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US Patent: 2,412,421
Gauging Device
Patentees:
Louis F. Polk (exact or similar names) - Dayton, OH
Willis Fay Aller (exact or similar names) - Dayton, OH

USPTO Classifications:
33/501.6

Tool Categories:
layout tools : measurement gauges

Assignees:
The Sheffield Corp. - Dayton, OH

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 23, 1944
Granted: Dec. 10, 1946

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
Description:
Edward T. Noe jr. - patent attorney

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