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US Patent: 1,233,739
Internal-combustion engine
Patentee: Louis W. Witry (exact or similar names) - Waterloo, IA USPTO Classifications: 123/184.41 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: Waterloo Gasoline Engine Co. - Waterloo, IA Manufacturer: Waterloo Gasoline Engine Co. - Waterloo, IA Witnesses: Unknown	Patent Dates: Applied: Dec. 30, 1916 Granted: Jul. 17, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Waterloo Gasoline Engine Co.

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