• CH242171A - Process for the production of identification documents bearing a photograph of the owner. : de en
  • CH242131A - Dismountable furniture. : de en
  • US2399521A - Wax compositions : en
  • US2399300A - Filling apparatus and valve : en
  • US2399535A - Spring group : en
  • CA434523A - Cereal treating method : en fr
  • AU121326B2 - Tuning indicator : en
  • CH242179A - Copy frame. : de en
  • CH242180A - Automatic mechanical pencil. : en fr
  • US2399476A - Camera : en
  • US2399229A - Alarm system : en
  • US2399211A - Method of perforating well casings : en
  • US2399377A - Arc welding system : en
  • US2399516A - Quick disconnect coupling : en
  • CH242185A - Toy in the form of gymnastics equipment with gymnast. : de en
  • US2399443A - Desiccated virus vaccines and process of producing same : en
  • AU132290B2 - Altimeter : en
  • USD144562S - Design fob a bracelet ob similar abxicle : en
  • AU121312B2 - Guard for presses : en
  • CH242199A - Device for driving the barrel axis by friction, for winding a timepiece. : en fr
  • CH242132A - Caster foot for furniture. : en fr
  • DK64453C - Method of Making an Insulin Preparation. : da en
  • US2399318A - Fluid heater : en
  • US2399486A - Fluid-pressure engine : en
  • US2399231A - Dental instrument : en
  • US2399249A - Apparatus for the movement of viscous materials : en
  • US2399531A - Fixture for tubular lamps : en
  • US2399306A - Resilient driving mechanism : en
  • US2399480A - Fuel proportioning device for pressure carburetors : en
  • AU130829B2 - Improvements in or relating to plasticized elastomer compositions : en
  • ES172017A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • US2399492A - Shoe construction : en
  • US2399506A - Aminoalkanols of arylacetic acids : en
  • ES12329Y - Radiator for heating. : en es
  • ES12816U - Type of heating paddle with refrigerated grill for thermosyphon. (Machine-translation by Google Translate, not legally binding) : en es
  • GB578185A - Improvements in speed-control governors : en
  • ES12321Y - Passable sheet calendar in the form of a notepad. : en es
  • FR909204A - Filter with removable screen : en fr
  • GB577028A - Improvements in or relating to the profiling of grinding wheels : en
  • AU121334B2 - Improvements relating to surgical dressings : en
  • GB577002A - Improvements in electric remote control systems, suitable for the control of aerial bombs and other purposes : en
  • US2399203A - Double seamer : en
  • ES12799U - Hand filter or strainer. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909282A - Crampon for shoes : en fr
  • CH242145A - Washing machine with motorized suction cup. : de en
  • BE463740A - : en
  • AU1380444A - Improvements in or relating tothe preparation ofa sulfanilylamidine : en
  • AU1262944A - Differential amplifiers : en
  • US2399160A - Planer gauge : en
  • US2399365A - Star globe : en
  • USD144551S - Design for a jacket : en
  • FR909169A - Box which can be used as a cigarette holder, card box or similar article : en fr
  • USD144535S - Design for a toothbrush holder : en
  • USPP686P - Geranium plant : en
  • FR909138A - Process for obtaining divided iron and resulting product : en fr
  • US2399547A - Article handling device : en
  • US2399604A - Receptacle : en
  • ES9990U - Device that facilitates the joint movement of the braces of current use and those of orthopedic application, without the intervention of elastic materials. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577044A - Improved apparatus for the heat treatment of camshafts and the like : en
  • USD144599S - Design fob a spoon or the like : en
  • AU131947B2 - Improvements in or relating to gyroscopic instruments for navigation andthe like : en
  • US2399238A - Garment : en
  • US2399429A - Electron discharge device : en
  • ES12782U - Sealing device for the hygienic protections of the nozzles of the siphon heads (Machine-translation by Google Translate, not legally binding) : en es
  • US2399190A - Post driving attachment for post hole diggers : en
  • AU121374B2 - Improvements in ploughs : en
  • AU1430644A - Guard for presses : en
  • FR909182A - New process for manufacturing cancalons and apparatus for making them : en fr
  • AU121353B2 - Frequency control system : en
  • US2399554A - Transmission and fluid pressure clutch mechanism therefor : en
  • CH242144A - Rope reel. : de en
  • CA434420A - Venetian blind : en fr
  • GB577039A - Improvements relating to liquid-fuel burners and the like : en
  • FR909287A - Slow and continuous combustion heater : en fr
  • GB576990A - An improved gas-blast electric circuit-breaker with a flowing extinguishing medium for interrupting the arc : en
  • US2399484A - Heat exchanger : en
  • US2399598A - 3-ureido-1, 2, 4-triazoles and their preparation : en
  • ES12708U - Sprayer of perfumes and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577041A - Improvements relating to cartridge case testing machines : en
  • US2399451A - Power pulley : en
  • ES172151A1 - A DEVICE FOR THE REGULATION OF MARINE PROPELLERS WITH MOVING BLADES AND THE CORRESPONDING MACHINE THAT DRIVES THE PROPELLER : en es
  • ES172745A3 - IMPROVEMENTS IN OR RELATED TO THE MANUFACTURE OF ELECTRICAL INSULATING MATERIALS : en es
  • GB576962A - New piperidine derivatives : en
  • US2399509A - Multistage centrifugal separating apparatus : en
  • ES173001A1 - A NEW DEVICE FOR THE MECHANICAL CONNECTION OF WOOD HEELS : en es
  • GB576972A - Improvements in or relating to aerial photography : en
  • ES12829U - Counter of change of fractional metal coins. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173016A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • US2399302A - Combined latch and lock : en
  • US2399601A - Substituted imidazoles : en
  • AU130053B2 - Improvements in thermostatic regulators : en
  • CA434481A - Knitted fabric : en fr
  • ES172972A1 - A SYSTEM OF ELECTROMECHANICAL MANEUVER FOR THE OPERATION OF SUPERAUTOMÁTICO OF DOORS OF CABINS AND OF LIFT AND ELEVATOR CANCELS AND ELECTRICAL MONTACARGAS : en es
  • GB576965A - Improvements in pulverising mills : en
  • ES12764U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12806U - Automatic heat regulation device for plates, saucepans and other electrical utensils. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12338Y - Apparatus for sharpening the tailors' marking soaps. : en es
  • CA434526A - Indicator mechanism : en fr
  • ES173047A1 - A NEW FISHING ART SYSTEM : en es
  • FR909156A - Multiple table filing desk : en fr
  • US2399235A - Comforter : en
  • GB577052A - Improvements in preformed building blocks : en
  • ES172872A1 - IMPROVEMENTS IN CATHODIC RAY DEVICES : en es
  • GB577017A - Improvements in turbines : en
  • FR909073A - Control process for printing presses, and other presses : en fr
  • GB577018A - Improvements in and relating to apparatus for controlling the delivery of rotary plunger type hydraulic pumps : en
  • DK64458C - Container of Paper or similar Material and Item for the Manufacture of the Container Body. : da en
  • US2399362A - Preparation of vitamin intermediate : en
  • GB576951A - Cycle pedal : en
  • ES12301Y - Device to secure nuts and bolts. : en es
  • AU308246A - Improvements in or relating to pipes pipe joints and methods of forming thesame : en
  • ES12302Y - Bracket to attach the gearbox to bicycles. - : en es
  • ES173130A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR909136A - Improvement in electro-magnetic screens used in electrical and radio art : en fr
  • FR909259A - Finned hoses for tubular heat recovery systems : en fr
  • US2399279A - Adjustable crutch : en
  • FR909240A - Tin can packing machine : en fr
  • ES172831A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF SPECIAL MORTARS WITH RAW MATERIALS APPROPRIATE TO THE CONSTRUCTION OF PLATES, MOLDINGS, SANITATION AND COVERINGS FOR THE CONSTRUCTION OF HOUSES : en es
  • US2399243A - Composition of matter suitable for use as a lubricant and lubricant comprising the same : en
  • US2399261A - Production of aviation fuel : en
  • US2399384A - Ventilating apparatus : en
  • ES172025A1 - A MULTIPLE ASPIRANT SLEEVE SYSTEM WITH ACCELERATED CURRENT : en es
  • US2399417A - Walking tractor : en
  • US2399254A - Electroplating : en
  • GB577056A - Improvements in and relating to a camera objective holder mount : en
  • GB576940A - Preserves and process of producing the same : en
  • CA434457A - Slicing machine : en fr
  • US2399445A - Web breaker : en
  • US2399337A - Display rack : en
  • ES12803U - Frames for presentations of twins and simians (Machine-translation by Google Translate, not legally binding) : en es
  • FR909242A - Safety valve : en fr
  • FR909196A - Progressive and discontinuous electric remote control : en fr
  • ES12760U - Buffer buffering box. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12844U - Improved inkwell (Machine-translation by Google Translate, not legally binding) : en es
  • FR909238A - Board game played with dice : en fr
  • US2399351A - Control system : en
  • CA434452A - Regulating valve : en fr
  • GB576999A - An improved filter : en
  • GB577012A - Improvements in or relating to periscopes : en
  • AU1421944A - Improvements relating to parachute packs : en
  • FR909297A - Fuse junction box : en fr
  • CA434467A - Damping fluid : en fr
  • CH242280A - Ski binding. : de en
  • US2399200A - Range input and hand control unit for aircraft turret guns : en
  • FR909082A - Seamless braided flat metal cables : en fr
  • FR909123A - Projectile launching method and apparatus for its implementation : en fr
  • GB576996A - Improvements in or relating to filter presses : en
  • GB577078A - Improvements in or relating to valves more particularly for windshield cleaner control : en
  • ES173057A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PHOTOELECTRIC CELLS : en es
  • ES173090A1 - IMPROVEMENTS INTRODUCED IN THE UNION DEVICES FOR HOSES : en es
  • US2399593A - Television signal separator : en
  • CA434528A - Textile material treatment : en fr
  • US2399508A - Speaker attachment for radios : en
  • USD144590S - Combination table and cabinet : en
  • US2399158A - Filter pad : en
  • USD144570S - Figurine or similar article : en
  • CA434462A - Bushing for electrical apparatus : en fr
  • AU121363B2 - Improvements relating to vibratory screens : en
  • CA434463A - Waterproofing treatment of material : en fr
  • GB577077A - Improvements in multi-ply bearings : en
  • US2399355A - Compounds of the naphthoquinone : en
  • US2399599A - S-ureido-l : en
  • US2399425A - Adapter for broken drills : en
  • CA434509A - Cell construction : en fr
  • CH242239A - Installation comprising a mercury vapor converter and a pumping device for the latter. : en fr
  • CA434466A - Collar can collar mounting : en fr
  • CH242191A - Process for the control of objects according to the reflection principle by pulse-wise emission and re-reception of high-frequency vibrations. : de en
  • US2399567A - Control system for change-speed transmission gearing : en
  • US2399573A - Hydraulic circuit apparatus : en
  • CA434533A - Shaped metal product manufacture : en fr
  • US2399327A - Locking means for pressure chamber doors : en
  • USD144588S - Design for a toy shovel : en
  • CH242195A - Light signal device on an automatic speaking machine. : de en
  • ES12165Y - Wall ashtray. : en es
  • ES173007A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CH242259A - Hybrid circuit for connecting a two-wire line to the transmission and reception channel of a wireless two-way system. : de en
  • GB577085A - Arrangement for mounting magnets used in conjunction with electron discharge devices : en
  • US2399475A - Art of raising sunken ships : en
  • ES12821U - Fan for wagons, cars and other carriages. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399250A - Can end assembling machine : en
  • ES172894A1 - A RADIATOR AND FAN INSTALLATION IN AUTOMOTIVE VEHICLES WITH COMBUSTION ENGINE MOUNTED IN THE BOGA : en es
  • GB577048A - Improvements in electric fuses : en
  • US2399450A - Superheating gases : en
  • FR909173A - Improvement of lubrication systems for axle boxes of rail vehicles : en fr
  • GB577091A - Improvements in and relating to electrical contact elements : en
  • USD144553S - Design fok an embroideked trimming : en
  • US2399192A - Dehydration of transformer oils : en
  • FR909166A - Feed mechanism for cards or sheets of paper for tabulating typewriters : en fr
  • GB577068A - Improvements in or relating to methods and apparatus for time conversion by means ofcathode-ray or like tubes : en
  • US2399294A - Hydraulic operator : en
  • ES173010A1 - AN EXTRACTOR APPARATUS OF MINUTERS, MINUTES CANYONS AND WATCHES OF WATCHES : en es
  • FR909171A - Process for preparing toothpaste products and new products resulting therefrom : en fr
  • GB577095A - Improvements in or relating to the wheels of tractor vehicles : en
  • AU131545B2 - Improvements in or relating tothe manufacture of rubber transformation products : en
  • CA434534A - Derivative of 2-alkyl-1 . 4-naphthoquinone : en fr
  • CH242292A - Process for the preparation of a quaternary salt of the dimethylcarbamic acid ester of o-dimethylaminophenol. : de en
  • US2399275A - Fitting for flared tubing : en
  • USD144598S - Design foe a fork or the like : en
  • GB576973A - Improvements in or relating to conveyors : en
  • GB576982A - Improvements in or relating to the concentration of minerals by froth flotation : en
  • US2399539A - Antifriction bearing having fluid passages : en
  • CA434441A - Brake : en fr
  • AU1242743A - An improved method of and apparatus for packing or canning food andother plastic substances : en
  • ES173021A1 - A PROCEDURE FOR THE ELABORATION OF INFLATABLE STARCH PRODUCTS : en es
  • FR909053A - Clockwork or other mechanism control and adjustment device for all applications : en fr
  • US2399239A - Machine for cutting tile and like workpieces : en
  • US2399471A - Dialyzer : en
  • CH242142A - Process for producing elastic yarn. : en it
  • US2399176A - Duplicating machine : en
  • US2399246A - Dehydrating method and apparatus : en
  • FR909186A - Process for the preparation of aminocarbonic acids for : en fr
  • FR909216A - Manufacturing process for shoes or slippers : en fr
  • FR909158A - Device for applying fixatives or cosmetics to the hair : en fr
  • IE17005L - Weaving fabrics : en
  • ES172986A3 - A METHOD OF PRODUCING CENTRIFUGAL CASTED PARTS : en es
  • ES12805U - Smoking paper with hemiplastic rubber and protective device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909143A - Device for adjusting the ignition moment of a magnesium flash lamp in photographic cameras : en fr
  • GB576954A - Self-weighing wheelbarrow : en
  • ES12763U - Complementary service device for beds and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909225A - Loudspeaker enhancements : en fr
