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US Patent: 517,066
Calipers
Patentee:
Joseph Randa (exact or similar names) - Detroit, MI

USPTO Classifications:
33/199R, 33/796

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Otto F. Barthel
M. B. O' Doherty
James Whittemore
Patent Dates:
Applied: May 31, 1893
Granted: Mar. 27, 1894

Patent Pictures:
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Google Patents
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