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Patent number:
Patent Date:
US Patent: 1,440,824
Micrometer Caliper
Patentee:
John H. Fulmer (
exact
or
similar
names) - Buffalo, NY
USPTO Classifications:
116/DIG.47
,
33/818
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. 21, 1920
Granted:
Jan. 02, 1923
Patent Pictures:
USPTO
(New site tip)
Google Patents
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