  • GB577043A - Electrical apparatus for chemical analysis : en
  • US2399581A - Locking or coupling pin, short shaft, and similar devices : en
  • USD144544S - Mirror frame or the like : en
  • US2399512A - Production of halogenated hydrocarbons : en
  • FR909295A - Letter-Envelope Improvements : en fr
  • ES173101A1 - A PROCEDURE FOR THE MANUFACTURE OF RIZO WOVEN FABRICS FOR ALBORNOCES AND SIMILAR CLOTHES : en es
  • GB576959A - Shaving mechanism : en
  • GB577057A - An improved method of metallising the leaves of plants and other vegetable elements for the production of ornaments : en
  • US2399232A - Opaque vitreous enamels : en
  • DK64464C - Device for lamella-type dryers. : da en
  • FR909226A - compartmentalized case : en fr
  • ES173002A3 - A UNITARY FLOCULATION AND SEDIMENTATION APPARATUS : en es
  • ES12792U - Rigid bed frame for osteoarticular beds, with central lifting mechanism. (Machine-translation by Google Translate, not legally binding) : en es
  • CA434515A - Cellulose ether manufacturing process : en fr
  • GB577024A - Improvements in and relating to electrical plugs : en
  • FR909141A - Device for suspending any power lines or overhead cables : en fr
  • US2399588A - Method of processing by-product soaps for recovery of their acids free from detrimental alcohols, etc. : en
  • GB577022A - Improvements in or relating to piezoelectric unit and method of making same : en
  • FR909066A - Radio wave receiver and reception installation : en fr
  • FR909209A - Device guiding an operator in manual work, in particular for filing : en fr
  • USRE22750E - Disinfectant : en
  • ES173004A1 - A MECHANISM FOR LOADING THE RING CONTINUOUS STRETCHING CYLINDERS : en es
  • ES173138A1 - ONE CARBONATOR AND DISPENSER DEVICE : en es
  • ES170933A1 - A SYSTEM OF REFRIGERATION BY ABSORPTION : en es
  • ES173058A1 - A COMMUNICATION SYSTEM WITH PULSE MODULATION : en es
  • GB576942A - Improvements in or relating to release mechanism for bombs and other loads : en
  • ES12839U - Metallic fastening device for shoulder pads in uniform. (Machine-translation by Google Translate, not legally binding) : en es
  • FR53555E - : fr
  • FR909124A - Aircraft bomb : en fr
  • GB577074A - Improvements in or relating to rivet loading devices : en
  • FR909067A - Individual electric control device for a grinding machine or the like : en fr
  • ES12791U - Foldable stroller for children. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399347A - Synthesis of vitamin bs : en
  • ES170641A1 - A PROCEDURE TO TREAT FILAMENTARY MATERIAL : en es
  • US2399383A - Mineral wool apparatus : en
  • US2399171A - Lubricating apparatus : en
  • US2399564A - Garment insert : en
  • ES12765U - Pneumatic hammer for free tool (Machine-translation by Google Translate, not legally binding) : en es
  • ES173028A1 - A PROCEDURE FOR CONSTRUCTION OF BUILDINGS WITH SPECIAL PARTS THAT CONSTITUTE THE PARAMETERS AND THE FORMWORK FORMWORK BY THEMSELVES : en es
  • GR10647B - GASOLINE FUCKING MACHINE SILENT. : el en
  • US2399410A - Process of making shoes : en
  • US2399552A - Safety razor : en
  • CH242252A - Method and circuit arrangement for automatic, logarithmic dynamic control in electroacoustic transmissions. : de en
  • US2399393A - Tree pruning saw : en
  • FR909164A - Transmission mechanisms for vehicles : en fr
  • USD144574S - Design for a jet motor : en
  • FR909072A - Fruit packaging, advanced : en fr
  • FR909289A - Improvement of saucepans and other similar containers : en fr
  • CH242244A - Process for the production of a thiobarbituric acid. : de en
  • US2399184A - Laminated armor plate structure : en
  • USD144596S - Housing for a power lawn mower : en
  • US2399403A - Yarn feeding device : en
  • FR909147A - pressure lifter for liquids : en fr
  • AU1445144A - Clutch driven hydraulic pump : en
  • CH242123A - Method for heating appliances. : en fr
  • ES12826U - Wooden pulley manufactured in block and in series. : en es
  • CA434448A - Variable electrical condenser : en fr
  • GB576968A - Improvements in and relating to bags or cartons of paper or the like materials : en
  • CH242279A - Process for the production of a new pigment dye. : de en
  • AU129420B2 - Improvements in or relating to combined rate of turn and bank and like indicators, particularly for aircraft : en
  • CH242133A - Method of handling food cans containing a dish and apparatus for practicing the same. : de en
  • CH242162A - Process for the preparation of an aqueous emulsion of a coal tar pitch. : de en
  • ES11435Y - Perfected Memo. : en es
  • ES12299Y - Shelf that can be transformed into a bed. : en es
  • AU1402644A - Treatment of wort forthe production of beer : en
  • CA434436A - Wave riding speed vessel : en fr
  • AU103046A - Improvements in or relating to combined rate of turn and bank and like indicators, particularly for aircraft : en
  • BE463973A - : fr
  • USD144539S - Combined electric lampstand and clock : en
  • US2399244A - Arresting mechanism for aircraft : en
  • ES172674A1 - SOME IMPROVEMENTS IN THE MECHANISMS OF DRIVING BICYCLES TO PEDAL : en es
  • GB577065A - Improved alloy : en
  • ES173005A1 - IMPROVEMENTS INTRODUCED IN THE FUNNELS FOR CONDENSING THE WAY OF STRETCHING BANKS OR SIMILAR TEXTILE MACHINES : en es
  • FR909116A - Mobile hanger for vault construction : en fr
  • ES172845A1 - A PROCEDURE FOR MANUFACTURING TWO-SIDED OR REVERSIBLE GLOVES : en es
  • US2399266A - Voltage regulator : en
  • US2399482A - Switch operating mechanism : en
  • FR909296A - Fixing device for sockets and switches : en fr
  • US2399389A - Nursing bottle holder : en
  • ES12761U - Accumulator of reduced dimensions, applicable to pocket flashlights and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909149A - Improvements to sound recording and reproducing devices : en fr
  • AU128876B2 - Improvements in or relating to resinous compositions : en
  • AU1397444A - Improvement in tires : en
  • CH242139A - Can for canned food. : de en
  • US2399170A - Calculating machine : en
  • US2399415A - Arc welding system : en
  • BE461093A - : fr
  • DK64448C - Pipe socket that also carries the Coupling Parts attached to the Discharge Pipe. : da en
  • GB576966A - Attachment for lathe chucks and the like : en
  • ES12828U - Bicycle handlebar-headlight. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399317A - Airplane strut and the like : en
  • USD144549S - Design for suspenders : en
  • US2399545A - Adhesive tape : en
  • CH242255A - Tuning device in a radio device. : de en
  • ES12779U - No text (Machine-translation by Google Translate, not legally binding) : en es
  • US2399282A - Method of peeling potatoes : en
  • US2399559A - Treatment of mixed textile fibers : en
  • US2399252A - Matrix assembler lever mechanism : en
  • GB577004A - Improvements in or relating to fuze-setting apparatus : en
  • AU129365B2 - Improved means forthe detection and measurement of magnetic fields : en
  • CA434446A - Electrically operated cutoff valve : en fr
  • CH242190A - Radio navigation procedure. : de en
  • CH242267A - Protector for the tread of rubber-tyred vehicle wheels. : de en
  • CH242214A - Transmission joint. : en it
  • FR909137A - Further training in the manufacture of electron tubes : en fr
  • US2399499A - Carboy crate : en
  • US2399536A - Fixture for assembling articles : en
  • CH242237A - Variable capacitor for high voltages, which is arranged in an envelope closed from the outside air. : de en
  • US2399481A - Ultra high frequency system : en
  • AU1448144A - Improvements in spur gear drive transmission : en
  • US2399557A - Starting circuit for gas filled discharge tubes : en
  • AU1407144A - Improvements inthe manufacture of titanium pigments : en
  • AU130358B2 - Improvements in and relating tothe manufacture of heterocyclic nitrogen compounds : en
  • CA434445A - Land irrigating apparatus : en fr
  • GB576989A - Improvements in and relating to electric gas blast circuit breakers : en
  • US2399356A - Method of welding plates : en
  • USD144552S - Design for an embroidered trimming : en
  • DK64463C - Device for Concrete Mixers. : da en
  • FR909176A - Rolling friction screw and nut, in particular for motor vehicle steering mechanisms and the like : en fr
  • US2399297A - Frequency indicator for vibrating reed type alternators : en
  • CH242178A - Photosensitive plate. : en fr
  • US2399368A - Production of paraffins : en
  • US2399311A - Overload relay : en
  • US2399346A - Collapsible float for aircraft : en
  • US2399195A - Confectionary product : en
  • USD144560S - Design for an eye shade ob similar article : en
  • US2399578A - Lock valve : en
  • CH242136A - Paper filters for beverages for insertion in drinking vessels. : de en
  • ES12807U - Binding system for files and loose-leaf books (Machine-translation by Google Translate, not legally binding) : en es
  • FR909100A - Calibrated frequency generator : en fr
  • CA434437A - Film developing rack : en fr
  • AU1456944A - Improvements in metal drums for photographic films : en
  • CA434476A - Magazine heater : en fr
  • CA434439A - Vulcanized blown rubber article : en fr
  • CH242141A - Device on sewing machines for creating an elastic seam. : de en
  • US2399196A - Towed glider launching : en
  • US2399595A - Process for manufacturing acyloxy carboxylic acids : en
  • AU121368B2 - Differential amplifiers : en
  • FR909108A - Low pivot bogie : en fr
  • US2399296A - Hydraulic movement transmitting system : en
  • AU1219643A - Cork extrusion apparatus : en
  • CH242175A - Typewriter for writing on plans. : de en
  • CA434489A - Alphabetic printing mechanism : en fr
  • FR909134A - Improvement in radio receivers : en fr
  • FR909170A - Installation of driving force for dam bodies : en fr
  • AU132291B2 - Improvements in or relating tothe production of coated sheet or film : en
  • CH242147A - Wallwood for rolling out plastic masses. : de en
  • CA434460A - Fluorescent lamp operating mechanism : en fr
  • IE17365L - Styrene-oil interpolymers; coating compositions : en
  • US2399461A - Aerial airfield : en
  • AU121373B2 - Improvements in metal drums for photographic films : en
  • AU310046A - Indicating system : en
  • CH242117A - Attachment for chimneys and ventilation ducts. : de en
  • US2399444A - Strainer insert for hydraulic accumulators : en
  • US2399222A - Flash-photography apparatus : en
  • US2399226A - Vehicle spring suspension : en
  • FR909168A - Improvements to liquid ring gas generators : en fr
  • FR909093A - Device for adjusting the angular position of an axis : en fr
  • FR909252A - Artificial aging of wines and spirits by ultrasound : en fr
  • CH242126A - Process for cleaning gases, in particular generator gases. : de en
  • IE17029L - Malt extract syrup : en
  • FR909180A - Automatic hearth with rotating grill : en fr
  • USD144558S - Design for a vacuum cleanek casing : en
  • ES12305Y - Detachable luggage rack, applicable to bicycle handlebars and the like. : en es
  • ES172957A3 - IMPROVEMENTS INTRODUCED IN THE CONTROL DEVICES FOR BRAKES OF BICYCLES, MOTORCYCLES AND SIMILAR VEHICLES : en es
  • FR909247A - Utensil for opening cans of condensed milk : en fr
  • US2399375A - Walking apparatus for excavators : en
  • FR909236A - Triangular frying pan with flashback : en fr
  • FR909256A - Improvements to veneer frames : en fr
  • ES173115A1 - A PROCEDURE FOR MANUFACTURING A NEW PRODUCT THAT APPLIES TO CRYSTALS, MAKES VISIBLE, THROUGH THESE MICROBIOS EXISTING IN THE SPACE : en es
  • CH242265A - Device for automatic monitoring of the temperature of a bulk material flowing out of a silo, in particular a flow of grain during the transfer. : de en
  • GB576983A - Rolling tapered tubes : en
  • US2399185A - Regulating apparatus : en
  • US2399304A - Lumber or pipe carrying rig : en
  • US2399585A - Stylus device : en
  • GB577032A - Computing mechanism for use with fluid dispensing apparatus : en
  • GB576992A - Improvements relating to electric cartridge fuses : en
  • US2399303A - Bevel, level, and protractor instrument : en
  • FR909079A - Improvements in control devices for bicycles or similar vehicles : en fr
  • FR909233A - Sophisticated pantry : en fr
  • AU1381444A - Improved means for picking and drying tobacco leaves : en
  • GB576953A - Improvements in or relating to the production of durable yeast preparations : en
  • CH242154A - Process for the preparation of vinyl esters of carboxylic acids. : de en
  • US2399542A - Throttle and starter control mechanism : en
  • ES172954A1 - A DEVICE FOR THE EXAMINATION OF METALS : en es
  • ES173083A1 - IMPROVEMENTS IN THE MANUFACTURE OF CELLULOSE SPONGES : en es
  • US2399505A - Throttle and pressure control : en
  • US2399186A - Shield assembly for aircraft : en
  • ES12787U - Inviolable envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173052A3 - IMPROVEMENTS IN MAGNETO-ELECTRICAL MACHINES FOR IGNITION OF EXPLOSION ENGINES : en es
  • US2399603A - Alkamido cellulose ethers and process of making same : en
  • PL33201B1 - Central heating boiler : en pl
  • FR909125A - Beams by link elements : en fr
  • US2399283A - Extension table slide : en
  • FR909184A - Live edibles and metallophores : en fr
  • FR909285A - Aviation safety by means of cabins or detachable seats equipped with automatic parachute opening devices : en fr
  • US2399301A - Valve : en
  • DK64462C - Badminton marker. : da en
  • US2399214A - Convertible alkyd resins : en
  • GB577051A - Improvements in collapsible perambulators or push-chairs : en
  • FR909237A - New process of grinding, crushing, degerming, husking, grinding of all products in general and manufacture of cereal flour in particular : en fr
  • GB577088A - Selection controlling circuits : en
  • FR909144A - Improvements to diving clothes : en fr
  • FR909208A - Centrifugal electric regulators : en fr
  • GB576986A - Improvements in the operating mechanism of snap-action electric switches : en
  • FR909197A - New cider rack for hydraulic presses : en fr
  • FR909083A - Hydromechanical device for controlling movements : en fr
  • USD144593S - Design for a spoon or similar article : en
  • ES11639Y - Tensioning device for shirt collars. : en es
  • FR909275A - Hydraulic differential : en fr
  • GB577034A - Improvements in and relating to the manufacture of alkali metal sulphides : en
  • GB576960A - Improvements in or relating to screw-down steam stop and like valves of the lift type : en
  • GB577047A - Improvements in and relating to sutures : en
  • FR909061A - Device for varying the volume of the compression chamber or engine explosion : en fr
  • US2399179A - Coating composition and method of : en
  • FR909076A - Alarm clock : en fr
  • FR909195A - Beach and water play device : en fr
  • US2399259A - Method of making hollow filaments and product thereof : en
  • US2399421A - Synchronizing device : en
  • US2399221A - Safety landing device : en
  • USD144601S - Design for a paper punch : en
