- US2404642A - Roller bearing retainer :
en
- US2404756A - Apparatus for correcting differences in register :
en
- US2404757A - Instrument box :
en
- US2404550A - Method of obtaining magnesia and potash from the waters of the great salt lake :
en
- US2404743A - Device for adjusting the pitch of air propellers :
en
- US2404518A - Tractor implement :
en
- CA435926A - Wind recording apparatus :
en
fr
- GB579144A - Improvements relating to gain regulation in electrical communication apparatus :
en
- GB579198A - Improvements in or relating to optical measuring apparatus :
en
- US2404594A - Reinforced buoyant rubber disk :
en
- US2404544A - Aircraft :
en
- US2404593A - Ash receiver and sifter :
en
- US2404538A - Manufacture of arylalkene hydrocarbons :
en
- US2404509A - Hydrantoins and methods of obtaining the same :
en
- USD145248S - Design fob a dress :
en
- CA435993A - Typewriting calculating machine :
en
fr
- US2404391A - Prismatic and high power compressional-wave radiator and receiver :
en
- US2404632A - Electric resistance welding apparatus :
en
- US2404424A - Machine for coiling metal stock :
en
- US2404385A - Spring holder for cantilever elements :
en
- US2404613A - Crankshaft grinding machine :
en
- US2404689A - Doctor blade :
en
- GB579108A - Brake shoe adjusting means :
en
- IE17100L - Closures for bottles etc. :
en
- FR911807A - Combination tools for the rapid construction of buildings :
en
fr
- US2404577A - Lifting jack :
en
- DK64649C - Device for Magasing gramophones. :
da
en
- GB579218A - Rectifiers and method of making same :
en
- FR911816A - Mechanical pencil with reservoir comprising a body composed of cells :
en
fr
- FR912015A - Device for instantaneous transformation of a man's bicycle into a lady's bicycle :
en
fr
- GB579117A - Improvements in or relating to means for increasing the signal to noise ratio in radio transmission systems :
en
- US2404686A - Respiratory filtering device :
en
- US2404486A - Amphibian propulsion mechanism :
en
- US2404521A - Wagon, trailer, and implement tongue :
en
- US2404566A - Telephoto system :
en
- FR911957A - Electric welding clamp :
en
fr
- US2404603A - Attitude-indicating flight instrument :
en
- IE17068L - Battery connector :
en
- GB579065A - Improved electrical testing instrument :
en
- FR911863A - Symmetrical finger joint for clamps and removable instruments, and especially for surgical instruments :
en
fr
- US2404359A - Frequency discriminator :
en
- US2404606A - Method and machine for burnishing the surface of paper :
en
- GB579194A - Improvements in or relating to signal communication systems :
en
- FR911960A - Generator :
en
fr
- US2404571A - Synchronizing mechanism :
en
- US2404658A - Ignition spark gap device :
en
- US2404656A - Adjustable guide for flame hardening torches :
en
- CA435948A - Cyclic process :
en
fr
- US2404485A - Receptacle base :
en
- CA436022A - Textile material recovery :
en
fr
- DK64652C - Procedure and Pressing Apparatus for Placing a Cladding on Welding Rods or Welding Wire. :
da
en
- FR911893A - Method and device for controlling traction motors of diesel-electric vehicles with power control :
en
fr
- FR911924A - Radial drilling machine :
en
fr
- FR911913A - Method and device for shielding radio-electric devices :
en
fr
- US2404390A - Wheel structure :
en
- US2404453A - Removal of chlorate from caustic soda :
en
- US2404517A - Curling rod :
en
- US2404720A - Polymer products :
en
- US2404449A - Automatic tire stitching machine :
en
- US2404557A - Food handling apparatus :
en
- FR912028A - Anti-theft device for motor vehicles, or other applications :
en
fr
- FR911932A - Liquid tight seal :
en
fr
- FR912037A - Lug point :
en
fr
- US2404588A - Basic esters of 1-aryl-cycloalkyl-1-carboxylic acids and a process for their manufacture :
en
- US2404592A - Direct fired unit heater :
en
- AU17146A - Improvements in or relating to typographical element or matrix :
en
- US2404516A - Method of cleaning steam boilers :
en
- FR911832A - Manufacture of low-chloride calcium chlorate solutions :
en
fr
- FR911811A - Automatic and permanent perfumer :
en
fr
- FR911879A - Reed turbine :
en
fr
- GB579137A - A process for the manufacture of non-metallic collapsible tubes :
en
- FR911955A - Steering device for four-wheel motor vehicles :
en
fr
- GB579159A - Improvements in or relating to submersible watercraft driven by internal-combustion engines :
en
- GB579202A - Improvements in or relating to electrical methods of and apparatus for determining the thickness of metal coatings :
en
- CA435910A - Immersing and centrifuging unit :
en
fr
- US2404602A - Ingot hook :
en
- FR911861A - Lighting system and device :
en
fr
- FR911928A - Assembly device for polycylindrical star machines :
en
fr
- FR911897A - Assembly method of tower lifting cranes :
en
fr
- US2404388A - Wheel structure :
en
- CA435915A - Jet propulsion engine :
en
fr
- USD145252S - Design for a brooch or similar
article :
en
- FR911934A - Soft wire switch :
en
fr
- AU130557B2 - Soil fertilizing apparatus :
en
- CA435946A - Ester :
en
fr
- CA435949A - Synthetic resin :
en
fr
- FR911844A - Filter for all fluids under pressure, liquids or viscous :
en
fr
- AU134387B2 - Direction finder :
en
- FR911970A - Fishing net :
en
fr
- GB579087A - Improvements in or relating to golf bag stands :
en
- US2404484A - Double walled container :
en
- US2404432A - Ventilator mechanism for automobile doors :
en
- AU1270544A - Improvements in or relating to azo pigment dyestuffs, and methods of producing thesame :
en
- US2404357A - Coated methyl methacrylate polymer :
en
- DK64655C - Plate For Use When Wrapping Eggs. :
da
en
- GB579118A - Improvements in or relating to remote control arrangements :
en
- CA435947A - Mixed ester :
en
fr
- US2404766A - Fuel tank :
en
- CA435952A - Pest control :
en
fr
- AU496646A - The production of unsaturated tetraesters andthe polymerisation thereof :
en
- FR911973A - Seal :
en
fr
- US2404477A - Toy :
en
- US2404640A - Ultra high frequency signaltranslating apparatus :
en
- FR911961A - Windshield improvements :
en
fr
- GB579049A - Improvements in or relating to the manufacture of air-cooled vapour electric arc converters :
en
- US2404523A - Connector for windshield wiper arms :
en
- US2404692A - Packer anchor :
en
- US2404751A - Gauge :
en
- US2404562A - Recording scale :
en
- GB579063A - Manufacture of tris-and tetra-kisazo dyestuffs yielding dyeings capable of being coppered :
en
- US2404513A - Gas cylinder holder :
en
- US2404384A - Self-supporting pessary :
en
- CA435906A - Bottle closure :
en
fr
- FR911837A - Improvement in prestressed reinforced concrete pipes :
en
fr
- GB579053A - Improvements in or relating to the cooling of eddy-current apparatus :
en
- US2404360A - Tunable underwater signal source :
en
- US2404726A - Polymer compositions and their preparation :
en
- GB579173A - Improvements in devices for releasing heavy objects, particularly for dropping bombs from aircraft :
en
- GB579131A - Improvements in and relating to nose protectors, face masks and the like :
en
- US2404634A - Process for manufacturing felt hats :
en
- US2404651A - Piston :
en
- FR911929A - Self-regulating coupling device, relating to electromagnetic circuits :
en
fr
- US2404711A - Polymerization products from aromatic carbonyl compounds and aromatic vinyl compounds :
en
- US2404738A - Oscillograph :
en
- FR911852A - Fixing device :
en
fr
- GB579145A - Improvements in or relating to pipe couplings :
en
- US2404497A - Lasting machine :
en
- US2404759A - Bulldozer or scraper structure :
en
- GB579196A - Improvements in or relating to rebound checks for firearms :
en
- GB579215A - Apparatus for the protection of food, meat or bacon against flies or insects :
en
- US2404528A - Amphibian steering mechanism :
en
- USD145258S - Design for a brooch or similar
article :
en
- FR911806A - Transformation vehicle :
en
fr
- FR912029A - Variable pressure gas burner with automatic air addition :
en
fr
- GR10778B - TSAROUCHI (PIGAS) OUT OF TIRE. :
el
en
- CA435983A - Ethyl mercury salt preparation :
en
fr
- US2404511A - Refrigerating method and apparatus :
en
- US2404595A - Catalytic conversion of hydrocarbon oils :
en
- US2404662A - Electrical contact element :
en
- GB579201A - Improvements in and relating to non-ferrous welding electrodes :
en
- US2404650A - Processing kiln :
en
- FR911864A - Mining machine :
en
fr
- USD145250S - Design fob a brooch ob similar
article :
en
- FR912045A - Improvements to uni and multipolar mercury breakers, simple and effect :
en
fr
- US2404503A - Preparation of amino acids from their salts :
en
- FR911894A - Device for balancing the inductance of conductors for high currents :
en
fr
- GB579041A - Improvements in or relating to plant for producing compressed air in particular on board aircraft :
en
- FR911969A - Universal joint :
en
fr
- FR911956A - Device for the production of hot water at constant and adjustable temperature :
en
fr
- CA435954A - Ester :
en
fr
- GB579152A - Improvements in or relating to fluid flow control valves :
en
- GB579150A - Improvements in apparatus for regulating gas pressure in closed pneumatic systems :
en
- FR911848A - Suspension device for machine tool oscillating table :
