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US Patent: 1,994,988
Control Device
Patentee: Lewis W. Eggleston (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 200/83F, 200/83R, 236/DIG.6, 337/314, 337/317, 337/331 Tool Categories: industrial tools : pressure regulators industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 16, 1932 Granted: Mar. 19, 1935 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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