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US Patent: 423,963
Steam-engine
Patentee: James B. Stanwood (exact or similar names) - Cincinnati, OH USPTO Classifications: 91/158, 91/160, 91/333 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Houston, Stanwood & Gamble Co. - Cincinnati, OH Witnesses: Ella Hosea L. M. Hosea	Patent Dates: Applied: Jul. 08, 1889 Granted: Mar. 25, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Houston, Stanwood & Gamble Co.

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