  • CA452561A - High efficiency magnetron : en fr
  • US2453585A - Process of making a substantially alkali-free hydrogel catalyst : en
  • US2453113A - High-frequency variable inductance : en
  • US2453567A - Cooling fin structure for internalcombustion engines : en
  • FR939363A - Improvements to electron beam tubes : en fr
  • FR939334A - Improvements to hydraulic valves operating as a pressure reducer or relief valve : en fr
  • GB612061A - Insulators for high tension transformers : en
  • DK67927C - Oven liner. : da en
  • FR939298A - Improvements to electric multivibrator assemblies : en fr
  • GB612005A - Improvements in or relating to telephone instruments : en
  • GB612059A - Improvements relating to the manufacture of electric cable joints and terminations : en
  • US2453264A - Cellulose ester or ether plasticized with ethyl alpha-carbethoxyethoxyethyl carbonate : en
  • US2453444A - Magnesium base lithium alloys : en
  • GB612107A - Improvements in or relating to the separation of iron ores by froth flotation : en
  • FI23323A - Forward processing within the meaning of the requirements of the Directive : en fi
  • GB612076A - Self-sealing coke oven doors : en
  • GB612366A - Improvements in bottles and their closure members : en
  • US2453512A - Vehicle wheel : en
  • BE485604A - : en
  • AU2358848A - Improvements in or relating to inking mechanisms for printing presses : en
  • US2453662A - Condenser : en
  • FR939218A - Improvements in the vulcanization of rubber articles : en fr
  • FR939282A - Improvements to electrical signal transmission systems : en fr
  • FR939225A - Thermostatic valve : en fr
  • GB612104A - An improved spring insertion for cushions and the like : en
  • US2453403A - Windbreaker for parked aircraft : en
  • AU1632547A - Improvements relating to floor covings for use with floor coverings : en
  • FI23294A - Copying for the amplification of the amplitude of the power supply : en fi
  • FR939271A - Improvements to electronic discharge devices : en fr
  • GB612501A - Improvements in or relating to plain or line wovern fabrics constituting gauzy fabrics : en
  • US2453214A - Ethyl cellulose composition : en
  • US2453603A - Method and apparatus for stripping yarn packages : en
  • US2453587A - Lawn mower : en
  • US2453677A - Alkamine esters of pyrrole-3, 4-dicarboxylic acids : en
  • CA452567A - Preparation of metal aryloxides of weak bases : en fr
  • CA452534A - Arrangement for measuring electrical signal amplitude changes : en fr
  • CA452452A - Automatic air brake coupling for rolling stock : en fr
  • US2453191A - Meter testing device : en
  • FR939299A - Improvements in electric resistance welding : en fr
  • US2453417A - Steering means for vehicles : en
  • US2453650A - Engine control : en
  • FR939399A - Improvements to coaxial electric cables for high frequencies : en fr
  • GB612371A - Pulse-shaping arrangement for a pulse-modulation wave-signal receiver : en
  • US2453240A - Acoustical wave filter for pneumatic hand tools : en
  • FR939303A - Improvements to electro-magnetic devices : en fr
  • FR939212A - Improvements to drying helmets : en fr
  • GB612474A - Improvements in and relating to wide aperture objectives : en
  • FI23321A - Sät att nita Spik vid förbindning av trädelar eller dylikt, jämte på sådant sätt framställt föremål : en fi
  • US2453160A - Field intensity meter : en
  • USD151691S - Fig 4 fig : en
  • USD151727S - Design for a miter box : en
  • CA452459A - Coupling : en fr
  • CA452495A - Shipping container : en fr
  • US2453172A - Grid cap : en
  • US2453153A - Lubricating grease : en
  • GB612193A - Improvements in or relating to sailing craft : en
  • GB612285A - Improvements in or relating to underframes for vehicles : en
  • GB612434A - Improvements in and relating to cathode ray tubes : en
  • USD151686S - Combined syringe bag and tube support : en
  • US2453681A - Tube perforating machine : en
  • US2453687A - Cation-exchange resins made by condensing a sulfophthalein and formaldehyde : en
  • USD151726S - Design for a space heater : en
  • GB612248A - Improvements relating to handles : en
  • GB612450A - Trolley wire system for electric tracks : en
  • GB612448A - Improvements relating to detectors for angle modulated carrier waves : en
  • IE19308L - Electric amplifiers : en
  • IE19307L - Pulse amplification : en
  • FI23336A - Konditioneringsanordning för filter använda i papperstillverkning : en fi
  • DK67918C - Device for riveting or luring machines or similar working machines. : da en
  • FI23325A - Micrometers : en fi
  • DK67928C - Process for the production of steam-cured shaped bodies of porous artificial stone. : da en
  • GB612334A - Improvements in or relating to the firedoors of stoves or the like : en
  • GB612444A - Improvements in oscillation generators : en
  • US2453181A - Tape loom : en
  • US2453613A - Sanitary filter : en
  • GB612092A - An improved lifting jack for use in mines : en
  • GB612211A - Improvements in or relating to easels, painting and drawing apparatus : en
  • FR939288A - High Frequency Oscillation Generators Improvements : en fr
  • GB612217A - A spindle moulding machine : en
  • IE18407L - Liquid distributing means : en
  • GB612453A - Improvements in or relating to dish-wasing machines : en
  • GB612472A - Improvements in interstage coupling circuit for thermionic valve amplifiers : en
  • US2453380A - Vehicular amusement apparatus : en
  • GB612370A - Improvements in cinematographic sound-track printing : en
  • US2453251A - Motor-operated push-button tuner : en
  • GB612328A - Improvements in or relating to valves or cocks : en
  • US2453578A - Preparation of chemiluminescent composition of matter : en
  • US2453684A - Hydrokinetic coupling : en
  • FR939311A - Ultra Shortwave Oscillator Improvements : en fr
  • GB612347A - Improvements in or relating to wagon tipplers : en
  • GB612401A - Improvements relating to mechanical lubricating systems for the steam engines of locomotives : en
  • US2453270A - Umbrella rib clip and pocket : en
  • FR939326A - Improvements to reciprocating piston pumps : en fr
  • GB612042A - Improvements in or relating to eye guards or shields : en
  • GB612436A - Improvements in and relating to automatic pilots : en
  • FR939215A - Electron Concentration Systems : en fr
  • GB612098A - A collapsible container closure means : en
  • GB612099A - Improvements in and relating to electric lamps : en
  • FR939307A - Improvements to devices for measuring phases of electric waves : en fr
  • FR939300A - Refinements to the demodulation of a repeating wave : en fr
  • US2453234A - Process for the preparation of amino-carboxylic-acids from lactams : en
  • US2453371A - Power actuated rotary scraping tool for meat blocks : en
  • US2453115A - Steel tape holder : en
  • GB612327A - Improvements in or relating to apparatus for waving or curling hair : en
  • GB612165A - Improvements relating to electrical resistance devices : en
  • GB612346A - Manufacture of crotonic acid : en
  • US2453641A - Method of producing colloidal fuel : en
  • GB612336A - Improvements in or relating to governors for marine power plant : en
  • US2453180A - Shutter mechanism : en
