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US Patent: 172,916
Portable Steam Engine
Patentee: Henry M. Durphy (exact or similar names) - Ithaca, Tompkins County, NY USPTO Classifications: 169/24, 280/830 Tool Categories: propulsion and energy : steam apparatus : portable steam engines Assignees: Williams Brothers - Ithaca, Tompkins County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 21, 1875 Granted: Feb. 01, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Williams Bros. Co.

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