• US2420980A - Tongs : en
  • US2420796A - Helicopter with laterally disposed lift rotors : en
  • AU1890445A - Improvements in valves for flushing cisterns : en
  • US2420920A - Diamond die drilling machine : en
  • US2420792A - Log carrier : en
  • CA441464A - Sound translating device : en fr
  • US2420916A - Protector shield for neckline, shoulders, and hair : en
  • AU1076147A - Improvements in hay sweeps : en
  • US2420877A - Broaching machine : en
  • AU139083B2 - Process to manufacture seamless steel tubes according tothe thrust bench system : en
  • CA441493A - Cellulosic structure : en fr
  • CA441514A - Polyhydroxy compound preparation : en fr
  • US2420831A - Electric lamp and bulb : en
  • US2420958A - Irrigator : en
  • US2420943A - Lighting equipment : en
  • US2420679A - Method of and apparatus for extracting juice and peel oil from whole citrus fruit : en
  • CA441420A - Interlocked flooring, panelling or facing : en fr
  • US2420686A - Hearing aid amplifier : en
  • US2420915A - Butadiene extraction : en
  • US2420981A - Fuel oil burner : en
  • CA441573A - Anode : en fr
  • US2420674A - Vertical gyro erection controller : en
  • FR921995A - Use of the free pendulum as a precision device for measuring time and for experimenting with gravitational forces, etc. : en fr
  • GB588249A - Improvements in explosives and fuels : en
  • CA441571A - Electron focussing system : en fr
  • CA441440A - Wheel structure : en fr
  • US2420659A - Method of processing fruit : en
  • US2420820A - Roller bearing : en
  • GB588350A - Improvements in or relating to linear dimension gauges : en
  • US2420985A - Indicating knob for switches and the like : en
  • FR921809A - Improvements made in the establishment of crucible or retort furnaces, and in particular metallurgical furnaces for annealing under high vacuum or with gas protection : en fr
  • GB588291A - Improvements in or relating to slatted shutters : en
  • US2420938A - Nitric acid as selective solvent in oxidation of naphthenes : en
  • CA441590A - Electric communication cable : en fr
  • US2420719A - Camera light protecting sleeve : en
  • US2420749A - Treatment of monocyclic olefinic hydrocarbons : en
  • FR921857A - New sawing process and related tool : en fr
  • GB588457A - Improvements in or relating to heating and ventilating systems for vehicles : en
  • AU1160847A - Improvements in or relating to moulding compositions and to moulded articles made therefrom : en
  • US2420811A - Glass-lifting or carrying device : en
  • US2420701A - Buffer : en
  • CA441488A - Polycarboxylic acid : en fr
  • US2420823A - Helicopter : en
  • FR921838A - Improvements to closed-circuit breathing apparatus, and in particular to those used for the administration of general anesthesia : en fr
  • FR921943A - Device facilitating the opening of a book at least in the vicinity of a determined page : en fr
  • GB588331A - Improvements relating to liquid flow control devices : en
  • GB588363A - Improvements in or relating to the drying of fish : en
  • IE18072L - Electric motors and generators : en
  • FR921775A - Marine jet thruster : en fr
  • GB588437A - A method of improving the resistance to corrosion of stainless iron and steel : en
  • FR921777A - Tamper-proof authentication process : en fr
  • CA441450A - Tension device : en fr
  • CA441539A - Laminated structure plies joining process : en fr
  • FR921891A - Method and apparatus for installing lateral boreholes in fluid-saturated terrain : en fr
  • AU124221B2 - Sterilising and hotwater unit : en
  • US2420784A - Helicopter with antitorque propellers : en
  • CA441574A - Connecting and operating mechanism for tractor drawn devices : en fr
  • US2420694A - Air drying mixed esters and process : en
  • CA441483A - Moulding compound manufacture : en fr
  • US2420936A - Flying coiler : en
  • FR921997A - Device for supplying fuel to internal combustion engines : en fr
  • FR921990A - Engine power indicator : en fr
  • FR921998A - Washing machine improvements : en fr
  • US2420793A - Vibratory drilling apparatus : en
  • GB588434A - Method and apparatus for removing iron from molten tin : en
  • GB588422A - Improvements in or relating to the manufacture of building bricks or the like : en
  • USD146809S - Robinson photographic spot light : en
  • FR921763A - Continuous flow coating dryer for road materials : en fr
  • FR921875A - Machine for gluing fabrics on table : en fr
  • FR921911A - Improvements to in-store safety razors : en fr
  • CA441541A - Nitric acid concentration : en fr
  • US2420658A - Device for handling flanged objects : en
  • AU1370544A - Improvements in and relating to superchargers for internal combustion engines : en
  • US2420815A - Process of producing expanded rubber material : en
  • FR921947A - Automatic and progressive clutch mechanism : en fr
  • GB588316A - Improvements relating to stuffing boxes : en
  • US2420740A - Frequency-doubling device for highfrequency oscillations : en
  • CA441640A - Fixation of pigments on textile fabrics : en fr
  • FR921948A - Luminescent coating for electric discharge devices : en fr
  • IE17946L - Rack for milk buckets : en
  • FR921856A - Process for the preparation of cellulose esters : en fr
  • CA441474A - Heating apparatus : en fr
  • AU1165747A - Improvements in relation to eye elements for dolls andthe like andan assemblage thereof : en
  • CA441500A - Polymerization process : en fr
  • US2420968A - Hot journal alarm apparatus : en
  • GB588442A - Improvements in ventilators and the like : en
  • GB588368A - Improvement in counting mechanisms : en
  • FR921914A - Treatment of materials to make them waterproof : en fr
  • US2420683A - Rod or pipe coupling : en
  • AU1167047A - Improvements in or relating to radio antenna arrangements : en
  • CA441461A - Equalizing hydraulic ram travel : en fr
  • CA441561A - Hydrocyanic acid production : en fr
  • GB588322A - Improvements in or relating to pistons : en
  • CA441504A - Thiol preparing process : en fr
  • AU1068847A - Improvements in game-playing apparatus : en
  • CA441637A - Heating apparatus for aircraft : en fr
  • US2420846A - Cathode-ray tube for generating oscillations : en
  • FR921766A - Improvements to articulated lamps for drawing tables and similar uses : en fr
  • GB588268A - Improvements in or relating to baths for electroplating with zinc or alloys consisting principally of zinc : en
  • IE17506L - Moulded pulp articles. : en
  • US2420873A - "rectox" motor control system : en
  • CA441499A - Polyamide article : en fr
  • US2420892A - Frequency modulation detector : en
  • US2420698A - Sewing machine support : en
  • AU139931B2 - An improved process and apparatus for treating liquids : en
  • US2420828A - Stacking machine : en
  • GB588290A - Improvements in or relating to sextants : en
  • US2420902A - Lubricating composition : en
  • US2420903A - Scaffold : en
  • AU135438B2 - Receiver circuit : en
  • AU1068047A - Improvements in and relating to boats and boat constructon : en
  • GB588473A - Improvements relating to rotary or milling cutters : en
  • US2420966A - Grain and roughage cutter and grinder : en
  • CA441515A - Marine flare : en fr
  • US2420730A - Treatment of polymers with acylamides and aldehydes : en
  • US2420829A - Ignitron, seal, and method of making : en
  • CA441430A - Shirt : en fr
  • FR921927A - Electric vapor discharge device : en fr
  • GB588247A - Improvements in or relating to electron velocity modulation devices : en
  • GB588426A - Process for the production of improved heat curable sheet materials : en
  • US2420746A - Automatic load releasing coupling or clutch for parachutes and the like : en
  • GB588449A - Improvements in doors or the like : en
  • US2420896A - Reciprocating expansible chamber motor with pilot controlled distributing valve : en
  • GB588494A - Improvements in fishing reels : en
  • FR921772A - Improvements to telephone systems : en fr
  • FR921979A - Improvements to electric switches actuated by thermal means : en fr
  • GB588242A - Radio glide path systems for landing aircraft : en
  • GB588243A - Improvements in or relating to explosives in liquid or semi-liquid form : en
  • FR921869A - Strip connector : en fr
  • GB588321A - Improvements in or relating to cigarette papers : en
  • GB588298A - Improvements in or relating to vitamin compositions : en
  • GB588400A - Improvements in and relating to a show-window stand for wrist-watch : en
  • GB588489A - Improvements in or relating to concrete posts : en
  • US2420960A - Method of making and finishing stockings : en
  • US2420761A - Process for treating a liquid with a suspension of solids by passage thereof througha separator, regenerating the separated solids for re-use with untreated liquid : en
  • US2420776A - Grading and cutting machine for preparing seed potatoes for planting : en
  • US2420777A - Thermostatic switch for hot-water supply : en
  • US2420827A - Electric clock : en
  • GB588278A - Improvements in or relating to door knobs : en
  • GB588487A - Improvements relating to hinges, particularly for clothes horses, draught screens and the like : en
  • GB588241A - Improvements in or relating to processes for increasing the resistance of metals to corrosion : en
  • GB588452A - Improvements in or relating to mountings for piezo electric crystals : en
  • FR921785A - Assembly of a crankshaft of a high-power heat engine : en fr
  • GB588296A - An improved comparator for measuring diameters : en
  • GB588446A - Braking system for assisting vehicle steering : en
  • US2420906A - Butadiene extraction : en
  • CA441581A - High tension electric fuzehead : en fr
  • FR921804A - Closure, such as padlock, cable tie, anti-theft and other applications : en fr
  • FR921876A - Slide rule : en fr
  • USD146783S - Design for a pingek ring : en
  • US2420714A - Releasable locking means for pivoting-traveling outer jaw wrenches : en
  • US2420926A - Polypentaerythritol esters of rosin acids : en
  • FI22207A - Protractor (nautical positions) : en fi
  • FR921819A - Method for draining the curd, and devices for carrying out this method : en fr
  • US2420769A - Maternity skirt : en
  • GB588354A - Process for the compression of foodstuffs into briquettes without the use of bindingagents : en
  • GB588496A - Improvements in or relating to gas analyzers : en
  • GB588301A - Improvements in, or relating to, blinds for vehicle windows : en
  • FR921451A - : fr
  • USD146795S - Design for a closure for a jar or similar article : en
  • GB588349A - Improvements relating to regulating means for fluid check devices for doors : en
  • FR921782A - Disinfectant and bactericidal products : en fr
  • CA441506A - Explosive rivet : en fr
  • FR921936A - Oscillographic device : en fr
  • GB588357A - Improvements relating to an actuating mechanism for a slidable window, roof or the like : en
  • US2420937A - Protective headgear : en
  • USD146788S - Combined ash tray and holder for smoker s articles : en
  • AU1784044A - Catamenial devices : en
  • FR922000A - Dry dock upgrades : en fr
  • FR921832A - Pressure regulator for airtight aircraft cabins : en fr
  • US2420898A - Foldable shelter tent : en
  • GB588470A - Improvements in or relating to electric protective relays : en
  • GB588430A - Improvements in or relating to machines for extracting cartridges from cartridge belts : en
  • GB588253A - Improvements in or relating to electric power and lighting installations : en
