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US Patent: 1,011,919
System of motor control
Patentee:
Herbert W. Cheney (exact or similar names) - Milwaukee, WI

USPTO Classifications:
318/263, 318/740, 318/829, 338/110, 338/51

Tool Categories:
electrical devices : electric motors : motor controls

Assignees:
Allis-Chalmers Co. - Milwaukee, WI

Manufacturer:
Allis-Chalmers Co. - Milwaukee, WI

Witnesses:
Charles L. Byron
H. C. Case

Patent Dates:
Applied: Apr. 15, 1909
Granted: Dec. 19, 1911

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

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