Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 5937686 | Bending apparatus for hollow double-structured pipe This invention is concerned with an apparatus for bending a hollow double-structured pipe for use in an exhaust pipe of an internal combustion engine, for example, and aims at providing such hollow double-structured pipe which is capable of effecting favo... | 08/17/1999 |