  • GB588348A - Improvements in guards for drilling or like machines : en
  • GB588378A - A machine for distributing insecticides : en
  • GB588292A - Improvements relating to wide frequency band radio amplifiers : en
  • AU124205B2 - 4 Improvements in and relating to means for determining and recording the stresses in wire ropes, chains andthe like : en
  • GB588433A - Improved method of softening water : en
  • FR921900A - Conditioner for molding sand with elastic wall container : en fr
  • US2420809A - Activators for terpene thiocyanoacylate insecticides : en
  • GB588445A - Improvements in a machine for splitting mica : en
  • AU136124B2 - Improvements in or relating to moulding compositions and to moulded articles made therefrom : en
  • CA441584A - Magnesium hydroxide manufacture : en fr
  • AU433446A - An improved device for holding a safety razorblade whilst being sharpened : en
  • GB588472A - Improvements in and relating to straight-edge rulers : en
  • FR921956A - Method and method of building prefabricated houses that can be immediately erected in a very short time : en fr
  • GB588272A - Improvements in or relating to water gas plants : en
  • GB588273A - Improvements in or relating to process and apparatus for thermoplastic injection-moulding : en
  • USD146808S - Design fob a box ob similar article : en
  • GB588476A - Improved means for swingably mounting two or more portions of a press cage in a screw expeller press : en
  • GB588307A - Improvements in or relating to impedance transformers : en
  • FR921888A - Improvements to voltage regulators : en fr
  • FR921955A - automatic code lighting : en fr
  • GB588402A - Improvements in or relating to the counting of electrical impulses : en
  • GB588371A - Improvements in or relating to electron discharge devices : en
  • FR921905A - Feeding Mechanism for Zipper Making Machines : en fr
  • US2420865A - Plug and switch box : en
  • GB588276A - Improvements in, or relating to, electric ceiling and like fans : en
  • US2420821A - Device for the manufacture of stockings : en
  • AU136166B2 - Refrigerated self service display case : en
  • AU124202B2 - Classifier apparatus : en
  • US2420743A - Lock : en
  • US2420808A - Registering mechanism : en
  • FR921626A - : fr
  • FR921963A - Improvements to vertical type files and binders : en fr
  • CA441585A - Rare earth metal casting : en fr
  • GB588356A - Improvements in or relating to electrical signalling systems : en
  • US2420967A - Turnstile antenna : en
  • CA441421A - Scraper : en fr
  • GB588306A - Speed controlling or governing device for internal combustion engines : en
  • AU135136B2 - Improvements in goli balls and methods of making same : en
  • CA441433A - Folding box : en fr
  • CA441436A - Curtain suspending means : en fr
  • AU124239B2 - Improvements in or relating to tubular metallic standards, poles masts andthe like : en
  • FR921896A - Improvement in spot welding : en fr
  • GB588255A - Compositions for inhibiting and destroying pathogenic micro-organisms : en
  • CA441485A - Polymeric material : en fr
  • USD146806S - Design for a fountain pen : en
  • US2420880A - Snap switch : en
  • US2420681A - Method of and apparatus for extracting juice from whole citrus fruit : en
  • CA441422A - Fracture splint : en fr
  • AU142832B2 - Improvements in or relating tothe preservation of rubber : en
  • US2420864A - Piezoelectric plastic material and method of making same : en
  • US2420977A - Adjustable window shade and curtain bracket : en
  • US2420753A - Wave-signal translating system : en
  • US2420732A - Portable hair drier : en
  • CA441555A - Polythene film-forming composition : en fr
  • AU124204B2 - Improvements in apparatus forthe production of crumpets andthe like : en
  • AU1134547A - Engine starters : en
  • US2420642A - Treating machine for opening hinged closure members on containers : en
  • US2420779A - Opposed piston engine : en
  • CA441508A - Copper compound of mercaptan derived from pinene : en fr
  • US2420895A - Ground clamp : en
  • US2420812A - Toothpick dispenser : en
  • US2420688A - Production of styrenes and other products : en
  • US2420724A - Method of depositing films of material : en
  • CA441516A - Modified vinyl chloride-fumaric ester copolymer : en fr
  • US2420664A - Belt loading device for subcaliber ammunition : en
  • AU659946A - Improvements in beam forming apparatus for for example, sound energy : en
  • FR921784A - Further training in injection pumps : en fr
  • AU1162347A - Process forthe production of moulded articles from materials containing cold swelling starch : en
  • US2420737A - Granulated carbon microphone : en
  • US2420810A - Process for the manufacture of high volatile carbon black : en
  • FR921866A - Method and device for damping the landing of airplanes : en fr
  • US2420763A - Hot seal cooling mechanism : en
  • FR921899A - Anti-clogging device applicable to firearms such as submachine guns : en fr
  • AU1995445A - Improvements in lifting gear for laying concrete pipes andthe like : en
  • FR921815A - Improvements to claw clutches, especially for machine tools : en fr
  • AU124220B2 - Improvements in broaching and like operations : en
  • CA441459A - Railway car coupler : en fr
  • AU137654B2 - Improvements in relation to eye elements for dolls andthe like andan assemblage thereof : en
  • FR921984A - Manufacturing process for dummies and sulfurized oils : en fr
  • US2420979A - Operating knob and escutcheon plate assembly : en
  • CA441481A - Hydrogenation catalyst : en fr
  • GB588420A - Improvements in electrical apparatus for measuring the potential of an electrostaticcharge : en
  • US2420843A - Wheel truck : en
  • US2420970A - Apparatus for delivering liquids and viscous materials : en
  • FR921791A - Device for fixing the handles to the brush mounts : en fr
  • FR921868A - Improvement in bicycle pumps : en fr
  • FR921764A - Device for connection to overhead power line or similar : en fr
  • US2420858A - Coupling : en
  • AU124226B2 - Improvements relating to filters : en
  • CA441475A - Magnetic core : en fr
  • US2420842A - Enclosed circuit breaker position indicator : en
  • US2420860A - High chair and tie for reenforcing rods : en
  • GB588314A - Improvements in transportable excavating apparatus : en
  • GB588359A - Improvements in or relating to the protection of electrical apparatus against voltage surges : en
  • US2420669A - Electrode structure : en
  • USD146820S - Design fob a toy high chair : en
  • US2420933A - Automatic volume control : en
  • US2420742A - Combination garment hanger : en
  • US2420962A - Industrial furnace : en
  • CA441451A - Sampling device : en fr
  • CA441631A - Bearing apparatus : en fr
  • USD146810S - Design for a bowl or similar article : en
  • US2420643A - Sewing machine : en
  • GB588353A - Improvements relating to the manufacture of factice and sulphurised oils : en
  • FR921796A - New device for fixing the spring on watch movements : en fr
  • GB588488A - Improvements relating to electrical automatic control systems : en
  • FR921929A - Movable electrode device for electric melting furnaces, in particular for glass melting furnaces : en fr
  • FR921865A - Improvements to two-stroke oleopneumatic machines : en fr
  • GB588387A - Improvements in shuttle guards for looms : en
  • FR921816A - Pocket lighters improvements : en fr
  • FR921926A - Anti-shock device for watch : en fr
  • GB588336A - Improvements in collapsible ladders for use as fire escapes and like purposes : en
  • FR921965A - Skirt guard net for bicycles and mopeds : en fr
  • GB588397A - Improvements in means for holding cards and other light articles or material : en
  • GB588453A - Improvements in and relating to a device for fastening a movement into a watchcase : en
  • FR921792A - Improvements in the arrangement of kitchen furniture or the like : en fr
  • FR921842A - Reciprocating crankset with concentric axes : en fr
  • GB588303A - Improvements in and relating to the driving gear of reciprocating internal comustionpower plant : en
  • USD146793S - Design foe a coat : en
  • US2420739A - Drying unit using steam jets : en
  • US2420930A - Reciprocating blade type slicing machine : en
  • FR921957A - Improvement to wheelbarrow or other one-wheeled vehicles : en fr
  • GB588279A - An improved machinery guard : en
  • FR921805A - Molding or milling machine for wooden soles or heels : en fr
  • GB588320A - Improvements in or relating to typewriter platens : en
  • GB588480A - Improvements relating to boring and other machines : en
  • US2420984A - Hydraulic pump : en
  • FR921802A - Oscillating Corridor Improvements : en fr
  • AU130175B2 - An improved device for holding a safety razorblade whilst being sharpened : en
  • AU1148447A - An improved process and apparatus for treating liquids : en
  • AU1160947A - Improvements in and relating tothe treatment of nylon thread, cord and like materials : en
  • FR921915A - Improvements to discharge fluorescent lamps : en fr
  • BE469368A - Slider closures improvements : en fr
  • CA441547A - Alkyl alkacrylate polymer stable dispersion : en fr
  • GB588334A - Improvements in the construction of football and like goals : en
  • IT421320B - : it
  • US2420712A - Coaxial cable and method of making same : en
  • CA441523A - Brimstone derivative preparing process : en fr
  • GB588264A - Flame-hardening devices : en
  • GB588455A - Improvements relating to motor fuels : en
  • AU1077747A - Screwdriver : en
  • AU135179B2 - Improvements in or relating to emulsion paints : en
  • FR921854A - Vacuum Tube Lattice Anode Refinements : en fr
  • GB588381A - Improvements in or relating to pressure transmitting liquids : en
  • US2420744A - High-frequency oscillator of the secondary electron-emission type : en
  • FR921774A - Cellulose manufacturing process : en fr
  • GB588274A - Improvements in driving gear for presses and other machines : en
  • FR921885A - Machine tool working metal : en fr
  • FR921817A - Further development of compressed air blow guns : en fr
  • US2420723A - Electric trap : en
  • FR921903A - Improvements to regulator adjustment devices : en fr
  • GB588295A - Improvements in fluorescent products and methods of preparation thereof : en
  • GB588428A - Improvements in or relating to non-corrosive ethylene glycol and aqueous solutions thereof : en
  • AU1489844A - Improvements in electrical bridges : en
  • US2420721A - Condenser tube packing : en
  • USD146794S - Design for a scarf holder : en
  • CA441479A - Sulphonyl chloride production : en fr
  • FR921938A - Superheterodyne receiver : en fr
  • AU1165647A - Improvements in relation to eye elements for dolls andthe like andan assemblage thereof : en
  • US2420932A - Control system for airplanes : en
  • AU138698B2 - Screwdriver : en
  • CA441512A - Synthetic resin adhesive : en fr
  • AU1094047A - Improvements relating to the heat treatment of heat-resisting alloys and of articles of parts made therefrom : en
  • CA441447A - Electric motor : en fr
  • CA441612A - Zinc base alloy : en fr
  • US2420644A - Flameproofing of fabrics and composition therefor : en
  • AU131070B2 - Improvements in solar heating devices : en
  • AU136966B2 - A device for regulating the supply of current to electric Motors during the starting thereof : en
  • AU132986B2 - Improvements in condensing zinc vapor : en
  • CA441606A - Shelf structure : en fr