  • ES11540Y - Extendable hanger. : en es
  • ES12592U - Cap for fixing strands or cables on the wall or plate they pass through. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577058A - Improvements in or relating to optical computation devices : en
  • US2399220A - Apparatus for cutting metal : en
  • US2399533A - Soap tray : en
  • FR909191A - Improvements to leaded spoons in tail for fishing : en fr
  • US2399388A - Regulating system : en
  • US2399602A - Cellulose ether composition : en
  • CA434487A - Handle bar resilient mounting : en fr
  • FR909201A - Universal marking device : en fr
  • FR909258A - Masonry in rubble or other waste : en fr
  • US2399241A - Container : en
  • USD144575S - Design for a brooch or similar article : en
  • CH242122A - Water sludge collector. : de en
  • CA434416A - Sugar extraction process : en fr
  • CA434485A - Flexible chute : en fr
  • US2399478A - Applique crochet : en
  • CA434474A - Sheet metal plate flanging means : en fr
  • CH242205A - Welding process. : de en
  • GB577020A - Improvements in or relating to abrasive compositions : en
  • CA434426A - Chimney-buffet : en fr
  • ES12802U - Picture perfected for bicycles (Machine-translation by Google Translate, not legally binding) : en es
  • US2399454A - Wrench : en
  • US2399218A - Aircraft landing gear : en
  • US2399257A - Jig : en
  • US2399556A - Fire extinguisher : en
  • US2399483A - Flying boat base : en
  • USD144591S - Combination vanity and writing desk with clothes hamper seat : en
  • FR909088A - Improved chimney bolster : en fr
  • GB576946A - An adjustable hinge for gates, doors and the like : en
  • ES12810U - Bag, wallet, pearl etc (Machine-translation by Google Translate, not legally binding) : en es
  • FR909266A - Device for blasting, in particular by means of sand or shot : en fr
  • FR909224A - Ruler for drawing horizontal lines and slanted lines at any angle on a vertical surface : en fr
  • FR909185A - Injection pump : en fr
  • US2399507A - Combustion engine : en
  • USD144536S - Design for a font of numerals : en
  • ES173134A1 - IMPROVEMENTS IMPROVED IN FREE SPROCKETS FOR SPEEDS : en es
  • ES172456A1 - IMPROVED IMPROVEMENTS IN THE ELASTICITY SYSTEMS OF THE REAR SUSPENSION OF MOTORCYCLE WHEELS : en es
  • ES173031A1 - IMPROVEMENTS MADE IN THE PREPARATION OF ANTI-DETONATING COMPOUNDS : en es
  • US2399210A - Car construction : en
  • US2399330A - Plasticized compositions : en
  • US2399540A - Precombustion cracking process : en
  • USPP685P - Geranium plant : en
  • GB577031A - Improvements in or relating to knife-edge bearings : en
  • FR909113A - Improvements to lamp holders for luminous beacon devices : en fr
  • USD144581S - Design fob a font of type : en
  • CH242276A - Process for the preparation of a new pigment. : de en
  • US2399194A - Process for electrodeposition of tin : en
  • US2399610A - Printer's line-up table : en
  • CH242196A - Device for articulating glasses to a spectacle frame. : en fr
  • FR909133A - Improvements to electricity meters : en fr
  • AU1420844A - Improvements in or relating tothe manufacture of magnesium hydroxide : en
  • CH242121A - Method for connecting secondary lines to accessible main lines running under or across a street. : de en
  • CH242138A - Container fitted with a closure device. : en fr
  • AU179346A - Improvements in or relating tothe manufacture of selenium elements such as rectifiers : en
  • AU1454144A - Improvements in or relating to seal constructions : en
  • CA434521A - Photographic emulsion applying method : en fr
  • US2399469A - Secret signaling system : en
  • CH242151A - Process and device for the production of insoluble to sparingly soluble, at room temperature solid or viscous organic substances with acidic character. : de en
  • US2399386A - Sound detecting system : en
  • US2399467A - Heating apparatus and system : en
  • CA434531A - Eye shield : en fr
  • CH242116A - Procedure for determining the impact resistance in non-rocky grounds. : de en
  • USD144567S - Design for a soap dispenser : en
  • CA434425A - Thermo-electric switch mechanism : en fr
  • CH242198A - Waterproof winder. : en fr
  • CH242278A - Process for the preparation of a new pigment. : de en
  • AU121310B2 - Treatment of wort forthe production of beer : en
  • BE463757A - : en fr
  • AU307746A - u Improvements relating to electrical devices employing piezoelectric crystals : en
  • CA434458A - Article handling apparatus : en fr
  • CH242167A - Process for the production of threads, fibers, tapes, films and similar objects. : de en
  • CH242246A - Process for the preparation of a diphenylalkyl derivative. : de en
  • ES12793U - A double articulated bed for patients or operated (Machine-translation by Google Translate, not legally binding) : en es
  • BE463741A - A light source comprising a high pressure mercury vapor lamp. : en fr
  • CA434459A - Transmission control system : en fr
  • CA434517A - Telegraph signal translating system and apparatus : en fr
  • CH242109A - Green forage silo. : de en
  • CH242282A - Current transformer device. : de en
  • AU121316B2 - Manufacture of tapered stock : en
  • GB576980A - Improvements in anti-syphonage means for use in flushing systems : en
  • ES12345Y - Device for the presentation of photographs and drawings and the like. : en es
  • ES12777U - New type of hinges (Machine-translation by Google Translate, not legally binding) : en es
  • FR909207A - Gyratory Crusher Shaft Suspension : en fr
  • IE16987L - Crankshafts : en
  • ES12332Y - Matchbox with wind guard. : en es
  • ES173145A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FRIDGE : en es
  • DK64454C - Horizontal Vacuum Cleaner with Preferably Cylindrical Housing. : da en
  • ES172991A1 - A PROCEDURE FOR THE PRODUCTION OF VINYL ETHER POLYMERS WITH STABILITY IN ITS FORM : en es
  • BE463866A - : en
  • CH242277A - Process for the preparation of a new pigment. : de en
  • US2399201A - Power transmitting mechanism : en
  • US2399271A - Boring bar : en
  • US2399473A - Electronic devices : en
  • CH242281A - Ice and snow skating equipment to be attached to the shoe. : de en
  • CH242207A - Process for the production of sintered hard metal tools. : de en
  • AU1414044A - Method of and apparatus for heating textile fibres : en
  • CH242155A - Process for preparing acetals. : en fr
  • ES172995A1 - AN ELECTRICAL DRIVING SYSTEM FOR TELESCOPES : en es
  • ES173067A1 - AN ELECTRICAL CONTROL UNIT : en es
  • US2399299A - Spark plug : en
  • GR10648B - PULP FOR THE MANUFACTURE OF PYRIA. : el en
  • US2399270A - Hydraulic brake system : en
  • US2399398A - Ammunition : en
  • US2399562A - Picker check : en
  • GB576998A - Improvements in arrangements for preventing false switching operations with lines provided with electric short-circuit protective devices : en
  • ES173127A1 - IMPROVEMENTS IN WIRE AND CABLE TESTING AND MEASURING DEVICES : en es
  • ES12304Y - Metallic dusting pot. : en es
  • US2399569A - Synchronizing clutch : en
  • USD144569S - Karoff combined bottle and closure : en
  • US2399174A - Conversion of hydrocarbons : en
  • US2399394A - Pressure exchanger : en
  • US2399438A - Coal mining machine : en
  • CH242234A - Cable system. : de en
  • ES12310Y - Radiator for domestic heating. : en es
  • FR909126A - Process for the production of ointments : en fr
  • ES12832U - Portable antenna (Machine-translation by Google Translate, not legally binding) : en es
  • ES173018A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • GB577029A - Improved device for the sealing of joints : en
  • US2399168A - Electric signal switch for pneumatic tires : en
  • FR909148A - Advanced training in sound recording and reproducing devices : en fr
  • AU121307B2 - Improvements in or relating tothe preparation ofa sulfanilylamidine : en
  • US2399161A - Process for producing glues and adhesives from keratin protein materials : en
  • ES172996A1 - IMPROVEMENTS IN THE MANUFACTURE OF SLIDES FOR ZIPPER CLOSURES : en es
  • FR909051A - Improvement in pipe fittings : en fr
  • GB577089A - Improvements relating to fluorescent materials : en
  • US2399227A - Nut : en
  • ES173087A1 - AN AUTOMATIC PRESS SYSTEM FOR INDUSTRIAL USES : en es
  • CA434483A - Yarn feeding device : en fr
  • GB576977A - Improvements in presses for rackets : en
  • USD144594S - Design for a medicine cabinet : en
  • US2399497A - Plier structure : en
  • US2399387A - Speed control system : en
  • CH242284A - Compressed gas switch with cut-off resistor. : de en
  • US2399198A - Press : en
  • USD144540S - Design fob a plate developer : en
  • FR909283A - Bridge posable by means of any multiple pyramidal legs fixed to the ground at an obtuse angle on either side : en fr
  • FR909270A - Cathode ray indicating device for air navigation and blind landing : en fr
  • ES172490A1 - A PROCEDURE FOR THE CONTINUOUS INDUSTRIAL MANUFACTURE OF MAGNETIC CARBONATE, SIMULTANEOUSLY WITH MAGNETIC HYDROXIDE, HYDRATION CALCIUM SULFATE, PRECIPITATED CALCIUM CARBONATE AND CARBONIC ANHYDRIDE, FROM MARINE WATER AND OTHER MAGNESIAN WATERS, BY INTERMEDIATE OF LIMESTONE STONE AND ANALOGUE MINERALS : en es
  • FR909190A - Acorn nut manufacturing process : en fr
  • FR909244A - Cooking pot : en fr
  • GB577007A - Improvements in or relating to fuel injection systems for internal combustion engines : en
  • GB577000A - Improvements in or relating to hinge fittings for gates : en
  • GB577023A - Improvements in and relating to self-closing ladies' handbags : en
  • US2399520A - Hydraulic system : en
  • FR909120A - Concrete pump operated by pressurized fluid : en fr
  • ES172859A1 - IMPROVEMENTS IN THE PREPARATION OF A SOLID ALPHA-METHYL-PARA-METHYL STYRENE DIMER : en es
  • FR909063A - Control valve for electrical circuit switches operating with compressed air : en fr
  • FR909299A - Sound system by loudspeaker, in particular t station. s. f., amplifier, loudspeaker, etc. : en fr
  • DK64450C - Controller with Reactance Elements to keep an electrical Size within certain Limits. : da en
  • CH242158A - Method of making a stilbene derivative. : de en
  • USD144577S - Design for a brooch or similar article : en
  • US2399247A - Dehydrating apparatus : en
  • ES172761A3 - IMPROVEMENTS IN ELECTROSENSIVE RECORDING SHEETS : en es
  • ES173030A3 - A FILTRATION METHOD : en es
  • GB576943A - Improvements in the production of 2-amino-4-methyl hexane and therapeutic compositions derived therefrom : en
  • ES173081A1 - A NEW INTERNAL COMBUSTION ENGINE WITH VARIATIONS IN THE CILOS DIAGRAM AND TRANSFORMATION OF MOVEMENTS : en es
  • ES172759A1 - IMPROVEMENTS IN CONNECTION PLUGS FOR ARMED ELECTRICAL CABLES : en es
  • ES173147A1 - IMPROVEMENTS INTRODUCED IN THE SCAFFOLDING STRUCTURES : en es
  • CH242211A - Razor with a comb drum and process for the manufacture of the same. : de en
  • GB577013A - Improvements in and relating to the manufacture of thiophenols : en
  • GB577071A - Apparatus for ascertaining at any moment the state of at least one periodically recurring occurrence : en
  • US2399504A - Dehydrating method and apparatus : en
  • GB577038A - Improvements in and relating to dynamo electric machines : en
  • CA434516A - Flexible packing or sealing ring : en fr
  • BE462672A - Improvements to processes for plasticizing, regenerating and reworking vulcanized rubber : en fr
  • ES12081Y - Clips or devices for the projection, in parts, of captions or drawings. : en es
  • BE464189A - Clothes rack for shop windows : en fr
  • US2399338A - Method of laminating porous sheet materials : en
  • CH242203A - Process for electric arc welding. : de en
  • AU121355B2 - Device for measuring angles : en
  • AU1334444A - Improvements relating to vibratory screens : en
  • US2399364A - Tractor hitch : en
  • CH242153A - Process for the production of a new sulfamide derivative. : de en
  • AU1392044A - Improvements in or relating tonon-detonating deflagrating explosive compositions and delay combustion train devices obtained therefrom : en
  • US2399464A - Dust preventive composition : en
  • CA434456A - Fluid pressure control mechanism : en fr
  • CH242183A - Playground capable of serving as a slide or swing. : en fr
  • ES172749A1 - IMPROVEMENTS IN ELECTRICAL CABLE MANUFACTURING METHODS : en es
  • ES172846A3 - A PROCEDURE FOR OBTAINING A NEW CELLULOID OR PLASTIC MATTER : en es
  • US2399551A - Method of selective carburizing : en
  • US2399596A - Pallet truck : en
  • AU307346A - Improvements in or relating tothe production of coated sheet or film : en
  • CH242253A - Circuit arrangement for establishing a connection between carrier current devices by means of dialing calls and using storage means. : de en
  • US2399354A - Isomerization : en
  • US2399280A - Grading machine : en
  • CA434524A - Sulphite process : en fr
  • US2399258A - Novel filamentous product and method of making it : en
  • CA434447A - Electrical heating element : en fr
  • FR909146A - Improvements in the locks of trunks, cases and the like : en fr
  • FR909288A - Doormat made with waste chrome and sole felt : en fr
  • US2399527A - Carrying means for radio chassis and the like : en
  • US2399213A - Timing circuit : en
  • AU1114743A - Improvements in ploughs : en
  • CH242204A - Process for the production of welding rods that are insensitive to sulfur. : de en
  • US2399371A - Fishing tackle : en
  • US2399571A - Circulating compressor : en
  • US2399316A - Fluid meter : en
  • AU1422244A - Improved lawnmower : en
  • CH242110A - Insert piece for a shear device which is arranged at the end of a handle and can be actuated by a cable pull, in particular for cutting trees. : de en
  • CA434484A - Flexible chute : en fr
  • US2399407A - Chloroprene polymers : en
  • US2399409A - Generator control means : en
  • BE463640A - : en
  • US2399600A - Substituted 4, 4'-diaminodiphenyl sulphones and process of making same : en
  • AU121346B2 - Improved lawnmower : en
  • DK64461C - Hatch cover, especially for ship hatches. : da en
  • CA434473A - Thread insert : en fr
  • AU1259844A - Improvements in and relating to vulcanised or sulphurised oil compositions and to products or articles of manufacture produced withthe aid thereof : en
  • CA434475A - Crimped fibrous glass producing apparatus : en fr
  • US2399169A - Door construction : en
  • CH242163A - Process for the production of a condensation product. : de en
  • CH242231A - Accumulator plate and process for their manufacture. : de en
  • US2399373A - Method of forming multiple patterns : en
  • FR909281A - Selenium electric dry valve and its manufacturing process : en fr
  • AU1059643A - Improved spur : en
  • US2399278A - Power steering device for vehicle combinations : en
  • US2399298A - Fishing line sinker : en
  • GR10649B - LOST INSTRUMENT APPLIANCE ESTABLISHING WITH REDUCED THERMAL LOSS, AUTOMATIC STABILIZATION OF TEMPERATURE AND SIGNIFICANT TEMPERATURE. : el en
  • ES173092A1 - AN APPARATUS FOR THE CONSTRUCTION OF DUELAS, PREFERABLY APPLYING IN MINES : en es
