Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David R. Hinton | Caterpillar | 3 |
| 2 | Jeffrey Devall | Stant Manufacturing | 1 |
| 2 | Joanne Elam | — | 1 |
| 2 | Richard Grabiel | Archer-Daniels-Midland | 1 |
| 2 | Kirk Cravens | Holden'S Foundation Seeds | 1 |
| 2 | Thomas Gottemoller | Archer-Daniels-Midland | 1 |
Part of Illinois