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US Patent: 129,696
Improvement in Ratchet-Drills
Patentee:
Alexander G. Vottier (exact or similar names) - Charlestown, Middlesex County, MA

USPTO Classifications:
408/121

Tool Categories:
metalworking tools : ratchet drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 23, 1872

Patent Pictures:
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