  • US2453602A - Engine lubrication system : en
  • GB612235A - Improvements in curtain or like rods : en
  • FI23331A - Anordning vid silos for ensilering av grönfoder och andra vegetabiliska fodermedel : en fi
  • FR939397A - Improvements to electric pulse transmission systems : en fr
  • GB612414A - Improvements relating to rotary compressors and their control, and applications thereof in combustion turbine power plant : en
  • US2453465A - Apparatus for mixing drilling mud : en
  • US2453434A - Tie for concrete wall forms : en
  • GB612191A - Improvements relating to apparatus for operating devices having a negative resistance characteristic from an alternating electric current supply circuit : en
  • GB612226A - Improvements in a pyrophoric lighter : en
  • GB612495A - Improvements in or relating to the manufacture of textile fabric and articles : en
  • US2453382A - Heating and ventilating apparatus : en
  • GB612255A - Improvements relating to slicing machines : en
  • GB612300A - Improved drive for variable track vehicles : en
  • FI23295A - Kopplingsanordning för elektriska kablar, särskilt för svetskablar : en fi
  • GB612322A - Improvements in or relating to process and apparatus for the production of high concentration caustic lyes from the decomposition of amalgams : en
  • US2453243A - Frequency modulating and harmonic producer apparatus : en
  • US2453269A - Printing telegraph system : en
  • US2453360A - Bearing mounting for drive sprockets of track type tractors : en
  • FI23337A - Sug- eller tvättfilter : en fi
  • GB612127A - Device for printing cards and the like : en
  • DK67910C - Reading support. : da en
  • GB612012A - Improvements in mixing chamber for use in heating or cooling devices : en
  • GB612363A - Improvements in or relating to table games : en
  • GB612499A - Improvements in or relating to wringers : en
  • US2453499A - Vehicle construction : en
  • FI23313A - A bag, case or the like for stacks of paper : en fi
  • GB612330A - Electrical measuring instrument : en
  • GB612136A - Improvements in and relating to multiple electric motor actuator systems : en
  • GB612153A - Improvements in or relating to rotary tippler apparatus : en
  • GB612247A - Improvements in automatic turn-controlling devices for aircraft : en
  • US2453136A - Chip breaking drill chuck : en
  • US2453274A - Sealing device : en
  • US2453149A - Buoyant attachment for standard tanks : en
  • AU2355948A - Improvements in ink feed regulating devices for printing presses : en
  • FR939312A - Improvements to electronic discharge devices : en fr
  • FR939371A - Apparatus for making fruit juice : en fr
  • GB612176A - Improvements in axle boxes for rail vehicles : en
  • GB612389A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB612030A - Improvements in and relating to toy vehicles : en
  • US2453472A - Dehydration of saturated nitriles : en
  • US2453296A - Brassiere : en
  • US2453584A - Refrigerating control apparatus : en
  • FR939205A - Improvements to electrical insulating bodies : en fr
  • GB612141A - Improvements in or relating to accounting and similar machines : en
  • FR939391A - Improvements to radio altimeters : en fr
  • GB612294A - Improvements in or relating to machines for extracting tobacco from rejected cigarettes : en
  • GB612097A - Improvements in and relating to the cooling of gas turbine rotors : en
  • GB612446A - Improvements in or relating to improved molds and patterns and method for productionthereof : en
  • GB612489A - Improvements in packeting machines for cigarette paper booklets or like articles : en
  • GB612151A - Improvements relating to phosphate coating processes : en
  • US2453590A - Hypodermic syringe : en
  • US2453355A - Painter's easel attachment for ladders : en
  • US2453423A - Flash distillation of acetophenone from benzoic acid : en
  • GB612311A - Improvements in or relating to the production of polymerisable esters : en
  • GB612237A - Improvements in or relating to gas turbine plants : en
  • FR939281A - Devices for demodulating time-modulated electrical pulses : en fr
  • GB612420A - Machine for cutting a clearing groove behind the cutting edge of tools : en
  • GB612421A - Apparatus for playing a new board game : en
  • GB612236A - Improvements in and relating to gloves : en
  • FR939286A - Improvements in handling devices for radio frequencies : en fr
  • USD151675S - Design fob a rocking chair : en
  • FR939366A - Improvements made to accustic chambers to modify the characteristics of materials by the effect of compression waves : en fr
  • CA452464A - Tire chain : en fr
  • DK67925C - Razor. : da en
  • AU2367748A - Improvements in or relating to reversing gears for diesel engines : en
  • GB612181A - Improvements relating to the heat treatment of heat-resisting alloys and of articlesor parts made therefrom : en
  • GB612477A - Improvements in or relating to the manufacture of molded articles, and more particularly to articles such as artificial teeth : en
  • USD151708S - Design fob a necklace or similar article : en
  • US2453130A - Freezing high liquid content fruits and vegetables : en
  • US2453501A - Trimming mechanism for grinder wheels : en
  • FR939255A - Improvements to electronic discharge tubes : en fr
  • GB612454A - Improvements in the production of inlaid articles : en
  • AU142553B2 - Sheet registration for printing presses : en
  • CA452488A - Telephone system : en fr
  • CA16573S - Teetering toy : en
  • AU2287248A - Improvements in or relating to vegetable cleaning machines : en
  • AU140653B2 - Improvements in inking mechanisms for printing presses : en
  • CA452516A - Thermally forming a cavity in a body of mineral material : en fr
  • FR939389A - advanced heat exchanger : en fr
  • FI23320A - Fans and accessories are provided : en fi
  • GB612220A - Improvements relating to pit props and the like : en
  • GB612064A - Chucks for turret lathes : en
  • GB612128A - Improvements in or relating to the production of board-like materials : en
  • FR939306A - Improvements to switch mechanisms : en fr
  • US2453288A - Counterbalanced pivoted closure : en
  • AU2375445A - Improvements in or relating toa dehydration process and dehydrating apparatus : en
  • CA452551A - Arrangement for synchronizing oscillations : en fr
  • FR939345A - Improvements to electrical transformers : en fr
  • AU142343B2 - Improvements in or relating to rubber or like constricting rings for emasculating and detailing lambs andother animals : en
  • GB612105A - Improvements in or relating to the production of high speed steel powder and articles produced therefrom : en
  • US2453138A - Process of deleading gasoline : en
  • US2453156A - Servomotor : en
  • US2453424A - Counterbalance mechanism : en
  • US2453468A - Spring steel shoe with rubber sole : en
  • CA452498A - Ignition means : en fr
  • CA452552A - Ball-sliding bearing : en fr
  • FR939259A - Refinements to grid electrodes for electronic discharge tubes : en fr
  • GB612244A - Improvements relating to time base circuits for cathode ray tubes : en
  • GB612459A - A new or improved arrangement of petrol or fuel tank and spare tyre carrier or support : en
