• US2413019A - Stabilizing means for tension elements hanging with sag to sustain loading between supports : en
  • US2413086A - Means for reducing back pressure in silencers : en
  • USRE22825E - Swivel : en
  • CA438793A - Balanced valve assembly : en fr
  • CA438804A - Gun charger : en fr
  • US2413065A - Measuring apparatus : en
  • US2413249A - 1,5-bis-(1-nitro-3,5-dioxacyclohexyl)-2,4 dioxapentane : en
  • US2413148A - Foot actuated switch : en
  • US2413221A - Garment hanger : en
  • US2413238A - Benzol scrubber : en
  • GB583666A - Improvements in continuous smelting furnaces : en
  • FR917094A - Process for obtaining relief photographs on paper and products obtained : en fr
  • FR917162A - Window operating mechanism : en fr
  • GB583651A - Improvements relating to the cups and dips of gasholders : en
  • CA438835A - Electric discharge tube starting and feeding device : en fr
  • FR917152A - Pressurized hot air boiler for mechanical grate or high power oil fired fireplace : en fr
  • US2413239A - Plastic composition of polyvinyl ester and wax : en
  • USPP720P - : en
  • FR917070A - New belt clip : en fr
  • CA438828A - Magazine gramophone : en fr
  • CA438764A - Engine crankcase : en fr
  • CA15056S - Keyless lock (case c) : en
  • US2413186A - Art of mounting crystal detectors : en
  • FR917181A - Dispersive product : en fr
  • US2413117A - Billet nicking machine : en
  • US2413204A - Cooking utensil : en
  • FR917144A - Improvements to automatic machines for metalworking : en fr
  • DK65257C - Machine for dividing a continuously fed Paper hose. : da en
  • US2413215A - Method of operating reduction-melting furnaces : en
  • CA438760A - Automatic recording and reproducing system : en fr
  • US2413105A - Alkylation of hydrocarbons : en
  • FR917065A - Flange with additional air intake for internal combustion engines and the like : en fr
  • FR917075A - Combined sealing device for rotary key shutters : en fr
  • US2413259A - Polyacrylic and polymethacrylic resins plasticized with high boiling aromatic oils : en
  • DK65247C - Refractory Impregnating or Applying Agent. : da en
  • FR917089A - Runner intended in particular for the manufacture of endless fabrics : en fr
  • DK65252C - Cassette for Slides. : da en
  • US2413165A - Shield for sanding drum slots : en
  • FR917045A - Improvements to heat exchangers : en fr
  • FR917022A - Clip fasteners : en fr
  • FR917080A - Combustion chamber for gas turbine installations : en fr
  • US2412998A - Electron discharge device : en
  • DK65263C - Powder-tight folding box. : da en
  • FR917060A - Process for preparing alkenylamines : en fr
  • FR917135A - Hollow lift valve and method for its manufacture : en fr
  • CA438730A - Fluid pressure mechanism : en fr
  • US2413031A - Control device : en
  • USD146120S - Design for an arm attachment foe a gauge : en
  • US2413011A - Molding compositions : en
  • GB583658A - Thermal electric switches having indicating devices : en
  • US2413169A - Knife sharpener : en
  • US2413171A - Switch : en
  • US2413089A - Fitting : en
  • US2413061A - Trolley wire connector : en
  • FR917141A - Device for reducing noise in water pipes : en fr
  • FR917129A - heat exchanger : en fr
  • FR917108A - Magnetic core : en fr
  • FR917119A - Compressor-powered, air-cooled combustion engine : en fr
  • GB583673A - Improved tube and bar couplers : en
  • US2413242A - Lifting jack device : en
  • FR917100A - Braided wood panels : en fr
  • US2413115A - Fuel injection pump : en
  • US2412973A - Metal repair structure : en
  • US2413187A - Device for radiation of radio waves : en
  • FR917042A - Preparation of dihydropyran : en fr
  • FR917191A - Treatment of wood pulp : en fr
  • US2412967A - Petard missile : en
  • US2413277A - Thread controlling means for sewing machines : en
  • CA438811A - Thermostatically controlled circuit : en fr
  • US2413256A - Chemical process and product : en
  • USRE22822E - Sewing machine arm : en
  • US2413240A - Multiple pump for hydraulic systems : en
  • GB583661A - Improvements in or relating to hot water bottles : en
  • US2413000A - Method : en
  • CA438805A - Catalytic isomerization process : en fr
  • IE18125L - Air conditioning etc. : en
  • FR917017A - Pecfected lighter : en fr
  • GB583686A - Improved compositions comprising polyvinyl fluoride : en
  • CA438747A - Can body feeding means : en fr
  • US2412980A - Garden and lawn rake : en
  • US2413188A - Lubricants : en
  • GB583632A - Improvements in or relating to thermionic valve pulse generators : en
  • FR917035A - Improvements to hand punches for statistical recording : en fr
  • US2413131A - Selective actuating and indicating mechanism : en
  • US2413003A - High-frequency baking apparatus : en
  • FR917156A - Electric accumulator : en fr
  • US2413020A - Electronic relay : en
  • US2412993A - Polymeric materials : en
  • US2413050A - Alkyl silicon chlorides and their preparation : en
  • US2413025A - Vehicle lock : en
  • CA438832A - Luminescent substance for electric discharge vessels : en fr
  • FR917015A - Lighter ring : en fr
  • DK65246C - Two-socket Dwarf soffit light bulb. : da en
  • CA438782A - Screw thread forming apparatus : en fr
  • US2413108A - Recording and reproducing head for magnetic recording : en
  • US2413265A - Tension control device for flexible endless belts and the like : en
  • US2412972A - Method of repairing skin blankets : en
  • FR917026A - Improvements to tube bending machines : en fr
  • FR917131A - Soft shoe with rigid sole and heel : en fr
  • FR917157A - Process for manufacturing electrodes for electric accumulators and resulting products : en fr
  • US2413149A - Portable derrick : en
  • US2413198A - Lens inspecting and layout device : en
  • US2413168A - Folding seat : en
  • FR917008A - Hardening of the surface of metal objects : en fr
  • US2413231A - Rotary furnace : en
  • FR917078A - Control and recording device for permanent inventory, prognosis, contests and other similar operations : en fr
  • FR917013A - Elastic support for shock and vibration damping : en fr
  • FR917115A - Rail vehicle intended for the transport of goods or bulk materials : en fr
  • FR917097A - Improvements to flexible couplings for power transmission : en fr
  • FR917155A - Advanced electric accumulator : en fr
  • GB583637A - Improvements in cursors for slide rules : en
  • GB583636A - A new or improved door-closure control device : en