en
fr
- US2404700A - Manufacture of vinyl ethers :
en
- FR911958A - Improvements to grinders :
en
fr
- FR911840A - Water heater :
en
fr
- FR911883A - Detachable double-acting tip for general tripods :
en
fr
- US2404532A - Bottle carrier :
en
- US2404351A - Forging press :
en
- US2404721A - Polymer products and process for producing the same :
en
- USD145271S - Design fob a pin clip or similar
article :
en
- GB579081A - Apparatus for the production of composite artificial filaments :
en
- GB579059A - Improvements in or relating to linear-dimension gauging devices :
en
- FR912020A - extinguisher spark arrester :
en
fr
- AU521746A - Direction finder :
en
- FR912030A - Machine for the removal and transport of objects such as, in particular, compressed gas cylinders, sections of bars, projectiles :
en
fr
- GB579056A - A system for the electrical transmission of correspondence control and torque :
en
- GB579193A - Improvements in or relating to mountings for machine guns or automatic rifles :
en
- FR911827A - Hydraulic shock absorber for flying devices :
en
fr
- FR911819A - Cylindrical brush manufacturing device :
en
fr
- FR911920A - Process for obtaining a resin by casting :
en
fr
- FR911801A - Process for the production of color photographic images :
en
fr
- GB579190A - Improvements in or relating to mine sweeping devices :
en
- FR911990A - Capping device for containers :
en
fr
- FR911986A - Process for obtaining oils with low thawing point and paraffins with different melting points :
en
fr
- FR911822A - Shock absorber device mainly applicable to suspension springs :
en
fr
- FR912011A - Plug :
en
fr
- US2404590A - Heat concentrating nozzle protector for heating, cutting, and welding torches, and the like :
en
- CA435985A - Manufacture of artificial fibres :
en
fr
- FR911886A - Balanced rocker locking and braking device :
en
fr
- US2404510A - Hydantoins and methods of obtaining the same :
en
- US2404350A - Continuous method of printing textiles and the like and apparatus therefor :
en
- GB579095A - An improvement in or relating to the withdrawal of liquids from containers :
en
- GB579044A - Improvements in sparking-plugs for internal-combustion engines :
en
- GR10776B - BUILDING MATERIAL SUITABLE FOR BIBLE. :
el
en
- GB579030A - Improvements in or relating to searchlights and light beacons :
en
- IE17655L - Forming metal rectifiers :
en
- GB579204A - Improvements in and relating to electric heaters with temperature control by thermal switches :
en
- AU522146A - Multiple reaction circuit amplifier :
en
- AU528746A - Direction finder :
en
- US2404487A - Amphibian propulsion mechanism :
en
- AU126968B2 - Improvements in or relating to television systems :
en
- AU533046A - Air andother filters and cleaners :
en
- FR912047A - Improvements to single-pole mercury switches in time :
en
fr
- CA14762S - Earring :
en
- US2404563A - Writing device :
en
- AU172746A - Thread grinding machine :
en
- US2404685A - Bottle carrier grill :
en
- CA435902A - Boat scull :
en
fr
- CA435957A - Mixed ester :
en
fr
- US2404526A - Flashlight and shutter synchronizer :
en
- US2404472A - Hand mirror mount :
en
- US2404446A - Lubricant additives and preparation thereof :
en
- GB579181A - Improvements in or relating to the treatment of vinyl chloride-vinylidene chloride copolymers :
en
- CA435978A - Zero phase shift selective amplifier :
en
fr
- CA436004A - Metal salt recovery :
en
fr
- AU521846A - Plasticised ethyl cellulose and methods of making thesame :
en
- AU137624B2 - Electric discharge device :
en
- CA436009A - Catalyst preparation :
en
fr
- US2404635A - Sealing means for driving motors of submersible pumps :
en
- US2404668A - Fluid transmission :
en
- FR912002A - New and practical adaptation of photography on cloth :
en
fr
- US2404636A - Vulcanizing mold and method of operation :
en
- US2404670A - Latch mechanism :
en
- FR911882A - Rapid construction process using formwork with removable metal framework allowing concrete to be poured in one go, floor by floor :
en
fr
- AU130585B2 - Hem markers :
en
- AU135625B2 - Improvements relating to electric pulse transmission circuits :
en
- US2404637A - Cushioning means for draft gears and the like :
en
- US2404549A - Faucet attachment :
en
- GB579090A - Improvements in or relating to radio systems for guiding aircraft :
en
- AU129214B2 - Aircraft cabin pressure regulator :
en
- AU1428944A - Gunfire interrupter screens :
en
- AU525346A - Electric discharge device :
en
- CA14754S - Typewriting machine :
en
- USD145263S - Design fob an earring or similar
article :
en
- US2404646A - Heater :
en
- FR912035A - Removable cylindrical barrel :
en
fr
- AU131110B2 - Air andother filters and cleaners :
en
- CA435960A - Resinous composition :
en
fr
- US2404612A - Torpedo net :
en
- CA435964A - Circuit interrupter :
en
fr
- FR911838A - Manufacturing process of elastic plastics :
en
fr
- GB579146A - Improvements in linings for press cages of screw expeller presses :
en
- FR912027A - Improvements to the saddle attachment devices for thermionic tube supports and other electrical components :
en
fr
- CA435885A - Retort :
en
fr
- US2404464A - Pipe forming machine :
en
- DK64654C - Fully encapsulated chainless Gear Drive, especially for Bicycles. :
da
en
- CA435927A - Emergency relief valve :
en
fr
- FR911931A - Grinding machine :
en
fr
- GB579109A - Process for metal plating and baths and compositions suitable for use therein :
en
- AU131208B2 - Thread grinding machine :
en
- US2404524A - Pumping mechanism :
en
- GB579154A - Improvements in or relating to the detection and/or observation of reflecting objects by means of radiation :
en
- AU2530145A - Television transmitting tubes :
en
- US2404520A - Mounting device for dual wheels :
en
- US2404698A - Insect repellent composition :
en
- FR911878A - Light edging for sidewalks and other applications :
en
fr
- FR911831A - Improvements to electrically controlled fans :
en
fr
- GB579132A - Improvements in or relating to couplings for pipes, tubes and the like :
en
- GB579206A - Improvements in or relating to extensometers or similar instruments :
en
- GB579125A - Improvements in or relating to power-plants for submarines and the like :
en
- US2404436A - Isomerizing hydrocarbons :
en
- US2404597A - Temperature controller :
en
- GB579156A - Improvements in or relating to electron discharge apparatus incorporating high-frequency resonators :
en
- FR911862A - Lipstick Stick Tube :
en
fr
- GB579098A - Refractories :
en
- US2404494A - Rotary seal :
en
- GB579085A - Improvements in door latch furniture :
en
- US2404372A - Fastening device :
en
- FR911938A - Multiple orthopedic table :
en
fr
- CA435935A - Asymmetrical dichloroethylene interpolymer :
en
fr
- US2404558A - Container :
en
- US2404715A - Polymer solutions :
en
- BE462657A - Improvements to so-called "radar" exploratory equipment, stabilized, mounted on vehicles of all types :
en
fr
- CA435922A - Magnesium purification :
en
fr
- US2404596A - Temperature controller :
en
- US2404417A - Secondary multiplication power tube :
en
- US2404611A - Booster ram adjustment :
en
- FR912023A - Centrifugal machine :
en
fr
- FR911976A - Improvements in glove manufacturing :
en
fr
- GB579037A - Improved means for "landing" seaplanes at sea :
en
- GB579155A - Improvements in or relating to electron discharge apparatus :
en
- DK64651C - Bag-shaped Mask for Retaining Fur Animals. :
da
en
- US2404442A - Agricultural tractor :
en
- US2404568A - Automatic frequency control :
en
- US2404580A - Tool :
en
- US2404760A - Bulldozer or scraper structure :
en
- FR911996A - Adjustable milling tool, reamer or similar tool :
en
fr
- FR911935A - Method of operating a gas heater, in particular for thermal power plants :
en
fr
- GB579093A - Lathe driver device :
en
- US2404491A - Amphibian steering mechanism :
en
- US2404573A - Gear grinding machine :
en
- GB579080A - An improvement in or relating to indicating mechanism for looms for weaving :
en
- FR911922A - Dibble :
en
fr
- FR911859A - Isothermal joint compound :
en
fr
- GB579164A - Improvements relating to the prevention of corrosion of magnesium and magnesium base alloy surfaces :
en
- GB579052A - A process for the manufacture of hard metal products :
en
- US2404750A - Gauge :
en
- USD145245S - Combination jigger and bottle opener :
en
- US2404623A - Torque transmitting mechanism :
en
- US2404551A - Treatment of hydrocarbons :
en
- AU121759B2 - Improved method and means for evacuating eggs :
en
- CA435888A - Fire protected flue :
en
fr
- US2404420A - Bearing assembly :
en
- CA436023A - Electric discharge tube starting and feeding device :
en
fr
- AU132391B2 - Improvements in pipe joints and unions :
en
- FR911982A - Method for obtaining valve guides :
en
fr
- GB579062A - High frequency oscillators :
en
- GB579130A - Improvements in and relating to reaction products of aldehydes and bis-(diamino triazinyl) disulphides :
en
- US2404345A - Counter pasting machine :
en
- GB579046A - Chemical immersion heater :
en
- FR911941A - building element :
en
fr
- USD145268S - Design fob a brooch ob similar
article :
en
- US2404746A - Hand held low altitude bomb sight :
en
- US2404713A - Method for preparing polymeric solutions :
