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US Patent: 122,248
Reciprocating Engines
Patentee: Darwin A. Greene (exact or similar names) - New York, NY USPTO Classifications: 74/40, 92/161 Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Greene, Trowbridge & Corning - New York, NY Witnesses: C. C. Livings A. Hoermann	Patent Dates: Granted: Dec. 26, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Greene, Trowbridge & Corning

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