  • AU433146A - A process and apparatus for continuously burning lime : en
  • AU135141B2 - Improvements in bath heaters : en
  • AU139294B2 - Plasticized vinyl resin-composition incorporating diester-amide : en
  • US2420653A - Kiln charging means and method : en
  • AU136677B2 - Undergarment : en
  • FR921906A - Machine for the manufacture of zippers : en fr
  • US2420803A - Movable combination derrick floor and engine base : en
  • AU1073247A - Improvements in eye shields : en
  • AU1081447A - Pump and air separator units : en
  • AU124189B2 - Catalytic conversion of hydrocarbons andthe catalyst therefor : en
  • AU147581B2 - A process for producing an electrically conducting coating on glass and like nonporous silicous articles to produce electrical resistance devices : en
  • AU124219B2 - Ferromagnetic variable high frequency inductor : en
  • CA441566A - Fire extinguisher : en fr
  • CA441576A - Bearing : en fr
  • CA441610A - Zinc base alloy : en fr
  • FR921849A - Automatic or semi-automatic devices for consulting information by electrical means : en fr
  • FR921877A - AC Discharge Tube Improvements : en fr
  • USD146805S - Design fob a card and poker chip rack : en
  • US2420780A - Dual time control device : en
  • CA441582A - Intermediate explosive primer : en fr
  • AU1169847A - Improvements relating to Electroplating : en
  • AU133058B2 - Improvements in and relating to boats and boat constructon : en
  • AU135175B2 - House form assembly : en
  • FR921985A - Improvements to leaf detectors : en fr
  • GB588310A - Improvements in electric high-frequency tuning devices : en
  • GB588338A - Improvements in electric heater members for apparatus for permanently waving the hair : en
  • CA441454A - Form clamping support : en fr
  • CA441529A - Electroplating of tin : en fr
  • AU368146A - Improvements in and relating to deadend couplings : en
  • GB588361A - Improvements in or relating to governor control : en
  • GB588404A - Improvements in or relating to mudguards for the wheels of perambulators and the like : en
  • AU131809B2 - Improvements in and relating to caravans, portable buildings andthe like : en
  • CA441562A - Switch construction : en fr
  • GB588497A - Manufacture of new highly polymeric linear esters and the production of filaments, fibres and the like therefrom : en
  • AU124198B2 - Improvements in or relating to pens : en
  • FR921760A - New fabric, its manufacturing process and its applications : en fr
  • CA441423A - Moulded shingle : en fr
  • CA441453A - Carbureter : en fr
  • FR921853A - Gear switch : en fr
  • GB588267A - Improvements in and relating to gun turrets : en
  • CA441456A - Conveyer : en fr
  • FR921828A - Articulated swivel support for ancillary components of polishing machines : en fr
  • FR921761A - Pump device or rotary piston motor for high pressure fluids : en fr
  • FR921912A - Piloting device : en fr
  • FR921935A - Cascade stabilizer tube : en fr
  • GB588263A - Improvements relating to liquid filled electrical apparatus : en
  • AU1691544A - 4 Improvements in and relating to means for determining and recording the stresses in wire ropes, chains andthe like : en
  • US2420923A - Hay baler for forming perforated bales : en
  • GB588454A - Improvements in or relating to the dyeing of wool : en
  • AU1166247A - Improvements in or relating to disc harrows : en
  • CA441428A - Steering device for vehicles : en fr
  • GB588407A - Improvements in suction hydro-extractors : en
  • US2420660A - Manifolding assembly : en
  • AU2030245A - Improvements in safety razors : en
  • FR921758A - Improvements to devices for mixing, diluting, emulsifying, etc. : en fr
  • GB588374A - A method of and apparatus for cultivating micro-organisms : en
  • US2420833A - Railway roadbed : en
  • AU1161447A - Aryl substituted branched-chain alkanes : en
  • CA441630A - Crimping or pleating method : en fr
  • FR921787A - Valve lift and return control mode : en fr
  • GB588259A - Improvements in or relating to loose-leaf files or the like : en
  • GB588333A - Improvements in door mats and the like : en
  • FR921860A - dispenser case for pasty product such as lipstick, for example : en fr
  • GB588330A - An improved construction of dandyroll for paper-making machines : en
  • GB588286A - Arrangements for preventing flashing at conductor gaps of electric traction systems : en
  • GB588439A - Improvements in means for treating fodder : en
  • FR921835A - Device for adjusting two-piece metal props : en fr
  • FR921897A - Deformable tube for pasty materials : en fr
  • FR921893A - Improvements relating to the making of leather straps : en fr
  • FR921765A - Improvements to chain derailleurs for cycles and the like : en fr
  • AU124191B2 - Improvements relating to sound translating devices ofthe moving coil type : en
  • US2420695A - Sewing machine : en
  • US2420727A - Quick circuit change for electrically actuated devices : en
  • USD146798S - Larsen helicopter : en
  • FR921846A - Lighting fixtures improvements : en fr
  • US2420756A - Method of making patterns : en
  • US2420824A - Fluid removal device for drying drums : en
  • CA441448A - Grain unloading chute : en fr
  • CA441528A - Chlorinated hydantoin : en fr
  • US2420857A - Electric discharge device oscillator with nonlinear grid leak resistor : en
  • AU2029545A - Improvements in and relating to sealing glands fora ram or piston or press member actuated by air pressure : en
  • AU1068747A - Improvements in goli balls and methods of making same : en
  • FR921972A - Method and loom for knitting : en fr
  • GB588416A - Improvements in or relating to electronic circuit arrangements for generating voltages of rectangular waveform and/or pulses of short duration : en
  • FR921968A - Kettle lid : en fr
  • GB588289A - Means for the supplementary propulsion of cycles by oscillation of the handlebars : en
  • US2420735A - Treatment of protein with acids and product resulting therefrom : en
  • CA441468A - Refrigerating apparatus : en fr
  • AU1650544A - Improvements relating to electromagnetic relays : en
  • FR921767A - Diagonal traction ski binding by long strap with device allowing the heel of the boot to be lifted at will : en fr
  • CA441595A - Ultra high frequency circuit : en fr
  • US2420852A - Recovery of alumina from ores : en
  • FR921892A - Improvements made or relating to restraint systems : en fr
  • CA441603A - Thermostatic control : en fr
  • CA441490A - Alloy-skeleton metal sulphide catalyst : en fr
  • CA441551A - Nitrile preparing process : en fr
  • CA441463A - Combustible gas dehumidification : en fr
  • CA441600A - Snow-clearing machine : en fr
  • CA441559A - Co-oxidation reaction : en fr
  • US2420731A - Facsimile apparatus : en
  • US2420775A - Thermostatic switch : en
  • AU124193B2 - Improvements in and relating tothe preparation in powdered form of milk-containing mashed potatoes : en
  • AU136393B2 - V-dipole antenna : en
  • CA441534A - Polyvinyl acetal resin manufacture : en fr
  • US2420790A - Stonecutting clamp : en
  • CA441580A - Electric fuzehead manufacture : en fr
  • AU1168147A - Process to manufacture seamless steel tubes according tothe thrust bench system : en
  • FR921798A - New process for manufacturing opaque, translucent or transparent plates and panels, based on plastic materials, comprising inscriptions, labels, flgurines or other decorations of various colors : en fr
  • FR921833A - Process for stabilizing egg yolk, the product thus obtained and its applications, in particular for the extraction of lecithin : en fr
  • AU1084447A - Improvements in bath heaters : en
  • CA441596A - Alternator : en fr
  • US2420645A - Sickle grinder : en
  • USD146800S - Design for a camera : en
  • US2420682A - Chain wrench : en
  • CA441638A - Heating apparatus for aircraft : en fr
  • AU137655B2 - Improvements in relation to eye elements for dolls andthe like andan assemblage thereof : en
  • US2420921A - Retaining ring : en
  • GB588265A - Improvements in or relating to heat exchange apparatus : en
  • AU1421844A - Catalytic conversion of hydrocarbons andthe catalyst therefor : en
  • AU693146A - Improvements in and relating tothe manufacture of self-locking or stiff' nuts : en
  • USD146812S - Design fok a hand luggage case : en
  • AU1947445A - Improvements in broaching and like operations : en
  • AU124237B2 - Improvements in valves for flushing cisterns : en
  • US2420751A - Phase calculating device : en
  • US2420782A - Hand fan : en
  • AU137942B2 - Clips or connectors for use in constructing structures, models, toys andthe like : en
  • FR921786A - Control of a pump relief valve : en fr
  • GB588376A - Improvements in or relating to connecting arrangements of the plug and socket type for electric conductors : en
  • US2420726A - Photographer's film numbering box : en
  • AU124214B2 - Improvements relating tothe recovery of hemimellitene : en
  • FR921836A - Improvements with insecticide bombs : en fr
  • FR921978A - Electric scale : en fr
  • FR921988A - Acid dyes of the anthraquinone series and their preparation process : en fr
  • GB588412A - Improvements in fastening means, especially for bar or rail-like elements : en
  • FR921904A - Production of low carbon silicon steel : en fr
  • FR921921A - Preparation of peanut protein : en fr
  • GB588467A - Improvements in and relating to the control of steam heating more especially in connection with drying apparatus : en
  • US2420667A - Pulling-on machine : en
  • US2420680A - Peel oil and juice extraction by fluid pressure : en
  • US2420893A - Compounded lubricating oil : en
  • FR921976A - Apparatus for making glass fibers : en fr
  • FR921994A - Improvements in the production of floors for buildings : en fr
  • FR921952A - Improvements to rocket launchers : en fr
  • FR921960A - Improvements in the production of metanilamidodiazines and intermediates in the preparation thereof : en fr
  • GB588332A - Improvements relating to hydraulic accumulators : en
  • GB588405A - Improvements in or relating to the grinding of drill bits : en
  • FR921887A - self-opening and closing case or case : en fr
  • GB588463A - Improvements in and relating to kettles, boiling pans and the like : en
  • GB588444A - Improvements relating to metal working and like presses : en
  • GB588246A - Improvements in electrical safety switch devices : en
  • GB588429A - A friction hinge device particularly applicable to endless tracks for vehicles : en
  • FR921975A - Manufacture of colored nylon masses and articles : en fr
  • GB588460A - Improvements in or relating to driving mechanism for motor cycles : en
  • GB588436A - Improvements in buoyant electric cables : en
  • US2420879A - Transparent thermal insulation : en
  • AU135286B2 - Improvements relating to the heat treatment of heat-resisting alloys and of articles of parts made therefrom : en
  • FR921949A - Sealings of conductors in quartz or the like : en fr
  • FR921973A - Manufacture of vulcanized polymeric materials : en fr
  • IE18073L - Dynamo-electric windings : en
  • FR921821A - Process for obtaining refined aluminum from waste aluminum alloys : en fr
  • FR921864A - Further development of automatic bottle washing machines : en fr
  • FR921852A - Diffuser of volatile products : en fr
  • GB588410A - New monoazo dyestuffs : en
  • GB588466A - An improved manufacture of solidified mineral oils : en
  • GB588261A - Improvements in or relating to master cylinders for setting up hydraulic pressure : en