  • US2453632A - Crutch : en
  • USD151697S - Lipstick case or similar article : en
  • AU146591B2 - Electromagnetic relay : en
  • US2453175A - Searchlight control system : en
  • FI23324A - Device for measuring the diameter of a rotating part on a machine tool : en fi
  • AU2358748A - Improvements in or relating to clutches : en
  • AU140540B2 - Improvements in or relating to machines for casting stereotype plates : en
  • FR939283A - Improvements to electrical oscillation generator systems : en fr
  • DK67899C - Apparatus for aligning die lines in a die set and line casting machine. : da en
  • GB612094A - Improvements in or relating to panic bolts and like fastening devices for doors and other closure members : en
  • US2453647A - Electric discharge tube with deflection control : en
  • AU129711B2 - Improvements in or relating to radio direction finders : en
  • GB612377A - Improvements in or relating to toy horses and the like : en
  • US2453228A - Relasting machine : en
  • FR939257A - Improvements to electronic discharge tubes : en fr
  • GB612161A - Improvements in or relating to radio communication systems : en
  • AU136763B2 - Improved Apparatus for tire Dehydration of Foods andother Materials : en
  • CA452580A - Volume control for diffusers : en fr
  • CA452458A - Coupling : en fr
  • AU2359748A - Sheet registration for printing presses : en
  • US2453340A - Wringer and wash tubs unit : en
  • CA452572A - Method of weaving : en fr
  • CA452484A - Two-stroke cycle internal combustion engine : en fr
  • GB612326A - Improvements relating to the sizing of paper fibres and the like : en
  • AU1635047A - Improvements in remote control apparatus for radio recivers and the like : en
  • US2453133A - Paper bottle tap : en
  • FI23292A - Växelströmsignalmottagningsanordning : en fi
  • FR939260A - Improvements to metal-to-glass seals intended particularly for vacuum tubes : en fr
  • US2453485A - Ear decoration : en
  • US2453365A - Rodless pump : en
  • CA452529A - Wrap spindle : en fr
  • AU142433B2 - Concentrated apple juice and milk modifier : en
  • US2453480A - Quickly detachable coupling : en
  • USD151711S - Design fok a necklace oe similar article : en
  • US2453165A - Method of preparing tubing for transportation : en
  • US2453477A - Broad band variable tuning coil : en
  • CA452573A - Paper manufacture : en fr
  • GB612365A - Improvements relating to the truing or finishing of crankshaft and like pins : en
  • GB612419A - Processes for removing oxide from the surfaces of metals and alloys : en
  • US2453522A - Method of producing wood pipe : en
  • AU2366648A - Improvements in or relating to combustion apparatus : en
  • CA452530A - Needle leveller and latch opener : en fr
  • AU139967B2 - Improvements in or relating to turbine cooling systems : en
  • GB612214A - Improvements relating to waterborne craft : en
  • GB612343A - Improvements in or relating to a feed and rapid traverse mechanism for a milling machine : en
  • US2453440A - Carbon black : en
  • US2453663A - Wardrobe suitcase : en
  • GB612075A - Improvements in and relating to the washing of minerals and ores : en
  • GB612323A - Improvements in or relating to refining of phenothiazine : en
  • AU1641047A - Improved Apparatus for tire Dehydration of Foods andother Materials : en
  • IE19172L - Electronic measuring devices : en
  • US2453362A - Noninterlocking bumper guard : en
  • US2453583A - Tilting bowl concrete mixer : en
  • CA452505A - Snap-action device : en fr
  • GB612082A - Improvements in or relating to fasteners for detachably assembling two parts, particularly articles of clothing : en
  • GB612313A - Method and apparatus for roasting cereal bran : en
  • DK67926C - Dry shaver with a movable cutting member and a movable cutting plate cooperating therewith. : da en
  • GB612177A - Improvements in or relating to braking systems for induction motors : en
  • GB612384A - Cycle brakes : en
  • FR939351A - Improvements to high frequency electric field heating generators : en fr
  • US2453154A - Locking device : en
  • FR939341A - Improvements to high frequency electron tubes : en fr
  • GB612126A - Improvements in or relating to apparatus for testing the capacity of the lung : en
  • US2453629A - Patterning mechanism of flat single bed knitting machines : en
  • AU144067B2 - Improvements in or relating to sawtooth wave generators : en
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  • FR939365A - Improvements in the generation of rectangular electrical pulses : en fr
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  • GB612253A - An improved manufacture of stabilized synthetic latices : en
  • GB612270A - Improvements in fluorescent materials and in screens comprised thereof : en
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  • US2453250A - Lipstick container : en
  • US2453491A - Fountain pen : en
  • US2453571A - Control device : en
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  • GB612443A - Improvement in the treatment of natural rubber latices : en
  • FR939269A - Improvements to high frequency communication systems : en fr
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  • GB612213A - Improvements relating to electric cable couplings : en
  • GB612157A - Improvements in and relating to drilling apparatus : en
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  • FR939357A - Improvements to electric power amplifiers : en fr
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  • GB612367A - Improvements in and relating to collapsible stools : en
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  • AU139724B2 - A lighter tube for liquid fuel operated water heaters : en
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  • US2453411A - Bee comb foundation : en
  • US2453458A - Catalyst transfer system : en
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  • US2453552A - Transformer winding : en
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  • GB612106A - Improvements in or relating to heat-treatments for nickel-manganese-chromium steel : en
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  • US2453313A - Method of manufacturing communication cables : en
  • US2453569A - Plasticized polyvinyl acetal resin : en
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  • GB612175A - System utilising the energy of the waves : en
  • FR939338A - Improvements to electro-magnetic energy amplifiers : en fr
  • GB612395A - Improvements relating to photographic enlarging cameras : en
  • GB612263A - Improvements in and relating to variable electric resistances, potentiometers and the like : en
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  • GB612206A - Improvements relating to the saponification of high tenacity cellulose ester yarns : en
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  • FR939321A - Improvements relating to hydraulic presses : en fr
  • GB612492A - Improvements in or relating to step ladders and/or babies chairs : en
  • FR939318A - Improvements to hydraulic lathes : en fr
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  • US2453562A - Heat-curable elastic compositions : en
