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US Patent: 2,298,253
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:
137/505.29, 236/92B, 251/337, 92/100, 92/101

Tool Categories:
hardware : valves
industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 17, 1940
Granted: Oct. 06, 1942

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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