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US Patent: 714,853
Gas or Vapor Engine
Patentees: Francis G. Bates (exact or similar names) - Philadelphia, PA Benjamin A. Williams (exact or similar names) - Philadelphia, PA USPTO Classifications: 123/188.2, 123/21, 123/324, 123/65VB, 123/67, 123/79R, 123/90.31, 137/630.22 Tool Categories: propulsion and energy : internal combustion engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 13, 1899 Granted: Dec. 02, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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