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Patent number:
Patent Date:
US Patent: 909,538
Micrometer Caliper Square
Patentee:
Frank S. Buckminster (
exact
or
similar
names) - Pasadena, Los Angeles County, CA
USPTO Classifications:
33/822
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
indicating calipers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Edmund A. Strause
M. A. Jones
Trimble Barkelew
Patent Dates:
Applied:
Jan. 17, 1907
Granted:
Jan. 12, 1909
Patent Pictures:
USPTO
(New site tip)
Google Patents
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