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US Patent: 1,625,043
Internal Combustion Engine
Patentee: Harold E. McCray (exact or similar names) - Waterloo, Black Hawk County, IA USPTO Classifications: 123/195R, 123/73A, 290/1C Tool Categories: propulsion and energy : internal combustion engines : ignition systems Assignees: John Deere Tractor Co. - Waterloo, Black Hawk County, IA Manufacturer: John Deere Tractor Co. - Waterloo, Black Hawk County, IA Witnesses: Unknown	Patent Dates: Applied: Feb. 15, 1923 Granted: Apr. 19, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for John Deere
Description: Original application filed 15 Feb, 1923. Divided and this application files 27 Apr, 1925.

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