  • FR909084A - Device for eye examination and screening for visual impairments : en fr
  • US2399352A - Generator and motor : en
  • FR909078A - Wire guide device for winder : en fr
  • CA434493A - Mirror or reflector : en fr
  • CA434535A - Aluminum coating method : en fr
  • FR909231A - Improvements made to sockets for accumulators or the like : en fr
  • ES172044A1 - A FALLEBA FOR CLOSURES OF BALCONIES AND WINDOWS : en es
  • CH242289A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • GB577066A - Improvements in or relating to rangefinders : en
  • FR909077A - Blade for safety razor and razor fitted with this blade : en fr
  • ES12786U - Elastic fabric for belts or similar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909277A - Development of oscillators covering a wide range of frequencies : en fr
  • US2399408A - Electrical convenience outlet : en
  • ES173000A1 - IMPROVEMENT IN OR RELATED TO THE CONTROL OF A SERIES OF ELECTRICAL CONTACTS : en es
  • GB576970A - Improvements in apparatus for rendering saline water potable : en
  • FR909162A - Makeshift area with standardized rapid installation elements for airfields : en fr
  • ES12815U - Folder portadocumentos with special features for the protection of these. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909178A - Reciprocal control system of the position of combined moving parts with remote control by line or by radio : en fr
  • BE464027A - : en
  • CH242135A - Electric heating device. : de en
  • CH242192A - Method and device for moisture measurement using the dependence of the thermal conductivity on the moisture content of air. : de en
  • ES173122A1 - IMPROVEMENTS INTO THE PARACHUTE LINKS : en es
  • ES12312Y - Portable lamp for lighting. : en es
  • CH242219A - Dispositif compensateur pour mécanisme de commande hydraulique à cylindre et piston. : en it
  • FR909269A - Process for the desulphation and regeneration of lead-acid batteries : en fr
  • FR53594E - : fr
  • FR909271A - Wheelbarrow training : en fr
  • FR909151A - Improvement to transparent and movable protective screens such as those used in greenhouses, conservatories and the like : en fr
  • FR909227A - Cigarette holder : en fr
  • ES12758U - Removable articulation, applicable to wooden utensils, pasta or similar material. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173106A3 - A WRITING TIP EXIT AND HIDING MECHANISM, APPLICABLE TO STYLOGRAPHERS AND MECHANICAL PENCILS : en es
  • ES12778U - Teaspoon. (Machine-translation by Google Translate, not legally binding) : en es
  • ES10391Y - Heel for footwear, especially for espadrilles and fiber footwear. : en es
  • FR909140A - Improvements to electronic oscillators with continuous frequency variation : en fr
  • DK64455C - Window, preferably Front window, or equivalent Interface. : da en
  • US2399479A - Nitrogenous ester : en
  • FR909090A - Improvements to aircraft landing gear : en fr
  • US2399491A - Outlet box support : en
  • US2399514A - Process for decolorizing light oil fractions by selective hydrogenation : en
  • GB576945A - Improvements in and relating to bags or cartons of paper or the like material : en
  • US2399544A - Pipe-line repair plug : en
  • ES173060A3 - IMPROVEMENTS IN ELECTRICAL CONTROL SYSTEMS : en es
  • GB577045A - Improvements in and relating to precast reinforced concrete roofs : en
  • US2399342A - Apparatus for determining mold cavity pressure : en
  • US2399466A - Metalworking : en
  • ES12780U - Revolving lid for jars, glasses and other containers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173069A1 - ONE SET OF REMOTE CONTROLLED BYPASS CONTROL RELAYS : en es
  • FR909264A - Fixing device for pins, badges and the like : en fr
  • FR909276A - Right and left alternating angular pedaling with support points and variable strokes for bicycles, tandems or similar : en fr
  • GB577001A - Improvements in and relating to computing mechanism for the correction of gun sights : en
  • US2399333A - Toy : en
  • FR909102A - Equipment for the continuous saccharification of plants : en fr
  • FR909159A - Device for the application, on the hair, of dye products or tonics and tonics : en fr
  • US2399165A - Distributor : en
  • US2399349A - Production of fumarodinitrile : en
  • FR909060A - Machine for manufacturing and modeling ceramic products : en fr
  • FR909246A - Improvements to thermal de-icing devices, in particular for aerodynes : en fr
  • US2399320A - Nursing bottle support : en
  • USD144561S - Design for a bracelet or : en
  • CH242157A - Process for manufacturing sulfuric ether. : en fr
  • CH242165A - Process for the production of artificial structures from cellulose ethers. : de en
  • US2399608A - Grinding machine steady rest : en
  • ES173019A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR909218A - Amplifying voltmeter without thermionic lamp, particularly applicable to ph measurements : en fr
  • ES172862A1 - IMPROVEMENTS IN PHASE CONTROL DEVICES : en es
  • FR909130A - Tanker vehicle : en fr
  • FR909179A - Improvements to elastic belts and girdles or other similar articles and their manufacturing process : en fr
  • FR909183A - Fuel injection process for heat engine and injection pump for its implementation : en fr
  • US2399314A - Semiconducting composition and tape produced therefrom : en
  • USD144542S - Design for a scatter rug or similar article of manufacture : en
  • ES172876A3 - IMPROVEMENTS IN THE MANUFACTURING PROCEDURES OF ELECTRICAL INSULATING MATERIALS : en es
  • US2399583A - Lockable control device : en
  • US2399590A - Joint for collapsible containers : en
  • ES173068A1 - A REMOTE CONTROL INSTALLATION BY THE PULSE SYSTEM : en es
  • ES173139A1 - AN ELECTRICAL FACSIMILE TRANSMISSION SYSTEM : en es
  • FR909298A - Extendable simbleau for centering the jaws of a lathe chuck : en fr
  • US2399446A - Centrifugal casting machine : en
  • FR909135A - Development of electro-acoustic breeders : en fr
  • US2399251A - Impact wrench : en
  • US2399495A - Circuit interrupter : en
  • AU292846A - Molding compositions containing polyvinyl acetal resins : en
  • CA434438A - Photographic enlarger : en fr
  • BE463939A - : en fr
  • US2399452A - Variable-speed transmission : en
  • US2399587A - Fuel metering and distributing means : en
  • CH242160A - Process for the preparation of an azo dye. : de en
  • GB576956A - Apparatus for measuring the thickness of tubes, plates or the like, particularly at points situated at comparatively great distances from the ends or edges of the articles : en
  • US2399285A - Novel composition of matter : en
  • US2399477A - Cylindrical surface lapping machine : en
  • DK64449C - Coupling to automatic Phase switching and consequent Countercurrent braking of a three-phase AC motor. : da en
  • ES12306Y - Electric wall lamp, based on dry batteries. : en es
  • FR909167A - Use of the root of alstonia spathulata of the apocynaceae (commonly called `` coy-mop '' in the Indochinese language) as soundproofing material : en fr
  • GB576981A - Improvements in and relating to washing machines : en
  • US2399230A - Automatic electric starter : en
  • US2399343A - Magnetic housing for electromagnetic devices : en
  • USD144550S - Design for a dkess : en
  • ES12823U - Device for the manufacture of footwear with floors or soles of composite materials based on fibers or fibrous materials. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909235A - Measuring meter cap : en fr
  • ES173035A1 - A PROCEDURE FOR OBTAINING PROSTHESIS : en es
  • ES172902A3 - A PROCEDURE FOR THE MANUFACTURE OF VANILLIN : en es
  • FR909243A - Constant heating calorimeter : en fr
  • ES173144A1 - A SYSTEM OF TISAJE FOR THE MANUFACTURE OF FABRICS AND, OR DIRECT MANUFACTURE ON MOLDS OF CLOTHES OR OBJECTS IN CONTINUOUS FABRIC : en es
  • FR909230A - Special motor for concrete breakers, rock drills and other mechanical hammers : en fr
  • US2399209A - Car construction : en
  • CA434429A - Tape serving machine : en fr
  • USD144587S - Design for a vise : en
  • CH242256A - Device for displaying the radiation of bundled high-frequency energy. : de en
  • GB577050A - Improvements relating to apparatus for drying air for fluid pressure braking apparatus : en
  • CA434434A - Coated sheet product : en fr
  • US2399496A - Desulphurization process : en
  • GB576987A - Improvements in or relating to staples : en
  • US2399181A - Method of making fastener studs : en
  • GB577061A - Improvements in furnaces particularly applicable for the heat treatment of metal : en
  • FR909094A - Direct-fired air heater with helical fan : en fr
  • AU316046A - Improvements in and relating tothe manufacture of heterocyclic nitrogen compounds : en
  • USD144586S - Design fob a juice extractor : en
  • US2399245A - Fluid dispensing device : en
  • FR909265A - Device for obtaining a mixture of fluids under constant flow, the concentrations of which vary as a function of time : en fr
  • US2399204A - Glass run channel : en
  • USD144580S - Design fob a font of type : en
  • US2399265A - Smoke screen equipment : en
  • US2399458A - Internal-combustion hammer : en
  • US2399248A - Depth charge projector : en
  • AU307846A - Rotary compressor or motor : en
  • CH242143A - Device for steaming piece goods. : de en
  • US2399395A - Process for making styrene from methyl phenyl carbinol : en
  • AU121315B2 - Improvements in or relating to seal constructions : en
  • US2399546A - Apparatus for distributing stock to the cylinder of paper machines : en
  • US2399511A - Flashlight : en
  • CA434496A - Non-cellulosic organic material bleaching : en fr
  • CA434500A - Tin plating from potassium stannate bath : en fr
  • CH242217A - Stop valve for water pipes combined with a drain cock. : de en
  • USD144592S - Design for a combined chair and magazine rack : en
  • CH242247A - Process for the preparation of sulfanilamide derivatives. : de en
  • BE463602A - Cinematographic film and its preparation process : en fr
  • CA434468A - Release link : en fr
  • CA434472A - Solution preparing apparatus : en fr
  • USD144547S - Design for a conical button : en
  • AU130341B2 - Improvements in or relating tothe manufacture of selenium elements such as rectifiers : en
  • AU134076B2 - Improvements in or relating to calculating equipment : en
  • US2399424A - Means and method of fitting shoes : en
  • USD144554S - Embroidered monogrammed medallion : en
  • FR909099A - Improvements to pneumatic remote control mechanisms : en fr
  • FR909286A - Steering bearing for cycles and motorcycles : en fr
  • US2399584A - Mechanical collator : en
  • US2399436A - Scaffold construction : en
  • ES12794U - Expansion vessel-tanks for hot water heating installations. (Machine-translation by Google Translate, not legally binding) : en es
  • ES170622A1 - IMPROVEMENTS INTRODUCED IN THE PROCEDURES FOR OBTAINING DEHYDRATED FOOD PRESERVES : en es
  • FR909249A - Support method and device : en fr
  • ES173015A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • ES12308Y - Perfected terminals for metal drum handles. : en es
  • GB577075A - Improvements in and connected with glass melting tanks or furnaces : en
  • GB577055A - Improvement in air gages for internal dimensions : en
  • GB577019A - Method and arrangement for synchronizing alternating voltages : en
  • US2399609A - Furnace : en
  • AU225446A - Improvements in thermostatic regulators : en
  • CA434428A - Trench digging machine : en fr
  • US2399332A - Amusement ride : en
  • AU1299444A - Improved body harness support fora liquid container : en
  • FR909121A - Clasp for ladies' bags and similar receptacles : en fr
  • FR909154A - Machine for automatic metalworking more particularly for reworking : en fr
  • GB577046A - Improvements in and relating to devices for maintaining the blades of safety razors in sharpened or shaving condition : en
  • GB577076A - Improvements in valves for fluid control : en
  • CH242270A - Transport system, especially for skiers. : de en
  • CA434423A - Grinding mill : en fr
  • CH242168A - Process to prevent rust formation on ferrous metals exposed to atmospheric influences. : de en
  • CH242291A - Process for the preparation of a p-amino-benzenesulfonamide. : de en
  • US2399182A - Spray drying device : en
  • USD144578S - Design for a brooch or similar article : en
  • CA434527A - Thermionic tube : en fr
  • US2399328A - Circuit breaker : en
  • CA434417A - Stabilized therapeutic agent : en fr
  • CH242208A - Extrusion press. : en it
  • CA434479A - Handcuffs : en fr
  • CA434506A - Metal article protection : en fr
  • US2399225A - Vitreous cellular materials : en
  • US2399565A - Dairy product : en
  • CA434503A - Print developing apparatus : en fr
  • GB576938A - Production of new organic silicon compounds : en
  • FR53588E - : fr
  • US2399329A - Electrical follow-up system : en
  • USD144572S - Design for a stereoscope casing : en
  • US2399420A - Electronic translating device : en
  • FR909103A - Improvements in the manufacture of spring mattresses, cushions, etc. : en fr
  • FR909232A - Salad bowl : en fr
  • US2399423A - Heating apparatus : en
  • US2399319A - Washing machine transmission and support : en
  • US2399392A - Netted fabric : en
  • AU121350B2 - Improvements in or relating to abrasive articles and methods of making thesame : en
  • US2399199A - Quick, high precision ball releasing mechanism : en
  • CH242181A - Device for opening envelopes. : de en
  • USRE22751E - Process of treating fatty : en
  • US2399321A - Pipe lining machine : en
  • AU128714B2 - Improvements in or relating to tobacco leaf stemming machines : en
  • CA434501A - Draft gear : en fr
  • CH242235A - Electrical resistance, which consists of a rod-shaped carrier wrapped with a wire or band-shaped resistance material. : de en
  • CH242148A - Process for preserving fruit, fruit or grape juice. : de en
  • CA434488A - Antifreeze composition : en fr
  • US2399605A - Motorized lift truck : en
  • CA434490A - Machine tool collet : en fr
  • PL33209B1 - The method of producing coke briquettes. : en pl
  • US2399391A - Can testing and selecting device : en
  • US2399568A - Transmission mechanism : en
  • US2399537A - Carton : en
  • CA434530A - Hydraulic scoop : en fr
  • US2399177A - Variable-speed device : en
  • US2399291A - Liquid level indicator : en
  • US2399400A - Moistening device : en
  • CH242149A - Apparatus for separating and fractionating substances by forming foams and separating the liquid contained in these foams. : en fr
  • US2399526A - Nut lock : en
  • CA434450A - Ski fitting : en fr
  • FR909153A - Concrete construction process in prefabricated elements : en fr
  • AU2398345A - Improvements in or relating to resinous compositions : en
  • US2399430A - High-frequency electrical switch and contactor system : en
  • US2399191A - Production of slivers of artificial fibers : en
  • US2399281A - Leveling bar for coke ovens or the like : en
