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US Patent: 870,595
Controller
Patentee:
Lewis L. Tatum (exact or similar names) - Norwood, OH

USPTO Classifications:
200/5R, 200/6.0BA, 318/829

Tool Categories:
electrical devices : electric motors : motor controls

Assignees:
Allis-Chalmers Co. - Milwaukee, WI
Bullock Electric Mfg. Co. - Norwood, OH

Manufacturer:
Allis-Chalmers Co. - Milwaukee, WI

Witnesses:
George B. Schley
Fred J. Kinsey

Patent Dates:
Applied: Apr. 16, 1906
Granted: Nov. 12, 1907

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

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