Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Marion B. Grant | Caterpillar | 3 |
| 2 | David J. Hakes | Caterpillar | 2 |
| 2 | Nick W. Biggs | Caterpillar | 2 |
| #4 | Miguel Gonzales | R. H. Tamlyn & Sons, Lp | 1 |
| #4 | Jaspen T. Patenaude | Caterpillar | 1 |
| #4 | Stephen C. Garnett | Caterpillar | 1 |
Part of Illinois