• US2447543A - Ultra high frequency modulator : en
  • US2447660A - Wedge grip for tensile testing machines : en
  • US2447669A - Remote-control system : en
  • USD150712S - Design for a bracelet or similar article : en
  • US2447616A - Electronic power generation : en
  • FR937837A - Electric rectifiers : en fr
  • US2447963A - Loose-leaf binder : en
  • US2447516A - Wheel cover : en
  • GB607126A - Improvements in and relating to pulse generators employing thermionic valves : en
  • US2447499A - Brush-stem forming machine : en
  • US2447877A - Wool shrinkproofing baths containing butadiene copolymers and their utilization : en
  • US2447948A - Article infeed mechanism for wrapping machines : en
  • US2447934A - Bottle carrier : en
  • US2447935A - Control system : en
  • CA450770A - Speed control system for an electric motor : en fr
  • US2447831A - Evaporated and deposited birefringent film comprising aromatic compound, the molecules of which contain planar groupings : en
  • USD150701S - Design for a bracelet or similar article : en
  • US2447489A - Lead-in bushing : en
  • GB606974A - Improvements in or relating to an antenna system : en
  • US2447518A - Tape dispenser : en
  • AU2143948A - Highspeed arc welding : en
  • FR937624A - Starter device for independent piston gas engines : en fr
  • GB607114A - Improvements relating to the moulding of building and other structures, including vehicle bodies : en
  • AU2257345A - Pulse modulated wave-signal receiver : en
  • CA450673A - Railroad switch adjustment : en fr
  • GB607191A - Improvements in or relating to matrix-case positioning mechanism for single-type casting and composing machines : en
  • FR937621A - Low shrinkage agglomerates, processing methods and works obtained : en fr
  • GB607240A - Improvements in or relating to rolled capacitors : en
  • FR937608A - Rocking horse : en fr
  • US2447851A - Luminescent screen indicating changes in image formation : en
  • US2447706A - Venetian slat : en
  • US2447807A - Calendar having folding, adjustable date elements slidably receivable in supporting frame : en
  • US2447556A - Pallet or skid for handling materials : en
  • US2447605A - Mill bearing construction : en
  • GB607133A - Improvements in or relating to bags, hold-alls and similar carriers : en
  • GB607292A - Improvements in or relating to instruments for obtaining access to and viewing cavities, particularly cavities of the human body : en
  • US2447569A - Tubulating machine : en
  • US2447578A - Art of stiffening the uppers of shoes : en
  • FR937613A - Electric clock : en fr
  • FR937689A - Thruster device for airplanes : en fr
  • US2447936A - Trial frame having pivoted temple connections : en
  • GB607124A - Process for the manufacture of crystallized glucose of very high purity : en
  • US2447520A - Electrovolumetric control device for a water treating device comprising a motor operated valve mechanism having an electrically connected time switch : en
  • US2447785A - Combination lock : en
  • FR937675A - Spring-loaded stopper for cylinders containing gas-emitting liquids : en fr
  • AU145915B2 - Improvements in or relating to ceramic dielectrics comprising essentially titania : en
  • AU139128B2 - Improvements in circuit arrangements to convert frequency modulation waves into amplitude modulation waves : en
  • US2447766A - Drier : en
  • US2447794A - Hydrocarbon peroxides : en
  • US2447632A - Magnetic lock relay : en
  • US2447899A - Method and means for detecting flaws in magnetizable objects : en
  • AU142457B2 - Improvements in or relating to ceramic dielectrics comprising essentially titania : en
  • GB606956A - Improvements in photographic cameras : en
  • GB607258A - The manufacture of substituted benzhydryl ethers : en
  • FR937849A - Automobile car hood : en fr
  • GB607236A - Improvements in electron discharge devices : en
  • GB607299A - Improvements in screws of slotted head type : en
  • GB607184A - Improvements in or relating to relays for protecting liquid-filled electrical apparatus with expansion vessels : en
  • US2447984A - Apparatus for spinning artificial staple fibers : en
  • US2447565A - Production of aldehydes by a halogen-hydrogen exchange reaction : en
  • DK67477C - Soldering gun with flux spreader. : da en
  • GB606911A - Improvements in or relating to electric conduit and cable junction boxes : en
  • GB607095A - "electric selector switches" : en
  • US2447603A - Shoe : en
  • GB607174A - Improvements in or relating to receivers of frequency- or phase-modulated signals : en
  • GB606878A - Method of removing the non-desirable taste impairing organic substances in cocoa berry and means for carrying the method into effect : en
  • GB607305A - Cupboard lock : en
  • GB607107A - Improvement in lever escapements : en
  • GB607290A - Improvements in gas or vapour and liquid contacting apparatus : en
  • GB606895A - Improvements in apparatus for detecting and indicating a change of colour in liquids : en
  • GB607065A - Improvements in or relating to press guards : en
  • CA450680A - Drying apparatus : en fr
  • DK67474C - Heat exchanger device for hot air motors and similar machines. : da en
  • GB607142A - Improvements in adjustable seats for vehicles : en
  • GB607185A - Improvements in or relating to domestic cooking utensils : en
  • FR937835A - Devices for the transmission or reception of electromagnetic waves at ultra-high frequencies : en fr
  • GB607187A - Instrument capable of ascertaining the angle of an inclined surface and the length of such surface and for delineating angles : en
  • GB607285A - Improvements in or relating to extrusion of metals : en
  • US2447967A - Golf club : en
  • US2447635A - Shakedown device for thermometers : en
  • US2447941A - Aerial bomb, pyrotechnic device, and the like : en
  • CA450674A - Preparation of copper phthalo-cyanines : en fr
  • US2447648A - Current regulating generator and control : en
  • GB607078A - A powder puff incorporating a powder supply : en
  • FR937728A - Rangefinder whose eyepieces remain fixed when pointing in elevation : en fr
  • FR937829A - Improvements to warp knitting machines : en fr
  • AU145417B2 - Improvements in and relating to centrifugal separators : en
  • FR937660A - Removable hutch : en fr
  • US2447622A - Adjustable thermal limit switch : en
  • US2447702A - Method for producing benzolsulfonamido-1, 3,4-thiodiazole compounds : en
  • US2447621A - Urea-formaldehyde molding composition : en
  • AU137955B2 - Directing-indicating System : en
  • CA450647A - Electrical control system for warping or beaming plants : en fr
  • AU1543647A - Improvements in moulding presses : en
  • FR937685A - Stylograph refinements : en fr
  • GB606954A - Process for the isolation of pentaerythrite from its solutions : en
  • FR937606A - Improvements to electric heating elements : en fr
  • GB607246A - Improvements in or relating to pressure plates for card-filing cabinets : en
  • FR937768A - Improvements in the manufacture of electric lamps : en fr
  • GB607096A - "selector brush" : en
  • GB607209A - Process for producing steel with a low nitrogen content in the converter : en
  • GB607028A - Improvements in or relating to superheterodyne receiving sets : en
  • US2447883A - Electrical induction apparatus : en
  • US2447608A - Rotary internal-combustion engine of the rotary abutment type : en
  • USD150691S - Design for a negligee : en
  • FR937663A - Palmer gauge for internal dimension readings : en fr
  • DK67475C - Device by Control Valves. : da en
  • US2447803A - Tape time-recorder with diffeben : en
  • GB606965A - Improvements in or relating to the preparation of esters of alpha-formylphenaceturic acid and to compounds formed therefrom : en
  • GB607052A - Improvements in infants' feeding bottles : en
  • GB606988A - Liner for gun barrel : en
  • GB607275A - Improvements in or relating to hollow electrical resonators : en
  • US2447649A - Electric heating apparatus and control : en
  • DK67466C - Method for degreasing bones. : da en
  • FR937629A - Improvements to phonograph players : en fr
  • GB607181A - Electric lamps : en
  • FR937659A - Cap dispenser for bottle capping machines : en fr
  • GB607134A - Manufacture of hydrophenanthrene carboxylic acids and derivatives thereof : en
  • GB607248A - Means for adjusting the blades of propellers, rotary machines, particularly axial flow water turbines and pumps and axial flow compressors, and the like : en
  • GB606950A - Improvements relating to attachments for photographic cameras : en
  • US2447494A - Telephone register control system : en
  • FR937735A - Dough handling machine : en fr
  • US2447628A - Propeller vibration damping means : en
  • US2447878A - Wool shrinkproofing baths containing butadiene copolymers and their utilization : en
  • FR937611A - Pocket inhaler : en fr
  • FR937759A - Assembly of circuit elements : en fr
  • FR937805A - Method and apparatus for dispensing insecticides, fungicides, repellents, hormones and other substances : en fr
  • GB606964A - Improvements relating to the catalytic hydroforming of naphthas : en
  • FR937650A - Automatic electro-mechanical auxiliary gear change mechanism : en fr
  • FR937642A - Bra refinements : en fr
  • GB607113A - Improvements relating to the manufacture of halogenated carboxylic acids : en
  • US2447818A - Periodic reversing drive : en
  • US2447587A - Acyl glycine amides : en
  • DK67470C - Heat Amount Meter for Measuring Hot Water Consumption. : da en
  • FR937820A - Process for printing fibers and in particular fibers formed from linear polyamides : en fr
  • GB607072A - Improvements in raincoats and like articles of wearing apparel : en
  • GB607286A - Improvements in or relating to extrusion of metals : en
  • GB607213A - Improvements in and relating to material comprising bonded wood laminae : en
  • US2447924A - Costumer : en
  • US2447672A - Apparatus for chloridizing aluminum-base alloys : en
  • FR937687A - Window : en fr
  • CA450727A - Ball bearing separator : en fr
  • CA450646A - Warping or beaming machine : en fr
  • USD150688S - Design fob a gas cookstove : en
  • GB607268A - Synthetic resinous adhesives : en
  • US2447511A - Method of treating water : en
  • US2447564A - Noise reducing circuits : en
  • US2447576A - Portable radio receiver : en
  • GB607062A - Improvements in or relating to pyrophoric lighters : en
  • GB607048A - Improvements in valve grinding tools : en
  • CA450638A - Key holder : en fr
  • CA450660A - Baby carriage ski : en fr
  • CA450672A - Method of and apparatus for extruding stepped shapes : en fr
  • US2447592A - Internal-combustion engine cooling system : en
  • US2447776A - Protective visor : en
  • USD150682S - Design for an extensible band fob watch bracelet or analogous article : en
  • CA450719A - Method of reclaiming mixed rubber and neoprene compositions : en fr
  • FR937638A - Grinding device : en fr
  • GB607024A - Means for the automatic control of gas mixtures : en
  • CA450695A - Repeating fuse construction : en fr
  • GB607295A - Improvements in or relating to conveyor chain : en
  • US2447544A - Synthesis of tryptophane : en
  • US2447593A - Production of primary alkyl halides : en
  • AU137084B2 - Improved goods transporter : en
  • US2447736A - Electric lighting system : en
  • DK67478C - Image Strip for Displaying Live Images and Devices for Use in Display. : da en
  • AU143498B2 - Improvements in or relating to processes for making acylated polystyrene, the polymers so prepared, and mineral oil compositions containing the polymers : en
  • IE19230L - Automatic volume control; carrier current telephony. : en
  • GB606903A - Improvements in or relating to sliding clasp fasteners : en
  • GB607092A - Improvements in electrical resonance systems : en
  • US2447764A - Paintbrush suspension : en
  • US2447979A - Copper base alloy for metal evaporation : en
  • FR937847A - Abrasive article : en fr
  • GB607123A - Improvements in and relating to refrigerant compressor systems : en
  • FR937623A - insulating construction element : en fr
  • US2447519A - Tape dispenser : en
  • US2447944A - Garbage can cover : en
  • USD150670S - Design fob a hydraulic press : en
  • US2447811A - Resinous interpolymers containing 1, 2-dicyano-1-chloroethylene : en
  • GB607249A - Improved means for making connections between electric cables : en
  • FR937612A - Improvements to processes and devices for obtaining lamellar materials : en fr
  • DK67479C - Carrier with sound recorder, in particular color film, as well as methods of making such a carrier, by copying the sound recorder and by reproducing the recorded sound. : da en
  • GB607180A - Advertising or display apparatus : en
  • GB607267A - Improvements relating to the mounting of gramophone units and the like : en
  • FR937790A - Telephone device : en fr
  • FR937798A - One Piece Movable Bolt Automatic Firearm : en fr
  • GB606970A - Improvements in or relating to filters : en
  • GB607039A - Improvements in or relating to manifoldly interleaved resilient tubular metal bodies : en
  • GB607287A - Improvements in or relating to extrusion of metals : en
  • AU144271B2 - Signal mixing system : en
  • FR937725A - Improvement in pedals controlled by mobiles moving on a fixed path : en fr
  • US2447727A - Flywheel magneto : en
  • US2447805A - Composite resinous sheet of birefringent material and method of making the same : en
