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US Patent: 112,063
Improvement in Auger-Bits
Patentee:
John C. Mills (exact or similar names) - Rochester, NY

USPTO Classifications:
175/384, 408/188, 408/189

Tool Categories:
woodworking tools : hand drills : drill bits : adjustable drill bits

Assignees:
John C. Mills - Rochester, NY
Richard Leake - Rochester, NY

Manufacturer:
Not known to have been produced

Witnesses:
C. L. Evert
Chris Gaffin

Patent Dates:
Granted: Feb. 21, 1871

Patent Pictures:
USPTO (New site tip)
Google Patents
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