en
- US2404471A - Floor construction :
en
- CA436011A - Invisible ray vision system :
en
fr
- DK64647C - Procedure for Solubilization of Protein Fibers by Treatment with Chromium Salts. :
da
en
- CA435916A - Water craft propulsion and manoeuvring :
en
fr
- CA435956A - Mixed ester :
en
fr
- CA435977A - Coffee extraction :
en
fr
- US2404655A - Machine for felling trees :
en
- CA435962A - Floor covering :
en
fr
- AU133086B2 - Improvements in or relating to colour cinematography :
en
- CA435941A - Vinyl compound and polymer therefrom :
en
fr
- CA436018A - Railway car sliding door :
en
fr
- AU137100B2 - Improvements relating to electric selective systems :
en
- CA435968A - Electrical insulation :
en
fr
- CA435997A - Fluid flow meter :
en
fr
- AU515546A - Improvements relating to electric selective systems :
en
- CA435992A - Liquid container :
en
fr
- US2404394A - Heating shield for all types of airplane engines :
en
- US2404426A - Surface chabacteeibtics of solid :
en
- AU1553844A - Improved adhesive composition :
en
- USD145265S - Design for an earring or similar
article :
en
- US2404671A - Molding process :
en
- FR911968A - Universal joint :
en
fr
- FR912040A - Advanced safety razors :
en
fr
- CA436012A - Electron discharge device :
en
fr
- CA435928A - Machine tool duplicator :
en
fr
- US2404374A - Polyfluorinated cycloparaffins and process for producing them :
en
- CA435881A - Sandal :
en
fr
- CA435976A - Air cooled reduction gear unit :
en
fr
- CA436006A - Ammunition priming mixture :
en
fr
- CA435991A - Cot fastener :
en
fr
- US2404679A - Carbonator :
en
- GB579208A - Improvements in heilmann combing machines :
en
- FR911985A - Impact and projection crusher, especially for grain :
en
fr
- GB579124A - Improvements in or relating to torpedo tubes :
en
- GB579163A - Improvements relating to the prevention of corrosion of magnesium and magnesium base alloy surfaces :
en
- AU1407944A - Improvements in shuttles and bobbins for loom :
en
- FR911830A - Gear change device :
en
fr
- GB579148A - Improvements in and relating to tools for dimpling rivet holes :
en
- US2404465A - Radius to tangent compound angle dresser :
en
- FR911952A - Micrometer :
en
fr
- AU1431344A - Improvements in or relating to welding rods :
en
- FR911845A - Lubricating device for sliding carriages of machine tools :
en
fr
- FR911910A - Lighter :
en
fr
- FR911818A - Manufacturing process for laces :
en
fr
- CA435955A - Mixed ester :
en
fr
- FR912041A - Device for influencing high-frequency oscillations using gas discharge lamps as controllable capacitors :
en
fr
- AU121755B2 - Gunfire interrupter screens :
en
- US2404691A - Chemical compounds :
en
- FR911805A - Fluid pump and distribution, especially for hydraulic cylinders :
en
fr
- US2404402A - Ski runner :
en
- US2404604A - Grinding tool guide :
en
- BE462574A - Manufacture of organic halogen compounds :
en
fr
- GB579094A - Improvements relating to desiccants :
en
- USD145260S - Design for a brooch or similar
article :
en
- GB579040A - Improvements in or relating to wet spinning :
en
- AU136993B2 - Electron dischrage devices :
en
- GB579147A - Improvements in or relating to heat sealing machines :
en
- GB579061A - Improvements in the extraction of oil from whale meat and like materials :
en
- AU1487844A - An improved dog for lifting floors or dismantling other structures :
en
- FR911856A - Improvements to automatic telephony selectors :
en
fr
- GB579042A - Improvements relating to radio direction finding equipments :
en
- US2404347A - Apparatus for cleaning of flue gases :
en
- US2404460A - Article handling apparatus :
en
- US2404716A - Polymer products :
en
- GR10775B - ADDITIONS AND IMPROVEMENTS TO MOVING INSTRUMENTS FOR USE OF TEACHING AND STUDY. :
el
en
- GB579106A - Improvements relating to the manufacture of wheels for toys :
en
- FR912012A - Device for sealing windows and other openings :
en
fr
- AU128688B2 - Improvements in or relating to means for plotting transition curves cams andthe like :
en
- US2404355A - Secret signaling system :
en
- FR912034A - Helical wheel pitch test machine :
en
fr
- AU131717B2 - Automatic limiter system :
en
- AU330346A - Improved manufacture of articles coated with organosilicon compositions :
en
- AU1024143A - Spring grip for holding articles upon aline and for analogous purposes :
en
- AU131030B2 - Improvement in battery charging system :
en
- CA435942A - Thermoplastic sheet shaping method and apparatus :
en
fr
- US2404461A - Method for operating blast furnaces :
en
- BE462600A - :
en
- CA435988A - Safety live line electrical connector :
en
fr
- AU1558944A - Improvements in chemical closets :
en
- AU2459645A - Synthetic rubber :
en
- GB579067A - Improvements in or relating to shearing and cutting-off dies :
en
- GB579191A - Improvements in processes and devices for welding glass to metal and articles obtained thereby :
en
- CA435953A - Ester :
en
fr
- CA436010A - Thermostat :
en
fr
- US2404639A - Means to turn rotatable structures :
en
- CA435907A - Cultivator :
en
fr
- US2404542A - Resonator for oscillators :
en
- AU135261B2 - Jewel bearings :
en
- CA435982A - Belting :
en
fr
- CA435967A - Circuit interrupter :
en
fr
- US2404496A - Measuring and dispensing attachment for containers :
en
- AU1327244A - Improvements in or relating to punch presses :
en
- CA435986A - Helical gear grinding machine :
en
fr
- AU1232843A - Method of treating cereal grain :
en
- CA435925A - Polymeric material production :
en
fr
- AU515646A - Improvements relating to electric pulse transmission circuits :
en
- FR912046A - Improvements to combinators using mercury breakers :
en
fr
- AU387946A - Directive antenna systems :
en
- AU1216643A - Improvements in writing instruments :
en
- US2404541A - Method of generating highfrequency oscillations :
en
- US2404684A - Dental tray :
en
- US2404729A - Water toy :
en
- US2404737A - Sulphanilylsulphanilamide derivatives :
en
- AU410846A - An improved valve arrangement for internal combustion engines :
en
- CA435939A - Resin dispersion for textile and paper industries :
en
fr
- CA435972A - Rectifier element :
en
fr
- US2404490A - Amphibian propulsion mechanism :
en
- CA435884A - Hair dryer :
en
fr
- CA436020A - Process for treating lubricating oil of engines :
en
fr
- CA14760S - Finger ring :
en
- AU121738B2 - Improvements in or relating to azo pigment dyestuffs, and methods of producing thesame :
en
- US2404458A - Decorticating machine :
en
- US2404482A - Two-wheeled cable operated rear dump scraper :
en
- CA435940A - Ester preparation :
en
fr
- AU1259044A - Improvements inthe filtering of oil :
en
- US2404447A - Expansion joint :
en
- US2404375A - Electromechanical device :
en
- US2404400A - Radio beacon :
en
- US2404365A - Production of fat-soluble vitamin ester concentrates :
en
- FR911921A - Automatic firearm :
en
fr
- GB579047A - Improvements in manufacture of un-saturated aldehydes from acetaldehyde or its homologues :
en
- IE18142L - Loop antenna :
en
- FR911946A - Low liquid volume power switch :
en
fr
- US2404695A - Manufacture of aryl sulphenamides :
en
- FR912049A - Fluid brake :
en
fr
- US2404506A - Toy vehicle :
en
- FR911964A - Improvements in bridge construction :
en
fr
- GB579142A - Method and apparatus for conducting ionic exchange operations :
en
- US2404382A - Fruit cutter and squeezer :
en
- GB579073A - Improvements in or relating to attenuators for electric waves of very short length :
en
- FR911880A - Process for preparing pebbles or similar stones in order to enable them to receive painted views or images :
en
fr
- FR911888A - Gas night light :
en
fr
- GB579128A - Improvements in or relating to high frequency transmission lines or cables and connectors therefor :
en
- US2404647A - Heating apparatus :
en
- FR911823A - Cross slide for machine tools :
en
fr
- CA435892A - Jar closure :
en
fr
- GB579075A - Improvements in and relating to colour cinematography :
en
- US2404411A - Chlorinated maleic anhydride adducts :
en
- US2404676A - Heating apparatus :
en
- AU520646A - Improvements in or relating to television systems :
en
- FR911992A - Warning relay :
en
fr
- FR911987A - Method for regulating a gas turbine driven by the exhaust gases of a combustion engine machine :
en
fr
- GB579100A - Improvements in or relating to electrical wiring systems :
en
- FR911999A - Inner tube for cycles and motorcycles :
en
fr
- FR911821A - Lighter :
en
fr
- GB579138A - Improvements in and relating to the manufacture of xanthopterin and related compounds :
en
- FR911953A - Improvements to insulators used in particular for electric power transmission cables, electric capacitors and other similar electric devices :
en
fr
- US2404701A - Liquid treatment :
en
- US2404620A - Control of flash welding :
en
- GB579039A - Imrpovements in shutters for signalling and like lamps :
en
- FR911919A - Improvements to absorption refrigeration units operating with inert gas :
en
fr
- US2404348A - Internal-combustion engine piston :
en
- GB579071A - Refrigerator :
en
- FR911839A - Anchoring device for prestressed reinforcing wires of concrete bodies :
en
fr
- FR911974A - Device for adjusting frequency deviations in high frequency transceiver stations :
