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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 221/146 - Stack or chimney


Subclass of Class 221 - Article dispensing
Definition: Devices in which the flow causing means is a tubular flue-like
No. of patents: 1
Last issue date: 01/22/1985


NumberTitleIssue Date
4495402Warmer for temperature conditioning wet dressings and other articles
A warmer for heating wet dressings and other articles disposed in a combined heating and storage compartment in stacked relation insures that a bottommost article about to be dispensed is at a proper temperature so as to avoid burning the patient to whom ...
01/22/1985
 
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