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US Patent: 6,359
Piston-ring and method of deriving motion therefrom in rotary engines
Patentee: John Tremper (exact or similar names) - Little Britain, NY USPTO Classifications: 235/26, 418/230 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: C. D. Houston Pelig Williams, Jr.	Patent Dates: Granted: Apr. 17, 1849 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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