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US Patent: 381,092
Machine for Grooving Bit-Blanks
Patentee: James Swan (exact or similar names) - Seymour, CT USPTO Classifications: 409/73 Tool Categories: tool making : making drills and augers woodworking tools : hand drills : drill bits : twist drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: A. M. Wooster B. E. Lee	Patent Dates: Applied: Jan. 26, 1888 Granted: Apr. 10, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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