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US Patent: 839,943
Micrometer Gage
Patentee:
Edward A. Marsh (exact or similar names) - Newton, Middlesex County, MA

USPTO Classifications:
33/803

Tool Categories:
metalworking tools : machinist tools : measuring tools : dial indicator gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 07, 1906
Granted: Jan. 01, 1907

Patent Pictures:
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