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US Patent: 2,168,564
Control Device
Patentees: Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI Daniel D. Wile (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/92B Tool Categories: specialty machines : heating apparatus : thermostats Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 24, 1935 Granted: Aug. 08, 1939 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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