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US Patent: 2,267,688
Control Device
Patentee: Walter S. Landon (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/48R, 251/58, 251/78, 74/97.1 Tool Categories: 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: Oct. 24, 1935 Granted: Dec. 23, 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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