  • FR921813A - Astatic flow regulator device : en fr
  • GB588304A - Means for discharging material into vertical kilns and for like purposes : en
  • US2420677A - Fender pile : en
  • US2420897A - Shielded spark plug connector : en
  • US2420678A - Citrus peel oil extraction : en
  • US2420822A - Air filter for carburetors : en
  • US2420924A - Pneumatic bearing protective system for train pipes and signal lines : en
  • US2420697A - Sewing machine : en
  • AU781846A - An improved rack or holder for tools or other articles : en
  • US2420925A - Charge forming device : en
  • GB588425A - Improvements in or relating to coating compositions and to fabrics coated therewith : en
  • US2420856A - Ship drive and control system : en
  • FR921769A - Electric remote control : en fr
  • GB588293A - Improvements in or relating to ultra high frequency electron discharge apparatus : en
  • GB588325A - Improvements in or relating to foundry moulding machines : en
  • FR921910A - Improvements made to suspension files : en fr
  • FR921882A - Improvements to Lawn Mowers and Similar Tools : en fr
  • GB588343A - Packages and methods for making same : en
  • FR921831A - Method and device for strengthening living beings of the animal kingdom : en fr
  • FR921967A - Process and apparatus for the purification of oils containing sludge and / or water : en fr
  • FI22208A - For the preparation of an amino acid preparation for intravenous use : en fi
  • US2420728A - Seat stabilizer : en
  • FR921999A - Floating dock : en fr
  • FR921755A - Lighting device for observing an inaccessible object located in a cavity closed by a transparent optical surface : en fr
  • FR921781A - Transmission system for televised views or documents : en fr
  • FR921870A - New board game : en fr
  • GB588299A - Improvements in apparatus for transporting articles from one station to another : en
  • US2420817A - Remote control apparatus for electric motors : en
  • US2420983A - Method of and machine for packaging : en
  • US2420830A - Fastener-applying implement : en
  • USD146801S - Combined keyboard and tape printer for electrical computing apparatus : en
  • GB588300A - Improvements in or relating to roller blind and like indicators : en
  • GB588419A - Improvements in or relating to frequency changers : en
  • US2420650A - Self-sharpening shears : en
  • US2420844A - Short exposure x-ray apparatus : en
  • US2420733A - Fastener receptacle : en
  • US2420736A - Treatment of protein with acids and furfuryl alcohol and product resulting therefrom : en
  • USD146807S - Design for a signal light : en
  • GB588323A - Improvements in building construction and in building blocks therefor : en
  • FR921850A - Process for the recovery of hard metals and alloys : en fr
  • CA441457A - Gypsum composition : en fr
  • AU1159147A - A device for regulating the supply of current to electric Motors during the starting thereof : en
  • US2420863A - Dry press insulating fire brick : en
  • AU140272B2 - Improvements in or relating to gyro vertical : en
  • US2420931A - Apparatus for generating involutes : en
  • CA441501A - Process for obtaining cork-like products from polymers of ethylene : en fr
  • CA441578A - Sheet-metal structure : en fr
  • FR921889A - Varnishes for straighteners and the like : en fr
  • GB588393A - Improved joining means for pre-formed walls : en
  • US2420948A - Machine for relasting shoes and slippers : en
  • US2420908A - Metallic cartridge belt link : en
  • AU137748B2 - Improvementsin radio-distance measuring systems : en
  • US2420752A - Collar attachment : en
  • AU1087047A - Continuous electroplating system and method of operating it : en
  • AU1161347A - Undergarment : en
  • AU1166747A - Improvements in or relating to wheeled toys : en
  • AU1932745A - Improvements in footwear : en
  • US2420805A - Pack stand : en
  • US2420974A - Seat covering : en
  • US2420711A - Gage for measuring the wall thickness of annular bearing members : en
  • US2420918A - Spent bobbin receiver for weft replenishing looms : en
  • GB588366A - Improvements in building blocks and constructions : en
  • AU1169247A - Improvements in or relating to roof structures andthe like : en
  • USD146802S - Design for a jacket : en
  • US2420854A - Tire carrier : en
  • US2420703A - 2-sulfanilamidopyrazine : en
  • FR921773A - Stylograph : en fr
  • GB588329A - Process for the manufacture of artificial filaments or yarns resembling wool : en
  • US2420687A - Dehydration of emulsions : en
  • GB588294A - Process of treating cellulosic textile yarns, fabrics, and other cellulosic fibrous materials to render them resistant to rotting : en
  • GB588438A - Improvements in, and relating to, the manufacture of files : en
  • AU1068647A - Parachute and shroud therefor : en
  • AU132449B2 - Improvements in game-playing apparatus : en
  • CA441607A - Electric space discharge circuit : en fr
  • AU144817B2 - Process for bleaching cellulosic fibres : en
  • AU1165847A - Improved compositions forthe prevention and destruction of weeds : en
  • CA441458A - Printing machine : en fr
  • CA441608A - Lens coating apparatus : en fr
  • GB588262A - Improvements relating to crates or carriers for bottles and the like : en
  • US2420641A - Process for preparing dl-histidine and intermediates therefor : en
  • US2420949A - Carboxyalkyl cellulose ether fibers and films of good wet strength : en
  • CA441621A - Continuous gluing machine : en fr
  • US2420913A - Taper snap switch : en
  • USD146804S - Condiment shaker or similar article : en
  • CA441467A - Milker support : en fr
  • IE17465L - Liquid atomisers. : en
  • CA441465A - Telephone system : en fr
  • US2420791A - Diazo compounds of the pyrazolone : en
  • CA441525A - Tetrafluoroethylene stabilization : en fr
  • US2420700A - Exhaust pipe attachment : en
  • CA441611A - Zinc base alloy : en fr
  • AU1158947A - Clips or connectors for use in constructing models, toys andthe like : en
  • AU1961345A - Improvements in or relating to water softening and flocculation of suspended solids in aqueous liquids : en
  • US2420757A - Heat exchange assembly : en
  • CA441455A - Footwear : en fr
  • USRE22882E - Housing fob electric switches : en
  • AU124231B2 - Improvements in or relating to water heaters : en
  • CA441509A - Fuel container : en fr
  • FR921799A - Development device for industrial or other photographic papers : en fr
  • AU143064B2 - Method of desiccating a viscous substance : en
  • CA441639A - Electric conductor : en fr
  • AU124218B2 - Improved process forthe manufacture of polyvinyl fluoride and product thereof : en
  • CA441532A - Copolymer of vinyl chloride : en fr
  • US2420654A - Microarea precision locator : en
  • FR921829A - Ephemeris block at constant level : en fr
  • AU1072847A - Refrigerated self service display case : en
  • AU124212B2 - Improvements in travelling grates for furnaces : en
  • AU133655B2 - Aluminium alloy having' low coefficient of expansion : en
  • AU137941B2 - Clips or connectors for use in constructing models, toys andthe like : en
  • FR921959A - Bottle with detacher cap : en fr
  • GB588328A - Improvements in or relating to aerial transformer housings : en
  • CA441599A - Cultivator : en fr
  • CA441618A - Measuring or checking apparatus : en fr
  • US2420845A - Short exposure x-ray apparatus : en
  • AU145857B2 - Aliphatic branched-chain olefins : en
  • AU124213B2 - Remote control system : en
  • CA441567A - Aplite treating method : en fr
  • US2420672A - Geophysical prospecting : en
  • CA441553A - Organic sulphide obtaining process : en fr
  • GB588377A - Improvements in and relating to the production of furan derivatives : en
  • AU1169347A - Improvements in converter type electron discharge devices : en
  • US2420708A - Beer meter : en
  • US2420709A - Self-locking mold : en
  • FR921753A - Hair dryer improvements : en fr
  • US2420713A - Impulsing circuit : en
  • AU124235B2 - Catamenial devices : en
  • GB588340A - Improvements in curtain-supporting fixtures : en
  • US2420662A - Fuze : en
  • AU443846A - Improvements in and relating to parachutes : en
  • AU134868B2 - Improvements in and relating tothe treatment of nylon thread, cord and like materials : en
  • US2420813A - Multiplaten press and loading means therefor : en
  • AU1341944A - Classifier apparatus : en
  • AU137134B2 - Engine starters : en
  • AU1734644A - Improvements in and relating to pistons : en
  • AU140958B2 - Improvements in or relating to wheeled toys : en
  • US2420987A - Mine cable cutter : en
  • USD146791S - Design for a button ob similar article : en
  • FR921837A - Improvements to deformable tube caps : en fr
  • FR921757A - Device for remote control of an electric motor in one direction or the other : en fr
  • US2420996A - Clutch control mechanism : en
  • FR921756A - Needle for making knitted or crocheted articles, and for re-stitching such articles and stockings : en fr
  • US2420988A - Bowling ball cleaner and polisher : en
  • CA441435A - Parachute with rotatable sustaining blades : en fr
  • AU2021845A - Improvement in edge scrapers for electrolytic tinning lines andthe like : en
  • AU124190B2 - Synchronising and phasing arrangements for electric facsimile transmission systems : en
  • US2420767A - Clutch controlling device : en
  • FR921928A - High stability automotive suspension by lamellar flexion member : en fr
  • AU124233B2 - Insulated cables and methods of making thesame : en
  • CA441568A - Polyfluorocycloparaffin preparing process : en fr
  • AU133080B2 - Frothing mechanism : en
  • AU1840645A - Bonded refractories for furnace linings : en
  • CA441513A - Polymerization of acrylic compounds : en fr
  • FR921908A - Improvements in plastic molding : en fr
  • AU124199B2 - Improvements in safety razors : en
  • AU1576444A - Wave conversion : en
  • CA441446A - Paper machine selecting apparatus : en fr
  • CA441495A - Sulphonic acid production : en fr
  • USRE22881E - Method of photographically re : en
  • AU139082B2 - Improvements in or relating to radio antenna arrangements : en
  • US2420691A - Evaporator : en
  • US2420945A - Combination toolholder and steady arm : en
  • FR921898A - Safety razor and its blade : en fr
  • CA441605A - Lithium compound production : en fr
  • USD146797S - Design for a game board : en
  • US2420684A - Machine for use in the manufacture of shoes : en
  • USD146792S - Design for a jacket : en
  • CA441613A - Electrically heated fabric : en fr
  • US2420689A - Process for producing nuclear substituted dimethyl styrenes from asymmetric dixylyl ethanes : en
  • CA441425A - Orthopedic insole : en fr
  • AU1767144A - Improvements in or relating to venting arrangements forthe fuel system of airplanes : en
  • FR921918A - Sealing for high pressure mercury vapor devices : en fr
  • CA441616A - Oil-base drilling fluid : en fr
  • US2420668A - Filler fixture having a wear ring and a support ring : en
  • CA441548A - Synthetic film : en fr
  • AU1162047A - Improvements in or relating to refrigerating evaporators : en
  • AU1925545A - Ferromagnetic variable high frequency inductor : en
  • CA441489A - Hydrogen cyanide reaction : en fr
  • CA15427S - Footwear : en
  • US2420835A - Drawing board and straightedge : en
  • US2420867A - Transfer apparatus : en
  • CA441452A - Knitting machine welt forming method : en fr
  • CA441478A - Nitroparaffin production : en fr