en
fr
- FR912025A - Improvements to portable electric lights :
en
fr
- FR911966A - Advanced training in fishing probes :
en
fr
- US2404404A - High-frequency apparatus :
en
- US2404712A - Gain control circuit for radiotelegraph :
en
- GB579127A - Improvements in and relating to wheels or to the tyres or treads of the wheels of power driven vehicles :
en
- US2404389A - Wheel structure :
en
- FR911944A - Device for weighing and determining the volume of bulk material :
en
fr
- FR912033A - Advanced process for making diamond dies for wire drawing :
en
fr
- USD145255S - Design fob a compact :
en
- USD145270S - Design for a pin clip or similar
article :
en
- FR911866A - Perforated bottom for pneumatic coal cleaning table and the like :
en
fr
- FR912019A - Waterproof watch box :
en
fr
- FR911826A - Small synchronous motor with automatic start :
en
fr
- US2404533A - Sack lifter :
en
- FR912008A - guide label for suspension files in filing cabinets or other office furniture :
en
fr
- FR911869A - Tire assembly and disassembly device :
en
fr
- US2404413A - Electrical gaseous discharge device :
en
- GB579069A - Apparatus for the production of artificial filaments :
en
- US2404414A - Method and apparatus for removal of heavy objectionable material from cereals, legumes, and other food products :
en
- FR911899A - Construction game :
en
fr
- FR911965A - Improvements to water closet seats :
en
fr
- FR911890A - Multi-piece crankshaft :
en
fr
- US2404366A - Masking attachment for photographic cameras :
en
- US2404665A - Methods of hardening and tanning of artificial fibers made of protein :
en
- US2404589A - Muffler for marine power plants :
en
- US2404763A - Flavoring materials for gelatins :
en
- FR912004A - Manufacturing process of artificial textiles :
en
fr
- US2404727A - Dissolving of polymers :
en
- US2404749A - Weaver's shuttle :
en
- US2404764A - Sound receiver :
en
- US2404525A - Micrometer lapping fixture :
en
- US2404429A - Railway journal box :
en
- US2404483A - Production of motor-fuel hydrocarbons :
en
- US2404555A - Bolt-action firearm :
en
- FR911988A - Blade lifting device closed on itself for loom :
en
fr
- GB579209A - Improvements in garden cloches :
en
- GB579162A - Improvements relating to the production of flexible films, filaments and the like :
en
- GR10777B - AUTOMATIC SPINNER FOR COTTON AND SILK THREAD. :
el
en
- GR10780B - SPECIAL HEAT PRODUCTION INSTRUMENT FOR THE FREE CIRCULATION OF STEAM IN THE COMPOUND FIRE EXTINGUISHERS WITH SEPARATE GAS AND WITH USE GAS. :
el
en
- US2404473A - Cushioned clip :
en
- US2404690A - Shaft seal :
en
- US2404435A - Cigarette lighter :
en
- US2404467A - Internal-combustion engine :
en
- CA435889A - Coal cellar and bin bridge :
en
fr
- CA435891A - Electric chime winding clock :
en
fr
- FR911927A - Lady's bag scout device :
en
fr
- US2404379A - Sight director :
en
- FR911873A - Independent auxiliary high-lift system for vertical aircraft take-off :
en
fr
- FR911997A - Electric iron, with folding handle :
en
fr
- US2404514A - Valve device :
en
- USRE22773E - Corset :
en
- GB579089A - Improvements in or relating to a method for ageing solutions of colloidal material from which artificial filaments and like materials may be spun and apparatus therefor :
en
- FR911962A - Automotive suspension :
en
fr
- FR911954A - Woman's orthopedic shoe model without visible heel :
en
fr
- CA435936A - Polycarboxylic acid :
en
fr
- FR912039A - Improvements to razor blade sharpening devices :
en
fr
- US2404560A - Sulphones and method of preparing same :
en
- US2404381A - Arresting hook :
en
- US2404418A - Noncombustible fuel tank :
en
- US2404534A - Tire rack :
en
- US2404537A - Treatment of hydrocarbons :
en
- US2404368A - Winch :
en
- US2404674A - Regulator :
en
- FR911842A - Method and device for controlling air conditioning :
en
fr
- GB579225A - Improvements in power transmission gearing between railway axles and auxiliary apparatus :
en
- CA436015A - Fuselage for aircraft :
en
fr
- US2404564A - Electric swivel connector :
en
- US2404705A - Combination heater and refuse burner :
en
- US2404392A - Synthetic rubber and process of its manufacture :
en
- AU1434744A - Improvements in or relating tothe manufacture of compact combustible explosive charges :
en
- AU121715B2 - Improvements in writing instruments :
en
- US2404396A - Method of constructing walls :
en
- US2404399A - Adjustable transmission line :
en
- US2404500A - Trimming mechanism :
en
- US2404755A - Textile comb-needle assembly :
en
- US2404373A - Commodity elevating and sampling apparatus :
en
- US2404536A - Alkylation of hydrocarbons :
en
- US2404669A - Converter :
en
- FR912043A - New electrodes for electric discharge tubes :
en
fr
- BE462685A - :
en
- GB579036A - Improvements in and relating to range-finders :
en
- CA435961A - Water-soluble, surface active condensation product :
en
fr
- US2404353A - Removable coating composition :
en
- US2404422A - Transparent plastic material :
en
- CA435912A - Flexible coated sheet material :
en
fr
- AU533146A - Oil filtration method and apparatus for engine oil :
en
- DK64646C - Barrier layer cell and method of its manufacture. :
da
en
- US2404600A - Machine for cutting blooms and the like :
en
- AU121749B2 - Spring grip for holding articles upon aline and for analogous purposes :
en
- AU1321444A - Improvements in or relating to pressing irons :
en
- US2404480A - Article-positioning mechanism :
en
- AU1433944A - Improvements in connection with firearms :
en
- GB579134A - Improvements in the dyeing of textile materials :
en
- US2404397A - Pressure actuated brake mechanism :
en
- GB579055A - Improvements in or relating to mechanism for feeding sheet metal strip :
en
- US2404459A - Turret mounting :
en
- FR911877A - Semaphore to transmit and receive signals remotely :
en
fr
- AU133059B2 - Television transmitting tubes :
en
- US2404499A - Isomerization of hydrocarbons :
en
- CA435979A - Web material coating apparatus :
en
fr
- CA435913A - Centrifugal separator :
en
fr
- CA435998A - Ore treatment :
en
fr
- AU1231343A - An improved foot arch support and method of manufacturing thesame :
en
- US2404625A - Bottle carrier :
en
- US2404732A - Drying apparatus :
en
- FR911810A - Cruise control stability cam :
en
fr
- FR911885A - Supports allowing the slow combustion, flat, of pharmaceutical products, mosquito repellent, hygienic :
en
fr
- US2404584A - Bending modulus test apparatus :
en
- US2404545A - Control apparatus :
en
- CA436017A - Dispensing device :
en
fr
- US2404502A - Valved pump piston assembly :
en
- GB579221A - Improvements in or relating to rail spike :
en
- US2404358A - Vacuum cleaning system :
en
- FR911950A - Closing device, in particular for piston pumps :
en
fr
- US2404367A - Water purification :
en
- USD145278S - Design fob a side marker lamp :
en
- US2404730A - Soldering apparatus :
en
- US2404363A - Electron discharge device :
en
- GB579227A - Improvements in or relating to heating appliances :
en
- CA435918A - Fruit flavoured food :
en
fr
- CA435886A - Brake for cycles, motorcycles, etc. :
en
fr
- CA435909A - Filter funnel :
en
fr
- CA14765S - Earing :
en
- CA435959A - Vinyl trimethylacetate :
en
fr
- AU121742B2 - Improvements in or relating to pressing irons :
en
- AU440346A - Improvement in battery charging system :
en
- AU129095B2 - Improvements in or relating to internal combustion engine powerplants :
en
- GB579220A - Improvements in and relating to chucks :
en
- AU134153B2 - Improvements relating to pulse modulated transmission systems :
en
- US2404585A - Latex activator :
en
- GB579222A - Dry shaving devices :
en
- GB579185A - Improvements in cellular products :
en
- CA435980A - Desuperheater :
en
fr
- US2404428A - Turbine apparatus :
en
- USD145251S - Design for a brooch or similar
article :
en
- US2404498A - Production of toluene :
en
- US2404739A - Calculating machine :
en
- AU131666B2 - Improvement in radiofrequency inductor and tuner :
en
- US2404552A - Position control for hydraulic actuators :
en
- AU1466244A - Pump and control means therefor :
en
- GB579160A - Improvements in or relating to processes for the purification of magnesium chloride :
en
- US2404441A - Method of rendering bombs inactive :
en
- GB579184A - Thermoplastic moulding compositions containing ethyl cellulose :
en
- US2404575A - Method of manufacturing finned tubes with support engaging bearing portions :
en
- US2404451A - Lady's slip :
en
- US2404649A - Isomerizing hydrocarbons :
en
- FR911808A - X-ray diaphragm enhancements designed to stop secondary radiation :
en
fr
- GB579072A - Improvements in visual indicators for distinguishing between two signals of rectangular wave form particularly for radio blind approach systems :
en
- AU33946A - Improvements in thread rolling machines :
en
- AU131456B2 - Air cleaners :
en
- AU1282044A - Modulating systems :
en
- US2404349A - Valve :
en
- US2404457A - Decorticating machine :
en
- US2404714A - Polymer products :
en
- CA435971A - Dashpot :
en
fr
- US2404403A - Radio mounting structure :
en
- USD145269S - Design for a brooch or similar
article :
en
- US2404387A - Electrical computing system :
en
- US2404648A - Article feeding device :
en
- US2404660A - Air compressor :
