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US Patent: 3,280,469
Gage to Check the Relationship or Concentricity of Related Surfaces to the Pitch Diameter of a Threaded Surface
Patentee:
Albert B. Andreasen (exact or similar names) - Royal Oak, MI

USPTO Classifications:
33/199R

Tool Categories:
layout tools : special purpose gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Apr. 20, 1964
Granted: Oct. 25, 1966

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