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US Patent: RE5,393
Improvement in Hollow-Augers
Patentee: William A. Clark (exact or similar names) - New Haven, CT USPTO Classifications: 30/495 Tool Categories: woodworking tools : hand drills : drill bits : hollow bits Assignees: None Manufacturer: Not known to have been produced Witnesses: J. McKinney Philip T. Dodge	Patent Dates: Applied: Apr. 17, 1873 Granted: May 06, 1873 Reissue Information: Reissue of 121,707 (Dec. 12, 1871) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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