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US Patent: 548,922
Gas and Oil Engine
Patentee: John J. Norman (exact or similar names) - Chicago, IL USPTO Classifications: 123/145R, 123/182.1, 123/196R, 123/346, 123/376, 123/41R, 137/53 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines propulsion and energy : internal combustion engines : oil engines Assignees: J. J. Norman Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Charles S. Burton Jean Elliott E. T. Wray	Patent Dates: Applied: Nov. 16, 1894 Granted: Oct. 29, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for J. J. Norman Co.

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