en
- CA435904A - Brickwork structure :
en
fr
- CA435984A - Photographic emulsion layer :
en
fr
- US2404753A - Emergency lamp :
en
- US2404733A - Smoker's pipe :
en
- CA435995A - Incubator temperature controlling device :
en
fr
- US2404736A - Electrically heated cover :
en
- FR911881A - Procedures for marking initials, first names or names on glasses :
en
fr
- FR911870A - Device for fixing windows and doors in all positions :
en
fr
- FR911858A - Mobile seat bench with automatic locking or unlocking of the pool access cabin doors or other installations :
en
fr
- CA435901A - Tuning head for stringed instruments :
en
fr
- GB579143A - Improvements in or relating to floodlight lamps and the like :
en
- US2404515A - Hydraulic flywheel :
en
- GB579120A - Means for reducing the axial vibration of the crankshaft of a reciprocating internal combustion marine engine power plant :
en
- CA435897A - Earth drill :
en
fr
- AU121757B2 - Pump and control means therefor :
en
- US2404398A - Treatment of winery slops :
en
- USD145279S - Design for a corner marker light :
en
- AU121737B2 - Improvements inthe filtering of oil :
en
- GB579172A - Improvements in or relating to disk brakes :
en
- US2404433A - Facing and boring device :
en
- US2404419A - Engine starting apparatus :
en
- US2404579A - Tire construction :
en
- FR912010A - Device for adjusting the relative positions of two variable levels :
en
fr
- US2404474A - Apparatus for measuring carbonaceous deposits :
en
- GB579054A - Measuring tapes :
en
- US2404699A - Bottle carrier :
en
- GB579182A - Improvements in or relating to combined washing and centrifugal drying machines :
en
- GB579199A - Improvements in or relating to volatile deodorising or disinfecting blocks :
en
- FR911933A - Route indicator :
en
fr
- FR911868A - Rotary toothbrush :
en
fr
- GB579151A - Improvements relating to the destruction of mines at sea :
en
- GB579214A - Braking device :
en
- FR912014A - Electric storage heater :
en
fr
- FR911803A - Apparatus for the manufacture of extracts of coffee, tea, etc. :
en
fr
- FR911902A - Connection of electrodes of electrically heated glass furnaces to phases of polyphase systems :
en
fr
- FR912031A - gas heater with tubular elements arranged in a combustion chamber :
en
fr
- US2404704A - Compartmented fiberboard egg case :
en
- USD145261S - Design for a brooch or similar
article :
en
- US2404476A - Electric lamp :
en
- US2404626A - Noise limiting circuit :
en
- US2404547A - Hydraulic pump :
en
- US2404548A - Mixing chamber :
en
- FR911949A - Differential protection device for stud transformers :
en
fr
- GB579116A - Improvements in and relating to a method for saccharifying cellulosic materials by means of diluted mineral acids :
en
- GB579176A - Improvements in or relating to chain connectors :
en
- FR911991A - Molded articles based on synthetic resin and process for the manufacture of such articles :
en
fr
- FR912044A - Improvements to enclosures for lighting apparatus by electric discharges in rare gases or metallic vapors :
en
fr
- GB579179A - Esters of pentaerythritol acetals and ketols :
en
- GB579212A - Improvements in the manufacture of dart or other boards for the penetration thereof by pointed articles :
en
- FR911998A - Loose-leaf binding :
en
fr
- FI21421A - Kontatkbank för väljare :
en
fi
- GB579165A - Improvements relating to the protection of magnesium and magnesium-rich alloys against corrosion :
en
- GB579216A - Improvements in or relating to instruments for determining the speed of or distance travelled by an aircraft or other navigable craft :
en
- US2404543A - Internal-combustion engine :
en
- CA436024A - Circuit arrangement negative feed-back :
en
fr
- FR911926A - Remote transmission device :
en
fr
- US2404540A - Cutter chain :
en
- US2404409A - Container :
en
- FR911834A - Electric articulated and orientable lamp for multiple needs :
en
fr
- US2404401A - Signal receiving and translating apparatus :
en
- CA435945A - Ester :
en
fr
- US2404452A - Production of aviation gasoline :
en
- US2404466A - Telephone or like system :
en
- US2404556A - Underwater inspection and photographing device :
en
- USD145259S - Brooch or similar article :
en
- FR912022A - Viscous protein solutions :
en
fr
- GB579034A - Improvements in and relating to signalling apparatus :
en
- FR911914A - Automatic chock for vehicles :
en
fr
- GB579177A - Improvements in lightning arresters :
en
- US2404706A - Fluorination :
en
- FR912006A - Transmission Mechanism :
en
fr
- FR911898A - Economy cart :
en
fr
- FR912032A - Device for lubricating bearings :
en
fr
- GB579119A - Improvements in or relating to the production of moulded articles of expanded rubber and like thermo-hardening materials :
en
- US2404673A - Cargo carrier :
en
- US2404369A - Indexing mechanism :
en
- FR911851A - Method and installation for heating textile fibers during drawing :
en
fr
- FI21422A - Handgun riflescope :
en
fi
- FR911891A - Two-stroke, high-speed, compression-ignition engine enhancements :
en
fr
- FR912005A - Feminine clothing effect :
en
fr
- GB579197A - Improvements in and relating to synthetic resinous condensation products :
en
- FR911889A - Method of conditioning various substances for ingestion :
en
fr
- FR912007A - Foundry parts and their manufacturing process :
en
fr
- CA436016A - Aircraft structure :
en
fr
- US2404687A - Insect electrocutor :
en
- US2404608A - Process of utilizing acid sludge :
en
- GB579057A - Improvements in or relating to propellant compositions suitable for projectiles of the reaction-impulse type :
en
- AU520746A - Improvements in or relating to electrical discharge devices andin holders or sockets therefor :
en
- FR911867A - Full-leaf building hinge :
en
fr
- GB579076A - An improved method of machining metals and other materials :
en
- FR911895A - Air switch for high currents with pressure rolling contacts :
en
fr
- FR912024A - Method and apparatus for knitting hosiery articles :
en
fr
- GB579107A - Improvements in or relating to the formation of seams in sheet material :
en
- FR911900A - Two-stroke internal combustion engine :
en
fr
- US2404754A - Tone frequency signal repeater :
en
- GB579050A - Improvements in and relating to control systems for power driven apparatus :
en
- GB579161A - Improvements relating to elastic fluid turbines :
en
- CA435919A - Gas blast circuit breaker :
en
fr
- CA435963A - Artificial filament taper grinding apparatus :
en
fr
- USD145274S - Lamp shade with luminous figures :
en
- FR912026A - Improvements in the construction of concrete walls, beams, etc. :
en
fr
- FR912000A - Game :
en
fr
- FR911917A - Nutcracker :
en
fr
- US2404731A - Making insoles :
en
- GB579051A - Improvements in or relating to drawing dies :
en
- FR911980A - Method for obtaining valve guides :
en
fr
- FR911829A - Windows and French doors :
en
fr
- FR911802A - Manufacturing process of chloracolein :
en
fr
- GB579141A - Improved apparatus for cleaning heat exchangers :
en
- AU121756B2 - Improvements in connection with firearms :
en
- GB579158A - Improvements in or relating to projectors for explosive or other projectiles :
en
- US2404371A - Fluid turbine :
en
- GB579211A - Improvements in and relating to instruments for the measurement of current impulses :
en
- AU133780B2 - Improved manufacture of articles coated with organosilicon compositions :
en
- US2404663A - Adjustable mounting for liquid fuel burners :
en
- US2404745A - Ultra high frequency electron discharge device system :
en
- USD145253S - Design for a brooch ok similar
article :
en
- US2404531A - Conduit supporting block :
en
- GB579104A - Improvements in machines for making and filling packages :
en
- GB579183A - Improvements in the manufacture of hollow filaments :
en
- US2404415A - Overload safety switch for elevators :
en
- US2404444A - Isomerization process using metal halide complexes :
en
- US2404664A - Pressure sealing means :
en
- US2404561A - Adapter with swivel joint :
en
- FR912042A - New control device for variable light signs capable of translational movements :
en
fr
- AU121758B2 - Improvements in shuttles and bobbins for loom :
en
- CA436001A - Continuous strip pickling :
en
fr
- US2404535A - Bearing mounting for earthworking roller units :
en
- FR911940A - Advanced stream :
en
fr
- FR911857A - Method of direct application to sheet metal with white or colored enamel :
en
fr
- GB579226A - Improvements in or relating to flexible couplings :
en
- CA14772S - Combined fruit display and container unit :
en
- CA435951A - Sterol derivative :
en
fr
- US2404370A - Flower and plant container :
en
- US2404697A - Calculating device :
en
- AU121716B2 - Improvements in or relating to gauging device :
en
- US2404591A - Preparation of aromatic hydrocarbons from hydrocarbon mixtures :
en
- US2404582A - Apparatus for making sheet material :
en
- US2404717A - Preparation of solutions :
en
- CA435950A - Preparation of 7-dehydro sterols :
en
fr
- AU133104B2 - The production of unsaturated tetraesters andthe polymerisation thereof :
en
- CA435931A - Vibrator mounting means :
en
fr
- US2404469A - Electromagnetic relay :
en
- US2404463A - Aqueous emulsion paint :
en
- AU59146A - Automatic limiter system :
en
