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US Patent: 3,786,938
Reversing Drive for a Tool Changer
Patentee: Edward E. Kirkham (exact or similar names) - Brookfield, Waukesha County, WI USPTO Classifications: 414/736, 414/739, 483/44, 74/109, 74/29, 74/422 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: none listed	Patent Dates: Applied: May 22, 1972 Granted: Jan. 22, 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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