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US Patent: 61,926
Screw Gage
Patentee:
J. S. Copeland (exact or similar names) - Bridgeport, CT

USPTO Classifications:
33/199R, 33/501

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John E. Earle
Altsie J. Tibbits
Patent Dates:
Granted: Feb. 12, 1867

Patent Pictures:
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