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US Patent: 620,965
Alternating Current Motor
Patentees:
Edwin W. Rice - Swampscott, Essex County, MA
Charles P. Steinmetz - Lynn, Essex County, MA

USPTO Classifications:
310/172, 318/797

Tool Categories:
electrical devices : electric motors : induction motors

Assignees:
General Electric Co. - Schenectady, NY

Manufacturer:
Not known to have been produced

Witnesses:
John W. Gibboney
Thorburn Reid
A. T. Abell
A. F. Macdonald

Patent Dates:
Applied: Jul. 29, 1893
Granted: Mar. 14, 1899

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for General Electric Co.

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