- GB579088A - Improvements in or relating to electric induction apparatus :
en
- CA435987A - Automatic check and draft control for stoves :
en
fr
- US2404569A - Regenerative detonation detector :
en
- US2404616A - Piston ring :
en
- AU121735B2 - Method of treating cereal grain :
en
- US2404439A - Driving and control mechanism :
en
- US2404666A - Shock absorbing device :
en
- CA435929A - Internal combustion engine :
en
fr
- GB579223A - Improvements in or relating to chaplets and like devices for positioning reinforcements in concrete :
en
- US2404430A - Hanging support for fountain syringes :
en
- CA435966A - Electrically insulating filling composition :
en
fr
- US2404434A - Apparatus for packing explosive in cartridges :
en
- US2404723A - Preparation of polymer solutions :
en
- US2404708A - Sampling device :
en
- US2404694A - Particle apportioning devie :
en
- FR911901A - lock nut and similar internally threaded member :
en
fr
- AU121730B2 - Improvements in or relating tothe manufacture of compact combustible explosive charges :
en
- FR911951A - Refrigerator device operating by absorption and with the aid of an inert gas :
en
fr
- US2404744A - Animal trap :
en
- USD145275S - Design foe a bottle :
en
- FR912016A - Squirrel cage winding for asynchronous motors :
en
fr
- US2404645A - Carburetor :
en
- US2404709A - Calculating instrument :
en
- GB579035A - Improvements relating to the hull of fast stepless planing type boats :
en
- GB579157A - Improvements in or relating to electrically-operated remote-control or indicating apparatus :
en
- USD145244S - Design fob an illuminating support
for hand-held lecture papers or
similar article :
en
- US2404661A - Manufacture of motor fuel :
en
- US2404619A - Loading machine :
en
- CA435990A - Thresher screen adjustment device :
en
fr
- GB579077A - Improvements in air discharging devices with rotary outlets :
en
- US2404364A - Apparatus for recovering metals :
en
- US2404609A - Centrifugal compressor :
en
- US2404346A - Glove turning apparatus :
en
- FR911892A - Improvements to gas flow adjustment devices in town gas and butane gas household appliances :
en
fr
- USD145256S - Design for a clothesline clamp :
en
- GB579192A - Improvements in or relating to electro-magnetic couplings for transmitting mechanical power :
en
- FR911989A - Device for coupling cultivation machinery to a tractor :
en
fr
- GB579213A - An improved vulcanising process and apparatus for applying patches to firehose :
en
- CA435880A - Basket carrying cart :
en
fr
- FR911815A - Process for manufacturing catalytic organic fertilizers based on slush, and resulting fertilizers :
en
fr
- DK64641C - Procedure for fastening a base in a thin-walled pipe section, in particular in the manufacture of tubes. :
da
en
- USD145249S - Design fob a dress :
en
- GB579129A - Improvements relating to the stopping or sealing of gas mains :
en
- FR911995A - Fuel for internal combustion engines :
en
fr
- US2404758A - Laminated porous elastic fabric :
en
- AU137535B2 - Plasticised ethyl cellulose and methods of making thesame :
en
- GB579079A - Means for contracting or expanding annular members particularly applicable to pipe unions :
en
- FR911972A - Improvements made to temporary supports for the casting of concrete parts such as floors and others :
en
fr
- GB579121A - Improvements in or relating to magneto-strictive transmitter arrangements for echo sounding and sub-aqueous signalling :
en
- USD145266S - Pin clip or similar article :
en
- FR911918A - Process for the preparation of novel mercury compounds and their use as bactericidal, fungicidal and insecticidal agents :
en
fr
- GB579068A - Improvements in or relating to shearing and cutting-off dies and holders therefor :
en
- US2404681A - Lifesaving device :
en
- AU121718B2 - An improved foot arch support and method of manufacturing thesame :
en
- FR911887A - Improvements to merry-go-round games :
en
fr
- US2404682A - Plug and socket connector :
en
- US2404530A - Telescoping flue :
en
- US2404488A - Amphibian propulsion mechanism :
en
- US2404641A - Control system :
en
- US2404718A - Dissolving of polymers :
en
- CA435883A - Oxy-acetylene cutting apparatus :
en
fr
- FR911896A - Method and device for moistening lithographic printing surfaces :
en
fr
- GB579188A - Improvements in or relating to moulded wheels of rubber or other resilient plastic composition :
en
- FR911825A - Improved wheel for railroad cars, streetcars and more :
en
fr
- USD145247S - Design fob a dress :
en
- US2404586A - Method of making footwear :
en
- USD145264S - Design fob, an earring or similar
article :
en
- US2404570A - Structural grating :
en
- GB579114A - Improved method of and apparatus for the sealing-off of gas-filled glass containers :
en
- FR911993A - Railway brake :
en
fr
- US2404617A - Heating apparatus :
en
- US2404710A - Permanent magnet structure :
en
- AU1130343A - Treatment of synthetic yarn :
en
- US2404741A - Bottle closure :
en
- US2404508A - Last :
en
- USD145273S - Design for a pin clip or similar
article :
en
- GB579135A - Improvements in or relating to thrashing machines :
en
- GB579168A - Improvements in or relating to means for silencing firearms :
en
- US2404395A - Apparatus for converting heat energy into useful work :
en
- GB579205A - Improvements in or relating to armour-piercing projectiles :
en
- FR911820A - red stick case :
en
fr
- FR911942A - Improvements to filter presses :
en
fr
- US2404522A - Pitch control means for sustaining rotors :
en
- US2404728A - Method of preparing polymeric solutions :
en
- GB579210A - Improvements in adjustable spanners :
en
- GB579092A - Improvements relating to curtain rail brackets :
en
- AU121732B2 - Improved adhesive composition :
en
- US2404742A - Manufacture of large permeable packages of rayon :
en
- CA435973A - Ply-wood panel :
en
fr
- BE466794A - :
en
- AU519546A - Hem markers :
en
- CA435944A - Ester :
en
fr
- US2404393A - Alkylation of paraffin hydrocarbons :
en
- AU1355544A - Improvements in or relating to fluxes for use inthe treatment of light metals :
en
- US2404703A - Variable pitch air propeller :
en
- CA435943A - Polyamide fabric finishing process :
en
fr
- US2404425A - Process for production of alkyl mercaptans :
en
- US2404696A - Communication and recognition system :
en
- USD145246S - Design for a nabrow woven fabric :
en
- CA435996A - Cellulosic textile material bleaching process :
en
fr
- CA14766S - Pin and earring set :
en
- AU454946A - Improvements in or relating to colour cinematography :
en
- US2404354A - Secret signaling system :
en
- US2404675A - Safety guard :
en
- FR912018A - Aluminum alloy :
en
fr
- GB579200A - Improvements in or relating to electrical toasting apparatus :
en
- FR911945A - Stopper frame for ski pole :
en
fr
- US2404407A - Electric fuse connection plug :
en
- FR911828A - Grates for fuels and appliances fitted with these grids :
en
fr
- GB579133A - Cushion-bonding strip for electric conduit supports :
en
- US2404492A - Amphibian :
en
- US2404765A - Self-locking vent system :
en
- CA435917A - Internal combustion engine :
en
fr
- FR911871A - High frequency power supply to multiple loads :
en
fr
- GB579140A - Improvements in or relating to gas turbines :
en
- AU532046A - Improvements in or relating to means for plotting transition curves cams andthe like :
en
- FR911978A - liners for internal combustion engine cylinders and piston rings :
en
fr
- FR911979A - Assembly process for shoes of all kinds :
en
fr
- GB579207A - Improvements in or relating to tables with clamping devices :
en
- GB579123A - Improvements in or relating to electric detonators and primers :
en
- FR911994A - Switching device for paralleling :
en
fr
- FR912009A - Nut and screw connection :
en
fr
- US2404553A - Electric fuse and setting apparatus :
en
- US2404512A - Control apparatus :
en
- USD145257S - Design for a picture frame :
en
- FI21420A - Förfaringssätt framställning av aluminiumsulfat ur aluminiummalmer :
en
fi
- GB579115A - Improvements in or relating to apparatus for timing impulses :
en
- DK64648C - Device for fish processing machines for setting the fish in relation to the processing means. :
da
en
- FR912036A - Tire deflation control and safety device :
en
fr
- CA14756S - Finger ring :
en
- US2404722A - Acrylonitrile polymer solutions :
en
- US2404478A - Self-cleaning and lubricating valve tappet :
en
- US2404493A - Amphibian :
en
- GB579228A - Improvements in or relating to door or gate-operative mechanisms :
en
- FR911833A - Paddle or other oar :
en
fr
- FR911930A - extendable and adjustable metal prop :
en
fr
- GB579136A - Improvements in or relating to navigation instruments :
en
- GB579126A - Improvements in or relating to electric signal transmission systems :
en
- US2404740A - Treatment of organic solutions of formaldehyde-urea reaction products :
en
- FR911876A - Waterproof seal ring :
en
fr
- US2404599A - Synthesis of paraffinic hydrocarbons by reacting an alkyl aluminum halide with an aliphatic halide :
en
- US2404598A - Method of making abrasive articles :
en
- FR911937A - Improvement in the charging devices of power supply batteries for servitudes on electric vehicles with accumulators :
en
fr
- US2404678A - Impeller :
