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US Patent: 3,580,834
Apparatus for Machining Metals Electrochemically
Patentee: Robert K. Sedgwick (exact or similar names) - Waukesha, Waukesha County, WI USPTO Classifications: 204/224M Tool Categories: metalworking machines : electrochemical machining Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Witnesses: none listed	Patent Dates: Applied: Dec. 04, 1967 Granted: May 25, 1971 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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