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US Patent: 2,259,645
Heating System and Control Means Therefor
Patentee: Walter S. Landon (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/444, 137/65, 200/18, 200/83P, 236/1A, 236/75, 251/129.04, 337/320 Tool Categories: specialty machines : heating 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: Jul. 11, 1938 Granted: Oct. 21, 1941 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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