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US Patent: 1,156,484
System of Motor Control
Patentee:
Samuel H. Keefer, estate of (deceased) - Plainfield, NJ

USPTO Classifications:
318/263

Tool Categories:
metalworking machines : machine tool controls

Assignees:
Niles-Bement-Pond Co. - Jersey City, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Jesse A. Holton
L. H. Kulberg
George E. Van Dyne
Helen L. Davis

Patent Dates:
Applied: Mar. 17, 1913
Granted: Oct. 12, 1915

Reissue Information:
Reissued as RE14,540 (Oct. 22, 1918)

Patent Pictures:
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Description:
Dull, Warfield & Dull - patent attorneys

Mae A. Keefer, Administrix, Plainfield, NJ

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