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Patent number:
Patent Date:
US Patent: 2,357,795
Valve
Patentees:
Earnest J. Dillman (
exact
or
similar
names) - Detroit, Wayne County, MI
William E. Cowley (
exact
or
similar
names) - Detroit, Wayne County, MI
USPTO Classifications:
137/339
,
137/505.22
,
236/92R
,
251/61.5
Tool Categories:
specialty machines
:
refrigeration apparatus
hardware
:
valves
Assignees:
Detroit Lubricator Co.
- Detroit, Wayne County, MI
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
May 04, 1939
Granted:
Sep. 12, 1944
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.
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