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US Patent: 2,192,117
Control Device
Patentee: Daniel D. Wile (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/468, 137/500, 137/79, 236/92B, 251/335.2, 251/77, 62/224, 62/474, 92/101, 92/48, 92/84, 92/94 Tool Categories: industrial machines : industrial machine mechanisms : industrial control apparatus : temperature controls hardware : valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 22, 1935 Granted: Feb. 27, 1940 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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