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US Patent: 3,210,712
Foot operated potentiometer and switch
Patentee: John R. Goff (exact or similar names) - Alsip, IL USPTO Classifications: 338/153, 338/198, 74/561 Tool Categories: industrial machines : hydraulic machinery : hydraulic presses Assignees: Dreis & Krump Mfg. Co. - Chicago, IL Manufacturer: Dreis & Krump Mfg. Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 25, 1963 Granted: Oct. 05, 1965 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Dreis & Krump Mfg. Co.

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