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US Patent: 870,403
Micrometer Gage
Patentee:
Louis C. Woerner (exact or similar names) - Berlin, Germany

USPTO Classifications:
33/818

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 05, 1907
Granted: Nov. 05, 1907

Patent Pictures:
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