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US Patent: 2,461,328
Controlling Means and System
Patentee: Walter S. Landon (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/601.12, 137/601.13, 137/601.14, 137/627, 236/1E, 236/1EB, 236/68R, 236/75, 236/95, 251/129.09 Tool Categories: industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls hardware : valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 30, 1943 Granted: Feb. 08, 1949 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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