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Patent number:
Patent Date:
US Patent: 552,659
Micrometer Calipers
Patentee:
Axel B. Brown (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
33/816
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
R. J. Jacker
E. A. Duggan
Charles C. Tillman
Patent Dates:
Applied:
Oct. 14, 1895
Granted:
Jan. 07, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Charles C. Tillman - patent attorney
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