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US Patent: 30,485
Steam Valve
Patentee: Joseph F. Letellier (exact or similar names) - Grand Rapids, Kent County, MI USPTO Classifications: 137/613, 137/637.3 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: Francis Letellier - Grand Rapids, Kent County, MI Manufacturer: Leitelt Iron Works - Grand Rapids, Kent County, MI Witnesses: Edward Smith Michael H. Hughes T. H. Alexander William A. Hughes	Patent Dates: Applied: Oct. 23, 1860 Granted: Oct. 23, 1860 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Valley City Iron Works "Vintage Machinery" entry for Leitelt Iron Works

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