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US Patent: 2,399,236
Micrometer
Patentee:
Donald A. Lutton (exact or similar names) - Winthrop, MA

USPTO Classifications:
33/501.4, 33/802

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Feb. 12, 1944
Granted: Apr. 30, 1946

Patent Pictures: [ 1 | 2 ]
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