  • USD151676S - Paper roll holder or similar article : en
  • FR939213A - Hair Drying Helmet Enhancements : en fr
  • GB612207A - Improvements relating to the saponification of cellulose ester yarns : en
  • GB612479A - Improvements in and relating to starting devices for free piston type internal combustion engine compressors or gas generators : en
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  • GB612402A - Improvement in and relating to slicing machines : en
  • GB612437A - Improvements in or relating to wringers : en
  • FI23289A - Järnlegering : en fi
  • GB612007A - Improvements in and relating to television apparatus : en
  • FR939216A - Improvements to devices intended to check the static balance of an object : en fr
  • GB612073A - Improvements in and relating to methods of producing high vacua : en
  • GB612435A - Television synchronising signal separator : en
  • US2453570A - Plasticized polyvinyl acetal resin : en
  • US2453674A - Alkamine esters of pyrrole sub : en
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  • USD151673S - Design for an earring or similar article : en
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  • US2453352A - Composition for inhibiting foam : en
  • US2453601A - Electric strain gauge : en
  • US2453401A - Live jump roll : en
  • US2453610A - Bowling game board : en
  • US2453319A - Tube holding device : en
  • US2453535A - Mounting attachment for electrical outlet boxes : en
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  • GB612245A - Improvements relating to direct current transmission systems of the step-by-step type : en
  • GB612242A - Improvements in or relating to electrical welding equipment : en
  • AU2355348A - Improvements in or relating to inking means for intaglio printing presses : en
  • US2453132A - Railroad tie : en
  • FI23303A - Igångsättningsförfarande för elektrisk svetsning : en fi
  • FR939264A - Improvements in the construction of high power electronic discharge devices : en fr
  • US2453506A - Sprag : en
  • US2453655A - Vinyl carboxylate polymerization using a thiourea stopper : en
  • US2453627A - 2-substituted-3, 4-diamino-furan urethans and derivatives thereof : en
  • GB612289A - Improvements in or relating to fittings for window-blinds and the like of the rollertype : en
  • GB612348A - Improvements in or relating to reflected pulse vision systems : en
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  • US2453448A - Heat exchanger : en
  • GB612341A - Improvements in contact terminals for vacuum tubes and the process for sealing the terminals or the tubes : en
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  • FR939253A - Improvements to vacuum tubes : en fr
  • GB612331A - Process for polymerising polymerisable substances in the form of an emulsion : en
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  • BE485463A - : en fr
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  • US2453249A - Seal for centrifugal pumps : en
  • AU2224045A - Improvements in or relating to pulse modulation communication systems : en
  • CA452523A - Sprag and method of forming the same : en fr
  • CA452445A - Device for manufacturing thin-walled containers open at one end : en fr
  • US2453217A - Scavenging oil system for engines : en
  • US2453304A - Combined cigarette holder and ash tray : en
  • GB612190A - Improvements in or relating to chairs, seats and the like : en
  • AU146782B2 - Improvements in or relating to Azo pigment dyestuff compositions : en
  • AU142306B2 - Toilet powder box or compact : en
  • US2453553A - Measuring valve mechanism : en
  • AU146575B2 - Improvements in or relating to electric arc welding apparatus : en
  • GB612021A - Soap support : en
  • GB612146A - Improvements in or relating to apparatus for winding wire : en
  • US2453437A - Coin selecting device : en
  • AU144870B2 - Impulse transmission systems : en
  • GB612160A - Improvements in or relating to tippler apparatus : en
  • GB612393A - Bending or forming presses : en
  • US2453195A - Hernia truss : en
  • US2453364A - Protecting attachment for hair driers : en
  • US2453557A - Process of preparing a dispersion of carbon black : en
  • GB612067A - A fitment to hold jam jars and other articles : en
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  • AU2286748A - An improved method of and machine for loading bundles of tobacco leaves onto sticks : en
  • US2453406A - Fitting for automobile radiators : en
  • US2453561A - Window air vane device : en
  • US2453367A - Self-balancing centrifuge : en
  • US2453155A - Floating dock and wharf : en
  • FI23332A - Sätt att framställa äggersättningsmedel : en fi
  • FI23342A - The method of preparation for the production of ceramic products : en fi
  • GB612122A - Hydrogen-cyanide recovery : en
  • GB612427A - Improvements in or relating to cloth-raising and like rollers : en
  • FI23339A - Lids for cans or the like : en fi
  • GB612273A - Improvements relating to metal frames for fireplaces : en
  • GB612222A - Manufacture of acedianthrone derivatives : en
  • FR939377A - Improvements to the protection of underground metal structures : en fr
  • GB612197A - Improvements in or relating to a process and device for drying filaments : en
  • FR939224A - Amplifier tubes and speed modulation : en fr
  • GB612209A - Improvements in and relating to cigarette rolling devices : en
  • CA452471A - Printing device : en fr
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  • US2453425A - Hot food table heating apparatus : en
  • AU141546B2 - Reversing and lead controlling mechanism for fuel injection engines : en
  • US2453204A - Earth boring machine : en
  • FI23338A - A device designed to support a photographic machine or similar device : en fi
  • GB612055A - Improvements in the treatment of fabrics containing thermoplastic cellulose derivative filaments or fibres : en
  • GB612487A - Improvements in board games : en
  • CA452441A - Foundation garment : en fr
  • CA452502A - Wave guide for high frequency electric currents : en fr
  • US2453536A - Chisel retainer for pneumatic hammers : en
  • FI23319A - Viktbalanserad, av lameller bestående, uppåt skjutbar dörr eller dylikt : en fi
  • DK67905C - Pot-shaped electromagnet with hollow anchor stop. : da en
  • US2453215A - Engine starter and generator means : en
  • GB612120A - Improvements in and relating to building structures : en
  • US2453162A - Stoker : en
  • FR939342A - Improvements to automatic direction finding systems : en fr
  • US2453534A - Process for isolation of gramicidin : en
  • US2453608A - Cellulose ether compositions : en
  • US2453476A - Film spool guide ring : en
  • GB612319A - Aircraft cabin air conditioning system : en
  • GB612488A - Improvements in packeting machines for cigarette paper booklets and like articles : en
  • US2453460A - Manufacture of tetraalkyl thiuram monosulfide : en
  • US2453466A - Building construction : en
  • US2453519A - Combination razorstrop holder and heater : en
  • US2453635A - Emergency hub adapter : en
  • US2453127A - Pipe coupling : en
  • US2453309A - Vane type hydraulic motor : en
  • USD151681S - Self-service refrigerated display case : en