  • FR917062A - High pressure hydraulic piston machine : en fr
  • FR917076A - Improvement in welding fluxes for aluminum and its alloys : en fr
  • US2413183A - Furnace wall : en
  • CA438813A - Ceramic material : en fr
  • GB583685A - Improvements in or relating to internal combustion engines of the multi-cylinder opposed-piston type : en
  • US2413224A - Phthalocyanine sulfonhydrazides : en
  • FR917200A - Safety razor : en fr
  • US2412970A - Supercharged engine exhaust power system : en
  • US2413028A - Engine synchronizer : en
  • GB583649A - Improvements in or relating to electrical resistances : en
  • GB583659A - Improvements in or connected with trees for shoes and boots : en
  • GB583689A - An improved table game and appliances for playing the game : en
  • GB583662A - Improvements in locking devices for throttle controls for tractors : en
  • FR917047A - Separation of ethylene from gas mixtures : en fr
  • US2413247A - Nu-substituted amino monohydric secondary alcohols and process for preparing them : en
  • GB583671A - Improvements in electric welding rod guide and contact jaws : en
  • FR917057A - Packaging box and method of making it : en fr
  • DK65254C - Equipment for Combustion Power Machines, in particular Ship Combustion Power Machines, with pneumatically controlled Start Valves for Braking during Reversal Using Compression Pressure. : da en
  • US2413260A - Refining of aromatic hydrocarbons with acid-acting metallic halides : en
  • FR917117A - Fumivorous device : en fr
  • CA438768A - Woven fabric manufacture : en fr
  • US2413043A - Resistive device and method of making : en
  • US2413069A - Lubrication : en
  • US2413001A - Communication system : en
  • FR917092A - Apparatus for filling deformable tubes with pasty products : en fr
  • GB583654A - Improvements in mixing machines : en
  • FR917148A - Improvement in diaphragm valves : en fr
  • US2412994A - Radio receiving system : en
  • US2413229A - Felt hat body stiffening composition : en
  • FR917118A - Device for the operation of mutators equipped with resistance ignition electrode : en fr
  • FR917067A - Device for producing harmonics : en fr
  • FR917098A - Improvements to mechanisms for the gradual change of speed from zero to infinity : en fr
  • FR917182A - Apparatus for separating solid particles suspended in gaseous media : en fr
  • US2413158A - Driving mechanism : en
  • US2413147A - Hand sander : en
  • GB583642A - Improvements in joints for electric cables : en
  • FR917183A - Process for the preparation of a product used to prepare shortcrust pastry : en fr
  • USD146106S - Design for a shoe : en
  • GB583688A - Improvements in tubulous vapour generators : en
  • GB583650A - Improvements relating to fire-extinguishing apparatus : en
  • FR917054A - Light meter for photography and cinematography : en fr
  • FR917079A - Drying process and installation : en fr
  • US2413129A - Method of packing leafy vegetables for shipment : en
  • USD146107S - Design foe an embroidered fabric : en
  • GB583705A - Improvements in and relating to electrical light buoys or sea beacons : en
  • CA438720A - Solid forged locking stud link : en fr
  • CA438817A - Door operator : en fr
  • US2413173A - Ship propulsion : en
  • US2413258A - Polystyrene-type resins plasticized with high boiling fatty acid alkyl esters : en
  • GB583674A - Improvements relating to brackets : en
  • CA438819A - Lift truck : en fr
  • US2413227A - Safety speed boat : en
  • US2413268A - Spacer and seal for building construction : en
  • US2413219A - Manufacture of brush backs : en
  • FR917136A - Method and apparatus for electrically treating animal or plant materials : en fr
  • FR917039A - Shooting exercise system : en fr
  • GB583679A - Improvements in and relating to apparatus for coating the inner walls of vitreous bulbs : en
  • CA438815A - Comb : en fr
  • US2413159A - Ceramic body : en
  • US2412988A - Reversible garment construction : en
  • GB583655A - Improvements in latches for doors and the like : en
  • US2413059A - Piston and connecting rod thereof : en
  • CA438703A - Heating stove : en fr
  • US2413060A - Bust support : en
  • USD146121S - Design fob a duplicating machine : en
  • DK65248C - Gas cooler for generator sets, in particular for vehicles. : da en
  • US2413153A - Process for catalytic hydrogenation of aliphatic nitrohydroxy compounds : en
  • US2412974A - Electric wave communication system : en
  • USD146112S - Design foe a bracelet : en
  • FR917107A - telescopic landing net with branches retracting into the handle and automatically deploying : en fr
  • GB583660A - Improvements relating to devices for keeping trousers and the like in creases : en
  • USD146118S - Miniature bureau for jewelry : en
  • CA438774A - Nibbling tool : en fr
  • CA438701A - Lead silicate pigment : en fr
  • CA438766A - Footwear pressing apparatus : en fr
  • CA438719A - Detachable chain link : en fr
  • CA438742A - Impedance switching device : en fr
  • US2413012A - Means for producing mechanical vibrations : en
  • FR917106A - Device allowing railway wagons to travel on tracks of different widths : en fr
  • GB583670A - Coating compositions : en
  • US2412957A - Machine tool control : en
  • FR917169A - Parachute training : en fr
  • DK65260C - Screw pencil with overrun protection. : da en
  • CA438723A - Substituted aryloxyalkylol sulphide : en fr
  • FR917113A - Typing mechanism for machine characters using a mechanical writing device : en fr
  • US2412971A - Trail jack : en
  • GB583701A - Improvements in and relating to cases, cabinets and the like for cutlery and similar articles : en
  • US2413017A - Lens coupled range finder for cameras : en
  • US2413202A - Walking aid : en
  • US2413255A - Process for refining styrene and methyl styrene : en
  • FR917066A - Highly refractory building material and process for its manufacture : en fr
  • GB583676A - Improvements in or relating to brakes : en
  • GB583690A - Improvements in and relating to electric cable junction boxes : en
  • GR10955B - PETROLEUM OIL COOKING. : el en
  • US2412954A - Coating device : en
  • US2413106A - Pipe coupling : en
  • FR917126A - Improvements in the manufacture of electric cables : en fr
  • GB583657A - Improvements in or relating to spray devices for dust prevention when rock or coal boring : en
  • US2412986A - Beacon system : en
  • US2413049A - Methyl silicon halides and their production : en
