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US Patent: 4,421,443
High Speed Machine Tool Spindle Assembly
Patentees: Robert T. Woythal (exact or similar names) - West Allis, Milwaukee County, WI Philip J. Finet (exact or similar names) - Milwaukee, Milwaukee County, WI USPTO Classifications: 279/48, 409/232, 409/234 Tool Categories: metalworking machines : metalworking machine mechanisms Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Witnesses: Unknown	Patent Dates: Applied: Oct. 29, 1981 Granted: Dec. 20, 1983 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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