This Day in Patent History - On November 24, 1874, a patent was granted to Joseph Glidden for barbed wire fencing On November 24, 1874, a patent was granted to Joseph Glidden for barbed wire fencing. …
Nikola Tesla Patent #8 – Electro-magnetic motor – US 381968 Patent Information Publication number: US381968 A Patent Title : Electro-magnetic motor…