  • GB606992A - An improved box for enclosing an electric cable joint : en
  • GB607245A - Improvements in or relating to filing cabinets : en
  • US2447925A - Gas burner supporting stand : en
  • US2447783A - Plug locking attachment for ektension cords : en
  • US2447880A - Magnetometer : en
  • AU137245B2 - Improvements in moulding presses : en
  • US2447840A - Vapor phase degreasing apparatus, including temperature control of vapor condensers : en
  • GB607231A - Improvements in and relating to the production of ammonium sulphate : en
  • GB607013A - Corrosion inhibiting compositions : en
  • GB606958A - Improvements in or relating to resistance weld control method and apparatus : en
  • FR937677A - Suspenders for trousers and similar applications : en fr
  • GB606889A - Improvements in or relating to art of providing protective and decorative lacquers and coatings : en
  • USD150673S - Casing for a space heater : en
  • GB606912A - Improvements in or relating to door handle roses : en
  • GB607176A - Improvements in combination handles and roses or door plates : en
  • GB607157A - Improvements in plugs for electrical connections of the pin-plug and socket type : en
  • GB607190A - Improvements relating to prefabricated metal cycle parks : en
  • DK67465C - Apparatus for Converting DC to AC or vice versa. : da en
  • GB606927A - Improvements in antenna systems : en
  • GB607088A - Textile dressing materials : en
  • GB607047A - Improvements in or relating to domestic fenders and curbs : en
  • GB607086A - Improvements in or relating to the beaming of yarns : en
  • GB607090A - Electric head lighting equipment for vehicles : en
  • GB607129A - Process for the separating of a liquid constituent from a homogeneous liquid mixture : en
  • GB607112A - Improvements in pipe couplings : en
  • US2447871A - Switch mechanism : en
  • US2447985A - Device for determining photoelectrically the concentration of a solute in a solvent : en
  • US2447664A - Electrostatic coating apparatus and method : en
  • GB607144A - Improvements relating to electrically actuated razors : en
  • GB607277A - Improvements in permutation locks : en
  • FR937758A - Mechanical vibration-absorbing coupling for rotary power transmission devices : en fr
  • US2447863A - Vibration indicating apparatus : en
  • FR937809A - Aircraft radio communication system : en fr
  • FR937814A - Improvements to entertainment devices : en fr
  • US2447910A - Landing position indicator for aircraft : en
  • US2447922A - Explosion-proof lighting equipment : en
  • GB606885A - Improvements in and relating to universal couplings : en
  • GB607116A - Improvements in or relating to devices for locating the centre of holes : en
  • FR937845A - Improvements to telegraph systems : en fr
  • GB607005A - Improvements in or relating to colloid silver halide photographic emulsions : en
  • USD150690S - Florian vacuum cleaner : en
  • FR937762A - Method and device for working metals, alloys and other materials that conduct electric current : en fr
  • GB606966A - Improvements in or relating to devices for indicating cutting speeds in machine-tools : en
  • US2447591A - Float valve : en
  • US2447688A - Pulsator for milking machines : en
  • US2447845A - Apparatus for solvent extraction : en
  • USD150708S - Design for a brooch or similar article : en
  • FR937766A - Process for the preparation of bitumens easily emulsifiable in an alkaline aqueous medium, as well as aqueous dispersions of these bitumens : en fr
  • CA450785A - Hair tonic : en fr
  • FR937785A - Parachute training : en fr
  • GB607093A - Improvements in or relating to friction gearing : en
  • DK67468C - Method of Making an Annular Fusion. : da en
  • GB606976A - Prism spectrometers : en
  • US2447931A - Mechanical movement device : en
  • GB607125A - Improvements in or relating to bearing devices : en
  • GB607271A - Improvements in or relating to electrical apparatus comprising a chassis having a variable condenser flexibly mounted on it : en
  • FR937730A - Improvements in the manufacture of hard toes and buttresses for shoes : en fr
  • US2447541A - Method of making plastic structure : en
  • US2447619A - Sulfurized esters of oxalic acid : en
  • GB607311A - Improvements in or relating to gas turbine power plants : en
  • US2447685A - Drill press vise with slidable and swingable jaws : en
  • USD150721S - Design fob an upholstered chair : en
  • US2447521A - Apparatus for decorating articles : en
  • US2447642A - Phase control system for vapor electric converters : en
  • FR937609A - Threading process : en fr
  • FR937789A - Device for classifying and advancing rolling bodies, in particular winding coils : en fr
  • FR937723A - self-opening and closing lipstick case : en fr
  • GB607120A - Improvements in or relating to variable-speed power transmission mechanisms : en
  • US2447657A - Die-cast squirrel cage and blower : en
  • FR937622A - prefabricated building element : en fr
  • FR937711A - Architectural building game : en fr
  • GB607038A - Improvements in or relating to electric relays : en
  • FR937602A - Frequency detector for carrier wave signals : en fr
  • GB606940A - Improvements in or relating to the extraction of penicillin : en
  • GB607278A - Improvements in and relating to locks : en
  • GB607300A - A process for making aminoplast moulding powder : en
  • FR937797A - Improvements to injectors : en fr
  • FR937842A - Improvements in methods and devices for drawing fibers or filaments, in particular of glass : en fr
  • GB607046A - Improvements in or relating to kettles, teapots, coffee pots and hot-water jugs : en
  • GB607173A - Improvements in or relating to electric light fittings : en
  • FR937666A - Process and packaging material for wrapping lumps of butter, margarine, edible fat and the like : en fr
  • DK67481C - Adjustable or adjustable air screw blade made of wood and metal. : da en
  • CA16411S - Tray : en
  • GB607196A - Improvements relating to combustion apparatus : en
  • GB606926A - Improvements in directive antenna systems : en
  • CA450669A - Transmission : en fr
  • US2447594A - Feeding and weighing apparatus : en
  • FR937736A - Improvements to speed modulated amplifier tubes : en fr
  • GB607045A - Improvements in or relating to air rifles : en
  • GB607233A - Process for the production of isoprene by distillation of rubber : en
  • US2447570A - Bellows clamp : en
  • GB607235A - Improvements in or relating to printing members : en
  • FR937633A - Method and apparatus for unwinding films from their center : en fr
  • FR937669A - Machine for making deep metal containers such as cases or the like : en fr
  • GB607035A - Improvements in textile fibres or yarns of glass and textile materials formed therefrom : en
  • US2447658A - Shunt capacitor bank : en
  • AU143353B2 - Engine starters : en
  • CA450751A - Process for treating ore : en fr
  • FR937810A - Upholstered incandescent sleeve mount : en fr
  • GB607017A - Improvements in electric power supply systems for x-ray tubes : en
  • US2447879A - Antenna : en
  • CA450754A - Mercaptan removal : en fr
  • GB607056A - Improvements in and relating to control systems for multi-cylinder hydraulic motors : en
  • GB607188A - Improvements in or relating to angle measuring devices : en
  • GB607230A - Improvements in or related to pails, buckets and the like : en
  • US2447986A - Developing rack : en
  • US2447690A - Method of forming crown caps : en
  • CA450699A - Fuse construction : en fr
  • FR937671A - Metallizable mono-azo dyes of the pyrazolone series and process for preparing these products : en fr
  • DK67459C - Apparatus for voltage regulation by means of an electron tube acting as a variable resistor. : da en
  • US2448003A - Ignition control : en
  • US2447742A - Manufacture of lead halides : en
  • US2447947A - Variable union : en
  • US2447542A - Material handling pallet : en
  • US2447739A - Pressure gauge : en
  • USD150713S - Design for a bracelet or similar article : en
  • GB606981A - Improvements relating to reciprocatory pump and/or fluid operated motor mechanisms : en
  • GB607071A - Coaster brakes : en
  • US2447896A - High-temperature turbine : en
  • US2447989A - Zipped-in underarm gusset : en
  • US2447588A - Apparatus for counting the revolutions of a shaft after discontinuance of power : en
  • US2447824A - Quick releasable parachute harness : en
  • US2448000A - Manufacture of alkaline earth metals : en
  • AU2205948A - Improvements in and relating to centrifugal separators : en
  • AU2207848A - Improvements in and relating to drills : en
  • US2447763A - Process for determining columbium carbide in stainless steel : en
  • US2447977A - Means for conditioning filamentary material : en
  • CA450714A - Television system : en fr
  • CA450651A - Wheel structure : en fr
  • CA450760A - Power transmission : en fr
  • AU2147748A - Wide angle sprinkler head for enabling : en
  • US2447665A - Refrigerated products and methods and apparatus for producing same : en
  • AU142213B2 - Improvements in or relating toa gauging apparatus : en
  • CA450718A - Apparatus for treating material on propeller blades : en fr
  • CA450771A - Protection of communication circuit elements : en fr
  • US2447832A - Photographic flash apparatus : en
  • CA450655A - Brush holder : en fr
  • US2447561A - Head and clothing protector : en
  • FR937746A - Device for testing and selecting electrical circuits : en fr
  • FR937788A - Improvements to hammers, axes and similar tools : en fr
  • GB607019A - Vacuum distillation process and apparatus : en
  • FR937720A - Lubricating oil cooling plant : en fr
  • CA450675A - Oil soluble dye : en fr
  • CA450732A - Electrical connector : en fr
  • BE480590A - : en nl
  • GB607014A - Improvements in and relating to cathode ray tube time-base circuits : en
  • GB607307A - Improvements relating to domestic water heaters : en
  • USD150735S - Electric lighting fixture : en
  • DK67490C - Procedure for the manufacture of foundation piles and thick sheet piles framed in the ground, formed from previously finished elements of concrete or reinforced concrete. : da en
  • GB607003A - Improvements in or relating to the provision of new or improved plastic detonating explosive compositions : en
  • US2447862A - Hanger for brooms, tools, and the like : en
  • US2447990A - Window guide for vehicle bodies : en
  • USD150733S - Design for a brooch or similar article : en
  • FR937706A - Improvements to fluid control systems : en fr
  • GB607009A - Improvements in and relating to apparatus for conveying powdered or granular material : en
  • CA450720A - Heat-resistant rubber : en fr
  • AU129620B2 - High-frequency pulse generator : en
  • AU142035B2 - Improvements in apparatus forthe reproduction of optical records contained in magazines arid magazines for use therewith : en
  • AU144598B2 - An improved harmonic frequency generator : en
  • GB606971A - Improvements in means for pulsing vacuum tube oscillators : en
  • GB606946A - Improvements in or relating to vehicle bodies : en
  • GB607064A - Improvements relating to the production of fatty acids and fatty alcohols : en
  • GB606907A - Improvements in and relating to focusing hoods of photographic reflex cameras : en
  • US2447856A - Christmas card display device simulating a tree : en
  • GB606902A - Improvements in and relating to devices for attachment to apertured supports : en
  • US2447555A - Electrical iron holder : en
  • USD150734S - Schuhmann coffee mill : en
  • US2447491A - Sleeve holding device : en
  • US2447721A - Telephone handpiece support : en
  • US2447745A - Automatic chicken feeder : en
  • GB607149A - Improvements in and relating to electron discharge tubes : en
  • FR937747A - Electronic discharge device : en fr
  • GB606997A - Improvements in or relating to telephone instruments : en
  • US2447572A - Radio cabinet : en
  • GB607089A - Improvements in vent valves : en
  • GB607057A - An improvement in or relating to gear-hobbing machines : en
  • FR937716A - Swimming pool for parasitic baths in pre-fabricated elements : en fr
  • GB607298A - Improvements in or relating to a device for the treatment of wounds or the like : en
  • CA450700A - Method and apparatus for measuring electrical power : en fr
  • US2447634A - Motor operated tap changer : en
  • US2447861A - Oil thief : en
  • US2447909A - Tool for beading or expanding metallic tube ends : en
  • FR937695A - Gear shifting for cycles and the like, with back-pedal control : en fr
  • US2447653A - Nitro amines and process for preparing same : en
  • GB606980A - Butadiene-styrene copolymer : en
  • US2447625A - Line fault indicating system : en
  • FR937753A - Rotation and locking system for drawing board : en fr
  • USD150738S - Design for a bracelet : en
  • GB606918A - Improvements in or relating to overcoats for personal wear : en
  • US2447548A - Lubrication apparatus for twister rings : en
  • US2447551A - Clearing water surfaces of oil : en
  • FR937722A - Equipment for electric discharge lamps : en fr
  • GB607255A - An improved ping pong bat : en
  • GB607304A - Improvements in or relating to hydraulic jacks : en
  • US2447732A - Rubber-reclaiming oil : en
  • US2447792A - Birefringent solid film of evaporated and deposited isophthalic acid : en
  • US2447758A - Igniting device fob combustion : en
  • FR937715A - Improvements to wheel trims for vehicles : en fr
  • USD150671S - Design for a door mat : en
