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US Patent: 594,615
Expansive Bit
Patentee: Bernard H. Fowle (exact or similar names) - Spokane, WA USPTO Classifications: 408/181, 408/195, 408/212 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: T. M. Grove D. H. Dwight	Patent Dates: Applied: Jan. 27, 1897 Granted: Nov. 30, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: Primary features of this bit are the jointed stem, which allows use of driving stems of various lengths, and the screw adjusted cutter.

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