  • US2453537A - Tube-forming machine : en
  • AU139928B2 - Improvements in automatic relief valves : en
  • AU142048B2 - Improvements in or relating to continuous feed ink fountains for printing presses : en
  • AU2362248A - Improvements in or relating to turbine cooling systems : en
  • BE491766R - : fr
  • US2453688A - Fuse : en
  • USRE23048E - ent office : en
  • US2453241A - Composite radio frequency inductance : en
  • GB612060A - Improvements in or relating to turbo-compressor apparatus : en
  • US2453303A - Denture repair tool : en
  • US2453375A - Compressor : en
  • FR939370A - Process for the manufacture of adhesive compositions for the preparation of rubber reinforced with fibrous materials : en fr
  • GB612088A - Excavating and earth scattering machine : en
  • GB612286A - Improvements in or relating to vehicle underframe structures : en
  • US2453623A - Infolding method and machine : en
  • GB612194A - Improvements in or relating to electric switches employing a liquid conductor : en
  • GB612356A - Improvements in or relating to thermo-control arrangements for electric circuits : en
  • CA452510A - Radiogoniometer direction finder : en fr
  • US2453353A - Separator shield : en
  • BE485581A - Sensitive layer for color photography and cinematography and its manufacturing process : en fr
  • DK67903C - Sintered electrical resistance of metal oxides and process for its manufacture. : da en
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  • US2453258A - Pressure-sensitive adhesive sheet : en
  • USD151702S - Design fob a dress : en
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  • US2453559A - Polylactylic acid resins and process for making them : en
  • US2453229A - Unhairing machine : en
  • US2453446A - Preparation of carbonate salts of calcium and magnesium : en
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  • GB612198A - Improvements in or relating to a process and device for producing wool-like rayon filaments : en
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  • US2453515A - Restraining mechanism for freepiston units : en
  • AU2514645A - Improvements in or relating to windmills : en
  • US2453525A - Medicine administering spoon : en
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  • SE123169C1 - : en sv
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  • CA452466A - Core bit : en fr
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  • AU129593B2 - Improvements relating to electric water heaters : en
  • AU140436B2 - Improvements in remote control apparatus for radio recivers and the like : en
  • AU149540B2 - Improvements inthe manufacture of pile carpets, floor rugs and mats : en
  • AU2358348A - Improvements in or relating to stereotype plate finishing machines : en
  • US2453426A - Wheel traction device : en
  • US2453368A - Spray operating mechanism : en
  • GB612024A - Improvements in and relating to muting devices for signal receivers : en
  • GB612196A - Improvements in beam weighing scales : en
  • GB612378A - Improvements in or relating to metal shearing, riveting, punching or like machines : en
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  • AU145086B2 - Improved apparatus forthe manufacture of armatures for dynamo-electric machines : en
  • US2453223A - Method for making concrete building units : en
  • US2453633A - Process for extracting and purifying bitumen : en
  • CA452463A - Fishing rod holder : en fr
  • US2453213A - Process of treating lignin residues : en
  • AU140602B2 - Improvements in or relating to rotary printing presses : en
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  • CA452454A - Combination arch support and dampcourse for use in building constructions : en fr
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  • AU129591B2 - Improvements in feedback circuits for low frequency amplifiers : en
  • CA452539A - Ethers and their sulphonated derivatives : en fr
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  • AU2292648A - Improvements in or relating to building construction : en
  • US2453508A - Valve cooling means for internalcombustion engines : en
  • BE485535A - : en fr
  • FR939207A - Improvements to integrating systems : en fr
  • GB612132A - Improvements in or relating to elastic fluid turbines : en
  • DK67923C - Method of supplying pressurized fluid to control mechanisms for rotating blade screws and apparatus of such mechanisms for performing the method. : da en
  • FR939301A - Improvements to Demodulation Systems Used in Electrical Pulse Modulation Communications : en fr
  • FI23297A - Anordning med ett gentemot rumladdningsändringar känsligt urladdningsrör : en fi
  • BE485611A - : en
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  • GB612163A - Improvements in or relating to methods of making sound records and to sound-recording and sound-reproducing apparatus : en
  • GB612034A - Dispensing devices for solder : en
  • GB612089A - Improvements in high speed variable delivery ram pumps : en
  • GB612140A - Reciprocating pneumatic tool for filing, sawing and like operations : en
  • GB612258A - Improvements in or relating to display signs : en
  • USD151699S - Design for a ski sandal : en
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  • US2453265A - Educational device : en
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  • AU142552B2 - improvements in or relating to registration control devices for web feed printing presses : en
  • FR939349A - Method of connecting the current leads to the ends of rod-shaped electrical members : en fr
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  • GB612269A - Improvements in and relating to clamps for scaffolding and like structures : en
  • GB612359A - Improvements in radio antennas : en
  • FR939395A - Improvements to electromagnetic wave distance determination systems : en fr
  • GB612087A - Improvements in and relating to supports or carriers for goods in drying stoves : en
  • FR939392A - Improvements to vacuum tubes : en fr
  • AU158094B2 - Improvements in or relating to magnetic fluid clutch : en
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  • GB612233A - Improvements in tubes for heat exchange apparatus : en
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  • AU142716B2 - Improvements in or relating to apparatus for detecting and/or locating by electrical means masses of electrically conducting or magnetic material : en
  • CA452540A - Surface active rosin derivatives : en fr
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  • GB612291A - Improved means for attaching non-metailic pliable sheet material to spaced members of frames or equivalent supports : en
  • GB612113A - Improvements in centrifugal valves for hydraulically controlled clutches : en
  • FR939346A - Ultra high frequency electronic discharge device : en fr
  • GB612062A - An improved synthetic fuel and process of manufacturing the same : en
  • GB612036A - Improvements relating to means or devices for sowing seeds : en
  • GB612037A - Improvements in and relating to gauge apparatus for indicating the dimensions of tiles and similar articles : en
