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US Patent: 356,834
Electric Motor
Patentee:
William W. Griscom - Haverford College, Mongomery County, PA

USPTO Classifications:
310/216.094, 310/40R, 310/60R, 310/64

Tool Categories:
electrical devices : electric motors : DC motors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 25, 1885
Granted: Feb. 01, 1887
Antedated: Jan. 03, 1887

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Electro-Dynamic Co.

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