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Patent number:
Patent Date:
US Patent: 664,978
Micrometer Gage
Patentee:
Frank Spalding (
exact
or
similar
names) - Providence, RI
USPTO Classifications:
33/816
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
Brown & Sharpe Mfg. Co.
- Providence, RI
Manufacturer:
Not known to have been produced
Witnesses:
Ira L. Fish
R. A. Bates
Patent Dates:
Applied:
Apr. 20, 1899
Granted:
Jan. 01, 1901
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description:
Wilmarth H. Thurston - patent attorney
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