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US Patent: 1,476,862
Valve
Patentees: Hans Wagner (exact or similar names) - Magdeburg, Germany Wilhelm Strube (exact or similar names) - Magdeburg, Germany USPTO Classifications: 251/197, 251/200 Tool Categories: hardware : valves Assignees: Nathan Mfg. Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 19, 1922 Granted: Dec. 11, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nathan Mfg. Co.

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