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US Patent: 867,154
System of motor control
Patentee:
Walter J. Richards (exact or similar names) - Norwood, OH

USPTO Classifications:
307/103, 307/37, 318/144, 318/154, 322/67

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: Sep. 29, 1906
Granted: Sep. 24, 1907

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Allis-Chalmers Mfg. Co.

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