  • US2420646A - Method of detecting flaws in metal : en
  • CA441628A - Truck and freight car heater : en fr
  • CA441620A - Cooking device : en fr
  • CA441449A - Effluvium production process : en fr
  • FR921862A - Valveless air compressor device : en fr
  • FR921822A - Gyro-magnetic compass compensates for irregularities of movement : en fr
  • FR921851A - Construction process : en fr
  • FR921966A - Improvements to annular seals : en fr
  • US2420872A - Circuit breaker : en
  • US2420894A - Collision guard : en
  • FR921800A - Automatic device for replacing defective lamps in electronic organs : en fr
  • AU1154947A - Rouleau turner : en
  • CA15413S - Fastener for belting : en
  • FR921797A - Improvements to socket outlets : en fr
  • GB588411A - Improvements in or relating to the production of filaments, fibres and other shaped articles or forms from highly polymeric materials : en
  • US2420772A - Combination signal and radio aerial : en
  • GB588287A - Improvements in or relating to compressors or motors of the helical lobe rotor type : en
  • AU1160747A - Improvements in or relating to emulsion paints : en
  • AU1489944A - Improvements in apparatus for measuring relative displacement orthe thicknesses of materials : en
  • CA441623A - High angle joint assembly : en fr
  • CA441518A - Chlorinated methylene-bis-dimethyl hydantoin : en fr
  • AU1125847A - House form assembly : en
  • AU124228B2 - Improvements in apparatus for measuring relative displacement orthe thicknesses of materials : en
  • CA441497A - Lactam preparing method : en fr
  • CA441552A - Chloride of methane manufacture : en fr
  • AU1083947A - Improvements in condensing zinc vapor : en
  • US2420670A - Disintegrator screen : en
  • US2420702A - Amino-aliphatic hydrazines and process for making same : en
  • CA441434A - Toy blocks and container : en fr
  • CA441517A - Hydroxyl containing interpolymers of ethylene : en fr
  • FR921944A - Bra with cup support device : en fr
  • US2420720A - Method of preparing coated compositions : en
  • US2420927A - Screening and conveying means for the solids of oil separating tanks : en
  • AU136394B2 - Improvement in wave-signal translating system : en
  • GB588373A - Improvements in wound protectors : en
  • FR921847A - Molecular distillation apparatus : en fr
  • AU1161047A - Improvements relating to fluid operated brake systems : en
  • CA441476A - Electric valve motor control system : en fr
  • AU124203B2 - Improvements in means for electrically controlling metal bar shearing machines : en
  • FR921894A - Electromagnetic automatic hammer : en fr
  • FR921924A - Improvements to concrete mixers with tilting tanks : en fr
  • FR921977A - Glass fiber blanket : en fr
  • GB588337A - Improvements in the manufacture of piston and other split rings : en
  • GB588475A - Process for the production of new and useful polymeric materials : en
  • US2420706A - Shroud for machines : en
  • CA441470A - Valve mechanism : en fr
  • GB588251A - Shoe and method of making same : en
  • GB588478A - Improved means for detachably securing rigid panels to supports : en
  • FR921983A - Wheel for baby carriages and similar uses : en fr
  • GB588266A - An improved method of and means for the corner mounting of cards and the like : en
  • CA441593A - Velocity modulation tube control system : en fr
  • CA441419A - Film processing apparatus : en fr
  • CA441629A - Fuel tank closure : en fr
  • FR921970A - Improvements to slide magazines : en fr
  • GB588342A - Improvements in air filters : en
  • FR921954A - Pocket inhaler : en fr
  • FR921987A - Improvements made to the devices to facilitate the holding and folding of the boxes cut to form folded packages : en fr
  • AU135180B2 - Improvements in silencers : en
  • CA15428S - Footwear : en
  • US2420788A - Compounding of rubber : en
  • USD146787S - Design fob a marble-game toy : en
  • GB588435A - Improvements in or relating to sheet material comprising polyvinyl chloride compositions : en
  • US2420807A - Electric horn control system : en
  • GB588399A - An improved combination fitting or unit for nurseries, creches, maternity homes, training centres and the like : en
  • US2420910A - Hydraulic jack : en
  • GB588256A - Improvements in or relating to manufacture of aliphatic amines : en
  • GB588440A - Means for the remote control of telephonographs : en
  • GB588495A - Improvements in the covering of electric wires and the like : en
  • GB588450A - Improvements in or relating to conveyors : en
  • USD146818S - Design fob a coax : en
  • GB588406A - Improvements in textile steaming or ageing machines : en
  • US2420799A - Shoulder pad for garments : en
  • AU616646A - Aluminium alloy having' low coefficient of expansion : en
  • AU1422544A - Synchronising and phasing arrangements for electric facsimile transmission systems : en
  • CA441622A - Textile article treating apparatus : en fr
  • FR921880A - Improvements in the construction of furnace vaults : en fr
  • GB588317A - Improvements relating to current conversion units for wireless apparatus and other services : en
  • US2420875A - Heating apparatus : en
  • US2420907A - Spring bumper and draft gear : en
  • FR921886A - Coupling enhancements : en fr
  • GB588308A - Improvements in and relating to rotary biscuit moulding machines : en
  • AU377246A - Method and apparatus forthe gasification of brown coal : en
  • CA441563A - Suction cleaning apparatus : en fr
  • GB588352A - Improvements in or relating to land mines for military purposes : en
  • USD146819S - Textile fabric or similar article : en
  • US2420794A - Offset wheel construction for trailers : en
  • US2420795A - Carbonating apparatus : en
  • AU137683B2 - Improvements in or relating to refrigerating evaporators : en
  • CA441507A - Chemical composition : en fr
  • GB588474A - An improved branch connection unit for pipe lines : en
  • FR921902A - Improvements to circuit tuning systems : en fr
  • GB588369A - Improvements in or relating to thermopiles : en
  • FR921790A - Stylograph refinements : en fr
  • FR921844A - Improvements to so-called guard tanks for liquid foodstuffs : en fr
  • GB588448A - Improvements in and relating to gun turrets : en
  • FR921939A - Drive and guide device for thin ribbons : en fr
  • FR921843A - Partitioned crucibles for high-frequency heating : en fr
  • FR921895A - Improvements to braking devices : en fr
  • US2420934A - Manufacture of glassware : en
  • GB588468A - Improvements in non-refillable bottle closures : en
  • US2420665A - Shoe machine : en
  • US2420656A - Efficiency measuring device : en
  • US2420911A - Methyl vinyl polysiloxane-methyl methacrylate copolymers : en
  • GB588483A - Improvements in or relating to flexible chains : en
  • FR921795A - New toy : en fr
  • US2420774A - Garment with adjustable cup sizes : en
  • US2420955A - Method of making optical bodies : en
  • GB588271A - Improvements in and relating to laundry drying machines, tumblers or the like : en
  • FR921807A - Mobile folding carcass with electric lamp to constitute a hot chamber after installation in the interior of the bedding : en fr
  • FR921840A - Work trolley for handling small boxes with handles or others : en fr
  • GB588346A - Improvements in or relating to machines adapted for setting rivets, tags or like barrelled articles : en
  • FR921934A - Electric resistance of constant value : en fr
  • GB588396A - An improved form of full way plug cock : en
  • GB588344A - Improvements in or relating to machines controlled by documents containing records : en
  • GB588383A - Improvements in power driven seats or chairs : en
  • CA441586A - Delay action initiator for explosive charges : en fr
  • CA441636A - Mechanical release : en fr
  • CA441487A - Pulverulent material : en fr
  • FR921648A - : fr
  • GB588432A - Means for automatically controlling the supply of liquid fuel to a prime mover : en
  • US2420671A - Magnetic recorder : en
  • GB588358A - Improvements in and relating to granular fertilizers : en
  • IE17619L - Electrolytic cels : en
  • FR921759A - Process for preserving wheat germ and products obtained by this process : en fr
  • FR921803A - Process for obtaining colored relief views : en fr
  • GB588335A - Improvements in sheet metal or like furniture or other structures : en
  • FR921989A - Luminescent tube holder : en fr
  • GB588345A - An improved film-feed indicator for kinematograph projectors : en
  • GB588318A - Improvements in philatelic show cards and packets : en
  • GB588389A - Improvements in or relating to suspension devices for road vehicles : en
  • GB588395A - Improved electrical indicator system : en
  • FR921863A - Advanced mounting for telegraphy or cordless telephony receivers : en fr
  • GB588270A - Improvements in or relating to textiles and methods of treating the same : en
  • CA441494A - 1,3-dioxolane modified organic product : en fr
  • US2420841A - Picker-stick driving mechanism for looms : en
  • GB588355A - Improvements in and relating to public address and like systems : en
  • GB588258A - Improvements in or relating to flares : en
  • US2420649A - Hydraulic torque amplifier : en
  • US2420718A - Seal construction : en
  • US2420869A - Nail and tack holder and finger guard : en
  • FR921925A - Improvements to radiant arm wall dryers : en fr
  • US2420647A - Vapor generator : en
  • US2420773A - Display box with adjustable bottom : en
  • US2420787A - Extension table : en
  • US2420891A - Analyzer : en
  • US2420957A - Warp let-off motion of looms for weaving : en
  • US2420989A - Method and apparatus for polishing flat glass : en
  • FR921806A - Pressurized gas production method for controlling the tripping of electrical circuit breakers : en fr
  • GB588360A - Improvements in apparatus for generating electrical impulses : en
  • AU1077847A - Latch bolt and keeper combination : en
  • FR921400A - : fr
  • GB588384A - Improvement in roller chain : en
  • FR921820A - Maintenance products for parquet, woodwork, linoleum, tiles and the like : en fr
  • AU124242B2 - Improvements relating tothe conversion of fluid reactants inthe presence of subdivided solid contact material : en
  • US2420956A - Optical bodies composed of silver chloride and silver sulfide and method of making same : en
  • CA441556A - Adhesive composition : en fr
  • US2420851A - Method of making patterns and use thereof : en
  • US2420717A - Cross chain for antiskid tire chains : en
  • AU135139B2 - Improvements in hay sweeps : en
  • AU2020545A - Improvements in or relating to pens : en
  • AU1121847A - Improvements in or relating to electric resistance potentiometers : en
  • AU1911545A - Improved process forthe manufacture of polyvinyl fluoride and product thereof : en
  • USRE22880E - Bonded joint or section of elastic : en
  • US2420959A - Combined drink mixer and dispenser : en
  • CA441511A - Nitroethylene derivative preparing process : en fr
  • FR921945A - Straight hosiery loom for the manufacture of pile knitwear : en fr
  • AU130055B2 - Method and apparatus forthe gasification of brown coal : en
  • US2420885A - Combination clothes hanger : en
  • CA15430S - Deodorant : en
  • CA441477A - Phase shifting circuit : en fr
  • AU130231B2 - Improvements in and relating to deadend couplings : en
  • CA441565A - Closure for containers : en fr
  • US2420866A - Coupling for suction cleaners : en
  • AU136771B2 - Improvements relating to Electroplating : en
  • CA441592A - Cable barrier joint : en fr
