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US Patent: 384,637
Valve for Steam Engines
Patentee: John E. McIntosh (exact or similar names) - Auburn, Cayuga County, NY USPTO Classifications: 91/264 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 20, 1887 Granted: Jun. 19, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for McIntosh, Seymour & Co.

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