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Patent number:
Patent Date:
US Patent: 1,516,387
Micrometer
Patentee:
Gustaf A. Kellerstedt (
exact
or
similar
names) - New Britain, CT
USPTO Classifications:
33/802
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Benjamin Kahn
J. L. McAucliffe
Patent Dates:
Applied:
Apr. 15, 1922
Granted:
Nov. 18, 1924
Patent Pictures:
USPTO
(New site tip)
Google Patents
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Description:
Munn & Co.- patent attorneys
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