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US Patent: 1,569,887
Poppet Valve Rotator
Patentee: Charles E. Sargent (exact or similar names) - Rock Island, Rock Island County, IL USPTO Classifications: 123/90.28 Tool Categories: propulsion and energy : internal combustion engines : internal combustion engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 15, 1922 Granted: Jan. 19, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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