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US Patent: 116,955
Improvement in ratchet-drills
Patentee:
Ira S. Hamilton (exact or similar names) - Hamilton, OH

USPTO Classifications:
408/122.5

Tool Categories:
woodworking tools : hand drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank Millward
Job E. Owens
Patent Dates:
Granted: Jul. 11, 1871

Patent Pictures:
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