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US Patent: 381,968
Electro-magnetic motor
Patentee:
Nikola Tesla - New York, NY

USPTO Classifications:
310/102R

Tool Categories:
electrical devices : electric motors : induction motors

Assignees:
Charles F. Peck - Englewood, NJ
Nikola Tesla - New York, NY
Westinghouse Electric & Manufacturing Co. - Pittsburgh, PA

Manufacturer:
Not known to have been produced

Witnesses:
Frank B. Murphy
Frank E. Hartley

Patent Dates:
Applied: Oct. 12, 1887
Granted: May 01, 1888

Patent Pictures:
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Description:
This and patents 381,969 and 381,970 are the first patents for the AC induction motor. The patent was assigned to himself and Charles Peck, but they sold the patent to Westinghouse in July of 1888. Tesla moved to Pittsburgh for a year to train Westinghouse personnel.

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