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Patent number:
Patent Date:
US Patent: 972,196
Micrometer
Patentee:
Charles E. Johnson (
exact
or
similar
names) - Muskegon, Muskegon County, MI
USPTO Classifications:
33/805
,
451/8
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
indicating calipers
Assignees:
Muskegon Motor Specialties Co.
- Muskegon, Muskegon County, MI
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 09, 1910
Granted:
Oct. 11, 1910
Patent Pictures:
USPTO
(New site tip)
Google Patents
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