  • FR917158A - Vent plug for electric accumulator : en fr
  • US2413211A - Remote control frequency selector system : en
  • US2413166A - Letter scale : en
  • FR917105A - Removable box for lever handle to optionally make a lock that uses a safety lock open on the right or on the left : en fr
  • US2412985A - Vulcanization of rubber : en
  • FR917037A - Coating of ceramic articles : en fr
  • US2413079A - Thermostat : en
  • GB583612A - Improvements in or relating to tag blocks or terminal blocks as used in telephone systems : en
  • FR917093A - Venetian louver : en fr
  • DK65255C - Oil wiping device by pistons for internal combustion engines. : da en
  • FR917137A - Device for the simultaneous control of the control surfaces of an aerodyne : en fr
  • FR917009A - Surface hardening of metal parts : en fr
  • GB583617A - Improvements in or relating to draught excluding means : en
  • US2413141A - Garment pocket : en
  • FR917072A - Anti-theft device applicable in particular for bicycles and cars : en fr
  • US2413155A - Loom : en
  • US2413082A - Pocket tool kit : en
  • US2412996A - Arrangement for generating and observing electric pulses : en
  • US2413009A - Processes of refining, purifying, and hydrogenating fats, fatty acids, and waxes : en
  • GB583616A - Improvements in flatirons : en
  • FR917104A - Mast and fixing devices ensuring greater stability to the hulls of sailing boats and better performance of their sails : en fr
  • US2413092A - Spindle adjusting means : en
  • US2413026A - Cathode-ray indicating device : en
  • US2413185A - Removal of volatile metal halides from fluids : en
  • CA438802A - Electric ratiometre : en fr
  • GB583681A - Improvements in or relating to concrete mixers : en
  • US2412942A - Method of forming rubber amines : en
  • US2413145A - Laminated plywood arch : en
  • GB583677A - Improvements in or relating to stereotype plate casting machines : en
  • US2413161A - Surface active agents : en
  • FR917056A - Submerged combustion appliance : en fr
  • GB583682A - Improvements in or relating to concrete mixers : en
  • FR917085A - Device for regulating combustion turbine installations : en fr
  • FR917128A - Advanced Rubber Hydrochloride Film and Its Applications : en fr
  • USD146101S - Design for a clock : en
  • DK65264C - Box or box part consisting of a polygonal base part and perpendicular side parts thereon. : da en
  • FR917179A - Process for preparing dispersions : en fr
  • US2413098A - Inductance core composition : en
  • CA438739A - Hard facing alloy : en fr
  • CA438809A - Under water illumination device : en fr
  • US2413091A - Collapsible and expansible spindle : en
  • CA438707A - Rotary snow-plough : en fr
  • US2413195A - High potential current transformer means : en
  • CA438794A - Mechanical energy translating means : en fr
  • CA438732A - Transmission : en fr
  • CA438718A - Solid-forged chain manufacture : en fr
  • CA438745A - Transformer : en fr
  • US2413083A - Injection nozzle : en
  • CA438751A - Sheet metal container : en fr
  • CA438795A - Electric discharge circuit : en fr
  • CA438779A - Aircraft altitude control system : en fr
  • CA438834A - Luminous electric discharge device : en fr
  • USD146119S - Design for a bicycle steering post : en
  • GB583692A - Controlling means for variable speed power transmission mechanisms : en
  • FR917077A - Improvements to crystallized substances in the state of extremely fine division : en fr
  • CA438789A - Spring construction : en fr
  • CA438733A - Planetary gearing : en fr
  • GB583615A - Improvements in or relating to communication between moving vehicles : en
  • US2413072A - Pickup reel for harvesters : en
  • US2413180A - Trouser waist grip : en
  • BE466276A - : en fr
  • US2412947A - Dry casting solution of cellulose acetate : en
  • US2412976A - Well surveying instrument : en
  • GB583619A - Improvements in and relating to magneto electric machines : en
  • FR917032A - Adjustable hydraulic mechanism with progressive variation : en fr
  • US2413004A - Grenade : en
  • US2413190A - Antislippage system for plural traction motors : en
  • GB583703A - An improved holder for transparencies for optical projection or viewing : en
  • FR917014A - Device for automatic filling of stylographs : en fr
  • USD146104S - Combined lapel pin and perfume container : en
  • US2413046A - Hamburger patty maker : en
  • FR917074A - Method and apparatus for applying vibration treatment to roads and floors made of concrete or other plastic materials : en fr
  • FR917173A - Timer for electric lighting installations : en fr
  • FR917151A - Glazing : en fr
  • FR917178A - Process and installation for the extraction, by liquids, of dissolved products : en fr
  • FR917196A - A method of making hollow lift valves incorporating a cooling agent such as sodium : en fr
  • FR917114A - Scale or navigation map : en fr
  • US2413103A - Expanding head : en
  • CA438769A - Machine tool : en fr
  • FR917167A - Improvements to time-controlled hydraulic molding presses : en fr
  • US2413078A - Filing apparatus : en
  • FR917021A - electric resistance heating element : en fr
  • CA438717A - Material drying apparatus : en fr
  • CA438727A - Switch structure : en fr
  • CA438783A - Electric power steering mechanism : en fr
  • CA438749A - Varnish paper liner facing material : en fr
  • GB583647A - Printing process and apparatus : en
  • FI21846A - Impact tool eg ax blade : en fi
  • FR917154A - Improvements to seals for rotating shafts, pistons and piston rods : en fr
  • US2413194A - Filling valve : en
  • US2413207A - Preparing photographic emulsion for transport : en
  • USD146115S - Design for a bracelet or similar article : en
  • US2413112A - Automatic gun charger : en
  • US2412999A - Lipstick holder : en
  • US2413002A - Automatic plural temperature timing therapeutic bath : en
  • CA438708A - Fuel injection pump for engines : en fr
  • US2413030A - Cord connector for telephone instruments : en
  • CA438800A - Fire extinguishing apparatus : en fr
  • CA438808A - Motor vehicle : en fr
  • US2413276A - Cathode-ray apparatus : en
  • US2412989A - Multiple rectifier cooling system : en
  • US2413087A - Fire preventing system : en
  • US2413005A - Well surveying instrument : en
  • CA438799A - Railway car body : en fr
  • US2413218A - Photographic apparatus : en
