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US Patent: 863,516
Carbureter
Patentee: William E. Downing (exact or similar names) - Des Plaines, Cook County, IL USPTO Classifications: 261/50.2 Tool Categories: propulsion and energy : internal combustion engines : carburetors Assignees: None Manufacturer: Downing Engine Works - Des Plaines, Cook County, IL Witnesses: Unknown	Patent Dates: Applied: Nov. 16, 1905 Granted: Aug. 13, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Downing Engine Works

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