The patent was signed by President James Madison. Kies’ technique proved valuable in making cost-effective work bonnets. The first lady Dolly Madison was so pleased…
Tag: TDIPH
This Day in Patent History - On May 4, 1943, aviation pioneer Igor Sikorsky received a patent for helicopter controls
On May 4, 2016, aviation pioneer Igor Sikorsky received a patent for helicopter controls. He was born in Russia. He immigrated to the United States…
This Day in Patent History - On March 27, 1935, Henri Selmer filed a patent for an improved saxophone
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.…
This Day in Patent History - On March 26, 1895, Charles Jenkins patented a motion picture projector named "Phantoscope"
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…
This Day in Patent History - On March 25, 1902, Irving W Colburn patented the sheet glass drawing machine, making the mass production of glass for windows possible
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…
This Day in Patent History - On March 24, 1891, Toothpick was patented by Charles C. Freeman
On March 24, 1891, Toothpick was patented by Charles C. Freeman. The toothpick is the oldest instrument for dental cleaning. It is known to predate…
This Day in Patent History - March 23 is celebrated as Family Day in South Africa, and in some regions of Canada, US, Vietnam, Australia and Thailand
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…
This Day in Patent History - On March 22, 1960, Schawlow and Townes were issued a patent for the laser
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.…
This Day in Patent History - On March 21, 1861, Constitution of the Confederate States of America established a Patent Office
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…