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US Patent: 68,012
Improvement in the Manufacture of Augers Manufacture of Single Twist Augers
Patentee: James Swan (exact or similar names) - Seymour, CT USPTO Classifications: 72/332, 72/364, 72/376, 76/102 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: Charles Douglass E. H. Knight	Patent Dates: Granted: Aug. 20, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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