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US Patent: 2,403,427
Valve Mechanism
Patentee: Oscar H. Ludeman (exact or similar names) - New York, NY USPTO Classifications: 137/630.14, 251/14, 251/264, 251/28, 92/162R, 92/171.1, 92/28 Tool Categories: propulsion and energy : steam apparatus : steam valves Assignees: Skinner Engine Co. - Erie, Erie County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 27, 1944 Granted: Jul. 02, 1946 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Skinner Engine Co.

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