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US Patent: 13,261
Expanding auger or bit
Patentee: L. H. Gibbs (exact or similar names) - Washington, DC USPTO Classifications: 408/195, 408/212, 426/318 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: None Manufacturer: L. H. Gibbs - New York, NY Witnesses: Unknown	Patent Dates: Granted: Jul. 17, 1855 Patent Pictures: [ 1 | 2 | 3 | 4 | 5 | 6 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: An example sold at auction in 2004 for $121.

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