Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard W. Kizer | Caterpillar | 2 |
| 2 | John W. Bridwell | Caterpillar | 1 |
| 2 | Keith A. Stoller | Towmotor | 1 |
| 2 | Stuart L. Rice | Caterpillar | 1 |
| 2 | James McGrew | Caterpillar | 1 |
| 2 | William M. Doane | USDA | 1 |
Part of Illinois