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US Patent: 3,760,472
Spindle Change Mechanism for a Multiple Spindle Head Machine
Patentees: Ervin J. Kielma (exact or similar names) - Milwaukee, Milwaukee County, WI Albin J. Schabowski (exact or similar names) - Milwaukee, Milwaukee County, WI USPTO Classifications: 29/26A, 29/40, 29/48.5A, 29/563, 408/3, 408/35, 409/80, 483/32 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: Feb. 17, 1972 Granted: Sep. 25, 1973 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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