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US Patent: 841,271
Micrometer
Patentee:
John Rau - Easton, PA

USPTO Classifications:
33/829

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Asher Seip
Charles B. Brunner
C. E. Hunt
C. H. Griesbauer

Patent Dates:
Applied: Apr. 05, 1906
Granted: Jan. 15, 1907

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
H. B. Willson - patent attorney

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