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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) Google Patents Report data errors or omissions to steward Joel Havens
Description: Jason R. Snyder - patent attorney

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