Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Matthew Wendell Schroeder | Stellar Industries | 9 |
| 2 | Lynn Barkema | — | 1 |
| 2 | Homer D. Wireman | Eaton | 1 |
| 2 | Robert Pliley | — | 1 |
| 2 | Jeremy Ryan Woodland | Sukup Manufacturing | 1 |
| 2 | Reid T. Hendrikson | — | 1 |
Part of Iowa