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Patent number:
Patent Date:
US Patent: 941,297
Instrument for Measuring the Cross Section of Rail, &c.
Patentee:
Richard Barthelmes (
exact
or
similar
names) - Zella St. Blasü, Schmalkalden-Meiningen district, Thuringia, Germany
USPTO Classifications:
33/561.1
,
33/833
Tool Categories:
specialty tools
:
measuring apparatus
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Nov. 16, 1908
Granted:
Nov. 23, 1909
Patent Pictures:
USPTO
(New site tip)
Google Patents
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