U.S. Patent Office
Wednesday, March 15, 2023
On March 15, 1892, the American inventor and engineer ....
Thursday, February 16, 2023
On this date, February 16, in 1937, E.I. du Pont de Nemours & Co. was granted U.S. patent ...
Tuesday, November 22, 2022
Today's #TechTuesday post features Mary Elizabeth Hallock Greenewalt
Thursday, October 27, 2022
On this date, October 27, in 1873, the farmer and inventor Joseph Farwell Glidden (1813-1906) filed a patent for an "improvement in wire-fences" ...
Monday, September 19, 2022
On this date, September 19, in 1876 ....
Wednesday, August 31, 2022
On this date, August 31, in 1836 ...
Wednesday, August 24, 2022
On this date, August 24, in 1869 ....
Tuesday, August 2, 2022
Nailed it! On this date, August 2, in 1791 ...
Thursday, July 14, 2022
We're posting this 1930 catalog for bedroom furniture today on account of Sarah Elisabeth Goode ...
Tuesday, May 24, 2022
On this date, May 24, in 1938 ....
Thursday, February 10, 2022
The first U.S. patent on a fire extinguishing system for buildings was granted on this date ...
Tuesday, December 21, 2021
Your patent history fact of the day today is a little less auspicious than our usual fare, but perhaps a bit tastier ..
Thursday, December 16, 2021
The first U.S. patent for an automatic liquid vending machine ...
Monday, November 29, 2021
The first U.S. patent for a traffic signal was issued on this date ...
Thursday, August 12, 2021
On this date, August 12, in 1851 ....
Thursday, May 20, 2021
On this date in 1873, Levi Strauss (1829-1902) and Jacob W. Davis (1831–1908) made fashion history ...
Tuesday, December 1, 2020