  • CA450685A - Safety control : en fr
  • GB607166A - Improvements in or relating to screw drivers : en
  • GB607313A - Improvements in and relating to radial davits : en
  • GB607135A - Improvements in methods of making luminescent screens : en
  • US2447601A - Tilting chair seat and back rest : en
  • CA450741A - Indexing mechanism : en fr
  • AU2211848A - Improvements in or relating to ceramic dielectrics comprising essentially titania : en
  • CA450663A - Overhead door guiding and latching mechanism : en fr
  • GB607104A - Improved phenol formaldehyde condensation resins : en
  • GB607205A - Improvements in or relating to construction of composite metal articles : en
  • FR937796A - Device for recording sounds : en fr
  • US2447771A - Water bag bracket : en
  • GB606939A - Improvements relating to adjustable seats : en
  • GB607094A - Interrupting or switching arrangement for high frequency circuits : en
  • FR937683A - Watertight closing device, in particular for instruments : en fr
  • IE18417L - Electromagnetic relays : en
  • GB607097A - A method of producing dry plate electric rectifier elements : en
  • FR937733A - Further development of soderberg continuous anodes : en fr
  • GB606949A - Game : en
  • GB607049A - Improvements in cycle or like bells : en
  • FR937661A - Improvements to the flexible bands of tobacco cases whose cover includes a cigarette mold : en fr
  • US2447600A - Production of unsaturated nitriles : en
  • GB607263A - A new or improved driving means for toys and models : en
  • GB607265A - Necktie-retainer : en
  • GB606962A - Improvements in or relating to the preparation of substituted cyanoacetic esters : en
  • CA450731A - Rim : en fr
  • CA450676A - Stoker : en fr
  • US2447906A - Hatch cover : en
  • GB606887A - Improvements relating to apparatus for teaching aerial navigation by radio signalling : en
  • US2447999A - Portable phonograph : en
  • US2447737A - Latch bolt for towing poles : en
  • US2447708A - Bathing cap : en
  • US2447686A - Compressor valve mechanism : en
  • US2447978A - Advertising stand with removable display panels : en
  • US2447676A - Electrical receptacle : en
  • CA450693A - Stem making method and apparatus : en fr
  • US2447888A - Thermometer : en
  • US2447926A - Antiknock motor fuel : en
  • CA450682A - Brake : en fr
  • AU2156048A - Bathing suit : en
  • US2447656A - Compressed gas-operated circuit interrupter with position indicator : en
  • FR937601A - Printing press : en fr
  • FR937743A - Photographic products with anti-halo layers : en fr
  • US2447857A - Load compensating fluid pressure brake equipment : en
  • GB607177A - Improvements in measuring rule construction : en
  • CA16414S - Wash bowl : en
  • DK67452C - Process for treating barley to be used for the manufacture of malt. : da en
  • US2447559A - System for transferring package freight : en
  • US2447749A - Ignition switch shield housing : en
  • USD150724S - Design for a book end : en
  • CA450642A - Construction and assembly of electron discharge tubes : en fr
  • CA450698A - Fuse : en fr
  • GB607195A - Improvements in or relating to gyroscopic instruments : en
  • FR937620A - Liquid level : en fr
  • GB607162A - Improved apparatus and process for the treatment of finely divided minerals or carbonaceous substances with heated gases and/or superheated steam : en
  • AU2211348A - Improvements in or relating to iodo-amino-phenyl derivatives of saturated carboxylic acids andthe preparation thereof : en
  • US2447980A - Method of making porous bearing surfaces : en
  • USD150693S - Design for a tkay or similar article : en
  • AU132457B2 - Improvements in or relating to electric cooking stoves : en
  • US2447752A - Apparatus for recording an oscillographic record : en
  • USD150715S - Design for a mortar and cement finishing tool : en
  • AU2156448A - Signal mixing system : en
  • US2447921A - Parachute shroud link : en
  • FR937836A - Multi-grid tubes for very high frequency amplification : en fr
  • GB606969A - Improvements in or relating to systems for heating water or other liquids : en
  • US2447768A - Microwave antenna : en
  • FR937649A - Double gear transmission with alternating rollers and ordinary gear with double teeth and alternating teeth : en fr
  • AU156546A - Improvement in high-frequency pulse generator : en
  • FR937811A - Gasoline vapor lighter with hinged cover : en fr
  • GB607132A - Conveyor for loading bricklayers' scaffolds : en
  • US2447973A - Coated anode for electron discharge devices : en
  • GB607210A - Improvements in or relating to electric remote control systems : en
  • GB607108A - Improvements in and relating to electromagnetic vibrators : en
  • GB607119A - Transporting and dumping equipment : en
  • GB607137A - Improvements relating to liquid fuel supply systems : en
  • GB606896A - Improvements in or relating to the dyeing of artificial fibres : en
  • US2447666A - Dynamic braking system for series motors : en
  • US2447777A - Tire deflation indicator : en
  • FR937641A - Particularly cylindrical rod assembly allowing multiple movements : en fr
  • GB607194A - Improvements in and relating to electric motor control systems : en
  • US2447590A - Shoe construction having stitchedin insole and pressure-covered molded heel counter : en
  • CA450688A - Manufacture of barium carbide : en fr
  • CA450734A - Telemetering transmitter with two prime movers : en fr
  • GB606880A - Improvements relating to the fabrication of extruded thermoplastic articles : en
  • GB607010A - Improvements relating to seat frames : en
  • GB607041A - Improvements in and relating to heel protectors for footwear : en
  • DK67480C - Rotary Pump. : da en
  • FR937782A - Machine for grinding or grinding crankshafts : en fr
  • GB607228A - An improvement in or relating to garments, and to fabrics for making the same : en
  • GB606953A - A new or improved magnetic holding device or clamp : en
  • US2447488A - Single-phase motor control : en
  • FR937702A - Roll-off brake, especially for heavy vehicles : en fr
  • GB607061A - Improvements in sewing machines : en
  • US2447581A - Sealing cap for vacuum bottles and the like : en
  • GB607021A - Electron discharge devices : en
  • FR937726A - Advanced easel for painting and watercolor : en fr
  • FR937615A - Valve replacing the closing cap on pneumatic wheel valves : en fr
  • FR937734A - Device for obtaining pulses of electric current according to a determined program : en fr
  • FR937737A - Multi-Gap Velocity Modulated Tube Amplifiers : en fr
  • GB607118A - Improvements in or relating to photographic copying and reproducing apparatus : en
  • AU484946A - Relaxation keyer : en
  • GB607054A - Improvements in or relating to the cleaning of poultry houses, kennels, rabbit hutches and the like : en
  • GB607218A - Improvements in or relating to lipstick holders or like containers : en
  • GB607159A - Improvements in or relating to radio aerials for aircraft : en
  • FR937653A - Waterproof winding and time-setting mechanism : en fr
  • US2447800A - Sequential electronic commutator with supplementary grid control : en
  • USD150702S - Earring or similar article : en
  • GB607032A - A new or improved double-acting valve : en
  • DK67451C - Sectional pattern designed as a sectional pattern sheet : da en
  • GB606909A - Fluid flow control device : en
  • GB606923A - Improvements relating to portable filters for liquids : en
  • FR937651A - Watertight assembly device comprising an unbreakable protective glass, for example a watch glass, and its support : en fr
  • GB607105A - Improvements relating to record changing mechanism for gramophones : en
  • GB607004A - Penicillin manufacture : en
  • US2447893A - Alarm system for electric refrigerators : en
  • US2447579A - Rake cleaning attachment : en
  • CA450742A - Suction box : en fr
  • AU2145248A - Process for manufacturing cast iron on basic slags : en
  • DK67454C - Clothespin. : da en
  • FR937815A - Article of clothing usable in particular as a scarf, hood and other applications : en fr
  • FR937693A - Security bar for doors of all models : en fr
  • USPP805P - Carnation plant : en
  • GB606985A - Improvements in or relating to apparatus for playing games : en
  • AU133290B2 - Improvements in radio location and detection arrangements : en
  • CA450758A - Method and apparatus for foaming liquids : en fr
  • CA450773A - Sealed contact device : en fr
  • FR937610A - Method and apparatus for removing and transporting ash and the like from fireplaces : en fr
  • GB606913A - Improvements relating to cathode ray tube circuits : en
  • US2447839A - Drive mechanism for the intermittent movement in a television motion-picture projector : en
  • GB606917A - Improvements in or connected with the construction of bicycle frames : en
  • FR937676A - Rotary pump for liquids or gases : en fr
  • FR937707A - Dismountable vitrified metal table : en fr
  • GB607272A - Improved child's clock for instructional or amusement purposes : en
  • US2447510A - Adjustable check valve : en
  • US2447873A - Preparation of organohalogenosilanes : en
  • US2447673A - Reactor with movable core member : en
  • US2447573A - Process for isomerizing paraffins : en
  • US2447723A - Thermostatic air circulation control : en
  • US2447731A - Cardcase : en
  • US2447788A - Drainboard and tub construction : en
  • CA450690A - Cyclic organosilicon compound : en fr
  • FR937750A - Rigid reinforcement for clothes pocket tabs : en fr
  • GB607256A - Process for catalytically dehydrogenating hydrocarbons : en
  • GR11784B - EXPLOSIVE MATERIALS AND THEIR METHOD OF PREPARATION. : el en
  • AU2150548A - Safety aerial toy : en
  • CA450743A - Piano : en fr
  • AU2198448A - Engine starters : en
  • US2447834A - Concentration of chlorine : en
  • US2447992A - Extensible supporting post for clotheslines : en
  • CA450757A - High-frequency electrode : en fr
  • US2447641A - Toaster : en
  • CA450634A - Process for controlling the displacements of a mechanical organ : en fr
  • US2447950A - Circuit interrupter : en
  • US2447527A - Window operable burglar alarm : en
  • USD150729S - Design fob a shoe : en
  • CA450775A - Apparatus for assembling articles : en fr
  • US2447604A - Fiber roll former : en
  • CA16412S - Stand for a bath or basin : en
  • GB607020A - Radio location system : en
  • GB607242A - Improvements in or relating to photographic cameras : en
  • US2447537A - Coupled cavity resonator : en
  • USD150736S - Design for an airplane : en
  • GB606989A - Improvements relating to the drying and cooling of granular materials : en
  • GB607257A - Improvements in doors : en
  • GB607075A - Improved insulation stripper : en
  • US2447943A - Pulpstone : en
  • DK67486C - Propulsion device for boats. : da en
  • FR937654A - waterproof and tamper-evident case for pharmaceutical products : en fr
  • GB607110A - Prevention of carbon deposits in internal combustion engines : en
  • FR937656A - High voltage transformer : en fr
  • FR937717A - Wash board : en fr
  • GB607158A - Improvements in or relating to manually propelled boats : en
  • FR937800A - New process and electron tubes for the modulation of an electron beam : en fr
  • GB607085A - Improvements in or relating to cellulose ester or ether fibres : en
  • GB606928A - Improvements in or relating to ballast lamps : en
  • GB606984A - Cutting-out stamps or punches : en
  • FR937823A - Pyrolysis process for obtaining organosilicon halides : en fr
  • GB607168A - Speed control for fans used in the regulation of boilers and for like purposes : en
  • US2447991A - Resilient bearer for offset presses : en
  • USD150743S - Design for a shoe : en
  • GB607175A - Improvements in hair curlers : en
  • GB606882A - Method of dehydrating vegetable food products : en
  • US2447872A - Printing unit and drive mechanism therefor : en
  • FR937828A - Improvements relating to a vulcanization process and apparatus : en fr
  • FR937802A - Spring assembly machine : en fr
  • US2447552A - Transmission : en
  • DK67484C - Device for car headlights. : da en
  • FR937745A - Machine for continuous mixing of thick, pasty and firm substances with continuous scraping of walls subjected to heating or cooling and particularly for refrigerating machines : en fr
  • GB607031A - Improvements in or relating to the manufacture of resinous condensation products : en
  • CA450697A - Reflector : en fr
  • CA450722A - Process for heating hardened artificial filaments, films and like thin materials having a protein basis : en fr
  • FR937674A - Cooler case : en fr
  • FR937732A - Double stick devices for piloting an aircraft, plane, seaplane or any other, following the usual maneuvers and reflexes of the pilot : en fr
  • FR937767A - Process for the preparation of heterocyclic compounds with a hexagonal ring : en fr
  • GB607170A - Improvements relating to radio-frequency electrical heating equipment : en
  • GB606897A - Improvements in or relating to a method of inoculating a liquid culture medium with mould spores : en
  • GB607138A - Panel and connecting means therefor : en
  • FR937795A - Thermal piston machine : en fr
  • GB606921A - Improvements in or relating to door construction : en
  • GB607261A - Improvements in electron discharge devices : en
  • FR937682A - Improvements to instrument cases : en fr
  • FR937765A - Process for the preparation of heterocyclic compounds having a hexagonal ring with a nitrogen atom in the ring : en fr
