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| Patents for William I. Ballentine | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,559,541 | Nov. 03, 1925 | W.I. Ballentine | Trailer for Tractors | tractor trailers | |
| 1,602,516 | Oct. 12, 1926 | W.I. Ballentine | Radiator | cooling apparatus | |
| 1,671,396 | May 29, 1928 | P.R. Thompson, W.I. Ballentine | Rein Guide | tractor steering apparatus | |
| 1,776,408 | Sep. 23, 1930 | P.R. Thompson, W.I. Ball | Hitch Mechanism for Tractors | tractor couplings and hitches | |