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US Patent: 392,119
Method of Twisting Augers
Patentee: Martin Hardsocg (exact or similar names) - Ottumwa, IA USPTO Classifications: 72/299, 72/371, 76/108.6 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: J. S. Surbaugh P. Riordan	Patent Dates: Applied: Mar. 11, 1888 Granted: Oct. 30, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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