Patent of the Day: Air Purifier
On this day in 1939 George Bernhardt Gelakoski was granted the patent for AIR PURIFIER. U.S. Patent No. 2,176,174. An important object of the…
Patent of the Day: Photographic Film
On this day in 1884 George Eastman was granted the patent for PHOTOGRAPHIC FILM. U.S. Patent No. 306,594. This invention relates to an improvement in…
Patent of the Day: Gun Carriage Attachment for Vehicle Dash Panels
On this day in 1953 John W. Riley was granted the patent for GUN CARRIAGE ATTACHMENT FOR VEHICLE DASH PANEL. U.S. Patent No. 2,655,298. This…
Patent of the Day: Hydroaeroplane
On this day in 1915 Robert C. Edwards was granted the patent for HYDROAEROPLANE. U.S. Patent No. 1,156,218. This invention relates to new and useful…
Patent of the Day: Vaporizing Burner for Hydrocarbon Fuels
On this day in 1921 Meinhard H. Kotzebue was granted the patent for VAPORIZING BURNER FOR HYDROCARBON FUELS. U.S. Patent No. 1,393,547. The object of…
Patent of the Day: Color Difference Measuring Instrument
On this day in 1961 Richard S. Hunter and Clyde A. Lofland were granted the patent for COLOR DIFFERENCE MEASURING INSTRUMENT. U.S. Patent No.…
Patent of the Day: Steeping Tank for Breweries
On this day in 1890 Jacob F. Theurer was granted the patent for STEEPING TANK FOR BREWERIES. U.S. Patent No. 437,910. This invention relates to tanks…
Patent of the Day: Electrophotography
On this day in 1942 Chester F. Carlson was granted to the patent for ELECTROPHOTOGRAPHY. U.S. Patent No. 2,297,691. An object of the invention is to…
Patent of the Day: Apparatus for Roasting Coffee
On this day in 1897 Beeston Tupholme was granted the patent for APPARATUS FOR ROASTING COFFEE. U.S. Patent No. 591,307. This invention relates to…
Patent of the Day: Treatment of Hydrocarbon
On this day in 1949 Phillip M. Arnold was granted the patent for TREATMENT OF HYDROCARBONS. U.S. Patent No. 2,483,869. This invention relates to a…
Patent of the Day: Electric Lamp and Holder for the Same
On this day in 1882 Thomas Edison was granted the patent for ELECTRIC LAMP AND HOLDER FOR THE SAME. U.S. Patent No. 265,311. In order to adopt a…
Patent of the Day: Interferometer
On this day in 1952 André Henri Mirau was granted the patent for INTERFEROMETER. U.S. Patent No. 2,612,074. The present invention relates to…
Patent of the Day: Precipitation of Aluminum Hydroxide
On this day in 1953 Ralph W. Brown was granted the patent for PRECIPITATION OF ALUMINUM HYDROXIDE. U.S. Patent No. 2,653,858. The principal method…
Patent of the Day: Electric Measuring Instrument
On this day in 1897 Elihu Thomson was granted the patent for ELECTRIC MEASURING INSTRUMENT. U.S. Patent No. 590,654. This invention relates to…
Patent of the Day: Method of Projecting Imitations of the Aurora Borealis
On this day in 1904 Joseph Menchen was granted the patent for METHOD OF PROJECTING IMITATIONS OF THE AURORA BOREALIS. U.S. Patent No. 770,766. This…
Patent of the Day: Process of Producing Fried Chicken Under Pressure
On this day in 1962 Harlan Sanders, also known as Colonel Sanders, filed the patent for PROCESS OF PRODUCING FRIED CHICKEN UNDER PRESSURE for…
Patent of the Day: Hydroscope
On this day in 1907 Guiseppe Pino was granted the patent for HYDROSCOPE. U.S. Patent No. 849,570. This invention has for its object a hydroscope for…
Patent of the Day: Self-Strutted Geodesic Plydome
On this day in 1959 Richard Buckminster Fuller was granted the patent for SELF-STRUTTED GEODESIC PLYDOME. U.S. Patent No. 2,905,113. This invention…
Patent of the Day: Tire Carrier
On this day in 1926 John I. Muicy was granted the patent for TIRE CARRIER. U.S. Patent No. 1,600,480. This invention relates to the means for…
Patent of the Day: Corn Husking Machine
On this day in 1904 Joseph D. Hidy was granted the patent for CORN HUSKING MACHINE. U.S. Patent No. 770,639. One object of the present invention is…