  • FR917124A - Enamelling process of rigid or flexible surfaces, by antacid and insulating varnishes, based on vinyl, styrol and acrylic resins, and objects thus obtained : en fr
  • CA438753A - Bottle carrier grill : en fr
  • CA438706A - Filing cabinet : en fr
  • CA438836A - Liquid temperature maintaining apparatus : en fr
  • CA438757A - Magnesium recovery from vapour mixtures : en fr
  • US2413217A - Thread-advancing reel : en
  • US2412995A - Amplifier of electromagnetic energy : en
  • US2413006A - Electrode assembly for discharge tubes : en
  • US2412991A - Radio transmission and monitoring system : en
  • US2413054A - Scrap metal baling press : en
  • US2412952A - Internal-combustion engine : en
  • FR917031A - Process for the production of high strength concrete preventing the formation of cracks : en fr
  • GB583656A - Tractor driver's protection sheet : en
  • US2413232A - Swing : en
  • USD146122S - Design for a combined hair brush and comb rack : en
  • FR917142A - Method of manufacturing t-post boxes. s. f. : en fr
  • FR917036A - Improvements to hand-held punches for recording statistics : en fr
  • US2412962A - Slicing machine : en
  • US2413034A - Fluid meter : en
  • FR917018A - Airtight closing device for metal cans with a cover : en fr
  • FR917016A - Nasal instillator : en fr
  • US2413073A - Stretching rolls : en
  • FR917193A - Improvements made to slimming and enveloping sheaths : en fr
  • GB583628A - Improvements in terminations for high tension electric cables : en
  • FR917186A - Process for obtaining felts and products obtained : en fr
  • GB583675A - Apparatus for sub-dividing an agglomerate into aliquot parts : en
  • FR917166A - Improvements to hydraulic molding presses : en fr
  • GB583624A - Improvements in or relating to the manipulation of wire : en
  • FR917084A - Improvements in the manufacture of permanent magnets : en fr
  • FR917002A - electrolyte particularly intended for accumulator batteries and method of preparation thereof : en fr
  • GB583622A - Improvements in hinge-joints of bracket arms of electric lighting fittings : en
  • GB583618A - Improvements in or relating to suction cleaners : en
  • US2413094A - Metal treating apparatus : en
  • FR917086A - Process for preparing cold cuts, meat or fish products intended for food : en fr
  • US2413214A - Automatic pilot directional turn indicator : en
  • US2413051A - Horizontally and vertically adjustable photoelectric sound head : en
  • US2413151A - Plastic grater : en
  • US2412984A - Vulcanization of rubber : en
  • US2413191A - Manufacture of metal-free phthalocyanine coloring matter : en
  • FR917133A - Combined cigarette box : en fr
  • FR917068A - Improved gasoline production process : en fr
  • FR917020A - Electrically heated soldering iron : en fr
  • GB583680A - Improvements in or relating to concrete mixers : en
  • CA438724A - Heat sealed article forming method : en fr
  • US2412950A - Tumbler washer : en
  • US2413205A - Dehydration of hydrohalogen acid by distillation : en
  • FR917102A - Process for preparing a drink : en fr
  • FR916110A - : fr
  • US2413220A - Wire drawing method : en
  • CA438761A - Induction heating equalizer shield : en fr
  • FR917185A - Process for obtaining a network of cracks on objects covered with an electrolytic deposit of chromium : en fr
  • FR917081A - Aluminum production : en fr
  • US2413253A - Purification of indene : en
  • FR917172A - Needle grade levels : en fr
  • US2412939A - Core drill : en
  • US2413233A - Refrigerator liner construction : en
  • US2412964A - Secrecy communication system : en
  • FR917140A - Preparation of engine fuels : en fr
  • US2413250A - 1,5-bis (1-amino-3,5-dioxacyclohexyl) 2,4 dioxapentane : en
  • US2413245A - Azeotropic distillation of toluene : en
  • GB583695A - Improvements in or relating to terminations for electric power cables : en
  • CA438746A - Resin coated fibre base : en fr
  • US2413122A - Greases : en
  • US2413160A - Potato slicer : en
  • FR917123A - Contact of solid particles with gaseous fluids : en fr
  • US2412938A - All-purpose utility pencil case : en
  • FR917043A - Improvements to heat exchangers : en fr
  • US2412975A - Piston and cylinder assembly : en
  • GB583665A - Improvements relating to needle armature pick-ups : en
  • US2413136A - Positive oil feed pump by minute drop-like volumes : en
  • US2413128A - Measuring and control apparatus : en
  • CA438825A - Packing device for fluid pressure apparatus : en fr
  • FR917096A - Mechanical device serving as a perpetual calendar to automatically indicate the days of the week and their respective date in normal and successive order by the simple operation of a control button : en fr
  • US2413267A - Electrode structure and method of manufacture : en
  • US2413056A - Decorative bar pin : en
  • US2413206A - Pickup arm : en
  • US2413176A - Milk bottle heater : en
  • US2413041A - Stretcher for crochet mats : en
  • CA438810A - Thermostat control circuit : en fr
  • US2413081A - Clutch driven hydraulic pump : en
  • CA438754A - Electric cable splice : en fr
  • CA438797A - Electric convenience outlet : en fr
  • US2413182A - Radio communication system : en
  • US2413172A - Thread board for spinning frames : en
  • USRE22824E - Supporting clip fob conduits : en
  • US2413248A - Polyamines and process for preparing them : en
  • US2413209A - Rotary device for positive fluid action : en
  • US2413024A - Process for finishing textile materials, particularly to render the same water repellent : en
  • FR917011A - Quick-release link for scaffolding elements : en fr
  • US2413143A - Rodent gun : en
  • US2413113A - Automatic gun charger : en
  • CA438816A - Matrix roller : en fr
  • US2413178A - Fruit juice squeezer : en
  • US2413275A - Polyvinyl acetal maleates and method of making same : en
  • FR917012A - Improvement in vibration dampers : en fr
  • FR917116A - Method and device for transforming direct current into three-phase current and vice versa : en fr
  • FR917197A - Thread winding machine with reciprocating adjustment : en fr
  • US2413058A - Multishutter camera : en
  • CA438778A - Remote hand controller for automatic pilots : en fr
  • US2413022A - Method of forming firearm barrels : en
  • CA438712A - Knockdown picnic table : en fr
  • CA438736A - Lubricating system : en fr
  • US2413270A - Movable anvil riveting machine : en
  • CA438814A - Electron discharge device : en fr
  • CA438787A - Acid aqueous chlorite solution : en fr
