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US Patent: RE4,517
Improvement in Machines for Bending the Lips of Auger-Bits Machine for Upsetting Cook's Bits
Patentee: James Swan (exact or similar names) - Seymour, CT USPTO Classifications: 76/2 Tool Categories: tool making : making drills and augers woodworking tools : hand drills : drill bits : auger bits Assignees: None Manufacturer: Not known to have been produced Witnesses: T. B. Mosher George W. Mabee	Patent Dates: Granted: Aug. 15, 1871 Reissue Information: Reissue of 100,816 (Mar. 15, 1870) Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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