  • AU931143A - Improvements relating to filters : en
  • US2420826A - Strain relief for electrical conductors : en
  • AU136778B2 - 4'Improvements relating to Diazotype Light-Sensitive Material : en
  • US2420978A - Ladder tape : en
  • AU124186B2 - Improvements in and relating to superchargers for internal combustion engines : en
  • CA441498A - Polymerization process : en fr
  • GB588250A - Improvements in or relating to apparatus for fixing rings on grooved pins and the like : en
  • US2420663A - Water-cooled ammunition rack : en
  • US2420940A - Gas purifier and compressor : en
  • FR921922A - Control for cooling unit : en fr
  • CA441546A - Visible light transparent plastic sheet : en fr
  • GB588408A - Improvements in or relating to toys : en
  • AU1167347A - Frequency modulation arrangements and condensers for use therein : en
  • AU1421744A - Mechanically stabilized shapes of polystyrene andthe like and method of producing such shapes : en
  • CA441492A - Polymeric material : en fr
  • US2420648A - Apparatus for determining the water vapor content of aviation breathing oxygen : en
  • AU175746A - Improvements in and relating tothe manufacture of self-locking or stiff' nuts : en
  • AU1165047A - Improvements in silencers : en
  • CA441614A - Gauging device : en fr
  • US2420935A - Evaporating set : en
  • USD146785S - Design fob a tkipod : en
  • US2420874A - Clock-actuated electric control means : en
  • CA441439A - Wheel structure : en fr
  • AU1158647A - V-dipole antenna : en
  • FR921991A - Anti-theft device for vehicle wheels : en fr
  • US2420975A - Process of producing a solid pentachloropropane : en
  • US2420765A - Dynamic balancer : en
  • AU148435B2 - Improved compositions forthe prevention and destruction of weeds : en
  • US2420834A - Production of cyclic mono-sulfones : en
  • USD146814S - Design for a whirling toy : en
  • US2420729A - Dyeing with indigoid vat dyestuffs : en
  • AU1158247A - Improvements in fluid sealing devices and apparatus provided therewith : en
  • AU1080547A - Improvements relating tothe control of aircraft : en
  • CA15419S - Figurine : en
  • FR921827A - Assembly fittings for demountable boxes and boxes obtained by this assembly : en fr
  • CA441569A - Cathode ray tube : en fr
  • GB588248A - Improvements in or relating to gravity slicing machines for slicing meat, bread and the like : en
  • CA441564A - Container handling and coating apparatus : en fr
  • CA441589A - Multiconductor telephone cable : en fr
  • US2420748A - Tumbling mill : en
  • AU135640B2 - Parachute and shroud therefor : en
  • FR921981A - Method and device for twisting strands of metal wires or cables or ropes from strands : en fr
  • GB588459A - Improvements in and relating to egg cups or holders : en
  • FR921871A - Detachable strap for watches and ID tags : en fr
  • FR921789A - Method and device for producing photo or cinematographic trichromy : en fr
  • FR921932A - Manufacturing process of antibiotic substances and resulting products : en fr
  • FR921859A - Reinforced concrete structures on arches or supported trusses and their construction process : en fr
  • GB588385A - Improvements in and relating to rotary fans : en
  • US2420887A - Audible timer : en
  • GB588451A - Improvements in or relating to revolving cylinder reciprocating pumps : en
  • FR921826A - Shoe sole and its assembly process : en fr
  • AU1161547A - Aliphatic branched-chain olefins : en
  • GB588417A - Improvements in or relating to thermionic valve circuit arrangements : en
  • GB588469A - Process for imparting a transparent or organdie effect to fibres or fabrics : en
  • FR921913A - Stitching marks : en fr
  • FR921890A - Magnetically damped measuring system : en fr
  • CA441473A - Power distribution system : en fr
  • GB588398A - Improvements in and relating to metal-working machine and other tables : en
  • FR921830A - Device for carrying out multiple measurements, in particular for checking the operation of motors : en fr
  • GB588490A - Improvements relating to artificial teeth : en
  • FR921879A - Improvements in the manufacture of metallic fabrics : en fr
  • GB588481A - Improved fluid pressure press : en
  • US2420839A - Adjustable skein holder : en
  • US2420914A - Converter construction and control : en
  • GB588391A - Improvements in ball bearings : en
  • GB588319A - Improvements in or relating to apparatus for projecting loose material in the form of a stream : en
  • US2420762A - Means for adding values : en
  • US2420889A - Circuit interrupter : en
  • US2420993A - Air conditioning apparatus : en
  • CA441598A - Dirt scraping and hauling vehicle : en fr
  • GB588386A - Improvements in containers : en
  • FR921841A - Combi boiler with multiple heating options : en fr
  • FR921834A - Iron stove : en fr
  • USD146789S - Design foe a refrigerator cabinet : en
  • FR921823A - Oscillating cylinder for explosion or internal combustion engine : en fr
  • FR921950A - Polymer manufacturing : en fr
  • GB588362A - Improvements in or relating to blasting explosives : en
  • FR921873A - Board game : en fr
  • FR921953A - Freewheeling improvements : en fr
  • GB588280A - Improvements in and relating to sifters for face powder boxes : en
  • GB588365A - Improvements relating to electronic control systems : en
  • AU124227B2 - Improvements in electrical bridges : en
  • FR921814A - Improvements to pregnancy sheaths : en fr
  • GB588431A - Improvements in or relating to machines for the recovery of rubber from tyres : en
  • AU136995B2 - Improvements relating tothe control of aircraft : en
  • US2420819A - Portable sea water still : en
  • AU1994745A - Improvements in and relating tothe preparation in powdered form of milk-containing mashed potatoes : en
  • CA441560A - Titanium compound production : en fr
  • AU124188B2 - Mechanically stabilized shapes of polystyrene andthe like and method of producing such shapes : en
  • CA441480A - Ferrous metal sulphide catalyst : en fr
  • CA441619A - Animal fibre carroting method : en fr
  • AU124217B2 - Improvements in or relating to servo brake operating mechanism for vehicles : en
  • AU1857645A - Improvements in or relating to servo brake operating mechanism for vehicles : en
  • CA441554A - Colour yielding photographic element : en fr
  • US2420804A - Tire chain : en
  • CA441624A - Glycol production : en fr
  • AU1155747A - Improvements in or relating to gyro vertical : en
  • US2420797A - Excavation angle : en
  • AU1954545A - Sterilising and hotwater unit : en
  • CA441544A - Coated methyl methacrylate polymer : en fr
  • AU1158047A - Improvements in or relating to valve sleeving apparatus for bags : en
  • AU124194B2 - Improvements in lifting gear for laying concrete pipes andthe like : en
  • CA441540A - Alkali cellulose production : en fr
  • AU372746A - Improvements- in and relating to a machine for producing welded wire fabric : en
  • FR921771A - Closure device for bearings and axle boxes : en fr
  • FR921884A - Disc brake improvements : en fr
  • IE17646L - Electric discharge lamps : en
  • AU136623B2 - Pump and air separator units : en
  • GB588315A - Improvements relating to flying boats, seaplanes, hydroplanes and like analogous craft : en
  • GB588372A - Improvements in or relating to crabs and the like for overhead cranes : en
  • CA441444A - Petrol filter : en fr
  • FR921788A - Warning station for the call of firefighters or the police, transmitting and receiving by t. s. f. : en fr
  • GB588424A - Improvements in or relating to book supports or rests : en
  • GB588456A - Improvements in portable electric lamps or torches : en
  • GB588498A - Improvements in supports and suspension means for wall and ceiling lining boards, sheets or slabs : en
  • AU1629344A - Improvements in or relating to water heaters : en
  • US2420965A - Vibrating motor-driven exercising machine that causes waist bending : en
  • US2420954A - Electrolytic production of succinic acid from butyrolactone : en
  • GB588414A - Improvements relating to lawn mowers : en
  • US2420705A - Bookbinding machine : en
  • GB588375A - A method of utilizing the natural heat of the earth to generate electrical power : en
  • GB588260A - Improvements in or relating to jib cranes : en
  • US2420802A - Selective-speed telegraph code instruction system : en
  • AU130583B2 - Improvements in and relating to harrows : en
  • CA441443A - Fruit jar lifter : en fr
  • FR921919A - Luminescent substances : en fr
  • FR921931A - Pocket-spring surface enhancements : en fr
  • CA441542A - Sheet material manufacture : en fr
  • AU1163647A - A process for producing an electrically conducting coating on glass and like nonporous silicous articles to produce electrical resistance devices : en
  • CA441472A - Triple wheel : en fr
  • FR921996A - Helicopter lift upgrades : en fr
  • GB588464A - Improvements in or relating to mounting devices for outboard motors or like detachable engines : en
  • FR921881A - Advanced refrigeration unit : en fr
  • FR921920A - Seals in glass for electrical conductors : en fr
  • FR921923A - Advanced Electric Lamp for Miners : en fr
  • US2420882A - Basket : en
  • GB588486A - Fairleads for cables, ropes and the like : en
  • GB588367A - Improvements in fire bricks and the production of same : en
  • US2420901A - Instrument holder construction for dental units and the like : en
  • FR921808A - Book holder : en fr
  • US2420696A - Sewing machine : en
  • GB588441A - Improvements in and relating to high pressure lubricating guns : en
  • US2420722A - Apparatus for coating surfaces : en
  • AU138213B2 - Latch bolt and keeper combination : en
  • AU1718144A - Insulated cables and methods of making thesame : en
  • CA441557A - Tape fabricating process : en fr
  • FR921958A - Molding machine for foundry work : en fr
  • FR921779A - Handbrake control, especially for motor vehicles : en fr
  • GB588239A - Improvement in aluminium-coated iron or steel and process of producing the same : en
  • FR921783A - Method and device for recording and reproducing sounds in variable density in push-pull using color films : en fr
  • US2420785A - Valve : en
  • US2420963A - Closing flap for envelopes and the like : en
  • CA441482A - Diolefine preparing process : en fr
  • US2420832A - Reel end alarm : en
  • US2420905A - Drill sampling device : en
  • US2420741A - Nut driver : en
  • US2420734A - Toilet soap novelty : en
  • US2420745A - Posture chair : en
  • US2420917A - Carburetor : en
  • USD146816S - Design fok an articulated animal figure : en
  • CA441502A - Gel making process : en fr
  • US2420685A - Fastening inserting machine : en
  • CA441587A - Fuel container : en fr
  • USD146811S - Design for a stroller : en
  • AU460546A - Receiver circuit : en
  • US2420657A - Tuner : en
  • AU137442B2 - Engine starter : en
  • CA441491A - Polymeric material : en fr
  • US2420837A - Fuse plug : en
  • US2420881A - Regulating system : en
  • US2420951A - Optical apparatus for determining angles : en
  • AU124238B2 - Improvements relating to power transmission mechanisms : en
  • AU1167947A - Improvements in or relating tothe preservation of rubber : en
  • AU124195B2 - Improvement in edge scrapers for electrolytic tinning lines andthe like : en
  • AU124215B2 - Bonded refractories for furnace linings : en
  • USD146803S - Little meat chopper : en
  • US2420904A - Conversion of hydrocarbons : en