  • CA438788A - Honing device : en fr
  • US2413142A - Suturing assembly and method : en
  • CA438699A - Storage system and apparatus : en fr
  • US2413070A - Electronic motor control : en
  • CA438791A - Sander : en fr
  • US2413137A - Control mechanism : en
  • US2413264A - Mounting for automotive motor and transmission assembly : en
  • US2413181A - Signal generator : en
  • US2413201A - Radio-frequency transformer : en
  • FR917087A - Method for current interruption and circuit breaker device : en fr
  • US2413118A - Air deflector vane for unit heaters : en
  • USD146114S - Design for a game board : en
  • CA438734A - Transmission : en fr
  • US2412953A - Mattress construction : en
  • FR917061A - Servo brake : en fr
  • US2413035A - Fluid supply apparatus for burners : en
  • US2412951A - Poultry feeder : en
  • US2413261A - Method and apparatus for hydrogen sulfide determination : en
  • US2413077A - d(+)-alpha, gamma-dihydroxy-beta, beta-dimethyl-butyric-acid-(hydroxy-alkyl)-amides and process for the manufacture of same : en
  • US2413021A - Resistance type detector : en
  • NO71432C - : no
  • US2413104A - Gun charging mechanism : en
  • US2413093A - Film-forming resinous lining for metal containers : en
  • GB583634A - Production of chlorinated hydrocarbons : en
  • USPP719P - Hose plant : en
  • US2412968A - Relay : en
  • US2413039A - Glass rack construction : en
  • FR917110A - Lift valve with ribbed dome head : en fr
  • USD146109S - Design for a decalcomania sheet : en
  • CA438729A - Fluid transmission : en fr
  • CA438713A - Housing for interior lighting : en fr
  • FR917195A - liquid bath air purifier applicable in particular to compressors : en fr
  • USD146105S - Design for a game board : en
  • US2412944A - Method of producing a detergent composition : en
  • US2413015A - Apparatus for fluid suspension classification : en
  • US2413177A - Shoe cleat : en
  • CA438786A - Sliding clasp fastener : en fr
  • US2413062A - Apparatus for the production of music : en
  • CA438740A - Divinyl benzene partial copolymer preparation : en fr
  • CA438767A - Polyvinyl halide composition : en fr
  • GB583699A - Improvements in or relating to rivetting : en
  • CA438725A - Railway car truck : en fr
  • FR917101A - Cheese packaging process : en fr
  • US2413111A - Fuel injection device for internal-combustion engines : en
  • FR917130A - Lamp device for a lighter or lighter using solid fuel : en fr
  • CA438726A - Torque screwdriver : en fr
  • DK65244C - Device for electrical contacts with two mechanically and electrically connected contact means. : da en
  • GB583611A - Improvements relating to sets or kits of spanners and like tools : en
  • US2413038A - Stabilized acetaldehyde and method : en
  • US2413007A - Liner coating composition : en
  • US2412958A - Production of solid contact material : en
  • FR917175A - Adjustable left turn : en fr
  • CA438833A - Discharge tube operating process : en fr
  • GB583693A - Improvements relating to friction clutches : en
  • GB583663A - Improvements in inductance coils as used in telecommunication systems : en
  • FR917164A - Improvements to electrical control devices : en fr
  • FR917139A - Process for preparing stains or finishing, in particular for laundry : en fr
  • FR917177A - Waterproof film and its manufacturing process : en fr
  • GR10954B - OIL COOKING OIL. : el en
  • US2412961A - Aircraft attitude indicator : en
  • US2413133A - Arch normalizer : en
  • GB583635A - Improvements in or relating to electric switches with contact-spring pile-ups : en
  • CA438821A - Latchbolt hold back : en fr
  • GB583687A - An improved mounting, more particularly for inspection lamps : en
  • US2413156A - Sharpening device : en
  • US2413228A - Rotary forge furnace : en
  • FR916008A - : fr
  • FR917095A - Button cover for safety lock : en fr
  • US2412955A - Telegraph switching system : en
  • US2413246A - Automatic scraper for disk harrows : en
  • US2413271A - Catalytic treatment of hydrocarbons : en
  • FR917051A - Improvements to gasoline injection systems for internal combustion engines : en fr
  • FR917161A - Electric accumulator plate : en fr
  • GB583638A - Producing cored holes in metal castings : en
  • US2413167A - Sandblast nozzle : en
  • FR917112A - Decanter : en fr
  • US2413121A - Greases : en
  • GR10956B - METHOD FOR PERFECT FUEL, LIGNITE OR OTHER LIGHT CARBONS THROUGH HOT AIR CURRENT, WITHIN HOMES OF ALL NATURE. : el en
  • US2413210A - Ship bumper : en
  • US2413226A - Life raft : en
  • FR917184A - Method and apparatus for culturing mucedin in the preparation of penicillin and similar bactericidal products : en fr
  • GB583669A - Improvements in switches, for controlling electrical circuits, actuated by electromagnetic means : en
  • CA438801A - Electrical shield unit : en fr
  • US2413170A - Liquid stable at low temperatures : en
  • US2413196A - Wire garment hanger making machine : en
  • US2413095A - Portable loading machine : en
  • CA438737A - Water circulating and heating apparatus : en fr
  • CA438763A - Fluid flow metre : en fr
  • CA438770A - Control system : en fr
  • US2413096A - Portable loading machine : en
  • FR917132A - Filling mechanism for reservoir pen holder : en fr
  • USD146102S - Design for a clock : en
  • FR917146A - Improvements in fixing to the cross members of the bearings and rails : en fr
  • CA438824A - Coupling device for pipes or tubes : en fr
  • FR917028A - Metal and cement building : en fr
  • FR917168A - Improvements relating to the junction of metallic elements : en fr
  • CA438777A - Detachable bit forging and refinishing method : en fr
  • FR917034A - Fixed seat armchair that can be stacked : en fr
  • US2413067A - Torpedo control by timing selector : en
  • CA438743A - Partition structure : en fr
  • US2413016A - Cutting machine : en
  • GB583610A - Improvements in and relating to handcuffs : en
  • GB583627A - A direct current energised reactor for multiphase current : en
  • GB583648A - Improvements in photographic materials : en
  • USD146108S - Combination letter opener and paper weight : en
  • FR917052A - Airtight closing device for all types of containers : en fr
  • FR917027A - Improvements in the production of bent tubes : en fr
  • US2413076A - Radiation sensitive relay system : en
  • USD146123S - Design for a slipper : en
  • US2413163A - Flameproof organic fibrous material and composition therefor : en
