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US Patent: 3,752,595
Adapter for Drill Speeder
Patentees: Robert T. Woythal (exact or similar names) - West Allis, Milwaukee County, WI James L. Kirschnik (exact or similar names) - Brookfield, Waukesha County, WI USPTO Classifications: 279/144, 279/900, 408/124, 408/238, 409/235 Tool Categories: metalworking machines : metalworking machine tool holders Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Witnesses: none listed	Patent Dates: Applied: Mar. 31, 1971 Granted: Aug. 14, 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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