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CA Patent: CA-1,214,850
Automatic dynamic error compensator
Patentees: Richard Johnstone (exact or similar names) - Brookfield, WI Edward E. Kirkham (exact or similar names) - Brookfield, WI Han-Chang Chung (exact or similar names) - West Allis, WI Lyle D. Ostby (exact or similar names) - Brookfield, WI USPTO Classifications: Tool Categories: metalworking machines : machine tool controls metalworking machines : milling machines Assignees: Kearney & Trecker Corp. - West Allis, WI Manufacturer: Kearney & Trecker Corp. - West Allis, WI Witnesses: Unknown	Patent Dates: Applied: May 10, 1984 Granted: Dec. 02, 1986 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Kearney & Trecker Corp.
Description: See US patent 4,628,441.

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