  • US2447695A - Bengtx : en
  • USD150730S - Design fob a shoe : en
  • GB607042A - Improvements in or relating to internal heating systems for buildings : en
  • GB607063A - An improved hoe : en
  • DK67489C - Oracle game. : da en
  • GB607103A - Improvements in or relating to the production of organic fluorine compounds : en
  • US2447487A - Traversing mechanism : en
  • GB606894A - Improvements in or relating to electric heating : en
  • GB607199A - Improvements in and relating to locks : en
  • GB607203A - Improvements in or relating to electrically energised tuning means for high frequency electron discharge devices : en
  • FR937603A - Method for the protection of sliding bearings : en fr
  • GB607026A - Improvements in or relating to articulated toys : en
  • FR937755A - Differential pump for pumping concrete or similar materials in a pipeline : en fr
  • IE18130L - Contact lenses : en
  • FR937807A - Method and apparatus for treating finely divided solids : en fr
  • GB606944A - Improvements in and relating to printing machines : en
  • US2447929A - Multistage rotary fluid power device of the rotary abutment type : en
  • USD150686S - Combined cup and saucer display stand : en
  • USD150741S - Design for a dress : en
  • FR937727A - Further training at the crates for the transport of bottles : en fr
  • GB606947A - Multi-stage centrifugal pump : en
  • USD150742S - Design for a fence post top member : en
  • US2447611A - Production of siloxane resins : en
  • GB607155A - Improvements in or relating to toys : en
  • GB607254A - Improvements in or relating to a window operator : en
  • FR937637A - Sophisticated fabric embroidery process : en fr
  • GR11779B - A MIXTURE OF CEMENT MORTAR AND ASYTUM CAN BE FORMED IN DIFFERENT SHAPES. : el en
  • GB607098A - Pulse discriminator : en
  • FR937754A - Horizontal eye cup for training footaballeurs : en fr
  • US2447912A - Scavenging means for aircraft engines : en
  • GB607050A - Improvements in draught excluders : en
  • FR937665A - Radio station with high visibility dial and center speaker : en fr
  • US2447639A - Torpedo battery compartment : en
  • FR937643A - Staircase in e plates and process for its manufacture : en fr
  • FR937670A - Radiant thermal conditioning apparatus : en fr
  • GB606916A - Improvements in or relating to seals for valve housings : en
  • GB606924A - Improved die-moulded article and method of making the same : en
  • GB607171A - Impact wrench : en
  • FR937690A - Metal tube heat exchanger : en fr
  • FR937631A - Improvements to cathodes of electric lamps, discharge tubes and the like : en fr
  • USD150725S - Design fob a billboard frame molding : en
  • FR937799A - Improvements to electrically operated counting machines : en fr
  • GB606879A - Improvements in or relating to plasticising apparatus for the moulding of plastics : en
  • DK67456C - Column truss element. : da en
  • US2447668A - Safety cutoff system for fuel : en
  • DK67487C - Propulsion device for boats. : da en
  • FR937657A - Sealed magnetic ball seal : en fr
  • FR937740A - Device for adjusting a time interval and in particular a photographic exposure time : en fr
  • GB606986A - Improvements in internal-combustion-operated free-piston compressors and gas-generators having pneumatic starters : en
  • CA450657A - Stock straightener : en fr
  • FR937704A - Improvements to measuring instruments, relays and other similar devices : en fr
  • GB606936A - Improvements in and relating to moulding polyvinyl chloride pastes : en
  • CA450784A - Interchangeable heel and heel sections : en fr
  • CA450744A - Pulse-echo distance indicator : en fr
  • CA450679A - Direct-fired heater : en fr
  • AU156346A - High-frequency pulse generator : en
  • US2447490A - Radio transmitting and receiving system : en
  • CA450635A - Carton and blank and anchorage of flaps thereof : en fr
  • GB607117A - Improvements in and relating to flux valve compass systems : en
  • US2447933A - Ionizing means for electrostatic dust-precipitation apparatus : en
  • US2447965A - Razor blade holder : en
  • US2447647A - Motor winding : en
  • US2447955A - Arc welding system : en
  • GB607253A - Methyl siloxanes and methods of preparing them : en
  • US2447707A - Control apparatus for a plurality of motors : en
  • FR937779A - Generator excitation control systems : en fr
  • US2447691A - Device for packaging and dispensing intravenous solutions : en
  • US2447740A - Tire repair clamp : en
  • CA450659A - Temporary roadway, pavement or support : en fr
  • GB607226A - Improvements in spring lever-clips particularly for use as domestic clothes pegs : en
  • US2447995A - Die clamping means : en
  • US2447663A - Fluid seal : en
  • CA450636A - Cooling system leak detector : en fr
  • US2447729A - Check valve : en
  • US2447733A - Rubber-reclaiming oil : en
  • US2447911A - Magnetic field gauge : en
  • US2447598A - Method of making pottery molds : en
  • US2447651A - Control mechanism : en
  • DK67469C - Door for baking and roasting ovens and with two-part bearing bolt and closing spring. : da en
  • FR937648A - Ball joint cardan transmission and intermediate torsion blade : en fr
  • FR937781A - Method of presenting fixed or moving stereoscopic pairs, giving, by vision to the naked eye, the impression of a real direct view of the object represented and installation for its implementation : en fr
  • GB607083A - Improvements in eddy current clutches or slip couplings : en
  • GB607220A - Improvements in and relating to cotton and like fibre drawing frames : en
  • GB607269A - Improvements in transformers with regulable output current : en
  • AU2263045A - Mercurithioammonium salts and process of making same : en
  • US2447505A - Hydrocarbon synthesis with fluidized catalyst regeneration : en
  • US2447684A - Apparatus for processing photographic articles : en
  • AU2147648A - Circular area long jet sprayer : en
  • US2448004A - Aqueous wool treating baths comprising chloroprene methacrylate copolymers : en
  • US2447791A - Carburetor : en
  • GB606888A - Improvements in blankets for use by printers : en
  • USRE23031E - Calculating machine : en
  • US2447746A - Guided free film distillation method : en
  • US2447869A - Cleaner rod guide for gun barrels : en
  • US2447970A - Apparatus for cooling or attemperating oil or other liquid : en
  • US2447716A - Method and apparatus for carbonating liquids used for drinking : en
  • GB607153A - Improvements in pneumatically operated screw vices : en
  • GB607260A - Improvements connected with folding perambulators or like carriages : en
  • USD150698S - Necklace or similar article : en
  • CA450689A - Cooking stove : en fr
  • US2447508A - Engine cylinder : en
  • US2447814A - Synthesizing vitamins in stillage : en
  • AU2195248A - A method of producing an aromatized butter with good keeping qualities by cooling rich cream : en
  • US2447562A - Device for supporting workpieces to be tooled : en
  • DK67485C - Shutter construction in Ships. : da en
  • AU1687747A - An improved roofing tile : en
  • US2447670A - Form for molding concrete in situ : en
  • CA450644A - Show stand display container : en fr
  • US2447837A - Coking chamber with enlarged upper portion : en
  • FR937831A - Spark plug for low voltage : en fr
  • GB607002A - Improvements in or relating to apparatus for testing the ends of cigarettes and sorting the cigarettes accordingly : en
  • GB607036A - Improvements in and relating to centrifugal pumps : en
  • AU130877B2 - Improvement in variometer : en
  • CA450707A - Motor vehicle : en fr
  • US2447904A - Hose supporter : en
  • CA450749A - Power supply system : en fr
  • FR937696A - Tele-typing transmission system : en fr
  • US2447711A - Precision leveling chuck : en
  • AU143239B2 - Improvements in microwave scanning systems : en
  • US2447493A - Sealing device for dry cells : en
  • US2447722A - Crib : en
  • US2447854A - Spindle for textile mill use : en
  • US2447767A - Indicator for impact testing machines : en
  • US2447917A - Spirally contractable mop wringing attachment for scrub buckets : en
  • FR937645A - cell : en fr
  • FR937697A - Cryptographic method and devices for five-unit telegraph code : en fr
  • US2447513A - Fuel injection means for free piston engines : en
  • FR937718A - Improvements to the central propeller hub cowls : en fr
  • GB607012A - Apparatus for the continuous softening of feed water for steam boilers : en
  • USD150726S - Design for a ring : en
  • US2447885A - Type bar mechanism for typewriting machines : en
  • US2447681A - Process of stiffening shoe parts : en
  • GB607146A - Improvements in or relating to road vehicles : en
  • CA450768A - Microwave radio transmission : en fr
  • AU144503B2 - Improvements in and relating to adhesive bandages : en
  • CA450759A - Foam homogenizer : en fr
  • CA450764A - Power transmission : en fr
  • CA450726A - Negative feedback amplifier : en fr
  • US2447631A - Waterproof electrical coil : en
  • CA450671A - Process of metal recovery : en fr
  • GB607030A - Improvements in volume compression or expansion circuits : en
  • US2447550A - Fruit flavored food composition : en
  • US2447890A - Electromagnetic mechanism : en
  • FR937709A - Gearbox maneuvering device for motor vehicles and other applications : en fr
  • USD150675S - Design fob a link bracelet : en
  • FR937772A - Single joystick control helicopter : en fr
  • GB606961A - Improvements in or relating to galvanic batteries : en
  • US2447775A - Binder mechanism : en
  • USD150731S - Design fob a shoe : en
  • USD150680S - Design fob a trailer : en
  • US2447659A - Trailer dolly : en
  • US2447974A - Nitrosulfones : en
  • USD150689S - Design for a knife : en
  • US2447645A - Locking-bar motor-frame assembly : en
  • US2447522A - Machinery for vacuum tube manufacture : en
  • US2447549A - Radio glide path landing system for aircraft : en
  • GB607167A - Improvements in or relating to annealing covers : en
  • US2447506A - Coating and impregnating composition : en
  • USD150694S - Design for an overshoe : en
  • GB607198A - Improvements in or relating to fluid control means : en
  • US2447918A - Aircraft cabin pressure regulator : en
  • USD150687S - Michofhone or the like : en
  • US2447903A - Cardholder with slide : en
  • US2447972A - Target balloon : en
  • USD150678S - Design for an earring or similar article : en
  • US2447606A - Assemblage of refrigerating units : en
  • USD150709S - Design fob a brooch ob similab abticle : en
  • FR937712A - Folding machine : en fr
  • US2448005A - Aqueous wool treating baths comprising chloroprene copolymers : en
  • AU2516045A - Improvement in electrical networks for phase shifters : en
  • US2447580A - Device for testing electric irons : en
  • US2447892A - Flashlight attachment for firearms : en
  • US2447996A - Money clip : en
  • US2447894A - Electric refrigerator alarm system : en
  • US2447841A - Taping head for cable insulating machines : en
  • CA450755A - Method of making hollow poppet valves : en fr
  • US2447528A - Container treating machine : en
  • USD150722S - Neville cabinet : en
  • US2447502A - System for radio direction finding and similar purposes : en
  • US2447699A - Open-top refrigerated display case : en
  • US2447751A - Novelty rotary display stand : en
  • GB607283A - Improvements in packing for gas or vapour and liquid contacting apparatus : en
  • US2447627A - Compressed gas circuit interrupter : en
  • GB607069A - Improvements in or relating to bench, table, desk and like clamping devices : en
  • AU2257245A - Signal-translating system : en
  • AU141541B2 - Circular area long jet sprayer : en
  • AU1460147A - Improvements in circuit arrangements to convert frequency modulation waves into amplitude modulation waves : en
  • AU128736B2 - Mercurithioammonium salts and process of making same : en
  • US2447525A - Can closing machine : en
  • US2447612A - Dial indicator mount for slide calipers : en
  • US2447920A - Flow-proportioning valve : en
  • US2447815A - Fluid pressure controlled power steering mechanism : en
  • US2447946A - Rattler : en
  • AU2149648A - Improvement in molding machine : en
  • USD150717S - Design for a vehicle ornament or the like : en
  • US2447629A - Apparatus for forming a section of casing below casing already in position in a well hole : en
  • US2447719A - Electron tube : en
  • US2447816A - Temperature responsive variable frequency oscillator : en
  • US2447817A - Temperature or pressure responsive variable frequency oscillator : en
  • US2447927A - Luminescent zinc fluoride : en
  • FR937680A - Electrical connection cable : en fr
  • US2447679A - Spring suspension for motorbuses or like vehicles : en
  • US2447683A - Sofa bed hinge : en
  • US2447949A - Circuit interrupter : en
  • US2447884A - Material working apparatus : en
  • US2447988A - Ampoule neck cutter : en
  • US2447755A - Washboard attachment for washing machine agitators : en
  • US2447900A - Hose coupling : en
  • US2447952A - Strainer : en
  • US2447981A - Anthraquinone vat dyestuffs : en
  • GB606951A - Improvements relating to exhibition stands, room partition walls, show cases, and the like : en
  • CA450670A - Method and apparatus for treating particles of materials : en fr
  • US2447753A - Hermetically sealed switchboard : en
  • US2447698A - Appliance for the spine : en
  • AU879146A - Improvements in radio location and detection arrangements : en
