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US Patent: 737,231
Tap-Borer Ratcheting Tap Borer
Patentee: Edward G. Hayne (exact or similar names) - Ottawa, IL USPTO Classifications: 175/327, 408/139, 81/29 Tool Categories: woodworking tools : hand drills : drill bits : tapered reamers woodworking tools : hand drills : auger handles Assignees: None Manufacturer: Not known to have been produced Witnesses: Frank Sweger George P. Hills	Patent Dates: Applied: Oct. 30, 1902 Granted: Aug. 25, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: Intended for cutting holes in pipe, this ratcheting tap borer is designed to work in one direction only.

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