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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: USPTO (New site tip) Google Patents 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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