On February 23, 1897, Nikola Tesla received a patent for electrical condensers and coils. The features of the patent: 1. Improvements of condensers, transformers, self-induction…
Category: This Day in Patent History
Ernst Alexanderson received a patent for a selective tuning device for radios that became an integral part of modern radio systems
On February 22, 1916, Ernst Alexanderson received a patent for a selective tuning device for radios that became an integral part of modern radio systems…
This Day in Patent History - On February 20, 1872, Luther Crowell patented a machine that manufactured the square-bottom paper grocery bags
On February 20, 1872, Luther Crowell patented a machine that manufactured the square-bottom paper grocery bags. The square-bottom paper grocery bag has been around well…
This Day in Patent History - On February 19, 1878, Thomas Edison received a patent for the phonograph
On February 19, 1878, Thomas Edison received a patent for the phonograph. The photo shows Thomas Edison with his patented phonograph.The device could mechanically record…
This Day in Patent History - On February 21, 1865 John Deere (blacksmith) received a patent for plow
On February 21, 1865 John Deere (blacksmith) received a patent for ploughs. He founded Deere & Company in 1837, which still is a major player…
This Day in Patent History - This antique Combined Wrench & Thread Cutter available for sale on eBay was patented on 17 Feb 1903
This antique Combined Wrench & Thread Cutter available for sale on eBay was patented on 17 Feb 1903. You can still read the patent number…
This Day In Patent History - On February 18, 1879 Auguste Bartholdi was granted a design patent for the Statue of Liberty
On February 18, 1879 Auguste Bartholdi was granted a design patent for the Statue of Liberty. Frédéric Auguste Bartholdi was a French sculptor. The work…
This Day in Patent History - On February 16, 1932, James Markham received the first fruit tree patent for a peach tree
Patent Information Publication number: USPP7 P Patent Title: Missottbi Publication type: Grant Publication date: 16 Feb 1932 Filing date: 6 Sep 1930 Inventors: James E.…
This Day In Patent History - On February 15, 1870, Jules Touaillon patented first isolation system for protecting buildings against earthquakes
On February 15, 1870, Jules Touaillon patented first isolation system for protecting buildings against earthquakes. Patent Information Publication number: US99973 A Patent Title: Improvement in…
This Day in Patent History - On February 14, 1854 Horace Smith and Daniel Wesson patented the first repeating rifle
On February 14, 1854 Horace Smith and Daniel Wesson patented the first repeating rifle. A repeating rifle is a single barreled rifle containing multiple rounds…