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Patent number:
Patent Date:
US Patent: 2,556,761
Combined Micrometer Caliper and Dial Gauge
Patentee:
Cecil R. Keene (
exact
or
similar
names) - St. Louis, MO
USPTO Classifications:
33/501.4
,
33/813
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Jun. 11, 1947
Granted:
Jun. 12, 1951
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Frederick J. Larson - patent attorney
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