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US Patent: 1,981,313
Thermostatically Operated Valve
Patentees: Lewis W. Eggleston (exact or similar names) - Detroit, Wayne County, MI Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/42, 236/68A Tool Categories: industrial tools : industrial valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 15, 1930 Granted: Nov. 20, 1934 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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