  • CH242264A - Box with closure. : de en
  • US2399548A - Centrifugal pump : en
  • US2399560A - Apparatus for production of olefins and diolefins : en
  • USD144573S - Design for a portable barbecue : en
  • ES173040A1 - AN APPARATUS FOR STRAWING NAILS OR TIPS : en es
  • GB577067A - Improvements in aluminium-rich alloys : en
  • GB577081A - Cooled x-ray tube head : en
  • US2399217A - Airplane carrier glider : en
  • AU1284344A - Modification of drying or semi-drying oils : en
  • US2399173A - Light signal : en
  • ES8220Y - New cash register : en es
  • FR909189A - Transport chute made up of rolled side profiles between which is mounted a bottom plate serving as a transport path : en fr
  • GB577015A - A process for the production of water gas and like synthesis gases : en
  • CA434511A - Electrical fuse : en fr
  • ES12825U - Device for support and removable articulation of the bed base in bed furniture. (Machine-translation by Google Translate, not legally binding) : en es
  • CH242169A - Process for improving the corrosion resistance of items made of stainless steels. : de en
  • AU298846A - Improvements in or relating to heat-resisting capacitors : en
  • US2399309A - Grooving tool : en
  • US2399411A - Mastic compositions : en
  • US2399361A - Manufacture of cyanogen : en
  • FR909070A - Paper objects such as toys, models, etc., and raw material for their making : en fr
  • GB576958A - Ventilation and exhaust pipe cooling in boats : en
  • ES12801U - Improved device to obtain combined photographs. (Machine-translation by Google Translate, not legally binding) : en es
  • CA434419A - Trouser hanger : en fr
  • US2399175A - Duplicating machine : en
  • PL33203B1 - Method of securing walls from moisture : en pl
  • US2399441A - Balanced amplifier system : en
  • USD144538S - Design fob a portable lubrication unit : en
  • AU134653B2 - Nitriding process : en
  • US2399162A - Liquid applicator : en
  • AU132090B2 - Improvements in reservoir writing instruments : en
  • USD144537S - Combined radio receiver, lamp, and ash tray : en
  • CH242150A - Process for the preparation of dispersions. : de en
  • CH242197A - Central seconds timepiece. : en fr
  • CA434497A - Cellulosic textile material dyeing process : en fr
  • USD144545S - Radio cabinet or the like : en
  • CA434461A - Diazine derivative : en fr
  • AU165346A - Improvements in or relating to tobacco leaf stemming machines : en
  • AU102946A - Improvements in or relating to gyroscopic instruments for navigation andthe like : en
  • AU133278B2 - Improvements in or relating to pressure control devices ior fluid compressors : en
  • IE17370L - Styrene interpolymers; coating compositions : en
  • FR53553E - : fr
  • CH242137A - Vessel for beverages and process for their production. : de en
  • CH242236A - Tilt generator for generating sawtooth-shaped vibrations. : de en
  • CA434499A - Filter medium producing method : en fr
  • AU121328B2 - Improved body harness support fora liquid container : en
  • CA434469A - Tractor : en fr
  • CH242134A - Thermal insulation device on cooking vessels. : de en
  • FR909142A - Improvement in heating devices such as stoves : en fr
  • FR909165A - Improvements to network protection devices : en fr
  • US2399260A - Filamentous product : en
  • USD144600S - Design foe a vacuum cleaner casing : en
  • AU121375B2 - Improvements in or relating to chain drive assemblies : en
  • CH242120A - Process for the production of bitumen, respectively. Mixtures containing tar. : de en
  • CH242263A - Barrel made of light metal. : de en
  • AU310246A - Vacuum tube voltmeter : en
  • AU1282844A - Spiral filaments : en
  • ES173095A3 - A DEVICE FOR THE CONTINUOUS DESCERATION OF MINERAL OIL : en es
  • BE464157A - : en fr
  • FR909188A - Method of regulating the flow rate of injection pumps and device for its implementation : en fr
  • CA434532A - Portable power saw : en fr
  • GB577030A - Improvements relating to electric fuse distribution boxes : en
  • US2399502A - Protective holder for electric discharge devices : en
  • USD144546S - Design for a coat : en
  • ES172882A1 - A NEW PROCEDURE FOR CONSTRUCTION OF BLOCKS, BANKS, DOORS, WINDOWS, MOLDINGS AND SIMILAR : en es
  • GB577042A - Improvements in justifying devices for typewriters : en
  • CA434440A - Resin impregnated sheet or board : en fr
  • FR909110A - Building block molding machine : en fr
  • US2399381A - Ship propulsion control : en
  • ES12796U - Apparatus for separating the egg yolks from the egg whites. (Machine-translation by Google Translate, not legally binding) : en es
  • CA434451A - Fuel injection apparatus : en fr
  • FR909248A - Device allowing remote control of the position of actuators : en fr
  • US2399336A - Latchable electromagnetic contactor : en
  • US2399474A - Hydraulic servomotor : en
  • FR909193A - Improvement in the manufacture of varicose vein stockings and resulting industrial products : en fr
  • GB576952A - Improvements relating to sliding doors : en
  • ES12847U - Cigarette for dessert. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909055A - Relief cinematography process : en fr
  • CH242210A - Surface grinding machine. : de en
  • CA434435A - Closure for bottles, jars, etc. : en fr
  • GB577093A - Improvements in or relating to power operated saws : en
  • US2399489A - Coating compositions for paper and the like : en
  • ES172990A1 - A SYSTEM OF CLAMPS FOR SIMULTANEOUS SIDE PRESSURE, IN THE MANUFACTURE OF RUBBER FLOORING OF THE SHOES, FORMING BODY WITH THE CUT : en es
  • GB577033A - Improvements in or relating to projectiles : en
  • ES173037A2 - HIGH PRESSURE MERCURY VAPOR ELECTRIC DISCHARGE LAMP : en es
  • ES173022A1 - A PROCEDURE FOR OBTAINING DRY STARCH PREPARATIONS, SOLUBLE IN COLD WATER : en es
  • FR909081A - Device for cooling by air operable the end of the gasifier hearth nozzles : en fr
  • FR909087A - Small power blower : en fr
  • CA434449A - Electrolyte for polishing metal surfaces : en fr
  • CH242222A - Steam or gas turbine for high working medium temperatures. : de en
  • PL33208B1 - Recommended for chamotte and ceramic items : en pl
  • ES12797U - Table-tray for service of people lying down. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577009A - Improvements in or relating to fuze-setting apparatus : en
  • ES12757U - Locking closure, applicable to purses, bags, cases, boxes and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB577049A - Wall skirtings : en
  • FR909080A - Installation part fitted with a suction blower, in particular for paper mills : en fr
  • GB577010A - Improvements in or relating to buffers or cushioning devices for machine guns : en
  • DK64460C - Vacuum tapping machine. : da en
  • GB577090A - Improvements in and relating to grinding-wheels and the dressing thereof : en
  • USD144556S - Design fok a sckeen door latch : en
  • FR909175A - Improvements in the regulation of electric rectifiers : en fr
  • FR909219A - Bucket device especially for incubators and other applications : en fr
  • ES172793A1 - A PROCEDURE AND DEVICE FOR MAKING AUXILIARY MOVEMENTS IN TEXTILE MACHINES : en es
  • ES173120A1 - A PROCEDURE FOR PREPARING RESIN COMPOSITIONS : en es
  • FR909228A - Non-slip hoof protector : en fr
  • FR909091A - Convertible case : en fr
  • FR909250A - Multiple combination barrier : en fr
  • USD144541S - Combined chip holder and ash tray : en
  • FR909155A - Improvements to photographic enlargers : en fr
  • ES172983A1 - AN ELECTRIC SWITCH WITH MULTIPLE RUPTURE POWERED BY PUSH BUTTONS : en es
  • FR909222A - Process for manufacturing a resin soap and soaps conforming to those obtained by this process : en fr
  • GB577008A - Improvements in and relating to catalysts : en
  • US2399287A - Unsaturated esters and polymers thereof : en
  • US2399530A - Bomb selector : en
  • CH242272A - Electric heating and drying device. : en fr
  • US2399498A - Flower holder for cemetery use : en
  • FR909119A - Construction method and construction elements for its implementation : en fr
  • ES172534A1 - A PROCEDURE FOR THE OBTAINING OF WOOL FROM SCORIAS BY MEANS OF STEAM : en es
  • FR909199A - Liquid product that heals vines and trees and can also be used to disinfect premises : en fr
  • US2399374A - Magazine hammer : en
  • ES12394U - Nail for horseshoes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909097A - Tanker for the transport of any suitable material, liquid, powder or solid : en fr
  • US2399237A - Polishing material and process of preparing same : en
  • GB576950A - Improvements in or relating to dry shaving apparatus : en
  • IE17677L - Electrical consumption control : en
  • FR909069A - Metal or plastic beehive buildings : en fr
  • ES12818U - Universal joint for floor lamps. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173011A1 - AN ELECTRO-CHEMICAL CONDENSER : en es
  • ES12318Y - Hair dryer. : en es
  • FR909089A - Improvement in pedaling propulsion : en fr
  • USD144576S - Brooch or similar article : en
  • US2399413A - Aviation gasoline : en
  • US2399325A - High-frequency-oscillation generator or amplifier : en
  • AU121370B2 - Screws : en
  • CH242212A - Device for tensioning wire. : de en
  • ES171359A1 - A DEVICE FOR THE MANUFACTURE OF CONCRETE ELEMENTS : en es
  • ES173041A1 - A PROCEDURE FOR THE OBTAINING OF ARTIFICIAL WOOD PLATES : en es
  • US2399523A - Control system and device therefor for submarine mines : en
  • GB577094A - Improvements in drafting apparatus for drawing, spinning and like textile machines : en
  • USD144565S - Design fob a table : en
  • GB576939A - Cheese and process of producing the same : en
  • US2399414A - Resilient mounting : en
  • ES173062A1 - IMPROVEMENTS IN A RADIOGONIOMETRIC SYSTEM DESTINED FOR OBSTACLE DETECTION : en es
  • CH242113A - Process for the production of flat fiber-containing structures. : de en
  • ES172041A1 - A NEW PROCEDURE TO FACILITATE AND ACTIVATE THE COMBUSTION OF CARBONS AND SIMILAR : en es
  • US2399442A - Tool : en
  • ES12834U - Cutting tongs of changeable blades. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173020A1 - A PROCEDURE FOR THE MANUFACTURE OF INSOLUBLE LAYER PREPARATIONS AND THEIR FORMATION ON THE VEHICLE TO WHICH THEY ARE APPLIED : en es
  • ES12808U - Attack device, in two directions, for the injection of air into the tires. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12320Y - Spraying device for veterinary use and the like. : en es
  • ES172861A1 - IMPROVEMENTS IN THE LACQUER MANUFACTURING PROCEDURE : en es
  • GB576991A - Method and apparatus for flushing foreign matter from bearings : en
  • ES12809U - Charging-fountain pens (Machine-translation by Google Translate, not legally binding) : en es
  • FR909058A - Spring starter : en fr
  • FR909172A - Articulated, removable and adjustable sole that adapts to all shoes : en fr
  • ES12316Y - Cartridge or ampoule for loading fountain pens. : en es
  • FR909059A - Adjustable fork-type tolerance gauge : en fr
  • USD144568S - Design for a portable bar : en
  • CH242268A - Bicycle stand. : en fr
  • CH242223A - Internal combustion engine with reciprocating pistons rotating in opposite directions. : de en
  • ES172999A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC CABLES : en es
  • USD144566S - Design fob a toy telephone : en
  • ES12827U - New folding wooden chair. (Machine-translation by Google Translate, not legally binding) : en es
  • CH242156A - Process for the preparation of a, y-dioxy-B, B-dimethyl-butyric acid- (3 ', 4'-dioxy-butyl) -amide. : de en
  • CH242184A - Assembly game. : en fr
  • US2399212A - Disintegrator drill : en
  • US2399307A - Antisweep anchorage for mines of the marine type : en
  • USD144548S - Design for a font of type : en
  • GB577026A - Improvements in optical measuring instruments and/or gauges : en
  • GR10650B - METHOD OF PRODUCTION OF LIQUID OR POWDER UNDERWEIGHT WEIGHING FOR BREWERY IN SUGAR PRODUCTS. : el en
  • FR909101A - Correction system for amplifiers : en fr
  • BE463701A - : fr
  • FR909203A - Process for enriching city lighting gas : en fr
  • ES172989A1 - A PROCEDURE WITH ITS CORRESPONDING DEVICE, TO OBTAIN MOLDED BANDS ATTACHED TO THE COURT OF THE SHOES, IN THE MANUFACTURE OF RUBBER FLOORS UNITED TO THE SAME : en es
  • ES173049A1 - A NEW FUEL GASIFIER FOR LIGHTING : en es
  • US2399606A - Centrifugal casting : en
  • GB576949A - Improvements in or relating to towing eye adaptors for vehicles : en
  • GB576978A - Apparatus for icing bakery goods : en
  • PL33202B1 - Spanner : en pl
  • US2399493A - Change-speed mechanism : en
  • CH242233A - Power cable joint comprising an electrical stress distribution device with capacitors. : en fr
  • GB577087A - Improvements relating to milk cooling devices : en
  • US2399188A - Die set and method of manufacture thereof : en
  • US2399324A - Inflated softball : en
  • US2399224A - Conversions of hydrocarbons : en
  • ES173102A1 - A PROCEDURE FOR THE MANUFACTURE OF TOWELS : en es
  • GB576997A - Improvements in or relating to detachable grate bar construction for travelling grate : en
  • US2399470A - Cigarette case : en
  • FR909210A - Food tablet made from dried milk : en fr
  • FR909181A - Process for manufacturing a resin-like binder : en fr
  • FR909253A - Improvement in security locks : en fr
  • AU121369B2 - Improvements relating to parachute packs : en
  • US2399359A - Baby carriage : en
  • ES173119A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTICLES OF SYNTHETIC RESIN : en es
  • GB577006A - Improvements in apparatus for setting the fuzes of projectiles : en
  • AU130981B2 - Improvements in or relating to heat-resisting capacitors : en
  • US2399558A - Organic cementing solutions : en
  • FR909220A - Piston for internal combustion engines : en fr
  • IE17360L - Polystyrenes ; coating compositions : en
  • DK64451C - Electric Discharge Tube with at least two Control Grids. : da en
  • US2399576A - Spotting board attachment : en
  • US2399164A - Dehydration process : en
  • US2399206A - Process : en
  • USD144583S - Design for an electric heater : en
  • AU121304B2 - Cork extrusion apparatus : en
  • AU315946A - Improvements in reservoir writing instruments : en
  • CH242170A - Process for processing sulphite cellulose waste liquor. : de en
  • CA434495A - Non-cellulosic organic material bleaching : en fr
  • US2399369A - Writing machine : en
  • CA434455A - Fluid pressure mechanism : en fr
  • CA434522A - Locator : en fr
  • CH242114A - Tiled roof. : de en
  • US2399465A - Dust preventive composition : en
  • CA434432A - Sheet stretcher-levelling and flanging machine : en fr
  • CH242225A - Engine for rear motor vehicles. : de en
  • US2399189A - Roller mounting for shells : en
  • CH242240A - Electromagnetic device with U-shaped yoke and rotating armature. : de en
  • AU220046A - Modulator Systems : en
  • AU1460244A - Improvements in or relating to chain drive assemblies : en
