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US Patent: 1,311,548
Micrometer
Patentee:
Angus T. Blush (exact or similar names) - Erie, PA

USPTO Classifications:
33/814, 33/817

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Aug. 01, 1918
Granted: Jul. 29, 1919

Patent Pictures:
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