en
- US2404362A - Trailer hitch :
en
- US2404445A - Crystal :
en
- US2404752A - Engine :
en
- FR911843A - anchor nut :
en
fr
- FR911853A - Improvements to guide flanges for wheels of vehicles on rails fitted with pneumatic tires :
en
fr
- FR911904A - Electric resistance heating installation :
en
fr
- CA435903A - Insulin preparation :
en
fr
- US2404527A - Electric distance meter :
en
- AU137311B2 - Improvements in or relating to electrical discharge devices andin holders or sockets therefor :
en
- US2404405A - Method for removing impurities from mineral oils :
en
- US2404554A - Railway car door and post structure :
en
- US2404643A - Electronic electroresponsive apparatus :
en
- USD145276S - Design for a vacuum cleaner casing :
en
- AU121748B2 - Improved handsawing apparatus :
en
- CA14752S - Baby's chair :
en
- US2404630A - Extrusion machine :
en
- FR911812A - Bolts with locknuts. pressure locking :
en
fr
- GB579091A - Improvement in electrostatic condenser and dielectric therefor :
en
- US2404456A - Alignment tool :
en
- US2404489A - Amphibian :
en
- US2404618A - Fat-soluble vitamin fractionation :
en
- AU140464B2 - Improvements in or relating to high frequency heating apparatus :
en
- CA435896A - Wood treating process :
en
fr
- AU137623B2 - Improvements relating tothe preparation of substituted pteridines :
en
- US2404378A - Antifriction worm drive :
en
- CA435893A - Agricultural vehicle :
en
fr
- US2404567A - Partitioned inflatable suit :
en
- US2404481A - Lathing material :
en
- FR912021A - Improvements to copper-based alloys :
en
fr
- GB579060A - Method of separating ingots in a continuous casting process :
en
- USD145272S - Design for a brooch or similar
article :
en
- AU135730B2 - Multiple reaction circuit amplifier :
en
- US2404546A - Method of making shoes :
en
- US2404587A - Footwear :
en
- US2404438A - Process for the manufacture of olefin oxides :
en
- GB579180A - Improvements in or relating to glazing bars :
en
- CA436025A - Pyrophoric lighter :
en
fr
- FR911975A - Removable lamp, in particular very high vacuum emission lamp :
en
fr
- DK64645C - Pulse transmitter for electric fences with one of the capacitors' charging current controlled, electromagnetic relay. :
da
en
- DK64653C - Device for Direction Indicators for Bicycles and Motorcycles. :
da
en
- GB579187A - A new or improved method of, and apparatus for, preventing outward heat flow through an opening of a doorless oven :
en
- FR53736E - Protective cap for elbow tubes :
en
fr
- GB579078A - Improvement in adjusting screw :
en
- FR911813A - Improvements to devices used to transmit, inside or to the contents of a container, the calories emitted by a hot source consisting in particular of a heating plate :
en
fr
- FR912003A - Filter for gasifiers :
en
fr
- FR911943A - Washer for ski poles :
en
fr
- USD145254S - Design fok a handbag :
en
- AU130994B2 - An improved valve arrangement for internal combustion engines :
en
- CA435894A - Bond tightener and sealer :
en
fr
- FR911841A - Caliber for checking bores :
en
fr
- FR911971A - Improvements to hand operated switches featuring rotary control cams :
en
fr
- GB579074A - Improvements in or relating to the application of liquid to filamentary material :
en
- US2404747A - Fluid operated motor :
en
- FR911906A - Retainer for badges, brooches, ornaments, decorative ribbon bars, etc. :
en
fr
- CA435938A - Textile treatment :
en
fr
- AU500746A - Jewel bearings :
en
- US2404601A - Microbalance :
en
- FR911977A - Manual skill game :
en
fr
- US2404431A - Water repellent coating material :
en
- GR10779B - STEEL CRUDE OIL BURNER POSSIBLE INSTALLATION AND OPERATION IN ANY FOCUS MADE FOR COAL FUEL. :
el
en
- US2404576A - Prevention of formation of colors in thiocyanates :
en
- US2404735A - Flashlight construction :
en
- FR911809A - Method of construction of load-bearing walls and construction elements allowing it to be implemented :
en
fr
- FR911847A - Device for lubricating the prismatic guides of machine tool carriages controlled by racks :
en
fr
- FR911983A - Stretch buckle for belts :
en
fr
- GB579033A - Improvements in or relating to boats provided with mine-sweeping gear :
en
- US2404529A - Valve :
en
- GB579038A - Improvements in and relating to electric lamp signalling apparatus :
en
- US2404724A - Preparing solutions of polymers :
en
- CA436005A - Multiplex telephone system :
en
fr
- FR911936A - Footwear making improvements :
en
fr
- US2404624A - Voltage regulator for electron discharge devices :
en
- CA436008A - Stainless steel treatment :
en
fr
- US2404416A - Process for preparing 4-substituted thiazoles :
en
- CA14757S - Finger ring :
en
- US2404356A - Secret signaling system :
en
- AU121726B2 - Improvements in or relating tothe timing of combustion engine distributors :
en
- US2404559A - Plastic slug forming and feeding mechanism :
en
- GB579066A - Improvements relating to metal laths for supporting fibre, plaster and like boards :
en
- DK64644C - Oil filter. :
da
en
- FR911804A - Deodorant or disinfectant volatile block :
en
fr
- FR911836A - Therapeutic belt :
en
fr
- GB579096A - Improvements in or relating to waterproof plastic compositions :
en
- CA435898A - Earth drill lead :
en
fr
- CA435934A - Ester :
en
fr
- US2404448A - Matrix for making light transmitting screens :
en
- AU121744B2 - Improvements in or relating to welding rods :
en
- AU134936B2 - Directive antenna systems :
en
- GB579166A - Improvements in or relating to ordnance :
en
- US2404659A - Parachute :
en
- FR911817A - Process for the protection of molding shells and new industrial products resulting :
en
fr
- FR911860A - Board game :
en
fr
- GB579048A - Method and apparatus for fabricating objects from plywood and products thereof :
en
- AU525546A - Improvements in or relating to internal combustion engine powerplants :
en
- CA435974A - Moulding composition :
en
fr
- US2404677A - Fractional distillation :
en
- CA435900A - Brake operating mechanism :
en
fr
- CA435908A - Prefabricated building :
en
fr
- AU130151B2 - Synthetic rubber :
en
- US2404380A - Vertical mixer :
en
- US2404443A - Skid brake :
en
- US2404501A - Radio beacon system :
en
- AU206346A - Soil fertilizing apparatus :
en
- US2404653A - Electric target game :
en
- GB579064A - Improvements in or relating to the manufacture of wet-spun artificial threads or yarns :
en
- US2404468A - Filter for gases under pressure :
en
- FR911854A - Protective plate for central heating radiator :
en
fr
- FR911875A - Process for manufacturing electrical contact sockets and products conforming to those obtained by this process :
en
fr
- CA435933A - Electric induction apparatus :
en
fr
- CA436003A - Antimony recovery :
en
fr
- CA435999A - Tube making method :
en
fr
- DK64650C - Foldable Plan for Maps, Choir Plans, Puzzles and Sticking Pictures. :
da
en
- CA435981A - Tire building machine :
en
fr
- DK64642C - Method for Making the Patterned Textile Material from Cellulose. :
da
en
- FR911907A - Improvements to panel elements for the construction of walls, and walls incorporating such elements :
en
fr
- GB579219A - Improvements relating to portable platforms :
en
- AU526446A - Improvements in or relating to high frequency heating apparatus :
en
- AU129013B2 - Improvements in or relating to typographical element or matrix :
en
- GB579099A - Improvements relating to washers :
en
- FR911846A - Precise guiding device for sliding cylindrical column of machine tool :
en
fr
- US2404383A - Guide wheel arrangement :
en
- US2404578A - Multiple chamber fluid container :
en
- FR911963A - Improvements to devices for water chlorination :
en
fr
- GB579229A - Cage in two parts for ball or roller bearings :
en
- GB579097A - Centrifugal casting :
en
- USD145267S - Design fob a pin cup or similar
article :
en
- GB579139A - Improvements in ceramic pigments :
en
- CA435882A - Die and punch unit :
en
fr
- GB579122A - Improvements in or relating to the transmission of mechanical waves or vibrations for signalling purposes :
en
- FR911981A - Method for obtaining valve guides :
en
fr
- FR911849A - Machine for sharpening tools, especially tungsten carbide ones :
en
fr
- IE17053L - Bile acid derivatives :
en
- FR912017A - Process for regulating the power of thermal installations and installations for the implementation of the process :
en
fr
- FR911835A - Improvement in the assembly of pipelines and in particular flexible rubber hoses or the like :
en
fr
- FR911925A - Device for fixing and driving a dental drill :
en
fr
- GB579175A - Improvements in or relating to adhesive-applying apparatus :
en
- US2404627A - Light amplifying attachment for neon tubes :
en
- FR912048A - Improvements to mercury breakers :
en
fr
- FR911909A - Trésillon-cylinder :
en
fr
- US2404408A - Radio receiving apparatus :
en
- US2404410A - Bottle cap :
en
- CA435924A - Corrosion preventing means for interior surfaces of metal containers :
en
fr
- US2404450A - Washing machine :
en
- US2404565A - Telegraphy :
en
- US2404376A - Monorail trolley :
en
- GB579043A - Improvements in or relating to planetary gearing systems :
en
- CA435969A - Electrical insulation :
en
fr
- FR911939A - Orthopedic gymnastics apparatus :
en
fr
