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US Patent: 1,829,323
Micrometer
Patentees:
Victor F. Witter - Fremont, OH
Urban A. Frederick - Fremont, OH

USPTO Classifications:
33/795, 33/824

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: May 12, 1928
Granted: Oct. 27, 1931

Patent Pictures:
USPTO pdf tiff
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