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US Patent: 236,401
Detachable Lip for Augers
Patentees: John R. Adams (exact or similar names) - Oakland, CA Daniel Robertson (exact or similar names) - Oakland, CA USPTO Classifications: 408/199 Tool Categories: woodworking tools : hand drills : drill bits : auger bits Assignees: None Manufacturer: Not known to have been produced Witnesses: A. U. Mills W. T. Rowlands	Patent Dates: Applied: Nov. 05, 1880 Granted: Jan. 11, 1881 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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