Patent of the Day: Metallic Conduit for Electric Wires
On this day in 1899 Edwin T. Greenfield was granted the patent for Metallic Conduit for Electric Wires. U.S. Patent No. 630,501. As heretofore used…
Patent of the Day: Hair Singer
On this day in 1890 James H. Bevington was granted the patent for Hair Singer. U.S. Patent No. 433,439. This invention relates to a device for…
Patent of the Day: Safety Device for Railway Vehicles in Case of Derailment
On this day in 1903 Friedrich Gehricke and Friedrich Bollmann were granted the patent for Safety Device for Railway Vehicles in Case of Derailment.…
Patent of the Day: Bullet Proof Armor
On this day in 1920 Guy Otis Brewster was granted the patent for Bullet Proof Armor. U.S. Patent No. 1,348,204. The object of the invention is to…
Patent of the Day: Leather Measuring Machine
On this day in 1898 Albert Ayer was granted the patent for Leather Measuring Machine. U.S. Patent No. 608,538. This machine is constructed to measure…
Patent of the Day: Custom Fittable Mouth Protector
On this day in 1967 Jack Cathcart was granted the patent for Custom Fittable Mouth Protector. U.S. Patent No. 3,333,582. This invention relates to…
Patent of the Day: Apparatus for Automatically Photographing Persons Moving Along a Confined Way
On this day in 1914 Burrell Cannon was granted the patent application for Apparatus for Automatically Photographing Persons Moving Along a Confined…
Patent of the Day: Combined Bed Sheet and Shelter Tent
On this day in 1909 Frederic Whitney was granted the patent for Combined Bed Sheet and Shelter Tent. U.S. Patent No. 929,357. The object of this…
Patent of the Day: Pedometer
On this day in 1904 Wilson E. Porter was granted the patent for Pedometer. U.S. Patent No. 765,992. This invention relates to pedometers or devices…
Patent of the Day: Machine Gun
On this day in 1893 Richard Gatling was granted the patent for Machine Gun. U.S. Patent No. 502,185. The invention relates to the class of machine…
Patent of the Day: Shoe (Salvatore Ferragamo)
On this day in 1952 Salvatore Ferragamo was grated the design patent application for Shoe. U.S. Patent No. Des. 170,015.
Patent of the Day: Floor Polisher
On this day in 1920 Eugene Snyder was granted the patent application for Floor-Polisher. U.S. Patent No. 1,346,918. This invention relates to floor…
Patent of the Day: Truck Concrete Mixer
On this day in 1932 Gebhard Jaeger was granted the patent for Truck Concrete Mixer. U.S. Patent No. 1,867,838. One object of the invention is more…
Patent of the Day: Drafting Table
On this day in 1905 George Ring was granted the patent for Drafting Table. U.S. Patent No. 795,065. This invention provides a flat-topped table of…
Patent of the Day: Shampoo Cap
On this day in 1947 Dorothy Vincelle was granted the patent for Shampoo Cap. U.S. Patent No. 2,424,129. This invention relates to a massage cap for…
Patent of the Day: Centrifugal Winnowing Apparatus
On this day in 1891 Olof Sundgren was granted the patent for Centrifugal Winnowing Apparatus. U.S. Patent No. 455,977. The separation of particles of…
Patent of the Day: Automatic Navigational Director
On this day in 1948 Robert E. Jasperson was granted the patent for Automatic Navigational Director. U.S. Patent No. 2,444,933. This invention…
Patent of the Day: Aerodrome
On this day in 1911 James Travis was granted the patent for Aerodrome. U.S. Patent No. 997,521. One object of this invention is to provide elevating…
Patent of the Day: Portable Hydraulic Press
On this day in 1851 Richard Dudgeon was granted the patent for Portable Hydraulic Press. U.S. Patent No. 8,203. This press is to the eye a simple…
Patent of the Day: Rocket Apparatus
On this day in 1914 Robert H. Goddard was granted the patent for Rocket Apparatus. U.S. Patent No. 1,102,653. This invention relates to a rocket…