This Day in Patent History - On November 21, 1854, Issac Von Bunschoten patented a rosin-oil lamp On November 21, 1854, Issac Von Bunschoten patented a rosin-oil lamp. …
This Day in Patent History - On November 22, 1904, design patent for the Congressional Medal of Honor was granted to George Gillespie On November 22, 1904, design patent for the Congressional Medal of Honor was granted to George Gillespie. …
This Day in Patent History - On November 20, 1923, a patent was granted to Garrett Morgan for a traffic signal 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…
This Day in Patent History - On November 19, 1901, Granville Woods was issued a patent for a third rail to operate electrified railways On November 19, 1901, Granville Woods was issued a patent for a third rail to operate electrified railways. …
Interesting fact about patents - It is not confirmed who invented the fire hydrant, because its patent perished in a fire at the patent office It is not confirmed who invented the fire hydrant, because its patent perished in a fire at the patent office.
This Day in Patent History - On November 18, 1895, William H. Fauber filed for bicycle crank shaft On November 18, 1895, William H. Fauber filed for bicycle crank shaft. “Fauber Crank Shaft” was widely used across the world. …
This Day in Patent History – On November 17, 1891, Emile Berliner was issued a patent for a combined telegraph and telephone On November 17, 1891, Emile Berliner was issued a patent for a combined telegraph and telephone. …
This Day in Patent History – On November 16, 1939, patent was issued for air conditioner for vehicles On November 16, 1939, patent was issued for air conditioner for vehicles. …