  • AU143842B2 - Improvement in molding machine : en
  • AU131950B2 - Electron discharge devices and associated circuits : en
  • AU144420B2 - Corn popping machines : en
  • FR937673A - Pencil sharpening machine : en fr
  • FR937628A - Improvements in the construction of electric coils : en fr
  • FR937821A - Improvements to electric circuit breakers with gas blowing : en fr
  • US2447724A - Color control for photographic enlargers : en
  • FR937627A - Machine for the milling of caps : en fr
  • GB607139A - Improvements in closures for canisters and the like containers : en
  • GB607289A - Improvements in processes for producing substituted acridines : en
  • CA450739A - Anti-corrosion plug : en fr
  • CA450756A - Catalytic polymerization of unsaturated hydrocarbons : en fr
  • AU129780B2 - Wave-signal transmission line : en
  • US2447563A - Collapsible covered container or box : en
  • CA450761A - Power transmission : en fr
  • CA450746A - Timing modulation : en fr
  • US2447633A - Electric vehicle control system : en
  • US2447675A - Reversible single-phase motor : en
  • US2447692A - Coffee-making apparatus : en
  • US2447895A - Alarm system for electric refrigerators : en
  • US2447819A - Commutator : en
  • CA450684A - Plural stage fluid power device : en fr
  • GB606922A - Improvements in or relating to door construction : en
  • FR937771A - Improvements to beauty accessories : en fr
  • GB607281A - Improvements in and relating to the bodywork of motor vehicles : en
  • GB607250A - Garment : en
  • US2447802A - Tumbling machine : en
  • US2447827A - Automatic shutoff device for oil wells : en
  • US2447789A - Evaporating crucible for coating apparatus : en
  • GB607147A - High-frequency pulse generator : en
  • GB607163A - Improvements in or relating to hatch covers or like closure devices : en
  • GB607214A - Improvements in and relating to material of laminated wood having an intermediate cellular structure : en
  • US2447585A - Reduction of the ash content of nitroaromatic compounds : en
  • US2447914A - Process for making alkali cellulose : en
  • GB607169A - Improvements relating to books : en
  • AU133591B2 - Improvement in high-frequency pulse generator : en
  • FR937708A - Connection device between the elements of a crankshaft roller bearing and the elements of a connecting rod assembly with multiple connecting rods : en fr
  • GB606983A - Improvements in or relating to process and apparatus for manufacturing wool-like artificial filaments : en
  • IE18445L - Selenium rectifiers : en
  • CA450705A - Process of making disazo dyestuffs : en fr
  • US2447795A - Picking cam and mounting therefor : en
  • FR937678A - lifting and tilting construction element : en fr
  • FR937819A - Current transport for model railway tracks : en fr
  • GB607044A - Improvements in or relating to the production of chemical compositions containing lead dioxide : en
  • GB607082A - Cooling device for triple-expansion and quadruple-expansion steam engines : en
  • GB607154A - Improvements in or relating to induction heating : en
  • GB607217A - Apparatus for instruction in night navigation : en
  • GB607074A - Improvements relating to the sealing together of pieces of sheet material : en
  • GB607238A - Improvements in spring assemblies for seats and the like : en
  • FR937698A - Numbering device and its applications, in particular on photographic document copying devices : en fr
  • GB606901A - Improvements in or relating to the recovery of guanidine salts : en
  • GB606934A - Improvements in drag-line excavators : en
  • GB606886A - Improvements relating to apparatus for teaching aerial navigation by radio signalling : en
  • GB607291A - Cooking and vending machine : en
  • US2447503A - Wheel dressing mechanism : en
  • US2447640A - Method and apparatus for orienting, peeling, halving, and coring pears : en
  • GB607102A - Improvements relating to agitating apparatus : en
  • GB607091A - Improvements in or relating to sealing means for rotatable shafts : en
  • US2447797A - Edge filter : en
  • USD150672S - Airplane d. a. beck : en
  • GB607216A - An auxiliary bobbin support for use on the shank of a bobbin holder : en
  • GB607001A - Improvements in artificial limbs : en
  • CY71A - Biguanide derivatives : en
  • FR937744A - Process for incorporating couplers into photosensitive emulsions for color photography : en fr
  • GB607043A - Apparatus operating at predetermined times : en
  • GB607288A - Improvements in gas or vapour and liquid contacting methods and apparatus : en
  • FR937700A - Improvement in tower benches to increase their rigidity : en fr
  • FR937786A - Improvements made to the processes making it possible to reduce the shrinkage of woolen and combed wool fabrics and threads. woolen and combed woolen fabrics produced by these processes : en fr
  • US2447514A - Method of dissolving cellulose in ammoniacal copper compounds : en
  • GB607084A - Improvements in combined dynamometers and eddy current slip couplings : en
  • GB607172A - Improvements in or relating to ladders : en
  • US2447968A - Hydraulic stop for gun mount systems : en
  • USD150695S - Design for a cake of soap : en
  • GB607077A - Improvements in and relating to extrusion machines for materials in a plastic state : en
  • GB607310A - Improvements relating to diamond and other drills for boring in the earth's strata : en
  • AU2191848A - A method of sterilizing and packaging material employing expoxides, and the product of such method : en
  • GB606890A - Improvements in cooling devices for the lubricating oil of internal combustion engines : en
  • GB607297A - Improvements in and relating to interconnecting devices for electrical apparatus : en
  • FR937694A - Toy railway : en fr
  • US2447560A - Temperature regulator : en
  • US2447597A - Self-locking electric outlet and plug : en
  • FR937764A - Improvement in television equipment : en fr
  • CA450765A - Power transmission : en fr
  • FR937826A - Binder for refractory molds : en fr
  • GB606993A - Improvements in and relating to the feeding of blanks of paper and the like in the wrapping of packages, particularly in the packaging of plastic masses : en
  • GB607100A - Improvements in or relating to holders for cigarette cartons, match boxes and the like : en
  • US2447997A - Apparatus for sealing containers : en
  • US2447738A - Toilet seat : en
  • US2447875A - Maternity pantie : en
  • US2447953A - Hair brushing device : en
  • GB606990A - Improved combustion chamber for internal combustion engines : en
  • CA450748A - Electrical heating device : en fr
  • GB607040A - Improvements in or relating to mirrors : en
  • GB607186A - Antibiotic substances and processes for preparing same : en
  • FR937833A - Synthesis gas manufacturing : en fr
  • USD150740S - Yog el spark plug cleaner : en
  • US2447897A - High-temperature stainless steel : en
  • USD150697S - Design for a pin-up hat tree : en
  • US2447858A - Valve seat assembly : en
  • US2447536A - Container closure : en
  • FR937742A - Non-reflective coatings : en fr
  • GB606987A - Improved reinforced wooden boarding unit and method of producing the same : en
  • GR11783B - JOINT COOLING SYSTEM AFTER MODERN PRODUCTION OF COLD WATER OR OTHER DRINKING CONTINUOUS FLOWING LIQUID. : el en
  • GB607067A - Improvements in or relating to door handles : en
  • GB607280A - Improvements relating to sound reproducing apparatus : en
  • GB607241A - Improvements in or relating to the construction of model ships : en
  • US2447748A - Buffer : en
  • GB607266A - Coupling for bands or the like : en
  • US2447808A - Indexing device : en
  • US2447566A - Apparatus for measuring a condition on a rotating member : en
  • US2447484A - Nonrefillable bottle : en
  • GR11782B - METAL LATTERS. : el en
  • GB606977A - Improvements in and relating to flexible pocket receptacles : en
  • GB607115A - Improvement in and relating to means for absorbing and diverting the energy of marine waves : en
  • FR937803A - Bottle straw forming machine : en fr
  • US2447809A - Electrothermic gas producer : en
  • USD150705S - Earring or similar article : en
  • GB607025A - Improvements in and connected with rocket projectors : en
  • GB607201A - Improvements in or relating to high frequency electron discharge device : en
  • GB606968A - Earth inductor compass : en
  • FR937655A - Process and tools for the composition and application of inscriptions with raised characters : en fr
  • CA450637A - Concealed fire-arm : en fr
  • CA450666A - Stretching and clamping tool for tire tubes : en fr
  • CA450752A - Centrifugal pump : en fr
  • GB607106A - Improvements in and relating to snap-action electric switches : en
  • US2447860A - Method of dispersing keratin proteins and the composition resulting therefrom : en
  • GB606967A - Improvements in or relating to methods for the oxidation of saturated aliphatic hydrocarbon gases : en
  • FR937850A - Chemical compounds and their preparation process : en fr
  • GR11777B - FINISHING IN OR IN RELATION TO BODIES MODIFIED IN STEAM AND DISTRIBUTED USED TO FIGHT INFECTIONS. : el en
  • FR937843A - Improvements to crucibles or furnaces for melting materials to be drawn in the form of fibers or fine filaments : en fr
  • CA450783A - Pleated garment : en fr
  • US2447705A - Folding carriage for children : en
  • GB607232A - An improved toy or game apparatus : en
  • GB606979A - An improved method of and means for constructing and positioning concrete walls, slabs and the like : en
  • GB607237A - Means for spraying or projecting powder : en
  • GB606978A - Improvements in and relating to a system for heating and cooling buildings employingradiating panels : en
  • FR937827A - Improvements to electronic discharge devices : en fr
  • GB607087A - Improvements in dyes and coloured products : en
  • FR937777A - Automatic sea urchin claw : en fr
  • FR937738A - Velocity Modulated Oscillator Tubes : en fr
  • GB606930A - Improved method of manufacturing thorium : en
  • GB607251A - A circular linking machine : en
  • US2447942A - Turbine distributor and nozzle : en
  • USD150714S - Design for a necklace or similar article : en
  • USD150723S - Design for a book end : en
  • DK67460C - Indicator device with closed electric accumulators for Indication of impermissible Lowering of the Electrolyte level. : da en
  • FR937752A - Folding car for children : en fr
  • AU2326545A - Directing-indicating System : en
  • FR937672A - Watering device : en fr
  • FR937686A - Improvements to dentures : en fr
  • CA450654A - Snubbed truck : en fr
  • USD150685S - Design for a chair : en
  • GB606957A - Improvements in and relating to control systems for guns or sights : en
  • GB607274A - Improvements in or relating to laundering and other washing processes : en
  • US2447741A - Liquid oxygen pump : en
  • DK67457C - Apparatus for Separating Dust from an Aerated or Vaporous Medium by Treatment with a Liquid. : da en
  • FR937721A - heat exchanger : en fr
  • US2447540A - Butadiene-acrylate interpolymer treatment of wool : en
  • US2447754A - Manufacturing and filling of essence containing packages for brewing beverages : en
  • FR937761A - Lifting device, especially for handling stacks of fruit crates : en fr
  • CA450766A - Pressure actuated brake mechanism : en fr
  • CA450681A - Material handling apparatus : en fr
  • CA450702A - Washing apparatus : en fr
  • AU131995B2 - Pulse modulated wave-signal receiver : en
  • CA450661A - Cigarette package : en fr
  • US2447637A - Vapor electric device : en
  • US2447843A - Tie : en
  • US2447913A - Hitch pin : en
  • USD150711S - Brooch or similar article : en
  • US2447646A - Vapor electric device : en
  • CA450769A - Coupling system : en fr
  • US2447812A - Polymeric material containing 1, 2-dicyano-1-methylethylene : en
  • CA450782A - Looms and hydraulic check therefor : en fr
  • USD150720S - Design fob a trouble light guard : en
  • AU144348B2 - Improvements in or relating to cavity resonators and circuitarrangements ofthe kind comprising sucha cavity resonator : en
  • US2447770A - Combination jar wrench and holder : en
  • CA450662A - Truck tank : en fr
  • CA450677A - Process of wire drawing and lubricant therefor : en fr
  • US2447744A - Pumping unit : en
  • USRE23029E - Bundling and binding means : en
  • FR937793A - Improvements to molds intended for the manufacture of construction slabs : en fr
  • GB607053A - Improvements in or relating to electric tumbler switches : en
  • CA450772A - Frequency diversity telegraph system : en fr
  • US2447599A - Methylation of aromatic hydrocarbons : en
  • US2447558A - Gauging apparatus for controlling a grinding operation : en
  • US2447714A - Food grater : en
  • US2447954A - Shoe insert : en
  • US2447545A - Synthesis of tryptophane and intermediates therefor : en
  • AU144024B2 - Improvements in or relating to iodo-amino-phenyl derivatives of saturated carboxylic acids andthe preparation thereof : en
  • AU145995B2 - A method of producing an aromatized butter with good keeping qualities by cooling rich cream : en
  • CA16399S - Window molding : en
  • CA450777A - Electrical relay : en fr
  • USD150744S - Design fob a teophy base : en
  • US2447696A - Combustion gas and steam turbine arrangement : en
  • US2447759A - Open top access refrigerated display case : en
  • US2447928A - Unit handled double row roller bearing : en
  • CA450750A - Method of recovering zinc : en fr
