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US Patent: 25,248
Valve for steam-engines
Patentee: Addison Crosby (exact or similar names) - Fredonia, NY USPTO Classifications: 137/625.22 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Allen Hinckley Thomas Van Scoter	Patent Dates: Granted: Aug. 30, 1859 Reissue Information: Reissued as RE921 (Mar. 06, 1860) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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