Year:
This Day in Patent History - On December 1, 1914, Nikola Tesla patented an apparatus for transmitting electrical energy
On December 1, 1914, Nikola Tesla patented an apparatus for transmitting electrical energy. …
Nikola Tesla Patent#9 - Electro-magnetic motor - US 381969
Patent Information Publication number: US381969 A Patent Title: Electro-magnetic motor Publication…
This Day in Patent History - On November 30, 1858, John Mason patented the screw neck bottle called the Mason Jar
On November 30, 1858, John Mason patented the screw neck bottle called the Mason Jar …
Sunday Funday – This patented wind-harnessing bike uses a sail attached to its back wheel to move forward
This patented wind-harnessing bike uses a sail attached to its back wheel to move forward. …
This Day in Patent History - On November 29, 1881, Francis Blake was granted a patent for the speaking phone
On November 29, 1881, Francis Blake was granted a patent for the speaking phone. Blake was elected a member of the American Antiquarian Society in…
Celebrity Patent - Hedy Lamarr, an American film actor, patented a ""Secret Communications System" to help combat the Nazis in World War II
Hedy Lamarr, an American film actor, patented a “Secret Communications System” to help combat the Nazis in World War II. Lamarr received the patent in…