  • FR917159A - Manufacturing process of electric accumulator plates and resulting products : en fr
  • DK65245C - Distance meters, especially Altitude meters for Aircraft. : da en
  • FR917053A - Buttonhole sewing machine : en fr
  • GB583694A - Improvements in or relating to a process for bonding polythene to metal surfaces : en
  • CA438826A - Sheet-metal shaping method and means : en fr
  • US2413033A - Voltage regulated rectifying system : en
  • US2413157A - Binder : en
  • US2412940A - Spectrometer prism mounting : en
  • US2413102A - Degasifier : en
  • US2413269A - Method of projecting motion pictures : en
  • FR917024A - Improvements to clothes hangers : en fr
  • US2413230A - Parachute dummy : en
  • DK65259C - Attachment brake for trailers. : da en
  • US2413010A - Tire handling stand : en
  • US2413162A - Fluid brake : en
  • GR10953B - SUPPORTING WOODEN BOXES OF FRUIT AND VEGETABLES OF RECTANGULAR-PARALLEL-SHAPED AFTER CONCERT SECTIONS. : el en
  • USD146100S - Design for a face plate for air conditioners : en
  • FR917174A - one-piece ceramic electric heating element : en fr
  • CA438798A - Optical apparatus : en fr
  • FR917010A - Advanced safety razor and blade for its application : en fr
  • FR917059A - Wedge Section Drive Belt : en fr
  • DK65249C - Apparatus for coal - fired furnaces for smelting steel or other metals. : da en
  • CA438827A - Sheet-metal structure for aircraft : en fr
  • US2413189A - Stud welding machine : en
  • CA438756A - Magnesium base alloy : en fr
  • DK65243C - Process for the Preparation of 17-Position-Substituted, Saturated or Unsaturated Androstan-17-ol-3-ones and their Enolates or Acetals. : da en
  • GB583652A - Improvements relating to the cooling arrangements of compression ignition internal combustion engines : en
  • US2413109A - Apparatus for the manufacture of building blocks : en
  • CA438702A - Dung mechanical removing means : en fr
  • US2413272A - Tilting camera : en
  • CA438731A - Transmission : en fr
  • CA438830A - Exothermic chemical reaction : en fr
  • GB583645A - Improvements in softeners for rubbers : en
  • US2412949A - Rotary engine : en
  • US2413144A - Method of finishing containers impregnated with wax : en
  • USD146111S - Design for a brooch ob similar article : en
  • GB583653A - Improvements relating to pneumatic plants for dealing with granular materials, coal and the like : en
  • CA438722A - Dialkyl ester of n-substituted aspartic acid : en fr
  • GB583700A - Improvements in or relating to the front forks of cycles : en
  • CA438807A - Pump for central lubrication systems of vehicles : en fr
  • US2413212A - Torsion rod spring suspension : en
  • US2413075A - Method and system for developing television signals : en
  • US2413130A - Snap action switch : en
  • US2413244A - Electron discharge device : en
  • US2413140A - Thermostat : en
  • US2413278A - Bacteriological process for treatment of fluid-bearing earth formations : en
  • US2413080A - Spectrophotometer : en
  • US2412992A - Vacuum tube connection : en
  • USD146124S - Design for a vacuum cleaner casing : en
  • US2413027A - Cabin pressure controlling mechanism : en
  • US2413125A - Fire detector cable : en
  • US2413266A - Guard mechanism : en
  • FR917004A - Stylograph filling device : en fr
  • FR917073A - Elastic fork with telescopic structure for motorcycles : en fr
  • FR917138A - Electric stove : en fr
  • FR917048A - Preparation of ethylene interpolymers : en fr
  • USRE22823E - Method and apparatus fob append : en
  • FR917006A - Improvements to coupling devices for trailers, or agricultural vehicles, to tillers : en fr
  • US2413036A - Fluid dispensing apparatus : en
  • US2413216A - Continuous strip wiping apparatus : en
  • CA438762A - Coil forming method and means : en fr
  • FR917025A - Improvements in the manufacture of bent tubes : en fr
  • FR917063A - Device that adapts to viewfinders and range finders of cameras and eliminates parallax errors : en fr
  • GB583626A - Improvements in frequency modulation networks : en
  • US2413114A - Gun turret : en
  • CA438776A - Lead coating : en fr
  • GB583633A - Production of organic esters : en
  • CA438806A - Gas turbine plant : en fr
  • FR917064A - Simplified device for supplying electronic amplifiers supplied with alternating current : en fr
  • US2412982A - High-frequency electrode : en
  • FR917149A - Improvements to disengageable hydraulic couplings for the transmission of a rotary movement : en fr
  • IE17601L - Air conditioning composition : en
  • US2413068A - Diaphragm chuck : en
  • US2413193A - Eyeshield or shade : en
  • USD146097S - Design for a candlestick : en
  • US2413146A - Fireproof wiper roll : en
  • US2413184A - Metal aluminate adsorbents and method of making same : en
  • FR917127A - Improvements to threaded or grooved objects : en fr
  • US2413251A - Electron discharge device : en
  • US2413252A - Transparent lid and integral lens : en
  • CA438818A - Motorized lift truck : en fr
  • FR917083A - Improvements to sound cinematography devices : en fr
  • USD146117S - Design foe a tap knob : en
  • GB583629A - Improvements in or relating to signalling arrangements for electric pulse communication systems : en
  • GB583683A - Improvements in or relating to foot arch supports : en
  • FR917007A - Heat treatment of the surface of ferrous metal parts : en fr
  • GB583697A - Improvements in wave guides for high frequency electric currents : en
  • CA438700A - Lead silicate pigment : en fr
  • US2412997A - Electron discharge device : en
  • GB583621A - Improvements in electric cartridge fuses : en
  • CA438831A - Box toe cap : en fr
  • CA438784A - Vehicle power steering mechanism : en fr
  • LU28180A1 - Improvements to acoustic assistance devices : en fr
  • US2412965A - Electrode structure : en
  • US2413055A - Process for the preparation of riboflavin concentrates : en
  • CA438775A - Power lift : en fr
  • FR917088A - Monobloc water closet : en fr
  • FR917194A - Special shaped plastic drawer : en fr
  • GB583613A - Improvements in tines for harrows and like agricultural implements : en
  • US2413066A - Torpedo control by multiple channel selector : en
  • US2413110A - Counting relay signaling apparatus : en
  • US2413263A - Method and means for frequency control : en
  • FR917180A - Improvements to buttons and similar articles as well as to the fastening devices associated with these buttons : en fr
