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US Patent: 2,210,561
Outer Taper Gauge
Patentees:
Charles H. Allen (exact or similar names) - Pittsburgh, PA
Rosslyn C. Allen (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
33/199R

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Oct. 20, 1938
Granted: Aug. 06, 1940

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
Description:
Jason R. Snyder - patent attorney

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