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US Patent: 867,155
Motor-control system
Patentee:
Walter J. Richards - Norwood, OH

USPTO Classifications:
200/17R

Tool Categories:
electrical devices : electric motors : motor controls

Assignees:
Allis-Chalmers Co. - Milwaukee, WI

Manufacturer:
Allis-Chalmers Co. - Milwaukee, WI

Witnesses:
Fred J. Kinsey
George B. Schley

Patent Dates:
Applied: Mar. 01, 1907
Granted: Sep. 24, 1907

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Allis-Chalmers Manufacturing Co.

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