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US Patent: 3,840,981
Tool Change Arm Grip
Patentees: Ervin J. Kielma (exact or similar names) - Milwaukee, Milwaukee County, WI John T. Currer (exact or similar names) - Wauwatosa, Milwaukee County, WI USPTO Classifications: 414/736, 483/44, 483/902 Tool Categories: metalworking machines : metalworking machine mechanisms : tool changers and storage mechanisms Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Witnesses: Unknown	Patent Dates: Applied: Dec. 09, 1971 Granted: Oct. 15, 1974 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Kearney Trecker Corp.

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