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US Patent: 2,190,899
Gauge
Patentee:
Frank J. Vierling - Minneapolis, Hennepin County, MN

USPTO Classifications:
33/709, 33/836

Tool Categories:
metalworking tools : machinist tools : depth gauges

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Jul. 18, 1938
Granted: Feb. 20, 1940

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Description:
This unit was sold as a Gaugemaster.

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