  • AU1580644A - Improvements relating to sound translating devices ofthe moving coil type : en
  • US2420871A - Control system and telemetering circuit : en
  • US2420971A - Multitemperature refrigerator : en
  • CA441442A - Power chain saw frame : en fr
  • US2420675A - Driving shaft and bearing support therefor in walking dragline machine : en
  • FR921811A - Process for treating tars, phenols and pitches obtained by this process : en fr
  • AU1151547A - Diaphragm Type Spring for Electrical Regulators : en
  • FR921752A - Rocket propelled toys : en fr
  • GB588275A - Improvements in or relating to the manufacture of parquet surfaces : en
  • GB588471A - Improvements in and relating to shaft seals : en
  • AU1785444A - Improvements relating tothe recovery of hemimellitene : en
  • FR921909A - Aircraft : en fr
  • AU124192B2 - Improvements in or relating to water softening and flocculation of suspended solids in aqueous liquids : en
  • AU1490144A - Improvements relating tothe conversion of fluid reactants inthe presence of subdivided solid contact material : en
  • AU1685744A - Improvements in apparatus forthe production of crumpets andthe like : en
  • CA441632A - Locomotive construction : en fr
  • US2420690A - Piston packing ring assembly : en
  • CA441594A - Broadcasting antenna system : en fr
  • CA441530A - Sulphonamide colour-former : en fr
  • US2420673A - Navigation device : en
  • CA441429A - Neckband for collars and shirts : en fr
  • GB588392A - Improved methods of producing electrical insulation on electrical apparatus : en
  • GB588484A - Improvements in or relating to pressure or vacuum gauges : en
  • US2420768A - Electric switch : en
  • FR921861A - Process for the treatment of finely pulverized powders and ores : en fr
  • CA441427A - Tree grubber : en fr
  • AU124207B2 - Improvements in and relating to pistons : en
  • AU439046A - Improvements in and relating to caravans, portable buildings andthe like : en
  • US2420986A - Article for simulating animation : en
  • AU131161B2 - Improvements in or relating to refrigeration distribution systems : en
  • AU124230B2 - Parasitic oscillation elimination : en
  • US2420651A - Ignition device : en
  • AU131028B2 - A process and apparatus for continuously burning lime : en
  • GB588380A - Improvements in or relating to the production of synthetic resins suitable for use as cation exchangers : en
  • CA441538A - Relief image production : en fr
  • US2420738A - Paper powder can : en
  • US2420922A - Control system : en
  • AU131129B2 - An improved rack or holder for tools or other articles : en
  • CA441601A - Photographic apparatus : en fr
  • AU137361B2 - Continuous electroplating system and method of operating it : en
  • US2420798A - Apparatus for and process of taking and showing sound motion pictures : en
  • FR921941A - Driving and steering wheel improvements : en fr
  • FR921878A - Sophisticated process for recovering high concentration glycerin in a soap factory : en fr
  • US2420886A - Application of solid lubricant coatings to surfaces : en
  • GB588409A - New monoazo dyestuffs : en
  • GB588388A - Improvements in electrical remote control auxiliary ship steering gear : en
  • USD146799S - Design fob a helicopter : en
  • US2420953A - Lubricant : en
  • GB588257A - Massage table : en
  • US2420888A - Oil circuit interrupter : en
  • US2420939A - Air conditioning apparatus : en
  • US2420825A - Mechanical power unit : en
  • US2420840A - Gas purifier and compressor : en
  • US2420855A - Chuck electric motor control : en
  • US2420655A - Fluid circulating heat exchanger : en
  • FR921751A - Device for turning parts of clothing : en fr
  • US2420950A - Commutated transformer : en
  • CA441533A - Chlorinated resin : en fr
  • FR921951A - Manufacture of chlorine dioxide : en fr
  • GB588465A - Means for attaching building boards to t or other section rails : en
  • US2420850A - Mixing faucet for dispensing beverages : en
  • US2420961A - Pilot controlled steam distributing valve for reciprocating expansible chamber motors : en
  • CA441625A - Spark control : en fr
  • CA441633A - Locomotive construction : en fr
  • GB588324A - Improved rack or support for cutlery and like articles : en
  • FR921810A - Improvements to simultaneous pulling and developing machines : en fr
  • USD146817S - Design for a suit : en
  • US2420699A - Mailbox : en
  • CA441545A - Ethyleneurea derivative : en fr
  • US2420982A - Article-feeding mechanism : en
  • FR921824A - New phone key : en fr
  • CA441524A - Tetrafluoroethylene stabilization : en fr
  • US2420969A - Hot journal alarm apparatus : en
  • AU136123B2 - Radio receiver sequence tuner : en
  • AU136753B2 - Diaphragm Type Spring for Electrical Regulators : en
  • CA441519A - Electrodeposition of zinc : en fr
  • AU124200B2 - Improvements in and relating tothe manufacture of self-locking or stiff' nuts : en
  • CA15426S - Footwear : en
  • US2420781A - Magazine heating stove with gas : en
  • US2420868A - Diversity combining circuit : en
  • US2420972A - Shoe sole press : en
  • US2420764A - Directional propeller control : en
  • US2420849A - Valve : en
  • US2420861A - Tatting shuttle : en
  • US2420760A - Gravity projector : en
  • US2420707A - Dehumidifier : en
  • GB588245A - Electrical connector : en
  • GB588283A - Improvements in or relating to sulphur-containing lubricants : en
  • AU132987B2 - Improvements in or relating to roof structures andthe like : en
  • US2420704A - Bobbie pin holder : en
  • FR921992A - Propulsion mechanism for rower : en fr
  • GB588312A - Improvements in or relating to permanent magnet assemblies : en
  • GB588341A - Improvements in or relating to air compressors : en
  • GB588418A - Improvements in or relating to the mounting of electric switches on wall surfaces and the like : en
  • AU124236B2 - Venetian blinds : en
  • GB588339A - Improvements in or relating to steerable undercarriage legs for aircraft : en
  • CA441418A - Shelter : en fr
  • FR921946A - Manufacturing process of insulating panels or tiles : en fr
  • AU1158147A - 4'Improvements relating to Diazotype Light-Sensitive Material : en
  • FR921375A - : fr
  • FR921930A - Process for the preparation of new substantive azo dyes : en fr
  • GB588282A - Improvements in the control of electric currents flowing for short periods as in welding : en
  • AU1166647A - Process for bleaching cellulosic fibres : en
  • GB588237A - Tuning systems for high-frequency electrical oscillators, amplifiers and mixers : en
  • FR921982A - Surge protection device : en fr
  • CA441634A - Weighing mechanism for textile machines : en fr
  • AU124225B2 - Wire coil insert : en
  • AU132067B2 - Improvements in beam forming apparatus for for example, sound energy : en
  • AU124223B2 - Improvements in and relating to apparatus for generating mechanical vibrations : en
  • US2420806A - Pump : en
  • US2420942A - Electric discharge device and circuit therefor : en
  • US2420770A - Shoe heel insert and heel : en
  • AU1159047A - Clips or connectors for use in constructing structures, models, toys andthe like : en
  • FR921794A - Improvements to electrical junction devices : en fr
  • CA441426A - Closure for containers : en fr
  • AU131069B2 - Improvements- in and relating to a machine for producing welded wire fabric : en
  • CA441615A - Gauging device : en fr
  • AU124232B2 - Improvements relating to electromagnetic relays : en
  • FR921855A - Method and device for maintaining the tightness of a vacuum chamber wall, in which a moving part is inserted : en fr
  • US2420750A - Process for polymerizing conjugated butadienes in the presence of a hexa-aryl ethane, and products thereof : en
  • CA441575A - Heater : en fr
  • US2420783A - Belt hook package : en
  • AU124211B2 - Improvements in or relating to venting arrangements forthe fuel system of airplanes : en
  • FR921776A - Truss : en fr
  • AU1915645A - Improvements in or relating to tubular metallic standards, poles masts andthe like : en
  • FR921867A - Improvements to telescopic legs : en fr
  • GB588347A - Improvements in and apparatus for separating or sorting granular particles by pneumatic means : en
  • CA441602A - Thermostatic switch : en fr
  • CA441432A - Conduit : en fr
  • CA441588A - Sorting machine : en fr
  • FR921874A - Triode vacuum tube : en fr
  • GB588379A - Improvements in or relating to the driving means of conveyors and elevators for granular material : en
  • IE18401L - Shuttle checks for looms : en
  • AU137329B2 - Frequency modulation arrangements and condensers for use therein : en
  • AU446246A - Improvements in or relating to refrigeration distribution systems : en
  • AU1908345A - Improvements relating to power transmission mechanisms : en
  • US2420661A - Grenade adapter : en
  • US2420715A - Tube construction : en
  • FR921801A - Board game : en fr
  • FR921858A - Device for automatic recall and blocking of moving parts, in particular of aircraft wheels : en fr
  • CA441535A - Polymerization of vinyl acetate : en fr
  • FR921883A - Chlorinated rubber adhesive enhancements : en fr
  • GB588491A - Improvements in or relating to record-card controlled accounting machines : en
  • CA441627A - Variable pitch propeller control : en fr
  • US2420870A - Closure for nonrefillable containers : en
  • GB588413A - Improvements in a tape sealer : en
  • US2420900A - Treating hydrocarbon fluids : en
  • GB588285A - Improvements in tops : en
  • GB588423A - Improvements in speed reduction gears : en
  • FR921986A - Improvements to liquid level measuring devices : en fr
  • CA441471A - Fluid pressure control : en fr
  • US2420778A - Tube coupling : en
  • FR921964A - Ball bearing : en fr
  • GB588288A - Improvements in or relating to dowels : en
  • FR921933A - Process for the preparation of vinyl polymers, resulting products and their applications : en fr
  • AU137633B2 - Improvements relating to fluid operated brake systems : en
  • FR921872A - Electronic phasemeter device for low currents : en fr
  • FR921768A - Additive photoengraving process for printing rollers on fabrics : en fr
  • GB588326A - Improvements in or relating to explosive cartridges for plaster shooting : en
  • US2420652A - Method and apparatus for making artificial piezoelectric elements : en
  • CA441503A - Fabric for balloon casings : en fr
  • US2420859A - Aluminum phosphate bonded diamond abrasive : en
  • USD146813S - Design for a pin or similar article : en
  • US2420754A - Terminal panel : en
  • AU1165147A - Plasticized vinyl resin-composition incorporating diester-amide : en
  • CA441521A - Hydroxythiol producing process : en fr
  • GB588269A - Improvements in or relating to garment hangers : en
  • GB588458A - Improvements relating to removable bearing bushes for supporting a boring or like spindle : en
  • US2420944A - Weed remover : en
  • US2420716A - Reading aid for the blind : en
  • US2420928A - Dialkoxyaryl trichloromethyl methane compounds as insecticides : en
  • FR921762A - Device intended to condense the vapors and mists released during the cooking of food and similar operations : en fr
  • GB588401A - Improvements in pulley mountings : en
  • US2420848A - Material excavating and loading machine : en
  • FR921974A - Modification of the properties of polyamides : en fr
  • GB588443A - Locking pin : en
  • US2420640A - Demountable pallet crib : en
  • CA441496A - Amide group containing compound : en fr
  • US2420725A - Coupling : en
  • US2420853A - Hydraulic turbine : en
