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US Patent: 112,255
Improvement in Methods of Forming Spur Lips of Auger Bits
Patentee: William A. Ives (exact or similar names) - New Haven, CT USPTO Classifications: 72/359, 72/373, 76/102 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: John H. Shumway A. J. Tibbits	Patent Dates: Granted: Feb. 28, 1871 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.

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