Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Antonio Gutierrez | 6 | |
| 2 | Clarence Triggs | — | 2 |
| 2 | Randall W. Bonde | The Lee | 2 |
| 2 | Stephen B. Caird | Eaton | 2 |
| #5 | Donald E. Bunnell | — | 1 |
| #5 | Jason Christian Kobes | — | 1 |
| #5 | Barton L. Saylor | — | 1 |
| #5 | Alfonzo S. Rodriguez, Jr. | Unknown | 1 |
| #5 | Eldor A. Kintzi | — | 1 |
| #5 | Lambertus Heykants | — | 1 |
Part of Iowa