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US Patent: 1,989,891
Fuel Injection Device
Patentee: Carl G. Sprado (exact or similar names) - Milwaukee, WI USPTO Classifications: 123/504, 417/218, 417/294, 417/298, 92/13, 92/60 Tool Categories: propulsion and energy : internal combustion engines : oil engines Assignees: Allis-Chalmers Co. - Milwaukee, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 09, 1926 Granted: Feb. 05, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Allis-Chalmers Manufacturing Co.

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