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US Patent: 2,378,883
Control Device
Patentee: Philip S. Russel (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 417/28, 417/40 Tool Categories: industrial machines : industrial machine mechanisms : industrial control apparatus : liquid level controls Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 24, 1943 Granted: Jun. 19, 1945 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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