  • CA450780A - Manufacture of artificial filaments : en fr
  • DK67482C - Support device for prams. : da en
  • AU2209348A - Improvements in apparatus forthe reproduction of optical records contained in magazines arid magazines for use therewith : en
  • US2447644A - Regulating system : en
  • US2447829A - Germanium-helium alloys and rectifiers made therefrom : en
  • US2447844A - Snake bite kit : en
  • GB606910A - Improvements in or relating to frequency transposing devices : en
  • US2447728A - Radio direction and range indicator : en
  • FR937751A - Advanced Umbrella Holder : en fr
  • FR937784A - Adjustable ring gauge : en fr
  • AU108246A - Improvements in radio direction finding : en
  • US2447773A - Method of preparing polyvinyl acetal ketal resins : en
  • USD150739S - Design fob. a vanity : en
  • US2447626A - Beta-diketones and process for preparing them : en
  • US2447798A - Clock control mechanism : en
  • GB607140A - Improvements in and relating to guards for machine tools : en
  • US2447523A - Catalytic hyi : en
  • US2447624A - Indicator mounting bracket : en
  • US2447678A - Door check : en
  • US2447849A - Magnetometer : en
  • US2447833A - Attachable light for sewing machines : en
  • GB607152A - Improvements in electric fires : en
  • GB607202A - Improvements relating to liquid level indicators : en
  • US2447713A - Brake and sanding control apparatus : en
  • US2447769A - Method of and means for cooling beverages : en
  • US2447804A - Electron beam focusing circuit : en
  • FR937818A - Ambidextrous control fishing reel : en fr
  • GB607143A - Improvements relating to draught-excluders : en
  • AU1463347A - Improved goods transporter : en
  • USD150719S - Design for an electric range : en
  • GB606991A - A tobacco pipe or cigarette holder for smokers : en
  • GB607076A - Improvements in and relating to machines for de-airing plastic materials : en
  • GB606914A - Improvements in inspection windows for furnaces and the like : en
  • USRE23030E - Educational device : en
  • GR11781B - IMPROVEMENTS IN THE STRAIGHT HANDLE OF THE DENTIST (DENTAL LIFE). : el en
  • US2447874A - Electrical terminal connector : en
  • US2447830A - Support device : en
  • US2447937A - Method of laying submerged pipe : en
  • DK67464C - Coupling with two discharge pipes, the wall of which consists of insulation material. : da en
  • GB607234A - Improved process for the preparation of gel particles : en
  • US2447509A - Lubrication : en
  • USD150704S - Design fob an eabbing ob similar abticle : en
  • FR937804A - Method and electronic apparatus for setting and measuring time in signaling : en fr
  • GB606994A - Improvements in spinning bait : en
  • US2447486A - Condenser system for airplane engines : en
  • US2447524A - Can closing machine : en
  • FR937714A - Improvements to electric generators and electrical installations : en fr
  • US2447501A - Grid electrode for electron discharge devices : en
  • GB607081A - Improvements relating to shock absorbers for motor road vehicles and the like : en
  • FR937705A - Method for automatic control of the speed of rotation of power units on board aircraft and devices implementing this method : en fr
  • GB607302A - Improvements in typewriting machines : en
  • US2447982A - Method and apparatus for handling continuous yarns and the like : en
  • US2447504A - Fluorodinitroethanes : en
  • FR937719A - Process for the preparation of water-soluble derivatives of para-aminobenzenesulfonylurea : en fr
  • GB607276A - Unwinding and feeding metal strip from coils : en
  • GB607060A - Improvements in and relating to fountain pens : en
  • GB607051A - Improvements in fittings for tubular electric discharge lamps : en
  • FR937773A - Lighting fixtures improvements : en fr
  • US2447623A - Kaleidoscope : en
  • GB607264A - Improvements in or relating to coats, jackets, and like garments for personal wear : en
  • GB607262A - Improvements in folding chairs : en
  • US2447882A - Universal joint : en
  • CA450786A - Ground protection cylinder : en fr
  • US2447847A - Compensated step-by-step mechanism : en
  • US2447780A - Potentiometer assembly : en
  • US2447554A - Fishhook extractor : en
  • FR937780A - Railway rail joint : en fr
  • US2447571A - Ditch paving machine : en
  • US2447756A - Process for treating cellulose ethers to improve their dissolving properties : en
  • US2447822A - 5-nitrotetrahydro-1, 3-oxazines and method for preparing them : en
  • GB606931A - Improvements connected with devices for attaching broom handles to the stocks of broomheads : en
  • US2447866A - Shifter arrangement : en
  • CA16416S - Food tongs : en
  • CA450708A - Plastic polymeric derivatives of chloroprene : en fr
  • USD150700S - Earring or similar article : en
  • GB607259A - Method of rendering chip-board or box-board liners of gypsum plasterboards resistant to accidental damage : en
  • AU240246A - Electron discharge devices and associated circuits : en
  • FR937667A - Process for the manufacture of the ammonium salt of 2-methyl dinitro-4,6phenol as such or as a mixture with ammonium salts of other nitrated and / or halogenated phenols or naphthols, as well as mixtures of the latter salts , in a coherent form : en fr
  • GB607211A - Improvements in or relating to servo-assisted manual control systems : en
  • DK67488C - Sighting device with firing time indication. : da en
  • GB606929A - Improvements in or relating to folding tables, seats and like articles of furniture : en
  • FR937739A - Improvements to speed modulated oscillator tubes : en fr
  • FR937839A - Electric oscillators : en fr
  • GB607033A - Improvements in prisms : en
  • CA450658A - Humidifier : en fr
  • GB607312A - A method of producing an insulating and sound-damping layer and a building construction comprising one or a plurality of such layers : en
  • GB606942A - Hydraulic pressure control means : en
  • GB606955A - Improvements in and relating to gyro-instruments : en
  • US2447813A - Resinous interpolymer containing 1, 2-dicyano-1-phenylethylene : en
  • US2447964A - Cord handled bag : en
  • GB606998A - Improvements in or relating to safety devices for runaway railway trucks : en
  • AU2206748A - Improvements in and relating to adhesive bandages : en
  • CA450776A - Treatment of finely divided magnetic material : en fr
  • AU145328B2 - Improvement in sensitized photographic emulsion containing color couplers : en
  • US2447902A - Fuel control for hot-air heaters : en
  • CA450710A - Construction of composite metal article : en fr
  • CA450652A - Wheel structure : en fr
  • FR937604A - Packaging for safety razor blades : en fr
  • GB607160A - A radio frequency inductor : en
  • US2447583A - Preparation of cyclic oximes : en
  • CA450686A - Universal joint : en fr
  • CA450715A - Paint spraying machine : en fr
  • CA450640A - Valve system : en fr
  • US2447820A - Regulating valve : en
  • CA450774A - Electron discharge device : en fr
  • US2447786A - Rearview mirror : en
  • CA450738A - Electronic device : en fr
  • US2447655A - Regulating system : en
  • CA450653A - Combined cabinet and extensible table : en fr
  • US2447715A - Esters of diacyl-glycerophosphoric acids : en
  • US2447859A - Stock pusher : en
  • USD150710S - Design for an earring or similar article : en
  • AU2153948A - Improvements in or relating to processes for making acylated polystyrene, the polymers so prepared, and mineral oil compositions containing the polymers : en
  • USD150745S - Design fob a luminaire : en
  • GB607244A - Improvements in or relating to abrading machines : en
  • FR937626A - Improvements to damping devices for independent piston gas engines : en fr
  • US2447602A - Beverage cabinet having a rotatable compartmented member : en
  • US2447526A - Combined door holder and burglar alarm : en
  • US2447529A - Method for removing impurities from hydrocarbons : en
  • GB606933A - Process for the production of tubular heat exchangers with tubes grouped together in nests : en
  • GB607000A - Improvements in or relating to electrically driven machines for kitchen use : en
  • US2447998A - Preparation of substituted acylanilides : en
  • FR937630A - Improvements to indicating devices intended to measure or compare electrical quantities : en fr
  • US2447959A - Loading and transporting device : en
  • US2447983A - Shrinkable container closure : en
  • GB607128A - Improvements in automotive vehicle spring suspensions : en
  • US2447638A - Excitation control system for vapor electric devices : en
  • US2447975A - Preparation of acetal bodies from polyhydric alcohols : en
  • GB607059A - Improvements in or relating to amplifier circuits : en
  • GB606881A - Electromagnetic switches : en
  • GB607225A - Improvements in and relating to dry shavers with comb drum and method in the production of the drum : en
  • US2447662A - Brush holder mounting : en
  • US2447823A - Production of nu-substituted furfurylamines : en
  • GB606963A - Shrinkable container closure and process of making the same : en
  • GB607273A - Improvements in or relating to gas purification apparatus : en
  • FR937684A - Improvements to fruit pitting machines : en fr
  • GB607027A - Improvements in or relating to superheterodyne receiving arrangements : en
  • GB607303A - Apparatus for homogenizing mixed liquid ingredients : en
  • GB607151A - Process for the production of artificial flowers : en
  • GB607080A - Improvements in control gear for electric cranes and the like : en
  • FR937617A - Process for the manufacture of improved stem holders for the display of natural flowers and resulting product : en fr
  • GB607145A - Improvements in or relating to shoe-trees : en
  • GB607207A - Ceramic articles such as artificial teeth and material and method for colouring or shading the same : en
  • GB607150A - Auxiliary hand-control means for a motor-vehicle : en
  • FR937662A - Device for the instantaneous connection of insulated electric wires, and apparatus incorporating this device : en fr
  • GB607122A - Improved process of extracting penicillin and product of said process : en
  • GB606999A - Improvements in central heating and hot water supply systems : en
  • CA450650A - Wheel structure : en fr
  • CA450728A - Asbestos processing : en fr
  • US2447976A - Cutting apparatus : en
  • GB607007A - Improvements in or relating to linear-dimension gauging apparatus : en
  • US2447530A - Process for purifying oils : en
  • GB606959A - Improvements relating to follow-up apparatus : en
  • AU119946A - Improvement invariable reactive microwave device : en
  • FR937646A - New polymerisable and leerisable materials and their polymers : en fr
  • FR937760A - Lifting fork device for handling boxes or packages to be folded : en fr
  • GB606906A - Improvements in or relating to ozonisers : en
  • GB607068A - Improvements in or relating to refractory materials and apparatus made therefrom : en
  • FR937664A - Knitting machine for making tubular cord : en fr
  • FR937703A - Vitreous material interposed between a glass bath and the electrodes which serve for the transmission of the electric current for the heating of this bath by the Joule effect and the process resulting from its use : en fr
  • GB606915A - Improvements in or relating to electric generating plants for the propulsion of vehicles : en
  • FR937713A - Improvement in the production of processed cheeses : en fr
  • FR937616A - Coffee brewer : en fr
  • US2447930A - High-speed oil seal : en
  • US2447610A - Solid halogen derivatives of polymerized methyl pentadiene : en
  • US2447747A - Teapot spout ladle : en
  • GB607282A - Packing for gas or vapour and liquid contacting apparatus : en
  • US2447743A - Glass-topped tennis table : en
  • US2447969A - Electric switch : en
  • US2447720A - Fish pole : en
  • FR937763A - Method and devices for obtaining metal powders : en fr
  • FR937812A - Method and devices for mechanical salt collection in large salt works : en fr
  • GB607227A - Two-voice frequency signalling equipment : en
  • GB607192A - Reflection reducing coatings for glass surfaces : en
  • US2447496A - Flux valve system and method of operation : en
  • US2447889A - Sine angle plate : en
  • USD150699S - Necklace or similar article : en
  • US2447891A - Pivoted breech block pistol with a three-pronged biasing spring : en
  • CA16393S - Cigarette lighter : en
  • USD150718S - Levin illuminator globe : en
  • US2447618A - Portable grinding stand : en
  • US2447938A - Support for portable fire baskets : en
  • US2447971A - Tree suspension grenade device : en
  • US2447531A - Method of simultaneously beaming and electroplating wires : en
  • US2447779A - Speed governing mechanism : en
  • AU235446A - Improvement in variometer : en
  • US2447534A - Metal rectifier : en
  • US2447609A - Process of making marquetry inlay : en
  • US2447806A - Cam operated circuit breaker : en
  • USD150737S - Design for a dress ensemble : en
  • US2447710A - Deceleration control apparatus : en
  • US2447876A - Aqueous dispersions of butadiene polymers and treatment of wool therewith : en
  • GB606960A - Improvements relating to the recording of sound : en
  • GB607243A - Improvements in and relating to pyrophoric lighters : en
  • GB607136A - Improvements in rotary printing machines : en
  • GB607294A - Improvements in or relating to wireless aerial systems : en
  • GB607066A - Improvements in or relating to cinematographic apparatus : en