  • CH242258A - Feedback tube transmitter for ultra-short waves. : de en
  • US2399589A - Heater : en
  • DK64452C - X-ray machine with control means connected for automatic achievement of maximum load. : da en
  • CA434478A - Electrical musical apparatus : en fr
  • CA434453A - Fluid pressure device : en fr
  • CH242125A - System with heat storage to utilize solar heat. : de en
  • AU1283044A - Tuning indicator : en
  • CH242283A - Device for regulating the operation of refrigerators serving refrigerating machines. : de en
  • CH242261A - Device for joining pieces of paper, cardboard, cellulose film or similar material placed one on top of the other. : de en
  • USD144602S - Design for a game board : en
  • US2399205A - Cleaning process : en
  • CH242201A - Waterproof case for watch movements and measuring devices. : en fr
  • CH242209A - Process for the vulcanization of rubber objects. : de en
  • US2399453A - Electric flash welding : en
  • GB577080A - Method and device for the location of faults, depth determination and tracing of electrical conductors : en
  • AU1443844A - Method of and means for testing the supplementary fuel valve on vacuum controlled carburettors : en
  • CA434427A - Electric razor : en fr
  • ES173097A1 - A NEW SUSPENSION SYSTEM FOR BIKES : en es
  • AU132302B2 - Improvements in or relating to pipes pipe joints and methods of forming thesame : en
  • CA434504A - Conductor unit for electrical wiring systems : en fr
  • PL33205B1 - Paddle wheel for moving water vehicles : en pl
  • GB576967A - Improvements in or relating to a device for discharging cohesive solids from an endless support : en
  • CH242286A - Process for the preparation of a condensation product. : de en
  • AU1351744A - Improved apparatus for use in shaping diamonds : en
  • CH242224A - Four- or multi-cylinder in-line engine for transverse installation in rear-engine vehicles. : de en
  • CH242172A - Method and device for the production of sheets, sheets etc. (e.g. artificial leather sheets) from pulp. : de en
  • US2399284A - Stabilizer : en
  • US2399242A - Land mine : en
  • US2399267A - Cleaning method : en
  • USD144595S - Design for a medicine cabinet : en
  • US2399416A - Mucking and loading machine : en
  • US2399378A - Table and seat structure : en
  • US2399422A - Apparatus for cooling extruded plastics : en
  • FR909212A - Roofing material and rapid constructions : en fr
  • US2399331A - Arc welding system : en
  • AU293246A - Improvements in or relating to electric air-break circuit-breakers : en
  • US2399167A - Tank filler : en
  • US2399255A - Method and apparatus for balancing : en
  • BE463776A - : en
  • AU303246A - Altimeter : en
  • CH242130A - Furniture with bed. : de en
  • GB576944A - Improvements in and relating to resinous polymerization products : en
  • ES166068A1 - A PROCEDURE TO MANUFACTURE CHARCOAL ELECTRODES : en es
  • ES6206Y - Scooter style vehicle, powered by pedal. : en es
  • GB576985A - Means for securing parts by bolting : en
  • GB577063A - Means for supplying liquids to grinding, cutting or other machines : en
  • CH242107A - Gardening tool for crumbling the soil. : de en
  • FR909278A - Rear hub combined with a freewheel with ramps, for bicycles, tandems or the like : en fr
  • GB576975A - Hose clamps : en
  • ES172981A1 - A SHARPENING MACHINE OF TAPE SAWS AND CIRCULARS : en es
  • US2399313A - Process for the manufacture of electrical capacitors : en
  • US2399385A - Sandblasting apparatus and the like : en
  • BE463924A - : en fr
  • ES12811U - Device for securing parts to tubular shafts. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172186A3 - A NEW SYSTEM WITH ITS CORRESPONDING DEVICES TO IMPROVE THE INJECTION PROCESSES PERFORMED THROUGH PLUNGERS : en es
  • FR909254A - Improvements made to supports for electric surgical instruments, in particular those for electric scalpels, for thermo-cauteries and the like : en fr
  • GB577025A - Improvements relating to thermostatically controlled valves : en
  • ES172748A3 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRICAL INSULATING MATERIALS : en es
  • US2399462A - Electric switch : en
  • ES12339Y - Automatic dispenser for powders : en es
  • FR909111A - Manufacturing process for armed labels and the like : en fr
  • GB577070A - Improvements in thermionic cathodes for electric discharge devices : en
  • US2399402A - Electrical connecting and radioshielding means : en
  • CH242260A - Circuit for phase modulation of an electrical oscillation. : de en
  • ES12759U - Flyscreen tape not adhesive. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909086A - automatic fuel saver : en fr
  • FR909150A - Improvements in the construction of metal wheels : en fr
  • USRE22749E - Locking sectional handle : en
  • FR909260A - Tubular heat recovery unit : en fr
  • GB576963A - Improvements in or relating to colour photography : en
  • US2399519A - Truck : en
  • DK64446C - Procedure for crystallizing substances of solutions. : da en
  • FR909117A - Floor drain and corresponding floor feed-through : en fr
  • ES12661U - Bag to pack parachutes and facilitate their deployment quickly. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12845U - Muescador for books and files. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172743A1 - IMPROVEMENTS IN THE MANUFACTURING METHODS OF ELECTRICAL POWER CABLES : en es
  • ES173033A1 - A NEW PHOTOGRAPHIC PROCEDURE FOR THE CREATION OF IDENTITY DOCUMENTS, ON NON-SENSITIZED SUPPORTS : en es
  • GB577003A - Improvements in or relating to temperature expansion compensators for closed hydraulic systems : en
  • US2399456A - Plasticized polyvinyl compositions : en
  • CA434480A - Clamping device : en fr
  • ES11699Y - Containers for canned meat and fish. : en es
  • ES172937A1 - IMPROVEMENTS IN TRANSPORTERS FOR THE DEVELOPMENT OF ITINERARIES : en es
  • FR909131A - Bodywork ring, seal or bead : en fr
  • US2399274A - Electrical device : en
  • US2399353A - Alkylation process : en
  • US2399457A - Loom : en
  • SU66185A1 - Differential thermometer : en ru
  • US2399240A - Alkylation of isoparaffins with olefins : en
  • US2399447A - Azo dyestuffs of the pyrazolone series : en
  • FR909198A - Centrifugal device for loading and unloading airplanes in flight : en fr
  • FR909074A - High flow wet cell battery : en fr
  • AU121308B2 - Improvements in or relating tonon-detonating deflagrating explosive compositions and delay combustion train devices obtained therefrom : en
  • GB577011A - Improvements in time fuzes for projectiles : en
  • US2399543A - Shoe and the like : en
  • AU305246A - Radio beacons : en
  • CA434421A - Draft gear : en fr
  • ES173056A3 - A NEW CONCRETE VIBRATION APPARATUS SYSTEM : en es
  • ES173061A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR ASSEMBLING GROUPS OF DISCS OR GRINDING PLATES IN SUITABLE PACKAGING : en es
  • CA434444A - Strainer for vegetables and fruits : en fr
  • GR10646B - CIGARETTE TABLE DEVICE WITH THEIR EXPORT HANGER. : el en
  • ES172955A3 - A MODIFICATION DEVICE TO REDUCE DISTORTION IN MODULATED AMPLIFIERS : en es
  • FR909174A - New manufacturing process for shoe soles of all kinds and all kinds of fibers : en fr
  • FR909129A - heat exchanger : en fr
  • FR909215A - Bolt with instant head formation : en fr
  • DK64465C - Wastewater separator. : da en
  • GR10651B - METHOD OF MELTING FRESH BUTTER CHANGING INTO COOKING AND KEEPING THE INGREDIENTS OR VITAMINS FOR A LONG TERM PER TIME. : el en
  • FR53578E - : fr
  • GB577036A - Improvements in or relating to the launching of torpedoes : en
  • ES12836U - Clinical thermometer perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909161A - Improvements to telephone systems : en fr
  • FR909268A - Improvement in washing wool after mowing : en fr
  • GB576937A - Improved methods of welding joints : en
  • GB577096A - Improvements in or relating to reservoir pens : en
  • AU311646A - Improvements in or relating to electrical pickups for gramophones : en
  • US2399538A - Squeegee device : en
  • USPP687P - Rose plant : en
  • CA434442A - Shingle : en fr
  • CH242288A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • AU1437044A - Screws : en
  • PL33206B1 - A method of joining ready-made concrete or reinforced concrete construction elements and an insert for carrying out the method. : en pl
  • US2399494A - Life raft : en
  • US2399268A - Frequency modulation : en
  • AU121313B2 - Improvements in release hooks for aircraft andthe like : en
  • US2399488A - Halogenation of unsaturated organic compounds : en
  • US2399607A - Process of making vanillin : en
  • CH242257A - Feedback tube arrangement for ultra-short waves. : de en
  • US2399397A - Marking or embossing machine : en
  • US2399187A - Frame element for machine tools : en
  • US2399448A - Speed indicator : en
  • AU1179843A - An improved method and apparatus to enable a craft to travel over or above the surface of water while being supported and/or stabilized thereby : en
  • AU318846A - Improvements in or relating to calculating equipment : en
  • USD144571S - Design fob a game board : en
  • ES173036A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ROLLING CABRIAS TO RAISE AUTOMOBILES : en es
  • US2399166A - Cutter chain : en
  • US2399382A - Directional antenna system : en
  • FR909054A - Improvement in photoelectric cells : en fr
  • FR909255A - mine prop : en fr
  • CH242241A - Relay-switch. : en fr
  • CH242227A - Device for changing the stroke of engines whose pistons drive the crankshaft via a rocker arm. : de en
  • ES12804U - Sanitary spittoon hand. (Machine-translation by Google Translate, not legally binding) : en es
  • ES12817U - Closure for monkey, jacket or similar garment, which provides double service. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172860A1 - IMPROVEMENTS IN THE PROCEDURE AND APPARATUS FOR EXAMINING METALS : en es
  • ES173123A1 - IMPROVEMENTS INTRODUCED IN POSTAL SECURITY CLOSURE SYSTEMS : en es
  • GB577072A - Manufacture of hard carbides : en
  • USD144564S - Design for a bookmark : en
  • FR909280A - Device for reading the indications given by the measuring devices : en fr
  • US2399233A - Process for the opacification of vitreous enamels : en
  • FR909085A - Method and device for heating by laminar combustion of gas inside dark-ray tubes : en fr
  • ES173066A1 - A PROCEDURE FOR OBTAINING FUMIGATION COMPOUNDS : en es
  • US2399219A - Apparatus for cutting metal : en
  • USD144597S - Design for a clamp : en
  • FR909206A - Cooling radiator for all liquids : en fr
  • FR909279A - Lightweight projectile without casing and smooth-bore weapons and without extractor : en fr
  • AU132185B2 - Improvements in or relating to electric transformers : en
  • AU132262B2 - Modulator Systems : en
  • ES173080A1 - A PROCEDURE FOR THE MANUFACTURE OF FLOORS OR FLOORS FOR FOOTWEAR, BASED ON VEGETABLE FIBERS, MINERALS OR ANIMALS, OR THEIR MIXTURES, WITH OR WITHOUT REINFORCEMENTS : en es
  • FR909056A - Control device for the switch-off arm of electrical circuit switches : en fr
  • GB577021A - Improvement in or relating to aromatic amine-aldehyde resinous products : en
  • ES12813U - Protective glasses against glare and the action of external agents. (Machine-translation by Google Translate, not legally binding) : en es
  • CH242128A - Heatable mirror. : de en
  • CH242232A - Transformer with iron core at intermediate potential and thrust winding. : de en
  • FR909145A - Hydraulic adjustment device applicable to roller mills and similar machines : en fr
  • FR909292A - Improvements to Swedish bread-making machines : en fr
  • FR909300A - Manufacturing process of organic products derived from the chemical mechanism of assimilation in plants : en fr
  • ES173082A1 - AN ELECTRICAL SWITCH APPARATUS : en es
  • GB576974A - Improvements in or relating to methods of preparing coatings : en
  • GB577086A - Improvements relating to foam-producing apparatus : en
  • US2399289A - Apparatus for purifying liquids : en
  • US2399517A - Shockproof electromagnet : en
  • FR909114A - Injection pump with distribution by spool with beveled edge adjustment : en fr
  • US2399572A - Sealing tubeless pneumatic tire : en
  • US2399582A - Electrical inspection and sorting apparatus : en
  • US2399308A - Knitting machine needle : en
  • FR909211A - Welding device and rod for all ceramic products : en fr
  • GB577054A - Improvements in processes for producing chlorine dioxide : en
  • CA434465A - Collar can collar mounting : en fr
  • ES173126A1 - IMPROVEMENTS IN PAINT SPRAY APPLIANCES : en es
  • FR53576E - : fr
  • ES12391U - Case for pencil or lipstick. (Machine-translation by Google Translate, not legally binding) : en es
  • ES172992A1 - IMPROVEMENTS IN THE MANUFACTURE OF CARBURETORS FOR EXPLOSION ENGINES : en es
  • ES172993A1 - IMPROVEMENTS INTRODUCED IN THE PERCUSSION TOOLS : en es
  • FR909104A - Additional saddle for cycle : en fr
  • FR909241A - Stiffener for shirt collars and similar applications : en fr
  • GB576948A - Improvements in or relating to electric signalling systems : en
  • US2399570A - Material treating apparatus : en
  • ES172956A1 - IMPROVEMENTS IN VOCAL FREQUENCY CALLING DEVICES : en es
  • FR909118A - Independent wheel cycle : en fr
  • FR909152A - Improvements to heating and cooling devices for gaseous fluids : en fr
  • GB577040A - Improvements in liquid cosmetic make up foundation : en
  • US2399431A - Gun sight for antiaircraft weapons and the like : en
  • US2399532A - Temperature control in regeneration of contact masses : en
  • AU314346A - Improvements in or relating to pressure control devices ior fluid compressors : en
  • ES172591A1 - A PROCEDURE AND APPARATUS FOR DESALING SALT WATERS : en es
  • FR909223A - Film and photographic film development facility : en fr
  • FR909105A - Improvements to ball, roller or needle bearings : en fr
  • ES173124A1 - A DEVICE FOR THE MOLDING OF ALLOYS : en es
  • US2399159A - Sewing machine : en
  • US2399440A - Cylinder and dial knitting machine : en
  • US2399528A - Length in terms of weight measuring device : en
  • US2399366A - Synchronous-converter ventilation : en
  • BE463974A - : en fr
  • CA434422A - Line drier : en fr
  • US2399288A - Measuring instrument : en
  • USPP683P - Geranium plant : en
  • ES12831U - Machine to carry out the cleaning of torpedo air chambers and other industrial uses. (Machine-translation by Google Translate, not legally binding) : en es
  • CA434529A - Yarn holder : en fr
  • FR909291A - Driving device for washing machine : en fr
  • GB577073A - Improvements in or relating to plastic, elastic rubber-like substances : en
  • US2399193A - Fishing trap and method : en
  • US2399412A - Circuit interrupter : en
  • US2399592A - Method of making molded thermoplastic articles : en
  • AU1450344A - Improvements in and relating to electrode holders for electric arc welding : en
  • US2399178A - Process for the treatment of beryl : en
