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US Patent: 2,071,143
Automatic Valve
Patentee: Lewis l Scott (exact or similar names) - Kirkwood, St. Louis County, MO USPTO Classifications: 137/115.14, 137/508, 137/801 Tool Categories: industrial machines : industrial machine mechanisms : industrial control apparatus : flow controls industrial tools : pressure regulators hardware : valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 21, 1930 Granted: Feb. 16, 1937 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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