On March 27, 1935, Henri Selmer filed a patent for an improved saxophone. Henri SELMER is a Paris-based international family-owned enterprise, manufacturer of musical instruments.…
On March 26, 1895, Charles Jenkins patented a motion picture projector named “Phantoscope”. Charles started experimenting with movie film in 1891, and eventually quit his…
On March 25, 1902, Irving W Colburn patented the sheet glass drawing machine, making the mass production of glass for windows possible. Colburn developed a…
March 23 is celebrated as Family Day in South Africa, and in some regions of Canada, US, Vietnam, Australia and Thailand. This patent application provides…
ESO Very Large Telescope (VLT) atop Cerro Paranal, a 2600-metre high mountain, located some 120 km south from Antofagasta, in the Atacama Desert of Chile.…
Critical Features disclosed in this patent 1. Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; 2. Ordinary forms of…
On March 21, 1861, Constitution of the Confederate States of America established a Patent Office. The Confederate Patent Office was the agency of the Confederate…
