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US Patent: 2,692,438
Device for Measuring or Gauging Screw Threads
Patentee:
Emil Schneider (exact or similar names) - Coatesville, PA

USPTO Classifications:
33/199R, 33/829

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Dec. 01, 1952
Granted: Oct. 26, 1954

Patent Pictures: [ 1 | 2 ]
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