On Aug. 13, 1889 William Gray of Hartford, Connecticut, received a patent for a coin-operated telephone. Soon he formed the Gray Telephone Pay Station Company…
On August 12, 1851, Isaac M. Singer was granted a patent for the first practical and efficient sewing machine. His sewing machine was revolutionary, having…
On August 9, 1898, Rudolf Diesel was granted patent #608,845 for an “internal combustion engine” which was named after him “the Diesel engine”. There was…
Following patent discloses another method for converting 2D video to 3D video. This patent has been filed by Legend3D, Inc., a virtual reality, 3D visual…
Bell Laboratories demonstrated the first transistor on December 23, 1947.The scientific team at Bell Laboratories responsible for the solid-state amplifier included William Shockley, Walter Houser…
Coolidge was one of the most important innovators of the 20th century in his field. Coolidge developed the ductile tungsten filament used in lightbulbs, fluorescent…
