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 photographic films having for their object the…
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 invention relates to new and useful improvements in gun…
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 improvements in flying boats or hydroaeroplanes…
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 the invention is to provide a simple,…
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. 3,003,388. It is a primary object of the invention to…
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 for steeping hops. In a steeping-tank for…
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 improve methods of photography and to provide…
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 improvements in apparatus for treating coffee and…
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 process for removing ethylene from admixture with…
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 system of electric lighting for ordinary and domestic…
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 interferometers and other measurement apparatus (for…
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 used heretofore in the production of aluminum…