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US Patent: 848,632
Bit
Patentee: George T. Chafin (exact or similar names) - Stafford, KS USPTO Classifications: 408/194, 408/195, 408/213 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: N. P. Reid F. Kaths	Patent Dates: Applied: Aug. 17, 1906 Granted: Apr. 02, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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