  • US2447993A - Process for dyeing textile fibers with vat dyes : en
  • US2447898A - Automobile fender construction : en
  • CA450667A - Carrier for bottled beverages : en fr
  • DK67471C - Machine for assembling or picking up topped tubes with an impeller designed as a cleaning and lifting drum and a collecting container in connection with this. : da en
  • AU140387B2 - An improved roofing tile : en
  • US2447567A - Stretching of cellulose ester yarn : en
  • DK67455C - Method for Manufacturing Patterned Textile Materials. : da en
  • AU2145048A - Improved screening Drum for draining suspensions : en
  • CA450687A - Alloy : en fr
  • US2447693A - Process for the manufacture of esters of hydroxy carboxylic acids : en
  • CA450723A - Apparatus for producing sharply defined signalling impulses : en fr
  • CA450737A - Method of and apparatus for continuously cooling liquids including liquefied fats, oils or the like : en fr
  • CA450745A - Tone converter : en fr
  • FR937647A - Adjustable and exchangeable heel for shoes : en fr
  • FR937668A - Excavator-unloader : en fr
  • AU2149248A - Improvement in sensitized photographic emulsion containing color couplers : en
  • GB607141A - Improvements in or relating to bumpers for road motor vehicles : en
  • CA450717A - Shock absorbing device : en fr
  • US2447595A - Sampler for gas-liquid mixtures : en
  • US2447574A - Safety cranking means for hand wheels of machine spindles and the like : en
  • US2447870A - Drinking container and jar closure fitting : en
  • US2447717A - Fluorination of organic compounds : en
  • CA450725A - Automatic frequency control : en fr
  • GB607279A - Improvements relating to sound reproducing apparatus : en
  • US2447630A - Method of making selenium rectifiers : en
  • USD150677S - Design for a wrench : en
  • USD150674S - Design for a casing for a space heater : en
  • US2447577A - Treating hydrocarbon fluids : en
  • CA450747A - Electronic indicator system : en fr
  • US2447584A - Indicator : en
  • US2447687A - Process for obtaining multicolor pictures : en
  • US2447867A - Azo dyestuffs of the pyrazolone series : en
  • AU138816B2 - Improved screening Drum for draining suspensions : en
  • FR937846A - Stabilization of light sensitive silver halide emulsions : en fr
  • GB606898A - Improvements in and relating to the production of nitroparaffins : en
  • CA450704A - Electronic vehicle control apparatus : en fr
  • US2447915A - Stapling kit : en
  • FR937840A - Further development of elastic support devices for the blank holder in stamping presses : en fr
  • US2447535A - Container closure : en
  • CA450729A - Rim : en fr
  • US2447596A - Vaccination device : en
  • FR937724A - Improvements to receiving devices for lifting devices : en fr
  • GB606904A - Improvements in and relating to electric pulse generators : en
  • GB607284A - Improvements in gas or vapour and liquid contacting apparatus : en
  • GB607055A - Improvements relating to stillages and supports : en
  • GB607178A - Improvements in or relating to the manufacture of mosaic screens : en
  • GR11778B - MECHANICAL RECYCLING SYSTEM FOR MECHANICAL CYLINDERS. : el en
  • FR937794A - Improvements to garden bells, diaper frames, etc. : en fr
  • GB606891A - Improvements relating to attenuators for electric waves : en
  • GB607121A - Improvements in or relating to hydraulic torque transmitting devices : en
  • US2447781A - Electric discharge tube : en
  • FR937774A - Improvements in methods and devices for measuring parts using an elastic fluid : en fr
  • FR937776A - Improvements to radio antennas : en fr
  • GB607293A - Improved device for coupling together tractors and trailers : en
  • GB607008A - Improvements in and relating to the preparation of riboflavin : en
  • CA450721A - Active contact mass : en fr
  • US2447761A - Loom shuttle swell : en
  • US2447864A - Pivot mounting for looms and the like : en
  • US2448002A - Method of making prolamines : en
  • USD150728S - Design foe a gas cookstove : en
  • US2447796A - Grid structure for electron discharge tubes : en
  • US2447799A - Sequential electronic commutator with supplementary grid control : en
  • FR937699A - Current supply and suspension device for electrodes : en fr
  • US2447956A - Means for connecting separated parts of a bicycle frame : en
  • FR937822A - Process for the deposition of a suspended substance : en fr
  • US2447801A - Socket for fluorescent lamps : en
  • GB607200A - Improvements in and relating to radio frequency coupling arrangements : en
  • CA450762A - Power transmission : en fr
  • GB607252A - Improvements connected with switching arrangements for the field control of d.c. electric motors : en
  • US2447962A - Cutoff machine : en
  • CA450683A - Fluid pressure control mechanism : en fr
  • FR937658A - Device to develop the muscles of the hand and arm : en fr
  • GB607239A - Improvements in or relating to headphones : en
  • FR937679A - Construction method of buildings having their essential elements prefabricated : en fr
  • GB607011A - Improvements in grain separators : en
  • US2447667A - Camera carriage : en
  • AU1529047A - An improved harmonic frequency generator : en
  • CA450740A - Anti-cororsion plug : en fr
  • CA450779A - Submersible electric motor : en fr
  • USD150703S - Design for an earring or similar article : en
  • US2447762A - Organic cation exchange adsorbents prepared from spent alkylation sulfuric acid or similar material : en
  • US2447850A - Cap construction : en
  • AU1896245A - Improvements in or relating to electric cooking stoves : en
  • FR937605A - Force transmission system : en fr
  • GB606973A - Improvements in coal and like cutters : en
  • US2447828A - Light-polarizing prism : en
  • CA450716A - Synchronizing system : en fr
  • US2447793A - Auxiliary charge regulating device : en
  • AU138972B2 - Airplane fuel servicing unit : en
  • GB607034A - Improvements in and relating to apparatus for depositing tar or bitumen or emulsions thereof on road surfaces and the like : en
  • GB607070A - Improvements in or relating to mincing, grinding and like machines : en
  • GB606975A - Improvements in tubular, natural circulation steam generators : en
  • US2447485A - Supersonic measuring apparatus : en
  • GB606920A - New or improved games apparatus : en
  • GB607018A - Improvements in metal boats : en
  • USD150679S - Design for a backing table : en
  • CA16415S - Pail : en
  • FR937625A - Safety device for gas engine with independent pistons : en fr
  • GB607164A - Improvements in and relating to furniture joints : en
  • CA450668A - Method and apparatus for mixing, rendering plastic and reducing pulverulent materials : en fr
  • US2447750A - Derivative of the adduct of levopimaric acid and maleic anhydride and method of preparation thereof : en
  • US2447774A - Thimble : en
  • US2448006A - Radio direction finder : en
  • FR937770A - Improvements to ballast inductors for fluorescent lamps, and the like : en fr
  • GB607079A - Improved arrangement for supplying a sawtooth current to the deflecting coils of a cathode-ray tube : en
  • US2448001A - Lighting fixture : en
  • GB607148A - Improvements in or relating to door and like catches : en
  • FR937749A - Ice cream scoop : en fr
  • GB607215A - Improvements in or relating to fairleads : en
  • FR937808A - Lubricating oil composition : en fr
  • AU141287B2 - Safety aerial toy : en
  • AU2187448A - Improvements in or relating to electric condensers : en
  • FR937792A - Method of using electric tractors and apparatus for carrying out the method : en fr
  • AU129964B2 - High-frequency pulse generator : en
  • US2447515A - Wheel cover : en
  • US2447615A - Chemical composition : en
  • USD150684S - Design for a tilt-back chair : en
  • USD150706S - Design for a brooch or similar article : en
  • CA450645A - Moulding process and apparatus : en fr
  • AU2148848A - Improvements in or relating toa gauging apparatus : en
  • AU145624B2 - Overvoltage protection arrangements for telecommunication systems : en
  • US2447940A - Waterproof foldable handbag for baby accessories : en
  • US2447852A - Bearing structure : en
  • AU134487B2 - Improvements in radio direction finding : en
  • CA450649A - Stocking drying form : en fr
  • CA450736A - Manufacture of metallic magnesium : en fr
  • AU138386B2 - Wide angle sprinkler head for enabling : en
  • CA450641A - Carpet construction : en fr
  • FR937816A - Industrial process for printing tanned leathers by photographic transport : en fr
  • FR937652A - Waterproof housing : en fr
  • AU143487B2 - Improvements in and relating to drills : en
  • GB607037A - Improvements in or relating to gas blast electric circuit breakers : en
  • CA450763A - Power transmission : en fr
  • GB607309A - Improvements in and relating to the production of sterols and their addition products from sterol-containing starting materials : en
  • AU141929B2 - Improvements in or relating to electric condensers : en
  • USD150716S - Design for a hang-type smoker s pipe : en
  • GB606943A - Improved process for the production of dyed mixed yarns : en
  • GB606941A - Improvements in or relating to truck for a rail type vehicle : en
  • AU2488445A - Wave-signal transmission line : en
  • DK67463C - Electron beam tubes with cylindrical, telescopically interlocking electrodes. : da en
  • CA450656A - Induction heated device : en fr
  • GB606908A - A process for the separation of sugar from molasses : en
  • GB607189A - Improvements relating to liquid fuel supply systems : en
  • FR937614A - Tanning process : en fr
  • GB607111A - Improvements in and relating to accelerators for the vulcanisation of natural and synthetic rubber : en
  • US2447613A - Wire coil conveyer belt : en
  • GB607015A - Device for indicating the positions of wiper arms, especially in telephone selectors : en
  • US2447539A - Treatment of wool : en
  • US2447790A - Birefringent solid film comprising intimate mixture of minute particles of isophthalic acid and terephthalic acid and method of manufacture : en
  • FR937769A - Improvements to electrical junction boxes : en fr
  • FR937791A - Wheel brake more particularly applicable to aircraft landing wheels : en fr
  • GB606952A - Improvements in or relating to tables : en
  • GB607296A - Improvements in or relating to the manufacture of carbon black : en
  • AU149749B2 - Bathing suit : en
  • FR937741A - Method of twisting metal bars : en fr
  • US2447582A - Caster construction : en
  • US2447532A - Treatment of pigment comprising calcium carbonate : en
  • US2447908A - Folding clothes rack for automobiles : en
  • FR937619A - Advanced dial that can be adapted to all measuring devices : en fr
  • GB607016A - Improvements in street bollards : en
  • FR937834A - Stabilization of photosensitive emulsions : en fr
  • GB607224A - Improvements in and relating to pressure-sensitive adhesives : en
  • US2447782A - Ignition system : en
  • US2447842A - Back-pressure check valve : en
  • FR937632A - Pipe clip : en fr
  • GB607208A - Improvements in or relating to frame structure for an ironing machine : en
  • GB606937A - Improvements in and relating to an apparatus for producing metal band bindings : en
  • GB607101A - Improvements in felt hardening machine : en
  • USD150727S - Design fob a gas heater : en
  • GB607223A - Improvements in the construction of illuminated kerbs : en
  • FR937691A - Method for generating or influencing an alternating current : en fr
  • DK67472C - Collection Device for Use in Picking Fruit. : da en
  • US2447547A - Electrolytic alkali chlorine cell : en
  • US2447495A - Register switch utilizing a plurality of discharge tubes : en
  • CA450706A - Thermostat : en fr
  • FR937787A - Electric lamp : en fr
  • GB607165A - Device for protecting periodically actuated contact devices, especially moving contact electric current converters, against reverse currents : en
  • US2447700A - Sled : en
  • US2447652A - Circuit breaker : en
  • FR937825A - Improvements to rotary machines for energy transformation : en fr
  • US2447498A - Electrical fixture or the like : en
  • FR937710A - Universal machine tool : en fr
  • FR937757A - Device allowing the projection of opaque images and objects : en fr
  • GB607131A - Decorative article and method of making same : en
  • FR937731A - Gas collection device for open electrolysis furnaces : en fr
  • US2447481A - Method of synthesizing aliphatic mercaptans and sulfides : en
  • US2447607A - Lubricant : en
  • US2447497A - Block entrance initiated train signaling system : en
  • US2447960A - Muffler remover : en
  • GB607179A - Improvements in or relating to synchro-mesh gearing : en
  • AU2206248A - Airplane fuel servicing unit : en
  • FR937729A - Sophisticated sanitary equipment particularly intended for the preparation and taking of baths with a high carbon dioxide content : en fr
  • GB607197A - Improvements in or relating to fluid control means : en
  • GR11780B - INDIVIDUAL ACOUSTIC MOUTHS. : el en
  • US2447907A - Ironing-board attachment : en
  • CA450631A - Filter : en fr
  • CA450648A - Beamer : en fr
  • AU2215148A - Improvements in and relating tothe heat treatment of metal strip or wire : en
  • CA450778A - Doll-head bearing : en fr
  • US2447836A - Precision images and methods of producing them : en
  • AU2404745A - Improvements in cathode structures for magnetrons : en
  • AU149123B2 - Highspeed arc welding : en
  • AU131454B2 - Relaxation keyer : en
  • CA450643A - Buffing stand : en fr
