Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jeffrey M. Gosnell | Unknown | 1 |
| 1 | Robert L. Shelby | Caterpillar | 1 |
| 1 | Lester W. Switzer, Sr. | Unknown | 1 |
| 1 | Larry D. Yargus | Unknown | 1 |
| 1 | Lloyd A. Yargus | Unknown | 1 |
| 1 | Darrell J. Spires | Unknown | 1 |
Part of Illinois