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| Patents for Pioneer Mfg. Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 1,851,142 | Mar. 29, 1932 | H.E. Welbourne | Implement hitch | tractor couplings and hitches | |
| 1,935,870 | Nov. 21, 1933 | A. Blatz, Jr. | Milking machine | ||