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US Patent: 2,409,112
Automatic Valve
Patentee: Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/48R, 236/68R, 251/11, 251/75, 60/528, 60/529 Tool Categories: industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls hardware : valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 03, 1942 Granted: Oct. 08, 1946 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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