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US Patent: 222,051
Improvement in Hollow Augers
Patentee: William A. Ives (exact or similar names) - New Haven, CT USPTO Classifications: 30/495 Tool Categories: woodworking tools : hand drills : drill bits : hollow bits Assignees: None Manufacturer: Not known to have been produced Witnesses: John E. Earle Joseph C. Earle	Patent Dates: Applied: Jan. 01, 1879 Granted: Nov. 25, 1879 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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