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US Patent: 2,963,945
Transmission and Control Mechanism
Patentees: Orrin W. Barker (exact or similar names) - New Berlin, Waukesha County, , WI John L. Martin (exact or similar names) - Wauwatosa, Milwaukee County, WI John G. Osburn (exact or similar names) - Milwaukee, Milwaukee County, WI Frank Zankl (exact or similar names) - Milwaukee, Milwaukee County, WI USPTO Classifications: 192/215, 409/150, 409/153 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking power transmission Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 05, 1956 Granted: Dec. 13, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.

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