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US Patent: 2,566,173
Pilot Operated Valve
Patentee:
Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
137/625.5, 236/80R, 251/14, 251/28, 251/41

Tool Categories:
hardware : valves
specialty machines : heating apparatus

Assignees:
Detroit Lubricator Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 23, 1949
Granted: Aug. 28, 1951

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.

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