Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kelsey C. Thom, Jr. | California Pellet Mill | 4 |
| 2 | Heath L. Hartwig | Consolidated Process Machinery | 2 |
| 2 | Thomas M. Harris | Tenneco Automotive Operating Company | 2 |
| #4 | Errol Olsen | Fluid Management | 1 |
| #4 | Gary L. Vander Molen | Alliedsignal | 1 |
| #4 | Dale Grinstead | Clemson University | 1 |
| #4 | Douglas L. Sevey | The University Of Northern Iowa | 1 |
| #4 | Robert J. White | Peak International | 1 |
Part of Iowa