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Patent number:
Patent Date:
US Patent: 1,551,154
Micrometer Extension Post
Patentee:
Boledslaw A. Janik (
exact
or
similar
names) - Milwaukee, Milwaukee County, WI
USPTO Classifications:
33/826
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometer attachments
metalworking tools
:
machinist tools
:
measuring tools
:
inside micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 01, 1924
Granted:
Aug. 25, 1925
Patent Pictures:
USPTO
(New site tip)
Google Patents
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