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US Patent: 450,484
Traction Wheel
Patentee: George R. Duval (exact or similar names) - Benicia, Solano County, CA USPTO Classifications: 301/55, 301/6.5, 74/432 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine wheels Assignees: Benicia Agricultural Works - Benicia, Solano County, CA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 04, 1891 Granted: Apr. 14, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Benicia Agricultural Works

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