  • GB607099A - Improvements in electric dry batteries : en
  • GB607301A - Improvements in heat exchangers : en
  • GB606995A - Improvements in or relating to electrically driven vehicles : en
  • GB607308A - Driving belts for grooved pulleys : en
  • US2447961A - Rotary blower, compressor, and exhauster : en
  • CA450632A - Priming device : en fr
  • FR937775A - Gas turbines : en fr
  • US2447703A - Means for molding ends of concrete pipes : en
  • FR937817A - Shoeing and lace cutting machine in a single operation : en fr
  • US2447821A - Process for making nitroalkylcyclic amines : en
  • US2447939A - Adjustable mute : en
  • AU130132B2 - Improvement invariable reactive microwave device : en
  • CA450639A - Cylinder machine : en fr
  • CA450730A - Rim : en fr
  • CA16413S - A bath or basin : en
  • US2447517A - Electrical analyzer for 45 u deg. strain rosette data : en
  • AU129472B2 - Improvements in cathode structures for magnetrons : en
  • US2447671A - High-speed bearing : en
  • US2447718A - Rotary switch : en
  • US2447919A - Adjustable support : en
  • AU2206648A - Corn popping machines : en
  • US2447482A - Turbine apparatus : en
  • US2447492A - Timing modulation : en
  • US2447697A - Radiator connection hose : en
  • CA450696A - Switch construction : en fr
  • GB606919A - Improvements in or relating to agricultural implements : en
  • US2447855A - Cap die : en
  • FR937639A - Process for preparing dry rubber from latex : en fr
  • FR937692A - Improvements in the electrolytic treatment of aluminum and similar metals : en fr
  • FR937640A - Device giving intermittent rotational movement : en fr
  • GB607193A - Improvements in photographic copying and reproducing apparatus : en
  • CA450665A - Abrasive wheel casing : en fr
  • FR937848A - Power generating station including gas turbines : en fr
  • AU129775B2 - Signal-translating system : en
  • US2447650A - Pump mechanism : en
  • US2447694A - Ceiling and wall construction : en
  • US2447760A - Self-service display and storage case : en
  • US2447848A - Cleaning and centrifuging apparatus : en
  • US2447886A - Power hammer : en
  • AU143302B2 - Process for manufacturing cast iron on basic slags : en
  • US2447620A - Method of forming molds : en
  • AU136840B2 - Improvements in and relating to transaction count recording means for race totalisator adding units : en
  • US2447835A - Rocking inner-jaw end wrench : en
  • GB606945A - Improvements in or relating to vehicle bodies : en
  • GB607247A - Improvements in or relating to repeaters for submarine electric cables : en
  • AU2398845A - Improvements in folding chairs : en
  • DK67461C - Method of Manufacturing Resistance Elements. : da en
  • AU156446A - High-frequency pulse generator : en
  • AU1476647A - Improvements in and relating to transaction count recording means for race totalisator adding units : en
  • US2447614A - Clothes pole : en
  • US2447725A - Method of making silicate plastics : en
  • US2447932A - Centerimeter : en
  • CA450692A - Glass tube reshaping method and apparatus : en fr
  • CA450633A - Strainer for cellar drains : en fr
  • GB606948A - Improvements in or relating to magnesium and magnesium base alloy castings : en
  • US2447810A - Resinous material containing maleodinitrile : en
  • USD150707S - Design for an earring or similar article : en
  • FR937748A - Improvements to pumping devices : en fr
  • US2447546A - Automatic shutoff apparatus for oil wells : en
  • US2447533A - Automatic toll ticketing system : en
  • CA450664A - Hoisting apparatus : en fr
  • AU2152748A - Welding electrode forcast iron : en
  • CA450678A - Atomizer : en fr
  • CA450703A - Stabilizer for control apparatus : en fr
  • CA450753A - Preparation of arylsulphonylthioureas : en fr
  • US2447865A - Extensible plank or the like : en
  • US2447868A - Ink agitator : en
  • USD150683S - Design for a chair : en
  • USD150732S - Design fob a kiddie cab : en
  • CA450630A - Oil and water separator : en fr
  • AU144010B2 - Improvements in and relating tothe heat treatment of metal strip or wire : en
  • CA16398S - Door molding : en
  • FR937844A - Dental prosthesis tower : en fr
  • GB607023A - Improvements in or relating to radio beacon transmitters : en
  • GB607204A - Improved process of obtaining aliphatic sulphonic acids : en
  • CA450709A - Brake and like apparatus : en fr
  • DK67462C - Indirectly heated cathode and coupling with such a cathode. : da en
  • US2447987A - Lubricating means for sewingmachine loop takers : en
  • USD150681S - Design for a photographic enlarger : en
  • CA450701A - Washing apparatus having water softening mechanism controlled therewith : en fr
  • CA450712A - Copper base alloy : en fr
  • AU145591B2 - A method of sterilizing and packaging material employing expoxides, and the product of such method : en
  • US2447726A - Lecithin composition : en
  • US2447951A - Glove : en
  • CA450767A - Heat responsive communication signal repeater : en fr
  • US2447500A - Tank type suction cleaner : en
  • US2447701A - Radio signaling circuit : en
  • US2447757A - Process for treating cellulose ethers to improve their dissolving properties : en
  • US2447994A - Spinneret : en
  • CA450694A - Filament storage apparatus : en fr
  • AU2206448A - Improvements in microwave scanning systems : en
  • GB607270A - Improvements in or relating to ornamental cards such as greeting cards : en
  • AU2211748A - Improvements in or relating to ceramic dielectrics comprising essentially titania : en
  • FR937618A - Improvements to current generators h. f. : en fr
  • FR937688A - Vacuum metal casting : en fr
  • GB607109A - Improvements in or relating to kegs, pails, and other like containers : en
  • US2447654A - Torque control system for electric reel motors : en
  • US2447682A - Chuck : en
  • AU129190B2 - Improvement in electrical networks for phase shifters : en
  • GB606925A - Improvements in or relating to flexible tubes : en
  • US2447784A - Apparatus for creping paper : en
  • FR937756A - Improvements to gas-heated appliances for drying and ventilating towels, linen and other items : en fr
  • GB607306A - Improvements in or relating to sawtooth generators : en
  • US2447730A - Gear shifting mechanism : en
  • CA450735A - Weatherproof transmitter device : en fr
  • CA450629A - Race game : en fr
  • US2447787A - Combination cigarette and match case : en
  • FR937824A - Improvements made to protective coatings for metallic or other surfaces and to the preparation and application processes of these coatings : en fr
  • US2447734A - Field control for transformer torquemeter signal coils : en
  • US2447826A - Poultry nest : en
  • USD150696S - Design fob a finger-shaped thimble : en
  • US2447923A - Lighting system and lighting units for use therein : en
  • US2447617A - Rotary cutter : en
  • US2447765A - Engine starter drive : en
  • GB607183A - A control system for polyphase a.c. commutator motors with speed regulation by meansof brush shifting : en
  • GB607161A - Improvements in or relating to means for inflating vehicle tyres : en
  • DK67453C - Procedure and Apparatus for Aerating Herb, which is circulated during fermentation. : da en
  • GB606884A - Improvements in or relating to retaining devices for rods, wires, electric cables orthe like : en
  • CA450691A - Double throw switch : en fr
  • CA450724A - Artificial dispersions of rubber : en fr
  • GB606996A - Improvements in, or relating to, the manufacture or production of steel, or alloy steel strip : en
  • US2447772A - Aqueous dispersions of butadiene polymers and treatment of wool therewith : en
  • US2447916A - Building wall : en
  • US2447945A - Mooring gear for flying boats : en
  • US2447838A - Unit handled double row roller bearing : en
  • DK67458C - Inserting device for Typewriters. : da en
  • DK67473C - Air filter, in particular for combustion engines. : da en
  • US2447589A - Rivet stem puller and cutter : en
  • US2447674A - Circuit interrupter : en
  • AU128724B2 - Improvements in folding chairs : en
  • AU2212348A - Improvements in or relating to cavity resonators and circuitarrangements ofthe kind comprising sucha cavity resonator : en
  • AU143770B2 - Welding electrode forcast iron : en
  • US2447881A - Universal joint : en
  • US2447957A - Seal for fans : en
  • CA450733A - Vehicle for steam-set printing inks : en fr
  • US2447483A - Additives for silicone oils : en
  • GB607127A - A new or improved hydraulic system for unloading large capacity pumps : en
  • US2447553A - Stop motion mechanism : en
  • GB606938A - Improvements relating to shutters : en
  • GB607058A - Improvements in or relating to electrical space discharge tubes : en
  • US2447901A - Heating system : en
  • US2447538A - Woolen treatment and products therefor : en
  • US2447709A - Deceleration control apparatus : en
  • US2447853A - Oil pump : en
  • FR937838A - Radio direction finding systems : en fr
  • DK67483C - Axle suspension for Motor Vehicles. : da en
  • US2447778A - Multiload range weighing system for materials testing machines : en
  • GB607073A - Improvements relating to holders for welding electrodes : en
  • FR937806A - Improvements relating to conveyors or conveyors : en fr
  • FR937607A - Device for preventing theft of motor vehicles : en fr
  • GB607029A - Improvements in or relating to means for tuning wireless sets : en
  • GB607182A - Improvements in vehicle closures : en
  • US2447568A - Machine for forming bottoms on glass tubes : en
  • US2447661A - Electron tube impulse generator : en
  • US2447586A - Compression testing and like apparatus : en
  • GB607219A - Manufacture of sulphuric acid leuco esters of anthraquinone azo-dyestuffs : en
  • US2447905A - Rotatable rubber heel : en
  • GB607022A - Improvements in and relating to polysiloxane resin enamels : en
  • GB606935A - Improvements in the construction of thick walled high pressure vessels : en
  • GB607221A - Improvements in cabinets for television receivers, or the like : en
  • DK67467C - Process for refining artificial threads produced by melt spinning, in particular from polyamides. : da en
  • US2447887A - Printing press frame : en
  • US2447575A - Apparatus for aerating granular material : en
  • US2447846A - Car door : en
  • GB607222A - Manufacture and use of new phenoxyethyl-ammonium compounds : en
  • GB606899A - Improvements in limit stop apparatus for controlling a controlled body : en
  • GB606905A - Improvements relating to combined screws and washers : en
  • GB607130A - Process for obtaining acetals having a high degree of purity : en
  • US2447636A - Pump : en
  • US2447958A - Variable pitch v-type pulley : en
  • AU2198248A - Overvoltage protection arrangements for telecommunication systems : en
  • GB606892A - Improvements in explosive compositions : en
  • GB607229A - Improvements in or relating to the removal of dust generated by machines for cuttingtile and like workpieces : en
  • FR937801A - Improvements to processes and machines for knitting on straight looms of fabrics suitable, in particular, for the manufacture of stockings : en fr
  • FR937830A - Improvements in methods and apparatus for carrying out the liquid treatment of porous packages or cakes of threads or filaments, in artificial materials, such as artificial silk : en fr
  • US2447712A - Cushioning device : en
  • GB606982A - Improvements in and relating to fastenings : en
  • USD150692S - Design foe an airplane : en
  • US2447557A - Collapsible perambulator or push chair : en
  • US2447704A - Adjustable shelving construction : en
  • US2447825A - Pressure fluid servomotor : en
  • FR937832A - Advanced spark plug for low voltage : en fr
  • GB606932A - Improvements in or relating to thermo-sensitive resistance elements : en
  • FR937783A - Improvements to electrical reactance measuring devices : en fr
  • GB606972A - Improvements in the moulding of keys for typewriters or calculating machines from thermoplastic material, having inlays of different colour from the surface of the articles : en
  • US2447643A - Ship propulsion control : en
  • US2447966A - Expandible fluid actuated pipecleaning apparatus : en
  • FR937634A - Lock for lock gates : en fr
  • US2447677A - Heavy-duty shipping carton : en
  • US2447680A - Filtering system : en
  • US2447735A - Blouse : en
  • US2447689A - Pressure indicator for pneumatic tires : en
  • US2447507A - Balancing circuit : en
  • CA450711A - Construction of composite metal article : en fr
  • USD150676S - Design fob a combined illuminable clock, telephone stand, and calen- dar : en
  • GB606883A - Improvements in or relating to packages for carbon paper : en
  • US2447512A - Heel attaching : en
  • CA450713A - Coupling for porcelain cooling coils : en fr
  • CA450781A - Can sealing device : en fr
  • FR937635A - Apparatus for measuring the power developed by any generator of mechanical energy, in particular a hydraulic brake : en fr
  • FR937636A - Soap Protector-Saver : en fr
  • GB607206A - Improvements in liquid dispensing apparatus : en
  • GB607156A - Improvements in or relating to toy-or miniature vehicles : en
  • DK67476C - Stepless Gear Mechanism. : da en
  • FR937813A - Improvements to gear changes : en fr
  • FR937681A - Improvements to air cleaners for internal combustion engines : en fr
  • GB607006A - Improvements in or relating to the cooling of liquids in receptacles, particularly applicable to the cooling of milk in churns : en