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US Patent: 853,262
Computing Calipers
Patentee:
Alfred E. Putnam (exact or similar names) - Milan, MI

USPTO Classifications:
33/733, 33/736

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James P. Barry
Edward D. Ault
George W. Graves
Patent Dates:
Applied: Jul. 10, 1905
Granted: May 14, 1907

Patent Pictures:
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Description:
James Whittemore - patent attorney

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