  • GB612463A - Improvements in or relating to sheet metal air ducts or other articles having sheet metal sides : en
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  • FI23302A - Three-phase electrical system : en fi
  • GB612008A - A preservative composition and its use for preserving pellicles of regenerated cellulose : en
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  • FR939330A - Improvements to relief valves for hydraulic pumps : en fr
  • US2453205A - Controlled fractional distillation of petroleum : en
  • US2453370A - Surgical brace : en
  • FR939348A - Improvements to electronic tubes : en fr
  • FR939295A - Improvements to electrical systems for transmitting a secret message : en fr
  • GB612155A - Improvements in direct reading ph meters : en
  • US2453159A - Container : en
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  • GB612123A - Improvements in or relating to stiffened fabrics and methods of manufacturing same : en
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  • US2453395A - Fuse : en
  • FI23301A - Power supply and power supply for electrodes : en fi
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  • US2453449A - Dynamoelectric machine with closed air circulating system : en
  • US2453651A - Control for internal-combustion engines : en
  • GB612278A - Improvements in looms for weaving : en
  • GB612257A - Improvements relating to slicing machines : en
  • DK67913C - Pliers for collecting teat cups. : da en
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  • AU144698B2 - Improvements relating to electron discharge devices having photo-electron or secondary electron emissive electrode : en
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  • GB612246A - Improvements in or relating to advertising and display devices : en
  • GB612006A - Improvements in the refining of hydrocarbons : en
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  • GB612022A - Ratchet spanner : en
  • AU2367648A - Improvements in or relating to wrist pin constructions : en
  • GB612496A - Improvement in variable speed device : en
  • FR939364A - Improvements to electronic discharge devices including hollow resonators : en fr
  • US2453287A - Power operating mechanism for typewriting machines : en
  • FR939211A - Advanced chrono-electric control device : en fr
  • GB612478A - Improvements in or relating to the electrolytic treatment of metals : en
  • US2453129A - Office cabinet having shelf-forming closures : en
  • CA452560A - Gaseous electric lamp : en fr
  • GB612164A - Improvements relating to automatic air-flow control means, particularly for use on aircraft : en
  • GB612338A - Improvements in and relating to apparatus for filling receptacles such as jars, bottles and the like, with liquids : en
  • GB612239A - Improvements in driving belts and ropes : en
  • US2453345A - Filtering apparatus : en
  • US2453492A - Barrel closing ring : en
  • GB612056A - Ethylene polymers and co-polymers : en
  • GB612149A - Cooling apparatus : en
  • GB612234A - Improvements in joints suitable for use in steering mechanism for automobile vehicles : en
  • FR939386A - Improvements to knife supports for weighing devices : en fr
  • CA452438A - Atomizer : en fr
  • GB612440A - Improvements in or relating to hydrocarbon wax compositions : en
  • FR939268A - Improvements to electronic discharge devices : en fr
  • FR939275A - Improvements to electronic discharge tubes and particularly to the mounting of electrodes in such tubes : en fr
  • GB612017A - Improvements in and relating to magnetrons : en
  • CA452474A - Sulphonated product : en fr
  • CA452543A - Naphthalene derivative and method of obtaining same : en fr
  • US2453173A - Remote control system : en
  • US2453495A - Starting system for free piston units : en
  • GB612484A - Improvements in or relating to trailer vehicles : en
  • GB612115A - Process for the manufacture of quinoline compounds : en
  • GB612320A - Improvements in or relating to electromagnetic clutches : en
  • GB612283A - Improvements in or relating to signal lanterns : en
  • GB612228A - Improvements in or relating to protective arrangements for electric supply systems : en
  • GB612293A - Improvements in undergarments : en
  • US2453634A - Glycidyl ethers : en
  • GB612147A - Improvements in or relating to tobacco pipes and cigarette holders : en
  • GB612329A - Improvements in and relating to directional aerials : en
  • GB612456A - Collapsible tubes : en
  • US2453442A - Folding camera support : en
  • US2453457A - Produce washing machine : en
  • GB612020A - Improvements in and relating to adhesives tapes or sheets : en
  • US2453320A - Welding electrode holder : en
  • FR939284A - Improvements to super-regenerative receivers for electromagnetic waves : en fr
  • GB612299A - Improved steering gear for variable track vehicles : en
  • FR939226A - Improvements to tanning photographic developers : en fr
  • CA452489A - Frequency divider : en fr
  • US2453252A - Tuning control mechanism for radio receivers : en
  • FR939220A - Shock-absorbing support for instruments and similar items : en fr
  • GB612449A - Improvements in conductor wire suspension systems for electric traction : en
  • GB612063A - Accessory drill for automatic lathes : en
  • FI23298A - Elektriskt urladdningsrör : en fi
  • GB612353A - Improvements in or relating to calculating devices : en
  • FI23306A - Anordning vid elektriska vattengasgeneratorer med nedåtriktad gasföring : en fi
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  • AU140769B2 - An improved device for expanding rubber and like constricting rings for use in emasculating and detailing lambs andother animals : en
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  • US2453488A - Garment drier head : en
  • US2453593A - Apparatus for separating entrained solids from gases : en
  • GR11842B - TILE AND MACHINE FOR THE MANUFACTURE OF TILES. : el en
  • US2453294A - Hatch plug for closing openings in ice containers of refrigerator cars : en
  • FR939246A - Track circuit signaling device for railway : en fr
  • DK67908C - Node connection for light metal pipe structures. : da en
  • DK67915C - Rope holder. : da en
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  • GB612349A - Improvements in or relating to electrical devices enclosed within evacuated or gas-tight envelopes : en
  • FR939383A - Improvements to support devices for flared parts on machine tool plates : en fr
  • GB612070A - Improved method of producing translucent and opaque polymeric material : en
  • GB612417A - Improvements in or relating to automatic phonographs : en
  • FR939340A - Improvements to electrically operated calculating devices : en fr
  • FR939390A - Improvements in the manufacture of electrical insulators or the like : en fr
  • GB612072A - Improvements in electrical warp stop motions for looms : en
  • GB612317A - Improvements in or relating to helicopters : en
  • DK67917C - Motion transmitting mechanism. : da en
  • FR939356A - Improvements to transmission systems : en fr
  • GB612342A - Improvements in or relating to electric power supply equipment for use, for example, in vehicles : en
  • GB612383A - Improvements in or relating to stacking chairs and the like : en
