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US Patent: 1,408,808
Expansion Plug Gauge
Patentee:
William E. Keopple (exact or similar names) - Dayton, Montgomery County, OH

USPTO Classifications:
33/544.6

Tool Categories:
metalworking tools : machinist tools : measuring tools : plug gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Howard S. Smith

Patent Dates:
Applied: Sep. 15, 1920
Granted: Mar. 07, 1922

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Howard S. Smith - patent attorney

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