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| Patents for John Deere Tractor Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,625,043 | Apr. 19, 1927 | H.E. McCray | Internal Combustion Engine | ignition systems | |
| 1,648,737 | Nov. 08, 1927 | H.E. McCray | Internal Combustion Engine | ||
| 1,803,120 | Apr. 28, 1931 | H.E. McCray | Internal Combustion Engine | ||
| 2,222,274 | Nov. 19, 1940 | A.K. Antonsen | Fuel System for Internal Combustion Engines | fuel primers | |