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US Patent: RE7,689
Improvement in Hollow Augers
Patentee: Charles S. Bonney (exact or similar names) - Philadelphia, PA USPTO Classifications: 30/495 Tool Categories: woodworking tools : hand drills : drill bits : hollow bits Assignees: Lloyd, Supplee & Walton - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: William R. Howell D. W. Worrall	Patent Dates: Applied: Mar. 12, 1877 Granted: May 22, 1877 Reissue Information: Reissue of 105,896 (Aug. 02, 1870) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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