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US Patent: 718,481
Internal Combustion Engine
Patentees: Walter Langdon-Davies (exact or similar names) - Surrey, England Alfred Soames (exact or similar names) - Surrey, England USPTO Classifications: 123/345, 123/58.1, 137/607 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: Jun. 27, 1902 Granted: Jan. 13, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Langdon-Davies Electric Motor Co.

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