  • AU139486B2 - Aryl substituted branched-chain alkanes : en
  • CA441583A - Calcium carbonate manufacture : en fr
  • US2420836A - Tractor-mounted log-holding power-operated saw : en
  • AU124224B2 - Improvements in and relating to sealing glands fora ram or piston or press member actuated by air pressure : en
  • GB588370A - Improvements in or relating to electron discharge devices : en
  • IE17926L - Motor vehicle bodies : en
  • CA441527A - Nitroparaffin derivative production and esterification : en fr
  • GB588313A - A method and apparatus for liberating starch from starch slush, fibres and fruit water by centrifugal separation : en
  • GB588447A - An improved process for the manufacture of sheet material of the suedette type and material so produced : en
  • AU1165247A - Improvement in wave-signal translating system : en
  • AU124201B2 - Improvements in and relating tothe manufacture of self-locking or stiff' nuts : en
  • AU139961B2 - Improvements in eye shields : en
  • US2420990A - Portable excavator : en
  • AU124240B2 - Improvements in footwear : en
  • AU143529B2 - Improvements in or relating to disc harrows : en
  • US2420771A - Knitting machine and method : en
  • US2420919A - Timing control system : en
  • AU123857B2 - Wave conversion : en
  • AU2020645A - Improvements in and relating to apparatus for generating mechanical vibrations : en
  • AU2045445A - Wire coil insert : en
  • AU1074447A - Linear polythioesters and method of preparing same : en
  • US2420800A - Shipping block : en
  • US2420992A - Tool for removing cartridge core tubes in radiators : en
  • CA441486A - Saturated hydrocarbon reaction : en fr
  • US2420890A - Fluid pressure control system : en
  • CA441558A - Nitro compound manufacture : en fr
  • AU1151447A - Engine starter : en
  • AU126365B2 - Improvements in and relating to parachutes : en
  • US2420766A - Section mold : en
  • AU1823944A - Venetian blinds : en
  • FR921793A - Spark plug improvements : en fr
  • GB588281A - Procedure and apparatus for continuously coating strip metal : en
  • CA15418S - Plaque or tray : en
  • AU1632944A - Improvements in means for electrically controlling metal bar shearing machines : en
  • CA15421S - Electric heater : en
  • FR921916A - Improvements to means of support of radiant heat sources such as infrared ray lamps : en fr
  • US2420838A - Pipe joint : en
  • CA441577A - Hydraulic steering motor and shimmy dampener for aeroplane landing gear wheels : en fr
  • AU1085747A - Method of desiccating a viscous substance : en
  • CA441510A - Luminescent cast synthetic resin article : en fr
  • AU471946A - Improvements in and relating to harrows : en
  • US2420912A - Preparation of alkenyl-substituted chlorosilanes : en
  • US2420976A - Illuminated sign : en
  • US2420816A - Position control system : en
  • CA441438A - Collapsible wardrobe : en fr
  • CA441522A - Polyfluoro organic acid salt : en fr
  • CA441626A - Propeller pitch changing mechanism : en fr
  • US2420710A - Ejector fork : en
  • CA441550A - Hydrocyanic acid manufacture : en fr
  • US2420941A - Combined picking table and screen of the drag-conveyor type : en
  • US2420952A - Loom selvage needle : en
  • GB588482A - Improvements in the mounting and suspension of magnetic detector units : en
  • GB588462A - Improvements in or relating to the decoration of fibrous surfaces : en
  • US2420818A - Sleeve press : en
  • USD146790S - Button or similar article : en
  • CA441536A - Racket string : en fr
  • US2420755A - Apparatus for mining : en
  • AU1082047A - Frothing mechanism : en
  • CA441417A - Parachute : en fr
  • CA441537A - Catalyst activating process : en fr
  • AU137191B2 - Linear polythioesters and method of preparing same : en
  • AU143855B2 - Process forthe production of moulded articles from materials containing cold swelling starch : en
  • GB588252A - Improvement in fluid pressure control systems : en
  • FR921907A - Device for variable-pitch propellers, rotating machines with mobile blades, etc. : en fr
  • GB588327A - Improvements relating to deceleration control apparatus for vehicles : en
  • US2420878A - Loss-of-load relaying : en
  • GB588309A - Improvements relating to clamping devices for connecting wires together electrically : en
  • CA441445A - Concrete form support : en fr
  • CA441505A - Thermoplastic composition : en fr
  • CA441570A - Electron gun : en fr
  • CA441431A - Jointed mannequin doll : en fr
  • CA441635A - Parachute : en fr
  • AU1539044A - Parasitic oscillation elimination : en
  • CA441572A - Electrodeposition of manganese : en fr
  • AU1163547A - Improvements relating to hypodermic syringes : en
  • US2420994A - Shuttle box binder for looms : en
  • AU1768844A - Improvements in travelling grates for furnaces : en
  • AU137270B2 - Improvements in converter type electron discharge devices : en
  • US2420991A - Portable excavator : en
  • AU137815B2 - Improvements in or relating to valve sleeving apparatus for bags : en
  • CA441441A - Automatic door catch : en fr
  • CA441597A - Electrical rotary contact device : en fr
  • CA441466A - Pulverizing, feeding and transporting of materials : en fr
  • IE17618L - Synthetic resin coatings : en
  • US2420747A - Trimming machine : en
  • GB588492A - Improvements in or relating to record-card controlled machines : en
  • FR921993A - Improvements in the production of notching machines : en fr
  • CA441469A - Engine starting mechanism : en fr
  • CA441462A - Bitumen adhesivity for mineral aggregates : en fr
  • US2420884A - Variable voltage motor control system : en
  • CA441520A - Modified methyl methacrylate composition : en fr
  • CA441424A - Brassiere : en fr
  • GB588477A - A new or improved machine for applying surface finish to concrete and like slabs : en
  • CA441617A - Plasticized organic composition : en fr
  • FR921754A - Improvements to devices to increase the field of optical instruments : en fr
  • GB588305A - Improvements in and relating to resilient cemented carbide articles and methods and apparatus of manufacturing them : en
  • US2420899A - Engine fuel control : en
  • US2420946A - Flying hood release system : en
  • CA441609A - Zinc base alloy : en fr
  • GB588421A - An improved building block or the like : en
  • AU1774844A - Remote control system : en
  • US2420847A - Vehicle axle mounting : en
  • US2420862A - Stabilization of vinyl aromatic compounds with gaseous diolefins or acetylenes : en
  • FR921962A - Helicopter training : en fr
  • GB588394A - Improvements in or relating to curtain runners : en
  • US2420883A - Process for the production of toluene : en
  • US2420758A - Antiskid chain : en
  • GB588351A - Improvements in or relating to portable motor driven nibbling tools : en
  • FR921812A - Combi cooker with removable element : en fr
  • FR921818A - Improvements to the control device of hydraulically operated lapping machines : en fr
  • AU446146A - Improvements in solar heating devices : en
  • CA441460A - Railway car brake : en fr
  • FR921839A - Convertible lamp base : en fr
  • FR921901A - Removable tire for wheels with twin tires : en fr
  • GB588311A - Improvements in or relating to shearing and cutting-off dies : en
  • US2420759A - Shaping machine : en
  • USD146784S - Combination article carrying and display device : en
  • US2420789A - Flame damper and muffler : en
  • US2420801A - Processes for production of hexachlorethane : en
  • US2420973A - Cultivator plow : en
  • USD146796S - Combined baby chair and end table : en
  • USD146815S - Design fob a chain tie clasp : en
  • CA441531A - Resin of high chlorine content : en fr
  • US2420947A - Holder for charts : en
  • GB588390A - Improvements in nickel-iron alloys and springs made therefrom, especially for thermo-compensated oscillating systems : en
  • US2420676A - Submarine signaling apparatus : en
  • CA441579A - Capsule manufacture : en fr
  • CA441543A - Electrical insulation : en fr
  • CA441549A - Process of metal coating light metals : en fr
  • US2420964A - Exhaust conduit : en
  • USD146786S - Design fob a game board : en
  • FR921778A - Natural draft oil burner : en fr
  • US2420995A - Clutch mechanism : en
  • GB588238A - Improvements in or relating to apparatus for controlling electronic streams in thermionic valves or the like : en
  • GB588415A - Improvements in or relating to machines for forming the ends of metal pipes : en
  • FR921780A - System for fixing tails, handles and handles in insulating molded material on enamelled household items : en fr
  • FR921825A - Process for gasification of non-volatile liquid fuels and apparatus for its implementation : en fr
  • FR921917A - Improvements to the operating circuits of electric discharge lamps : en fr
  • GB588479A - Improvements in and relating to receivers for frequency modulated electrical oscillations : en
  • GB588244A - Improvements in and relating to variable throttle valves for hydraulic driving mechanisms : en
  • FR921770A - Lubricating device for axle boxes of railway vehicles : en fr
  • AU133517B2 - Improvements relating to hypodermic syringes : en
  • FR921937A - Device for measuring resistance and checking circuits : en fr
  • GB588284A - New and improved liquid circulation system for cooling internal combustion engines : en
  • GB588277A - Process for recovering quinoline in concentrated or purified form from mixtures thereof with other bases : en
  • AU133878B2 - Improvements in fluid sealing devices and apparatus provided therewith : en
  • FR921971A - Helicopter : en fr
  • US2420909A - Manufacture of hydrogen chloride : en
  • FR921942A - Device adaptable to a cooking utensil to collect the overflowing liquid : en fr
  • CA441526A - Tetrafluoroethylene stabilization : en fr
  • AU1158447A - Radio receiver sequence tuner : en
  • FR921848A - Insulated shank container for heating food or various materials : en fr
  • GB588461A - Multicylinder engine detonation measurement : en
  • GB588302A - Improvements in or relating to bricks and brickwork : en
  • GB588364A - Device for tuning a cavity resonator : en
  • CA441591A - Electron discharge apparatus : en fr
  • GB588254A - Method of manufacturing a preparation regulating the acidity of the gastric juice : en
  • US2420876A - Machine for surface finishing action on materials : en
  • US2420929A - Chevron packing ring : en
  • AU1158547A - Improvementsin radio-distance measuring systems : en
  • US2420997A - Switch mechanism : en
  • FR921980A - False twist apparatus : en fr
  • GB588403A - Valve system for hydraulic pumps and motors : en
  • US2420666A - Hydro-pneumatic recuperator for guns : en
  • US2420692A - Ceramic dielectric composition : en
  • CA441437A - Structural element : en fr
  • US2420693A - Modulated radio pulse remote control system : en
  • US2420786A - Degasser for internal-combustion engines : en
  • US2420814A - Knife sharpening apparatus : en
  • FR921961A - Improvements in the production of metanilamidodiazines : en fr
  • GB588427A - Improved means for securing articles to walls and the like : en
  • CA15425S - Packing for pragile articles : en
  • CA441484A - Polymeric material : en fr
  • GB588297A - Improvements in or relating to adsorbers : en
  • FR921845A - Device applicable to railway car sorting installations : en fr
  • AU136252B2 - Rouleau turner : en
  • CA441604A - Aircraft control apparatus : en fr
  • GB588493A - Improvements in illuminated sign devices : en