ThisDayInHistory Archives - Page 21 of 29

On November 22, 1904, design patent for the Congressional Medal of Honor was granted to George Gillespie. …

On November 20, 1923, a patent was granted to Garrett Morgan for a traffic signal. He is one of the first inventors of traffic signals…

On November 18, 1895, William H. Fauber filed for bicycle crank shaft. “Fauber Crank Shaft” was widely used across the world. …

On November 17, 1891, Emile Berliner was issued a patent for a combined telegraph and telephone. …

On November 16, 1939, patent was issued for air conditioner for vehicles. …

Patent Information Publication number: US359748 A Patent Title: Dynamo-electric machine Publication…

On Nov 15, 1904, King Gillette patented thin razors that are used till date. Before this patent, thick razors were used and users had to…

Insect balls to attract insects away from your face. Patent Information…