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US Patent: 574,311
Expansion Gas Engine
Patentee: John Washington Eisenhuth (exact or similar names) - San Francisco, CA USPTO Classifications: 123/160, 123/163, 123/184.1, 123/55.7, 123/70V, 123/87, 60/39.5, 60/39.6, 60/39.821, 60/786 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 05, 1893 Granted: Dec. 29, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Application filed 05 Oct 1893. Renewed 07 May 1896.

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