  • AU142217B2 - Improvements in or relating to inking mechanism for rotary printing presses : en
  • GB612339A - Improvement in multi-diameter crusher : en
  • GB612457A - Improvements relating to apparatus for making internal measurements : en
  • GB612261A - Actuating mechanism for the change-speed mechanism of a motor-vehicle : en
  • GR11847B - INCREASE SYSTEM OF THE HEATED SURFACE OF CENTRAL HEATING BOILERS THROUGH THE PASS OF EXHAUST GAS FROM THE DEAD EXTERIOR EXTERIOR. : el en
  • FR939381A - Improvements to the assembly of transmission lines : en fr
  • CA452554A - Glass moulding machine : en fr
  • US2453648A - Electrode holder : en
  • GB612208A - Improvements in or relating to the quick freezing of food : en
  • US2453530A - Food preserving apparatus : en
  • US2453199A - Antiparaffin sucker rod : en
  • US2453622A - Straining or filtering apparatus for liquids : en
  • US2453298A - Synthetic resins and preparation thereof by reacting an alkyl benzene, a phenolic compound, and a dihaloalkane : en
  • FI23334A - Method of production of peat board : en fi
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  • GB612182A - Improvements in or relating to automatic fire arms : en
  • GB612041A - Improvements in wrapping machines : en
  • US2453314A - Power distribution system of the bus bar duct type : en
  • GB612111A - Improvements in radio pulse-echo distance-measuring systems : en
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  • USD151672S - Design for an ash tray : en
  • FR939308A - Improvements to electric capacitors : en fr
  • GB612266A - Polymerisation and interpolymerisation of ethylene : en
  • FI23288A - Järnlegering : en fi
  • FR939287A - Improvements relating to frequency measurement devices applicable in particular to radio-electric altimeters : en fr
  • GB612267A - An improved device for damping humming noises in electricity meters : en
  • CA452571A - Rubber composition containing hydrocarbon resins : en fr
  • US2453456A - Instrument for measuring water flow in wells : en
  • US2453621A - Illuminated compact : en
  • GB612480A - Improvements in tank furnaces for the continuous manufacture of glass or vitreous materials : en
  • CA452467A - Drill bit : en fr
  • GB612134A - Improvements in or relating to struts for photograph frames, mirrors, and like articles : en
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  • CA452456A - Package with means for opening it : en fr
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  • US2453518A - Holder for artificial teeth : en
  • US2453591A - Hypodermic syringe : en
  • US2453573A - Grinder machine : en
  • CA452485A - Multi-cylinder 2-stroke cycle internal combustion engine : en fr
  • US2453413A - Valve structure : en
  • CA452559A - Light generating device and method : en fr
  • AU2335348A - Impulse transmission systems : en
  • CA452563A - Electrical apparatus : en fr
  • BE485572A - IMPROVEMENTS TO LIQUID SUPPLY VALVES : en fr
  • US2453208A - Adjustable chair for gunners : en
  • US2453504A - Dynamoelectric machine and securing device : en
  • US2453193A - Time switch : en
  • US2453636A - Low-tension ignition system fob : en
  • US2453532A - Electrostatic microwave energy measuring apparatus : en
  • USD151690S - Design for a jacket : en
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  • GB612268A - A process for improving the stitch-closeness of regenerated cellulose stockinet : en
  • US2453566A - Dialkyl thioacetals of cholestanone and method : en
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  • AU138435B2 - Improvements in or relating to clutches for guillotines power-presses orthe like machines : en
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  • CA452462A - Clinical thermometer : en fr
  • FR939347A - Improvements to Multichannel Electrical Pulse Communication Systems : en fr
  • GB612118A - Cathode ray deflecting circuit : en
  • CA452577A - Water paint base and method of preparing water paint : en fr
  • CA452558A - Controlled peaking transformer : en fr
  • US2453631A - Combination baby carriage and shopping cart : en
  • AU2362448A - Improvements in or relating to multichannel electric pulse communication system : en
  • US2453599A - Dough-preparing device for latticework pie crusts : en
  • US2453187A - Radio receiver sequence tuner : en
  • AU141984B2 - Improvements in or relating to stereotype plates : en
  • AU2358148A - Improvements in or relating to sheet handling mechanism : en
  • USD151706S - Design foe a necklace or similar article : en
  • USD151725S - Design for a pruning saw : en
  • US2453219A - Grease interceptor : en
  • CA452469A - Unwinder control mechanism : en fr
  • CA452547A - Measuring apparatus for ultra-high frequency energy : en fr
  • FR939233A - Improvements to electrical signaling systems : en fr
  • AU2357748A - Improvements in or relating to folders for printing presses : en
  • USD151677S - Design for a font of type : en
  • US2453170A - Control device and system : en
  • US2453611A - Antiskid device : en
  • US2453489A - Ultra high frequency oscillator : en
  • CA452570A - Moulded plastic receptacle : en fr
  • FR939319A - Improvements to hydraulic regulators : en fr
  • AU2294848A - Process of making benzene hexachloride free from objectionable odours : en
  • GB612189A - Improvements in aircraft with rotary wings : en
  • GB612290A - Improvements in and relating to counter cabinets or the like : en
  • AU2367848A - Systems of transmission of intelligence by carrier currents : en
  • GB612441A - Improvements in and relating to boilers : en
  • CA452542A - Naphthalene derivative and method of obtaining same : en fr
  • AU142546B2 - Improvements in or relating to highspeed reel joining mechanisms for use with newspaper printing machines orthe like : en
  • US2453388A - Trailer construction : en
  • AU1703647A - A lighter tube for liquid fuel operated water heaters : en
  • AU2357848A - Tensioning of printing plate cylinders : en
  • US2453676A - Alkamine esters of pyrrole-3, 4-dicarboxylic acids : en
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  • GB612412A - Improvements in and relating to the application of metal coatings to metal surfaces : en
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  • GB612470A - Improvements in or relating to electron discharge devices : en
  • FR939231A - Improvements in the manufacture of electric coils : en fr
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  • GB612452A - Improvements in or relating to pyrotechnic devices for producing disturbances under water : en
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  • FR939382A - Improvements to facsimile recorders : en fr
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  • FR939336A - Adiabatic drying process and installation : en fr
  • GB612387A - A device for automatically cutting off a gas supply : en
  • GB612473A - Improvements in boiler units of absorption refrigerating apparatus : en
  • DK67900C - Frequency device for carrier frequency multi-channel systems. : da en
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  • FR939277A - Improvements to high frequency electric cables : en fr