  • US2399534A - Etching device for rotogravure cylinders : en
  • USD144582S - Design for a toy : en
  • AU121318B2 - An improved method and apparatus to enable a craft to travel over or above the surface of water while being supported and/or stabilized thereby : en
  • CH242213A - Expansion nail. : de en
  • AU133019B2 - Rotary compressor or motor : en
  • CH242124A - Fireplace with stepped grate for fine fuels. : en fr
  • CH242194A - Device for surge voltage testing by means of a reproducible surge voltage generator. : de en
  • US2399163A - Barbecue machine : en
  • US2399360A - Drum tilting arc : en
  • US2399276A - Variable compression ratio internalcombustion engine : en
  • CH242248A - Process for the preparation of 3,4-di- (p-oxy-phenyl) -hexadiene- (2,4). : de en
  • ES172915A3 - IMPROVEMENTS IN AND RELATED TO PERCUSSION SPOLETS FOR EXPLOSIVE PROJECTILES : en es
  • ES12333Y - Plastic beret stripper. : en es
  • FR909128A - Explosion fire extinguisher : en fr
  • ES12814U - Expansive stainless steel caliber for pitting olives. (Machine-translation by Google Translate, not legally binding) : en es
  • GR10645B - AUTOMATIC DRINK METER. : el en
  • ES173063A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR SPRAYING THE CONTROELECTRODE ON THE RECTIFIER DISCS : en es
  • CH242221A - Liquid pump. : de en
  • CH242262A - Packaging for clothing. : de en
  • US2399460A - Multiselector valve mechanism : en
  • AU323746A - Improvements in or relating to plasticized elastomer compositions : en
  • CH242111A - Process for the production of infill masonry and scaffolding for carrying out the process. : de en
  • BE464176A - : en fr
  • AU121340B2 - Improved means for picking and drying tobacco leaves : en
  • USD144559S - Textile fabric or similar article : en
  • US2399468A - Engine cylinder and head connection : en
  • CH242161A - Process for the preparation of a chromable monoazo dye. : de en
  • CA434507A - Wave length modulation system : en fr
  • CA434424A - Display container : en fr
  • AU132818B2 - Earth induction system : en
  • US2399487A - Unit heater : en
  • CH242173A - Relay plate for quick view files. : de en
  • US2399406A - Electrical apparatus : en
  • BE463848A - : en
  • ES172585A1 - A PROCEDURE FOR THE ELABORATION OF ALL KINDS OF FATS AND INDUSTRIAL OILS AND GRAFFITIZED PASTES : en es
  • ES172949A3 - A UNITARY APPARATUS FOR CLARIFYING LIQUIDS : en es
  • ES173014A1 - IMPROVEMENTS IN THE TENSION BRAKE DEVICES OF THE TELESCOPE FOLDERS : en es
  • ES172832A1 - IMPROVEMENTS IN ELECTRICAL CABLES : en es
  • CH242119A - Mixture for the formation of a hydraulic mortar intended for the manufacture of concrete with high mechanical resistance. : en fr
  • CH242274A - Process for the preparation of a lactone of the cyclopentanopolyhydrophenanthrene series. : de en
  • US2399435A - Fishing pole holder : en
  • US2399216A - Flying aircraft carrier : en
  • DK64457C - Upright carousel machine for making Tavestof objects. : da en
  • ES12297Y - Universal nozzle holder. : en es
  • ES12795U - Hot water storage tank for thermosyphon, intended to be installed at the direct pressure of the water pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399463A - Holder and applicator for cosmetic liquids and the like : en
  • US2399459A - Automatic fuel feed control for internal-combustion engines : en
  • GB577064A - Sharpener for safety razor blades : en
  • US2399335A - Cosmetic appliance : en
  • FR909109A - Improvements to plates and discs having graduations and needles rotating above them : en fr
  • FR909098A - Economical central heating boiler with hot water or low pressure steam, fitted with regulator-recuperator devices : en fr
  • FR53572E - : fr
  • GB577014A - Improvements in speed control systems : en
  • ES12784U - Loose-leaf fastener device (Machine-translation by Google Translate, not legally binding) : en es
  • FR909187A - Process for the preparation of linear high molecular weight polythiourethanes : en fr
  • US2399372A - Rotary cutting tool : en
  • GB577092A - Improvements in electric cut-out or protective apparatus suitable for polyphase circuits : en
  • CH242251A - Bottle stopper, which is particularly suitable for moistening the scalp. : de en
  • US2399323A - Oil tank : en
  • US2399207A - Auxiliary wheel and tire carrier : en
  • USD144534S - Fountain pen barrel or similar article : en
  • USRE22748E - xx - xx - - x : en
  • US2399404A - Precision pressure measuring press : en
  • FR909064A - Shaving brush for beards or other applications : en fr
  • FR909274A - Special frames for trouser suspenders, sock holders or others : en fr
  • GB576993A - Improvements in or relating to filters : en
  • US2399433A - Grapple : en
  • AU1380144A - Improvements relating to surgical dressings : en
  • US2399518A - Golf bag carrier : en
  • US2399574A - Speed regulating device : en
  • US2399236A - Micrometer : en
  • GB576976A - Improvements in or relating to gramophone records : en
  • USD144585S - Design for a portable electric heater : en
  • PL33207B1 - Hand-held weaving loom with pump bottle. : en pl
  • GB576988A - Means for minimising the formation of dust by the action of pneumatic tools on stone or other materials : en
  • FR909160A - Automatic control device for lathe work such as threading and the like : en fr
  • ES10768Y - Universal scientific calendar for all years of all centuries. : en es
  • USD144557S - Design for a handbag : en
  • GB577062A - Improvements in or relating to turbo-compressor propulsive apparatus : en
  • AU121338B2 - Improvements in and relating to vulcanised or sulphurised oil compositions and to products or articles of manufacture produced withthe aid thereof : en
  • ES142721A1 - A great drafting mechanism for spinning machines. : en es
  • ES173070A1 - A OPERATION OF VIA RELAYS : en es
  • ES12311Y - Box-case for sanitary use. : en es
  • BE463917A - Process for treating vegetable matter to obtain paper pulp. : en fr
  • US2399390A - Radio-shielded connection, especially for spark plugs : en
  • US2399586A - Balanced modulator system : en
  • US2399208A - Surface useful materials : en
  • CA434454A - Brake control mechanism : en fr
  • CH242220A - Oler with elastic oil container. : de en
  • BE463804A - : en fr
  • US2399579A - Protractor : en
  • ES173128A1 - IMPROVEMENT IN SELECTOR SWITCHES : en es
  • FR909262A - New remote control and telecommunication process : en fr
  • US2399357A - Heat exchanger : en
  • FR909163A - Cycle frame : en fr
  • AU130984B2 - A method of preventing butyric acid fermentation in cheeses : en
  • CH242164A - Process for the production of a tanning condensation product. : de en
  • CH242266A - Apparatus for mounting and centering metal spoked wheels, in particular bicycle wheels. : en fr
  • ES12820U - Closing or gasket for water pump of motors. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173055A1 - A NEW AUTOMATIC DRIVE MACHINE, FOR PLACEMENT, WITH SIMULTANEOUS VULCANIZATION OF THE RUBBER FLOORS ON THE SHOE CUTTING : en es
  • FR909239A - Further development of rotary liquid ring devices : en fr
  • AU136310B2 - Improvements relating to self-baking electrodes for electric furnaces : en
  • US2399525A - Quick disconnect coupling : en
  • US2399426A - Remote detection and control system : en
  • US2399434A - Sulphonated ethers : en
  • US2399348A - Bending mechanism : en
  • USD144555S - Design for a beverage dispenser : en
  • US2399295A - Electromagnetic operator : en
  • US2399367A - Series capacitor protection : en
  • US2399553A - Aircraft fire extinguishing system : en
  • CH242218A - Mechanism for producing a tumbling and pivoting movement. : de en
  • DK64456C - Regenerators, in particular for hot air motors, and methods for producing a filler for such regenerators. : da en
  • FR909068A - Mechanical wrench : en fr
  • GB576979A - Improvements in or relating to washing or like machines used in laundries : en
  • CH242127A - Holder. : de en
  • CH242269A - Bicycle crank key, for fixing the crank arm to the axle. : en fr
  • ES136479A1 - A great drafting mechanism for spinning machines. : en es
  • FR909177A - Injector for liquid fuels for internal combustion engines or other applications : en fr
  • FR909205A - Ground coil circuit breaker : en fr
  • CA434443A - Combined printing and viewing arrangement : en fr
  • AU133473B2 - Vacuum tube voltmeter : en
  • FR909213A - Skill and instruction game : en fr
  • AU310646A - Improvements in. or relating to radio beacon systems forbearing determination by measurement of phase difference : en
  • ES172994A1 - A NEW VEHICLE SYSTEM WITH MOTOR COUPLED TO THE DIFFERENTIAL : en es
  • AU134447B2 - Indicating system : en
  • AU1470444A - Improvements in or relating to abrasive articles and methods of making thesame : en
  • CA434477A - Photographic developer containing aminophenol derivative : en fr
  • CA434502A - Cold forging machine : en fr
  • CA434471A - Disc harrow : en fr
  • CA434486A - Spring suspension : en fr
  • AU121362B2 - Improvements in and relating tothe covering of self-sealing fuel tanks : en
  • CH242228A - Fuel injection pump for internal combustion engines. : de en
  • GB576961A - Improvements in taps, valves and the like : en
  • AU121337B2 - An improved method of and apparatus for packing or canning food andother plastic substances : en
  • ES12290Y - Coffee filter cup. : en es
  • FR909245A - Transformation enclosure for transporting or handling fluids or solids of any kind : en fr
  • AU130929B2 - Molding compositions containing polyvinyl acetal resins : en
  • AU219846A - Improvements in or relating to electric transformers : en
  • GB576941A - Improvements in directive wireless systems : en
  • AU1327044A - Improvements in and relating tothe covering of self-sealing fuel tanks : en
  • ES12337Y - New immovable stopper for tin, lead or rubber tubes, destined for pastes and creams. : en es
  • ES173025A1 - A NEW PROCEDURE FOR THE PREPARATION OF PURGANTS AND LAXANTS : en es
  • CA434492A - Biotin recovering process : en fr
  • FR909257A - Improvements to multi-tube water tube steam boilers : en fr
  • AU121344B2 - Method of and apparatus for heating textile fibres : en
  • FR909106A - Improvements made to pedal-operated velocipeds : en fr
  • US2399180A - Sublimation apparatus : en
  • ES12798U - Instrument to fish scale. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576957A - Adjusting device for varying the release point of overload release devices : en
  • GB577005A - Improvements in or relating to high frequency electron discharge apparatus : en
  • US2399399A - Wiper blade connector : en
  • GB576955A - Board game : en
  • AU214546A - Improvements in or relating tothe manufacture of rubber transformation products : en
  • GR10644B - ADHESIVE AND INSULATION TAPES. : el en
  • ES12822U - Table for bicycles and analogues with guide tube applications (Machine-translation by Google Translate, not legally binding) : en es
  • FR909122A - Improvements to tapping devices : en fr
  • ES173121A3 - A TANK TO STORE LIQUIDS : en es
  • ES173109A1 - A PROCEDURE FOR COUPLING ELECTRICAL INSTALLATIONS, LUMINOUS DEVICES FOR AUTOMATIC CONTROL, REDUCED INTENSITY AND ADAPTABLE TO SECURITY SYSTEMS : en es
  • ES172998A1 - IMPROVEMENTS IN FACSIMILE TRANSMISSION SYSTEMS : en es
  • FR909251A - Improvements made to flags, in particular signal flags : en fr
  • USD144563S - Design for a bracelet or similar article : en
  • ES12789U - Protective caps, with clamping device, for note pads. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11073Y - Footwear with invisible heel. : en es
  • GB576947A - Chain-shifting mechanism for variable-speed chain gear of cycles and the like : en
  • FR909200A - Universal service table for hairdressers : en fr
  • CH242249A - Process for the preparation of an aneurine derivative. : de en
  • FR909192A - One-piece composite slabs in reconstituted or natural wood : en fr
  • ES12824U - Lever adaptable to the filing folders of correspondence and documents in general. (Machine-translation by Google Translate, not legally binding) : en es
  • USD144543S - Scatter hug or similar article op manufacture : en
  • FR909112A - Patience or trick game system : en fr
  • ES12283Y - Device extinguishes cigarettes and the like. : en es
  • ES169455A1 - IMPROVED IMPROVEMENTS IN OBTAINING PROTECTIVE PAINTS AGAINST OXIDATION : en es
  • ES173096A1 - IMPROVEMENTS IN THE CONSTRUCTION OF NETHERLANDS BATTERIES INTENDED FOR THE PREPARATION OF CELLULAR PASTES OR OTHER PROPER MATERIALS FOR THE MANUFACTURE OF PAPER, ARTIFICIAL SILK, CELOPHAN OR ANALOGUE PRODUCTS : en es
  • US2399202A - Metal structure : en
  • US2399344A - Endoalkylene hydroaromatic acids : en
  • US2399380A - Double armature contactors : en
  • US2399513A - Piezoelectric transducer : en
  • US2399485A - Electric circuit breaker : en
  • US2399322A - Modified characteristic relaying apparatus : en
  • US2399472A - Rotating valve : en
  • US2399264A - Needle for hand knitting : en
  • US2399273A - Electrical device : en
  • US2399172A - Lubricant pump : en
  • FR909052A - Modulation system : en fr
  • FR909214A - Polycylindrical internal combustion machine with opposed pistons : en fr
  • GB576995A - Hardenable compositions containing urea-aldehyde resins : en
  • GB576994A - Improvements relating to wire tensioning devices for use in coil winding machines : en
  • GB577035A - Improvements in fuzes for bombs and marine mines and the like : en
  • US2399269A - Hydraulic brake system : en
  • ES12800U - Nozzle applicable to deboning machines of all kinds, especially olives. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909075A - Bend axle for vehicles, and method of manufacture thereof : en fr
  • ES173017A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FLUID TRANSFUSIVE APPARATUS AND ESPECIALLY BLOOD : en es
  • FR909065A - Panel for partition walls of buildings or other applications : en fr
  • FR909194A - Self induction adjustable for high frequency : en fr
  • GB577053A - Improvements relating to metal brackets : en
  • US2399223A - Electron discharge device : en
  • US2399524A - Drapery and curtain tieback : en
  • US2399449A - Electrical switch : en
  • CH242129A - Dismountable bed frame. : de en
  • DK64447C - Electrolysis cell. : da en
  • US2399439A - Cylinder and dial knitting machine : en
  • USD144579S - Design for a brooch or similar article : en
  • CH242186A - Machine gun of larger caliber. : de en
  • US2399432A - Striking hammer for firearms : en
  • CA434514A - Dispensing apparatus : en fr
  • AU121371B2 - Method of and means for testing the supplementary fuel valve on vacuum controlled carburettors : en
  • US2399215A - Glider : en
  • US2399370A - Pitot tube : en
  • CH242245A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA434518A - Printing telegraph apparatus : en fr
  • CH242177A - Process for the production of photographic images in three colors. : en fr
