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US Patent: 2,129,499
Control Device
Patentee: Walter S. Landon (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/382, 137/94, 236/92R, 236/99R, 251/285 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: Nov. 25, 1936 Granted: Sep. 06, 1938 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Detroit Lubricator Co.
Description: Original application filed 24 Oct., 1935. Divided and this application filed 25 Nov., 1936.

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