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US Patent: 1,005,883
Instument for Making Micrometric Measurements
Patentees:
Pierre Roch (exact or similar names) - Rolle, Switzerland
Etienne Challet (exact or similar names) - Rolle, Switzerland

USPTO Classifications:
33/815, 33/817

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. H. Munier
P. Q. Tollberger
E. A. Pell
M. A. Johnson

Patent Dates:
Applied: Jul. 28, 1910
Granted: Oct. 17, 1911

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
Description:
William H. Camfield - patent attorney

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