  • CH242290A - Process for the preparation of a soluble salt of 4,4'-di-amidino-a-e-diphenoxy-pentane. : de en
  • US2399358A - Crib rail support : en
  • USD144589S - Design fob a game board : en
  • AU121352B2 - Improvements in or relating to picker mechanism for circular knitting machines : en
  • CH242182A - Ski binding. : de en
  • PL33204B1 - Ij-fl 11] oz Sackcloth vase for conducting water, for fire-fighting purposes : en pl
  • US2399183A - Tube clamp : en
  • US2399418A - Reeling device for strip metal : en
  • US2399419A - Spring lay wire rope and method of and apparatus for manufacturing the same : en
  • US2399563A - Frame construction for seat structures : en
  • AU121323B2 - Improvements in spur gear drive transmission : en
  • ES7106U - Set of envelopes in the form of leaves. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173006A1 - FRONT OF BOILER WITH OVEN MOUTH TO BURN ALL KINDS OF LIQUID FUEL : en es
  • US2399293A - Constant velocity joint : en
  • ES12790U - A didactic game (Machine-translation by Google Translate, not legally binding) : en es
  • US2399555A - Balanced suction tumbler : en
  • CH242238A - Ring carrier with feed device on ring wrapping machines. : de en
  • US2399405A - Transmission lock : en
  • ES173078A1 - A MULTICOPISTA MACHINE : en es
  • CH242176A - Typewriter keyboard. : en fr
  • CH242273A - Furniture. : de en
  • CA434418A - Bottle holder : en fr
  • US2399376A - Filing system : en
  • PL33200B1 - The method of obtaining concentrated aqueous solutions of vitamin H. : en pl
  • CH242159A - Process for the production of a new azo dye. : de en
  • AU307946A - Improvements relating to self-baking electrodes for electric furnaces : en
  • US2399326A - Pressure relief valve : en
  • CH242229A - Cooling air guiding device on air-cooled internal combustion engines. : de en
  • CA434464A - Adsorption apparatus : en fr
  • CH242152A - Process for the preparation of a compound having the effects of pantothenic acid. : de en
  • CH242202A - Process for the production of aluminum. : de en
  • AU121309B2 - Improvement in tires : en
  • AU307646A - Improved means forthe detection and measurement of magnetic fields : en
  • AU998543A - Frequency control system : en
  • CH242206A - Automatic turning machine. : en fr
  • CH242215A - Centrifugal machine serving as a water brake. : de en
  • CA434431A - Closure operator : en fr
  • CH242188A - Adjustable measuring disc for setting snap gauges. : de en
  • CH242254A - Modulation circuit. : de en
  • FR909062A - Compressed air circuit breaker with several break intervals arranged in series : en fr
  • FR909229A - Self-closing, non-manually operated gaseous fluid valve, more particularly for use by glassblowers : en fr
  • BE463856A - : en
  • CA434525A - Tractor and tank track : en fr
  • FR909115A - Device for bringing one or more gases into intimate contact with a liquid : en fr
  • CH242230A - Gas heater with a post-heating surface coated with the flue gases. : de en
  • BE463637A - : en
  • CH242287A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • ES12819U - A shielding system for electrolytic capacitors (Machine-translation by Google Translate, not legally binding) : en es
  • US2399437A - Blade sharpener for lawn mowers : en
  • USPP684P - Geranium plant : en
  • US2399350A - Automatic gravity safety switch : en
  • US2399262A - Extrudable polymer composition : en
  • US2399277A - Lubricating apparatus : en
  • US2399339A - Safety fluorescent lamp guard for closed end reflectors : en
  • US2399503A - Testing apparatus of the vibratory motion type : en
  • ES173084A1 - AN IMPROVEMENT IN THE MANUFACTURE OF CELLULOSE SPONGES : en es
  • BE463999A - automobile headlight. : en fr
  • AU129039B2 - Improvements in or relating to electric air-break circuit-breakers : en
  • ES173125A1 - SELECTOR SWITCHES IMPROVEMENTS : en es
  • FR909092A - Equipment intended for the heating of liquids by solar rays : en fr
  • GB577069A - Improvements in or connected with anti-vibration supporting arrangements for opticalinstruments of the telescope type : en
  • CA434482A - Knitted fabric : en fr
  • CH242250A - Disinfectants. : de en
  • ES12785U - Case to hold pencils and other objects. (Machine-translation by Google Translate, not legally binding) : en es
  • AU121358B2 - Spiral filaments : en
  • CH242271A - Bee scales. : de en
  • CH242115A - Insulator for hanging the bare conductor of electric pasture fences. : de en
  • CA434498A - Textile material discharge-printing : en fr
  • AU1431444A - Improvements in or relating to welding rods : en
  • US2399566A - Toy : en
  • US2399253A - Sear mechanism : en
  • US2399500A - Adjustable mounting and propulsion means : en
  • BE464064A - : en fr
  • CA434433A - Abrasive article : en fr
  • US2399234A - Pulverized fuel burner : en
  • CH242216A - Device for cooling a movable member passed through the wall of a hollow body for hot gases. : de en
  • BE463601A - : en
  • FR909294A - Hinged side wall for vehicles and hinge for this wall : en fr
  • FR909127A - Electromagnetic transmission and braking mechanism with reverse gear applicable more particularly to machine tools : en fr
  • AU1506444A - Improvements in or relating to picker mechanism for circular knitting machines : en
  • ES11427Y - Cap, with attached device for extraction. : en es
  • ES173071A1 - A CONTACT ARRANGEMENT IN ELECTRICAL CONTROLLER EQUIPMENT : en es
  • ES173118A1 - AN ELECTRICAL RESPIRÓGRAFO APPARATUS, CLOSED CIRCUIT AND FORCED CIRCULATION, FOR FUNTIONAL EXAMINATIONS OF LUNG AND BASAL METABOLISM : en es
  • US2399312A - Coupling sleeve puller : en
  • US2399292A - Cigarette or cigar lighter : en
  • AU130943B2 - u Improvements relating to electrical devices employing piezoelectric crystals : en
  • CH242189A - Precision measuring device. : de en
  • CH242193A - Eddy current dynamometer. : en fr
  • AU131274B2 - Radio beacons : en
  • CA434494A - Frictional controlling device for rotating bodies : en fr
  • CH242200A - Waterproof box. : en fr
  • CA434513A - Fuse construction : en fr
  • CA434510A - Pickling process : en fr
  • US2399597A - Anthelminthic : en
  • AU121311B2 - Improvements inthe manufacture of titanium pigments : en
  • CA434508A - Coating composition : en fr
  • US2399305A - Dimension measurement : en
  • ES173113A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MOBILE BAKING OVENS : en es
  • CH242242A - Lighting fixture fitted with a socket. : de en
  • ES12319Y - Device for starting internal combustion engines provided with a unidirectional coupling between the pinion and the member that causes its axial movement. : en es
  • GB577016A - Improvements relating to governors for controlling fluid-operated mechanisms : en
  • GB577059A - Method and apparatus for manufacturing optical prisms : en
  • CH242275A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2399334A - Cooling agent dispenser : en
  • AU121322B2 - Improvements in or relating to welding rods : en
  • DK64459C - Pumping plant for Buttermilk, Whey and similar Dairy products. : da en
  • CH242108A - Seed drill. : de en
  • US2399379A - Invasion parachute : en
  • AU121332B2 - Improved apparatus for use in shaping diamonds : en
  • AU121359B2 - Modification of drying or semi-drying oils : en
  • AU121314B2 - Improvements in and relating to electrode holders for electric arc welding : en
  • AU133474B2 - Improvements in. or relating to radio beacon systems forbearing determination by measurement of phase difference : en
  • CH242146A - Tie holder. : de en
  • CA434505A - Electrical unit : en fr
  • AU1203543A - Device for measuring angles : en
  • US2399363A - Regulating system : en
  • CA434519A - Knitting machine : en fr
  • CH242174A - Device for removing individual sheets from a stack by means of friction rollers. : de en
  • CA434512A - Fuse construction : en fr
  • CH242226A - Internal combustion engine. : de en
  • CA434430A - Strip serving machine : en fr
  • CA434520A - Photographic reproduction tolerance holding method : en fr
  • US2399541A - Saw : en
  • AU310146A - Earth induction system : en
  • CH242166A - Process for the production of shaped products from polyvinyl chloride and shaped product obtained by this process. : en fr
  • FR909273A - Method of destroying all land or air objectives : en fr
  • ES12833U - New device for public lighting of open spaces and large-scale premises (Machine-translation by Google Translate, not legally binding) : en es
  • FR909096A - Frame : en fr
  • CH242118A - Electric water heater with electrodes. : de en
  • CA434470A - Disc harrow : en fr
  • FR909267A - Hot elastic fluid motor : en fr
  • AU131939B2 - Improvements in or relating to electrical pickups for gramophones : en
  • CA434491A - Pump system : en fr
  • US2399510A - Steam turbine oils : en
  • CH242243A - Denture prosthesis with artificial teeth and a method for producing the prosthesis and device for carrying out this method. : de en
  • ES12298Y - Inkwell. : en es
  • ES173024A1 - A PROCEDURE FOR THE MANUFACTURE OF THE FINES OF THE MACHINE MACHINES : en es
  • FR909157A - Flower perfume holder : en fr
  • FR909095A - Wheel : en fr
  • ES12841U - Push-buttons and front plates with push buttons and bakelite and ebonite for devices, accessories and in general electric control devices (Machine-translation by Google Translate, not legally binding) : en es
  • FR909071A - Curv-canaliform lift plane : en fr
  • FR909107A - Improvements in the manufacture of rollers intended for printing on fabrics and similar materials : en fr
  • FR909293A - Protection device for polyphase electrical system : en fr
  • FR909263A - Prefabricated element tank : en fr
  • GB577037A - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • GB577083A - Improvements in or relating to mattresses : en
  • AU276646A - Nitriding process : en
  • BE463715A - Improvements to the process for preparing furanone compounds : en fr
  • ES12843U - Improved writing pen (Machine-translation by Google Translate, not legally binding) : en es
  • US2399549A - Bottle carrier : en
  • US2399263A - Car coupler mechanism : en
  • US2399594A - Machine tool : en
  • CH242187A - Apparatus for measuring groove-shaped recesses in cylindrical surfaces, in particular threads. : de en
  • US2399515A - Multiple quick disconnect coupling : en
  • GB576971A - Improvements in the preparation of cation-exchange materials : en
  • US2399428A - Garment : en
  • US2399340A - Distillation of aromatic olefins : en
  • US2399580A - Steering wheel attachment : en
  • US2399345A - Esters of endoalkylene hydroaromatic acids : en
  • ES12340Y - Rotating and continuous automatic balance for acids and liquids. : en es
  • ES12783U - Anchor drill. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399591A - Method and apparatus for producing carbon black : en
  • ES12835U - Elastic suspension tool holder. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173034A1 - A PROCEDURE FOR THE PROTECTION OF IDENTITY DOCUMENTS THAT MAKES THEM UNALTERABLE : en es
  • FR909217A - Decorative ball for Christmas trees: l : en fr
  • FR909272A - Combination tab and hanging loop for trouser suspenders or other garment : en fr
  • GB577027A - Improvements in or relating to percussive tools : en
  • ES6024U - Toy gun. (Machine-translation by Google Translate, not legally binding) : en es
  • US2399577A - Contrast control for photographic enlargers and printers : en
  • US2399575A - Electromagnetic switch : en
  • US2399490A - Heater : en
  • US2399455A - Process for preparing starch acetate : en
  • AU320846A - A method of preventing butyric acid fermentation in cheeses : en
  • CH242285A - Process for the preparation of an acylated p-amino-benzene-sulfonamide. : de en
  • ES12303Y - Duster envelope with its container for sterilized or non-sterile powders. : en es
  • GB577079A - Improvements in staple driving machines : en
  • ES173059A1 - IMPROVEMENTS IN CHARGING DEVICES FOR HIGH POWER SYSTEMS AT ULTRA-HIGH FREQUENCIES : en es
  • FR909202A - Milking bucket and aseptic filter : en fr
  • FR909139A - Improvements to telephone systems : en fr
  • US2399501A - Tubular lamp fixture : en
  • ES163199A1 - A PROCEDURE FOR THE MANUFACTURE OF VINYL CHLORIDE : en es
  • AU121348B2 - Clutch driven hydraulic pump : en
  • AU1432644A - Improvements in release hooks for aircraft andthe like : en
  • FR909057A - : fr
  • US2399396A - Wheel mounting means : en
  • ES12860U - Improved nozzle, for packaging of the type commonly called "siphons". (Machine-translation by Google Translate, not legally binding) : en es
  • FR53554E - Urea and resin emulsifier and cleaning product : en fr
  • AU121365B2 - Improved spur : en
  • US2399197A - Trough supporting means : en
  • ES12762U - Cap-capsule for bottles and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • GB576969A - Improvements relating to the purification of saline liquids : en
  • US2399315A - Lathe attachment for making duplicate pieces : en
  • US2399341A - Cupola installation and charging system therefor : en
  • FR909284A - Remote automatic transhipment on overhead cables using the captive balloon system : en fr
  • USD144603S - Design for a lipstick container : en
  • US2399522A - Scabbard : en
  • ES12781U - Small fuel pump for lighters. (Machine-translation by Google Translate, not legally binding) : en es
  • FR909132A - Delayed play brake linkage automatic compensating winch : en fr
  • US2399228A - Conveyer mechanism : en
  • US2399286A - Unsaturated esters and polymers thereof : en
  • US2399272A - Electrical device : en
  • US2399401A - Polyvinyl alcohol compositions : en
  • USD144584S - Design for an electric heater : en
  • GB577084A - Improvements in or relating to supporting-frames for spring-upholstered articles of furniture : en
  • ES172533A1 - A PROCEDURE FOR THE OBTAINING OF SCORING WOOL BY THE ACTION OF THE CENTRIFUGAL FORCE : en es
  • US2399550A - Packing : en
  • US2399290A - Chucking and driving device : en
  • AU121345B2 - Improvements in or relating tothe manufacture of magnesium hydroxide : en
  • US2399256A - Creping of webs with thin coatings of creping adhesive : en
  • US2399310A - System for cooling the charge flowing to internal-combustion engines : en
  • US2399427A - Wood bending apparatus : en
  • ES172654A1 - IMPROVEMENTS IN THE METHODS AND APPARATUS FOR STRAIGHTENING WIRE : en es
  • ES173032A1 - IMPROVEMENTS IN THE JET WASHING APPLIANCES : en es
  • ES12314Y - Folding chair. : en es
  • US2399529A - Paper cutter : en
  • US2399561A - Loose-leaf binder : en
  • CH242112A - Support structure for roofs and bridges. : de en
  • FR909234A - Combination of weaves composed of textiles of different qualities making it possible to obtain, depending on the needs, the partial ripping or scratching of the fabric : en fr
  • GB577060A - Improvements relating to tubular heat exchange apparatus : en
  • AU1459844A - Manufacture of tapered stock : en