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US Patent: 1,648,737
Internal Combustion Engine
Patentee: Harold E. McCray (exact or similar names) - Waterloo, Black Hawk County, IA USPTO Classifications: 123/152, 184/13.1 Tool Categories: 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: Nov. 08, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for John Deere

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