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Patent number:
Patent Date:
US Patent: 1,233,994
Machine for taper-forming
Patentee:
Richard F. Dow (
exact
or
similar
names) - Hartford, CT
USPTO Classifications:
408/147
,
408/3
,
82/1.4
,
82/11.1
Tool Categories:
metalworking machines
:
metal lathes
Assignees:
Pratt & Whitney Co.
- Hartford, CT
Manufacturer:
Pratt & Whitney Co.
- Hartford, CT
Witnesses:
Heath Sutherland
L. L. Markel
Patent Dates:
Applied:
Mar. 27, 1916
Granted:
Jul. 17, 1917
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.
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