Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James L. Wheat | Prescription Tillage Technology | 3 |
| 1 | Dave Butler | First Data | 3 |
| 1 | David Patterson | Conagra | 3 |
| #4 | Terry Wright | — | 1 |
| #4 | Richard A. Hummel | — | 1 |
| #4 | John W Dieleman | — | 1 |
Part of Iowa