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Patent number:
Patent Date:
US Patent: 686,497
Telescopic Micrometer Gage
Patentee:
Theodore Wiedmann (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
33/826
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
inside micrometers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
P. F. Nagel
L. Dowrille
John A. Wiedersheim
E. Hayward Fairbanks
Patent Dates:
Applied:
Dec. 15, 1900
Granted:
Nov. 12, 1901
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Wiedersheim & Fairbanks - patent attorneys
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