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US Patent: 1,361,406
Combined Micrometer Caliper
Patentee:
Joseph V. Romig (exact or similar names) - Allentown, PA

USPTO Classifications:
33/826

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. 22, 1919
Granted: Dec. 07, 1920

Patent Pictures:
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