  • GB612321A - Improvements in or relating to bending machines : en
  • GB612493A - Arrangement for mounting electric batteries, particularly on vehicles : en
  • DK67902C - Installation for night power-free bearing. : da en
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  • US2453122A - Reflector collimator sight for torpedo ejectors : en
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  • GB612195A - Tool device for finishing packing rings : en
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  • US2453257A - Rotatable microscope eyepiece mounting and guard means therefor : en
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  • GB612200A - Improvements in sludge blasting apparatus for treating metal articles : en
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  • GB612131A - Improvements in mustard pots, preserve jars and butter dishes : en
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  • FR939276A - Improvements in the production of short electrical pulses : en fr
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  • US2453645A - Microwave power measuring apparatus : en
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  • BE485363A - : en fr
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  • US2453194A - Light polarizing headlight lamination : en
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  • US2453672A - Alkamine esters of pyrrole-3, 4-dicarboxylic acids : en
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  • FR939289A - Improvement in radio transmission systems : en fr
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  • GB612374A - Improvements relating to die casting : en
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  • GB612221A - Improvements in or relating to electrical condensers : en
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  • FR939232A - Improvements in the manufacture of electric capacitors : en fr
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  • CA452478A - Amino alcohol ester : en fr
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  • US2453131A - Refrigerating system : en
  • CA452544A - Combined outboard motor stand and carrier : en fr
  • US2453268A - Tuning control apparatus : en
  • US2453347A - Stabilization of photographic prints with thiophenols : en
  • USD151687S - Combined lamp and smoking stand : en
  • US2453383A - Flexible coupling : en
  • US2453555A - Gas blast circuit breaker : en
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  • CA452481A - Spinning artificial filaments : en fr
  • AU141982B2 - Improvements in or relating to inking mechanism for rotary intaglio printing presses : en
  • GB612405A - Improvements in or relating to apparatus for controlling the passage of high frequency energy across a joint between two conductors : en
  • US2453349A - Drilling appliance : en
  • US2453494A - Fluorenone dielectric composition : en
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  • US2453646A - Toy, display device, and the like : en
  • US2453673A - Alkamine esters of pyrrole-3, 4-dicarboxylic acids : en
  • AU138045B2 - Improvements relating to cover securing means of pudding steamers andthe like : en
  • AU2361748A - Means for controlling the temperature of hot gases : en
  • AU2363848A - Improvements relating to primary cells anda cathode assembly forthe same : en
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  • GB612142A - Improvements in or relating to process and apparatus for measuring the magnetic susceptibility of fluids : en
  • GB612409A - Improvements in or relating to ultra high frequency apparatus for interchanging energy between a concentric transmission line and a circular wave guide : en
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  • US2453255A - Hand brake : en
  • FR939292A - Improvements to accurately measuring short periods of time : en fr
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  • US2453520A - Organic titanium compound and method of making same : en
  • AU1722247A - Improvements relating to cover securing means of pudding steamers andthe like : en
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  • GB612031A - Improvements in and relating to brakes for bicycles : en
  • GB612053A - Domestic wringing machines : en
  • GB612494A - Sway braces for pipelines or like parts : en
  • AU140652B2 - Improvements in or relating to apparatus for casting stereotype printing plates : en
  • DK67922C - Device for ship machinery. : da en
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  • US2453310A - Apparatus for separating starch from gluten : en
  • GB612482A - Improvements in and relating to electric power cable : en
  • US2453116A - Vehicle suspension : en
  • US2453280A - Coin controlled vending machine : en
  • GB612192A - Improvements relating to apparatus for operating devices having a negative resistance characteristic from an alternating electric current supply circuit : en
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  • FR939394A - Improvements in frequency measurement : en fr
  • GB612179A - Improvements in and relating to industrial bath furnaces : en
  • GB612039A - Improvements in artificial flowers and foliage : en
  • GB612379A - Improvements in or relating to hand stamps : en
  • GB612442A - Improvements relating to voltage regulating apparatus for alternating current circuits : en
  • GB612305A - Improvements relating to electrical switches having mercury contacts : en
  • AU2359848A - An Ink roller vibrator unit for printing presses : en
  • FR939244A - Improvements to valves for pressurized fluids : en fr
  • GB612324A - A method of and apparatus for anchoring reinforcements, in pre-stressed concrete andstructures provided with such anchorings : en
  • AU2364748A - Improvements in or relating to magnetic fluid clutch : en
  • GB612183A - Improvements in nut locking devices : en
  • GB612219A - Improvements in circuits and in apparatus for indirect testing processes, to determine the making and breaking capacity of electric switches and circuit breakers : en
  • GB612125A - Higher alkoxy silicon halides and materials treated therewith : en
  • US2453497A - Honda : en
  • US2453119A - Sewing machine : en
  • US2453121A - Gas porting device for shotguns : en
  • US2453416A - Fluid distribution system : en
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  • BE485476A - : en
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  • BE485779A - : en fr
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  • FR939297A - Selection and synchronization device for electrical pulses : en fr
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  • USD151721S - Bolster cover for fillows or similar article : en
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  • US2453665A - Compound optical element cemented with a polyester of fumaric acid : en
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  • US2453533A - Electrostatic microwave energy measuring apparatus : en
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  • FR939396A - Improvements to navigation systems : en fr
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