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...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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Class 297/87 - Bottom actuator for rest


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the bottom forms the interconnection between
No. of patents: 2
Last issue date: 02/05/2008


NumberTitleIssue Date
7325265Advanced articulation system and mattress support for a bed
A bed including an articulation system is provided. The bed includes a frame and an actuator coupled to the frame. The bed further includes an arcuate member and a plurality of deck sections. The arcuate member is coupled to the actuator and one of the plurality of ...
02/05/2008
5015031Reclining chair
A reclining chair comprises a seat having a front end, a backrest turnably connected with the seat, a foot part connected with the front end of the seat turnable between a non-use position in which it is located under the seat and a use position in which ...
05/14/1991
 
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