On November 21, 1854, Issac Von Bunschoten patented a rosin-oil lamp. …
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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 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. …
This Day in Patent History - On Nov 15, 1904, King Gillette patented thin razors that are used till date
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…
This Day in Patent History - On November 14, 1854, Dr. Alpheus Myers patented a tapeworm trap that helped in fishing out tapeworms from the human stomach and intestines
On November 14, 1854, Dr. Alpheus Myers patented a tapeworm trap that helped in fishing out tapeworms from the human stomach and intestines. …
This Day in Patent History - On November 13, 1990, David S. Zamierowski patented a novel wound dressing which evacuated the drained fluids from the wound and provided liquid medications
On November 13, 1990, David S. Zamierowski patented a novel wound dressing which evacuated the drained fluids from the wound and provided liquid medications. …
This Day in Patent History - On November 12, 1957, first razor blade counter was patented
On November 12, 1957, first razor blade counter was patented. …