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CA Patent: CA-614,491
Backlash eliminator
Patentees: Orrin William Barker (exact or similar names) - New Berlin, WI John G. Osburn (exact or similar names) - Milwaukee, WI USPTO Classifications: Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : milling machines Assignees: Kearney & Trecker Corp. - West Allis, WI Manufacturer: Kearney & Trecker Corp. - West Allis, WI Witnesses: Unknown	Patent Dates: Granted: Feb. 14, 1961 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Kearney & Trecker Corp.

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