Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert M. Vize | Caterpillar | 2 |
| 2 | Joseph J. Gende | — | 1 |
| 2 | David J. Wolak | John Deere | 1 |
| 2 | Marsha A. Markin | — | 1 |
| 2 | Gerald T. Underwood | John Deere | 1 |
| 2 | Lawrence P. Markin | — | 1 |
| 2 | Bernard F. Vogelaar | John Deere | 1 |
| 2 | Jack C. Wiley | John Deere | 1 |
| 2 | Norman P. Lillybeck | Modern Equipment Co. | 1 |
Part of Illinois