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US Patent: 1,946,842
Temperature Control System
Patentee: Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/1B, 236/38, 236/47 Tool Categories: electrical devices : temperature control apparatus industrial machines : industrial machine mechanisms : industrial control apparatus : temperature controls Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 29, 1930 Granted: Feb. 13, 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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