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US Patent: 102,487
Improvement in Clamp
Patentee:
Charles B. Canfield (exact or similar names) - Oriskany, NY

USPTO Classifications:
269/166, 269/236, 269/238, 269/93

Tool Categories:
work holding : vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry C. Buell
J. H. Buell
Patent Dates:
Granted: May 03, 1870

Patent Pictures:
Patent Fig. 1
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