  • USD146116S - Design for a lamp : en
  • US2413100A - Thermostatic switch : en
  • US2413208A - Refractometer for chemical reactions : en
  • US2413262A - High-compression motor fuel : en
  • FR916068A - : fr
  • GB583708A - Improvements relating to electric welding apparatus : en
  • US2413074A - Master carriage with airplanes for sustaining same : en
  • US2413099A - Antifriction drive wheel : en
  • GB583639A - Improvements relating to ceramic dielectric materials and to methods of making the same : en
  • FR917199A - Process for the immediate manufacture of a woolly and elastic fibrous tape from viscose : en fr
  • GB583646A - Improvements in and relating to the production of acyl cyanides : en
  • GB583698A - Improvements in chairs and like articles of furniture : en
  • FR917029A - Insulating material switch : en fr
  • US2412983A - Process foe the conversion of heavy : en
  • GB583630A - Improvements in or relating to thermionic valve pulse generators : en
  • US2413126A - Timing checking device : en
  • FR917023A - Improvements to clothes hangers : en fr
  • CA438790A - Spring construction : en fr
  • FR917145A - Electronic lens system : en fr
  • GB583623A - Improvements relating to the manufacture of pigments : en
  • US2412963A - Arrangement for determining and monitoring the duration of electrical pulses : en
  • CA438698A - Electrical junction system : en fr
  • FR917198A - Improvements in processes and apparatus for the treatment of carbon dioxide from fermentation with recovery of alcohol : en fr
  • US2413138A - Water control for evaporative coolers : en
  • US2413152A - Toy house : en
  • CA438812A - Paving machine : en fr
  • US2412966A - Chemical compounds : en
  • US2412941A - Method of applying fittings to ropes : en
  • CA438781A - Concrete mixing plant : en fr
  • US2412959A - Radio direction finder system : en
  • US2413047A - Bullet orienting shaker : en
  • US2413045A - Engine starting mechanism : en
  • USD146110S - Design for a shoe : en
  • US2413174A - Rotary printing press : en
  • US2413197A - Aqueous dispersions of vinyl-acetate polymers : en
  • US2413274A - Duplicating machine and electrical control therefor : en
  • CA438738A - Tractor crane attachment : en fr
  • US2412960A - Fluid compositions containing copolymers of tetrafluoroethylene and ethylene : en
  • US2413071A - Shoe preserver : en
  • US2413090A - Toy gun : en
  • US2413064A - Sewing-machine accessory : en
  • GB583641A - An improved method and means of forming or trueing the surface of a grinding wheel : en
  • US2413053A - Traction splint : en
  • FR917163A - Improvements to lubrication devices : en fr
  • US2413241A - Recharging system for machine guns : en
  • USD146113S - Design for a lamp : en
  • CA438758A - Hammer for impact crushers : en fr
  • CA438823A - Silencing device : en fr
  • FR917055A - Improvements to mesh toothbrushes and other filter surfaces : en fr
  • US2412990A - Drying oven control : en
  • US2413132A - Adjustable operating handle for steering wheels : en
  • GB583696A - Improvements in or relating to apparatus for feeding cigarettes and other articles of similar shape : en
  • FR917030A - Process for the production of very resistant viscose yarns : en fr
  • US2413063A - Measuring system and triangular wave generator for use therein : en
  • US2413222A - Photoelectric tube and method of manufacture : en
  • US2413052A - Method for preparing rosin hydrocarbons : en
  • US2413088A - Blowtorch machine for cutting metal workpieces : en
  • US2413164A - Cafeteria cart : en
  • GB583709A - Improvements in leg coverings : en
  • US2412979A - Manufacture of milled toilet soap : en
  • US2413139A - Outlet box and anchor therefor : en
  • US2413014A - Means for threading needles : en
  • GB583702A - Hand-press for eyeletting, perforating and kindred operations : en
  • FR917190A - Turbine without stator with differential coupling : en fr
  • GB583691A - Improvements relating to attachment devices for securing earthing wires in electrical installations : en
  • US2413008A - Fragmentation bomb : en
  • CA438803A - Electric alarm clock : en fr
  • FR917121A - Catalytic transformation treatment process : en fr
  • FR917170A - Improvements to food screws for extruders and machines using such screws : en fr
  • GB583664A - Improvements in and relating to centrifugal compressors : en
  • US2413048A - Logging apparatus : en
  • GB583707A - Improvements relating to cooking utensils : en
  • US2413213A - Electrode holder : en
  • US2413120A - Measuring and controlling apparatus : en
  • US2413124A - Loading machine : en
  • CA438716A - Heat-exchange apparatus : en fr
  • FR917103A - New suspension system for vehicles : en fr
  • GR10952B - SUPPORTING WOODEN BOXES OF FRUITS AND VEGETABLES IN THE SHAPE OF A SIMPLE RECTANGULAR PARALLEL. : el en
  • FR917003A - Device for assembling elements with non-parallel external faces : en fr
  • DK65251C - Procedure for obtaining fine-grained structure in magnesium or magnesium alloys. : da en
  • GB583620A - Improvements in or relating to perambulators, baby-carriages and the like : en
  • US2413150A - Remote control for evaporative coolers : en
  • US2412946A - Can opener : en
  • CA438735A - Transmission gearing : en fr
  • DK65250C - Procedure for Impregnating Tree Trunks Using Juice Displacement. : da en
  • FR917038A - Process for the preparation of plastic masses based on synthetic resins, suitable for the manufacture of numerous articles replacing those made of rubber, masses and objects thus obtained : en fr
  • CA438820A - Removable core cylinder : en fr
  • DK65242C - Procedure for the Preparation of Durable Solid Vitamin D2 Esters. : da en
  • US2413037A - Electric glass melting furnace : en
  • US2413223A - Method and apparatus for mounting and controlling tension of warp beams of looms : en
  • FR917188A - Floating dry dock : en fr
  • GB583614A - Improvements in and relating to test systems and apparatus therefor : en
  • US2413119A - Locomotive : en
  • CA438759A - Impulse generator : en fr
  • CA438710A - Portable rotary hoe : en fr
  • FR917046A - Production of relief images : en fr
  • FR917041A - Device for clamping clichés in printing machines : en fr
  • DK65265C - Device by Clocks. : da en
  • FR917019A - Sealing device, especially for fuel pump shaft : en fr
  • GB583704A - Improvements connected with sad irons : en
