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Patent number:
Patent Date:
US Patent: 414,357
Screw Cutting Tool
Patentee:
James E. Woodbridge (
exact
or
similar
names) - Hartford, Hartford County, CT
USPTO Classifications:
408/197
,
470/198
Tool Categories:
metalworking tools
:
taps and dies
Assignees:
Pratt & Whitney Co.
- Hartford, Hartford County, CT
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 03, 1888
Granted:
Nov. 05, 1889
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
Description:
Application renewed 05 Oct., 1888.
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