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US Patent: 83,348
Improvement in counter-sink
Patentee: P. A. Whitney (exact or similar names) - Woodstock, VT USPTO Classifications: 408/146 Tool Categories: woodworking tools : hand drills : drill bits : countersinks Assignees: None Manufacturer: A. W. Whitney - Woodstock, VT Witnesses: William D. Foster William E. Johnson	Patent Dates: Granted: Oct. 20, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for A. W. Whitney

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