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US Patent: 860,020
Boring-Tool or Auger
Patentee:
John Henry Dearholt (exact or similar names) - Wonewoc, WI

USPTO Classifications:
408/189, 408/195

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. P. Gale
A. L. Rhodes

Patent Dates:
Applied: Jul. 06, 1906
Granted: Jul. 16, 1907

Patent Pictures:
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