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US Patent: 288,770
Calipers
Patentee:
Reuben H. Brown (exact or similar names) - New Haven, CT

USPTO Classifications:
33/558.07

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John N. Austin
A. C. Depew
Patent Dates:
Applied: May 03, 1883
Granted: Nov. 20, 1883

Patent Pictures:
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