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US Patent: 189,265
Improvement in Gimlets and Twist-Drills
Patentee: Julius C. Richardson (exact or similar names) - Philadelphia, PA USPTO Classifications: 72/371, 74/412, 76/108.6 Tool Categories: tool making : making drills and augers woodworking tools : hand drills : gimlets woodworking tools : hand drills : drill bits : twist drill bits Assignees: Julius C. Richardson - Philadelphia, PA Thomas Hooker - Syracuse, NY Manufacturer: Not known to have been produced Witnesses: John A. Wiedersheim H. E. Hindmarsh	Patent Dates: Applied: Sep. 07, 1876 Granted: Apr. 03, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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