- US2404768A - Alpha-substituted side-chain ketones of the cyclopentanopolyhydrophenanthrene series :
en
- US2404615A - Brake for hydraulic motors :
en
- FR911850A - Device for triggering the reversal of direction of travel of any mechanism :
en
fr
- US2404507A - Stud and bolt-cleaning brush :
en
- US2404629A - Beet loader :
en
- US2404638A - Device for marking fabrics :
en
- FR912013A - Improvements to pocket lighters :
en
fr
- DK64643C - Bind to Binding Booklets. :
da
en
- CA436021A - Textile material :
en
fr
- CA435923A - Magnesium welding rod :
en
fr
- FR912038A - Rolling goat for lifting automobiles :
en
fr
- US2404633A - Switch operating mechanism :
en
- US2404519A - Method of making aqueous dispersions containing polyvinyl acetate and wax :
en
- US2404352A - Thermostatic overload relay :
en
- AU521146A - Improvements in pipe joints and unions :
en
- CA435887A - Motorcycle saddle :
en
fr
- US2404707A - Metal sawing machine :
en
- CA435937A - Textile treatment :
en
fr
- CA436019A - Motion picture projection apparatus :
en
fr
- AU121712B2 - Improvements relating to materials for use informing phosphate coatings on metals :
en
- AU1261344A - Improvements in or connected with pressure cabins for aircraft :
en
- FR911948A - Compressor pressure adjustment :
en
fr
- US2404427A - Expansible jaw screw driver :
en
- US2404725A - Polymer solutions :
en
- US2404421A - Paper feed for towel dispensers :
en
- CA435911A - Resilient puncture-proof wheel :
en
fr
- US2404406A - Process for plasticizing or plasticating plastic materials :
en
- AU1301944A - Improved handsawing apparatus :
en
- US2404386A - Device to aid teaching of automatic radio compass :
en
- GB579195A - Improvements in or relating to arrangements for forming or amplifying electrical pulses having a very steep wavefront :
en
- FR911908A - Improvements to combustion and internal combustion engines :
en
fr
- US2404455A - Control apparatus :
en
- US2404652A - Bounce ball game :
en
- FR911915A - Transformer :
en
fr
- USD145277S - Design for a clearance lamp :
en
- AU134632B2 - Direction finder :
en
- AU6051269A - Process for the production f new benzofurane derivatives :
en
- CA436007A - Synthetic resin adhesive :
en
fr
- AU633642A - Improvements in or relating tothe timing of combustion engine distributors :
en
- AU129567B2 - Improvements in thread rolling machines :
en
- US2404680A - Printing ink :
en
- US2404672A - Vented parachute :
en
- CA435905A - Radio control system and multiple circuit switch :
en
fr
- US2404767A - Jet propulsion plant :
en
- CA436000A - Tail gate :
en
fr
- CA436002A - Grinding machine steadyrest :
en
fr
- CA435975A - Extrusion process :
en
fr
- US2404688A - Readily combustible plastic material :
en
- AU502646A - Television Projection System :
en
- AU521946A - Electron dischrage devices :
en
- GB579102A - Improvements in the catalytic dehydrogenation of hydrocarbons :
en
- GB579224A - Improvements in or relating to chucks :
en
- CA435970A - Porcelain for sealing to metal and glass :
en
fr
- US2404437A - Electrode holder :
en
- US2404574A - Apparatus for catalytic operations :
en
- US2404748A - Thermal power plant :
en
- FR911814A - Subdivision device for heating boiler with economizer element :
en
fr
- GB579186A - Improvements in electric fusion welding :
en
- US2404505A - Baby supporter :
en
- AU121711B2 - Improvements in or connected with pressure cabins for aircraft :
en
- CA435899A - Make-up cape :
en
fr
- CA14758S - Finger ring :
en
- US2404762A - Utilizing maize cane and sorghum cane :
en
- US2404607A - Production of alkylation reagent and alkylation process :
en
- US2404572A - Toy ski jumper :
en
- AU131305B2 - Oil filtration method and apparatus for engine oil :
en
- FR911923A - Shockproof safety for rocket balance with clockwork movement :
en
fr
- US2404605A - Tunnel boring machine :
en
- AU411246A - Aircraft cabin pressure regulator :
en
- US2404683A - Dental device :
en
- AU528646A - Improvements relating to pulse modulated transmission systems :
en
- CA14753S - Typewriting machine :
en
- GB579103A - Improvements in or relating to petrol lighters :
en
- US2404475A - Railway truck spring brake :
en
- US2404693A - Game board :
en
- GB579203A - Differential mechanism :
en
- AU121733B2 - Improvements in chemical closets :
en
- US2404657A - Transmission :
en
- CA435930A - Internal combustion engine :
en
fr
- AU372146A - Improvements relating tothe preparation of substituted pteridines :
en
- CA435921A - Pulp washer :
en
fr
- CA435994A - Accounting machine :
en
fr
- CA435914A - Sausage casing preservation :
en
fr
- GB579082A - Improvements in dry shaving apparatus :
en
- CA435920A - Gas blast circuit breaker :
en
fr
- US2404440A - Torpedo countermining device :
en
- US2404470A - Piston and connecting rod mechanism :
en
- AU1217743A - Improvements in or relating to gauging device :
en
- US2404702A - Fishing reel :
en
- AU121729B2 - Improvements in or relating to fluxes for use inthe treatment of light metals :
en
- US2404423A - Method and apparatus for protecting burners :
en
- FR911947A - Transformer :
en
fr
- GB579101A - Improvements in or relating to torque-transmitting members :
en
- AU1487044A - Improvements relating to materials for use informing phosphate coatings on metals :
en
- AU533246A - Air cleaners :
en
- GB579174A - Improvements relating to thermal electric switches for refrigerator control :
en
- US2404479A - Evaporative cooler :
en
- US2404610A - Oil seal :
en
- US2404614A - Electric control circuit :
en
- US2404454A - Beading projection screens :
en
- CA436013A - Corrosion inhibiting composition :
en
fr
- FR911912A - Improvements to copy holders for typewriters :
en
fr
- US2404644A - Control of electric devices :
en
- FR911824A - Sprayer or portable sprayer :
en
fr
- GB579045A - Improvements in means for controlling hydraulic brake systems for vehicles :
en
- FR911855A - Improvements in wool processing :
en
fr
- GB579178A - Device for producing or reproducing designs, scales or the like :
en
- GB579058A - Improvements in or relating to propellant compositions suitable for projectiles of the reaction-impulse type :
en
- GB579084A - Improvements in and relating to pneumatic tube carriers :
en
- GB579153A - Improvements in or relating to torpedo tubes :
en
- US2404654A - Toll metering system :
en
- US2404462A - Bobbin marking mechanism :
en
- FR911984A - Filing cabinet :
en
fr
- GB579167A - Improvements in or relating to direction-indicating apparatus for facilitating the navigation of craft :
en
- US2404719A - Acrylonitrile polymer solutions :
en
- AU121739B2 - Modulating systems :
en
- AU137053B2 - Television Projection System :
en
- CA435989A - Steel frame thresher screen :
en
fr
- CA435895A - Trailer draft tongue :
en
fr
- USD145243S - Ayres
oil island :
en
- FR911903A - Improvements to liquid circulation systems and their heating device :
en
fr
- US2404622A - Well logging apparatus :
en
- US2404734A - Apparatus for handling recumbent persons :
en
- US2404581A - Resilient wheel :
en
- FR911916A - Headstock bearing, in particular to support drying or calender rolls :
en
fr
- FR911874A - Connection system for heating rod, more particularly for electric ovens :
en
fr
- GB579083A - Improvements in or relating to the manufacture of articles of rubber-like material :
en
- GB579086A - Improvements in or relating to fastening devices :
en
- CA435958A - Animal skin treatment :
en
fr
- GB579171A - Improvements in combinations of electrical frequency selective networks with variable electric oscillators :
en
- US2404377A - Adjustment device :
en
- US2404583A - Tire removing tool :
en
- US2404621A - Grease strainer :
en
- US2404631A - Molding die and means for removing molded articles therefrom :
en
- CA435890A - Reinforced cast structure :
en
fr
- FR911967A - Universal joint :
en
fr
- GB579032A - Improvements in and relating to containers for ammunition shells and the like :
en
- US2404504A - Rotary lawn trimmer :
en
- GB579170A - Improvements in or relating to radio transmitters :
en
- FR911959A - Device for the excitation of synchronous machines :
en
fr
- FI21423A - Bulkmatningsanordning för maskingevär :
en
fi
- GB579149A - Apparatus for the manufacture of non-metallic collapsible tubes :
en
- US2404361A - Rotameter :
en
- USD145262S - Design for an earring or similar
article :
en
- US2404761A - Method of producing bridging matrix for endless sound bands :
en
- CA435932A - Temperature control system :
en
fr
- GB579169A - Manufacture of lactones :
en
- US2404412A - Vacuum cup :
en
- CA436014A - Aircraft pressure-tight cabin :
en
fr
- FR912050A - Conveyor belts :
en
fr
- US2404628A - Polymerization of hydrocarbons :
en
- US2404495A - Handle :
en
- AU121714B2 - Treatment of synthetic yarn :
en
- AU121752B2 - Improvements in or relating to punch presses :
en
- CA435965A - Disconnecting contact :
en
fr
- US2404539A - Adjustable conduit support for bulkheads :
en
- AU510046A - Improvement in radiofrequency inductor and tuner :
en
- AU121719B2 - An improved dog for lifting floors or dismantling other structures :
en
- AU1462144A - Improved method and means for evacuating eggs :
en
- FR911872A - Improvements to metal boxes with hermetic closure by retractable cover :
en
fr