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US Patent: 287,709
Road Engine
Patentee: Benjamin Franklin Opp (exact or similar names) - Havana, Mason County, IL USPTO Classifications: 172/292, 180/36, 180/8.1, 362/418, 362/478 Tool Categories: propulsion and energy : steam apparatus : steam road engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 14, 1883 Granted: Oct. 30, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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