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US Patent: 2,614,331
Micrometer
Patentee:
Chester F. Sherwin (exact or similar names) - Watervliet, NY

USPTO Classifications:
33/821

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Jul. 24, 1951
Granted: Oct. 21, 1952

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