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Patent number:
Patent Date:
US Patent: 557,445
Micrometer Gage
Patentee:
Frank Spalding (
exact
or
similar
names) - Providence, Providence County, RI
USPTO Classifications:
33/816
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
micrometers
Assignees:
Brown & Sharpe Mfg. Co.
- Providence, Providence County, RI
Manufacturer:
Not known to have been produced
Witnesses:
M. F. Bligh
Charles H. Luther, Jr.
Joseph A. Miller, Jr.
Patent Dates:
Applied:
May 28, 1895
Granted:
Mar. 31, 1896
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:
Joseph A. Miller & Co. - patent attorneys
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