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US Patent: 326,342
Adjustable Concentric Channeler
Patentee: James C. Smith (exact or similar names) - Boston, MA USPTO Classifications: 408/147, 408/190, 408/192, 408/202 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: James C. Smith - Boston, MA Thomas G. Newgent - Boston, MA Manufacturer: Not known to have been produced Witnesses: T. W. Porter Eugene Humphrey	Patent Dates: Applied: May 24, 1885 Granted: Sep. 15, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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