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US Patent: 536,897
Reversing Gear for Steam Engines
Patentee: John L. Seyfang (exact or similar names) - Bradford, McKean County, PA USPTO Classifications: 74/833 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 23, 1894 Granted: Apr. 02, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Bovaird & Seyfang Mfg. Co.

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