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US Patent: 402,622
Steam Engine
Patentees: James A. Seymour (exact or similar names) - Auburn, Cayuga County, NY John E. McIntosh (exact or similar names) - Auburn, Cayuga County, NY USPTO Classifications: 91/164 Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 23, 1888 Granted: May 07, 1889 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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