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US Patent: 2,217,859
Measuring Instrument
Patentee:
Joshua Earle Campen (exact or similar names) - Prospect Park, PA

USPTO Classifications:
33/828

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Apr. 06, 1938
Granted: Oct. 15, 1940

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Ralph T. French - patent attorney

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