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US Patent: 284,557
Gas Engine
Patentee: George M. Hopkins (exact or similar names) - Brooklyn, NY USPTO Classifications: 123/188.2, 123/197.1, 123/363, 123/39, 123/90.64 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: Economic Motor Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: C. Sedgwick B. G. Underwood C. Neveux	Patent Dates: Applied: Nov. 24, 1882 Granted: Sep. 04, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Economic Motor Co.

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