  • US2413134A - Process for the manufacture of crystalline absorbents : en
  • FR917005A - Process for treating residues from the de-bitterness of horse chestnut flour, with a view to obtaining concentrated solutions of saponins and associated products : en fr
  • FR917082A - Condensation product : en fr
  • FR917160A - Advanced plate for electric accumulator : en fr
  • US2413234A - Retractile fountain pen : en
  • GB583643A - Improvements in or relating to garments for personal wear : en
  • DK65258C - Apparatus for machines for drying paper webs coated with adhesive. : da en
  • FR917033A - Assembly for tubes, piles and similar elements : en fr
  • GB583706A - Improvements in or relating to electromagnetic switches : en
  • FR917058A - Paper coating process : en fr
  • FR917071A - Board game : en fr
  • FR917165A - Friction-controlled progressive shifting : en fr
  • CA438829A - Testing device : en fr
  • US2413029A - Chemical feeding apparatus : en
  • US2413273A - Bit control for percussive tools : en
  • US2413116A - System for geophysical exploration : en
  • DK65261C - Colored hard or semi-hard fibreboard and method of manufacture. : da en
  • US2412987A - Vacuum tube connection : en
  • US2412978A - Musical chime construction : en
  • US2412956A - Lubricant containing alkyl piperidine salts : en
  • US2412948A - Detachable terminal fitting for stranded-wire structure : en
  • CA438765A - Refrigerator : en fr
  • US2413123A - Production of rayon : en
  • CA438711A - Fish sack and bait can holder : en fr
  • FR917091A - New kind of spindles for unwinding spinning reels : en fr
  • US2413042A - Sliver roll forming and delivery apparatus : en
  • FR917134A - Cooling system for internal combustion engines : en fr
  • US2413084A - Glass drilling apparatus : en
  • US2413154A - Trunk-piston body : en
  • US2413013A - Method of making selenium rectifiers : en
  • US2413040A - Fuel pumping unit : en
  • US2413057A - Liquid measuring and dispensing apparatus : en
  • CA438773A - Tool for installing tubular rivets : en fr
  • CA438752A - Bottle carrier : en fr
  • IS453A7 - Method for preserving fish droppings. : en is
  • FR917040A - Improvements to engine power systems : en fr
  • CA438741A - Gas-filled cable system : en fr
  • CA438744A - Electron discharge device : en fr
  • CA438750A - Curing frame for resin impregnated stock sheet : en fr
  • CA438714A - Rabbit hutch : en fr
  • US2413175A - Trigatron tube : en
  • US2413243A - Storage tank and method of constructing same : en
  • CA438792A - Pinion-making machine : en fr
  • FR917150A - Improvements to hydraulic couplings and brakes : en fr
  • US2413097A - Portable loading machine : en
  • US2413135A - Electric switch : en
  • US2412981A - Motor protector : en
  • CA438796A - Electricity conductor unit : en fr
  • US2413023A - Demodulator : en
  • US2412945A - Detergent composition and method of preparing same : en
  • CA438755A - Container : en fr
  • US2413044A - Grease pump : en
  • DK65256C - Packing device for heat exchange devices. : da en
  • FR917049A - Electric resistors : en fr
  • CA438785A - Material evaporating means : en fr
  • CA438704A - Liquid fuel burner : en fr
  • CA438721A - Locking device for pivotal member : en fr
  • CA438705A - Pulverizer : en fr
  • CA438728A - Fuel burner : en fr
  • US2413032A - Electricity conductor unit : en
  • US2413085A - Antenna system : en
  • FR917143A - Improvements to electric arc heaters : en fr
  • US2413179A - Radiator : en
  • USD146099S - Design for a turning signal : en
  • CA438709A - Overload spring : en fr
  • US2412937A - Boring head : en
  • US2413257A - Process for purifying piperylene : en
  • US2412977A - Flame sensitive device : en
  • US2413254A - Process for refining unsaturated hydrocarbon material with an alkali or alkaline earth metal : en
  • FR917090A - Regulation means of electric machines : en fr
  • FR917111A - Lithium-based lubricating greases and process for their production : en fr
  • CA438822A - Tire chain applying device : en fr
  • US2413107A - Refining of pyrethrum oleoresins : en
  • US2413018A - Keying arrangement : en
  • CA15045S - Bottle : en
  • FR917044A - Hydrogenation of dihydropyranes : en fr
  • FR917153A - Electric heater for washing machines : en fr
  • US2413199A - Production of aliphatic hydrocarbon sulfonates : en
  • US2413127A - Colored light signal : en
  • US2413200A - Disconnecting switch : en
  • GB583644A - Improvements in and relating to the manufacture of die castings : en
  • FR917189A - Cam-controlled oscillating cup cleat : en fr
  • GB583640A - Valve mechanism : en
  • USD146103S - Design for an ultraviolet sterilizer : en
  • DK65241C - Process for the Preparation of 1,2-Alkyleneimidosulfonic acid dialkylamides. : da en
  • DK65253C - Threshing bridge. : da en
  • GB583631A - Improvements in or relating to thermionic valve pulse generators : en
  • FR917122A - Process for transforming hydrocarbon oils : en fr
  • CA438715A - Quick adjustable wrench : en fr
  • CA438780A - Sulphite pulp digester relief gas absorbing means : en fr
  • US2412969A - Spinning process : en
  • FR917125A - Improvement in pressure casting processes : en fr
  • FR917176A - Hanging device applied to clothing : en fr
  • US2413225A - Internal-combustion turbine : en
  • US2413235A - Crotonic acid manufacture : en
  • USD146098S - Design for a flask : en
  • US2413236A - Evaporator unit : en
  • DK65262C - Game character for a magnetic Entertainment game. : da en
  • US2413192A - Cable slitting machine : en
  • USD146096S - Design for a class pin : en
  • CA438748A - Aluminum powder and resin spot facing material : en fr
  • FR917147A - Improvements to rail fastening systems on sleepers : en fr
  • US2413237A - Master safety valve with oven valve lock attachment : en
  • CA438771A - Lubricating method : en fr
  • FR917187A - Transmissions for motor vehicles allowing a gradual start-up with total or partial elimination of the gear change and the friction clutch : en fr
  • GB583684A - Improvements connected with tracks for sliding doors or the like : en
  • CA438772A - Refrigerating apparatus : en fr
  • US2412943A - Detergent composition for use in hard water : en
  • US2413203A - Mechanical movement : en
  • US2413101A - Solar still with nonfogging window : en
  • FR917099A - Torch heat deflector : en fr
  • GB583625A - Improvements in electric arc welding : en