Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph R. Byrum | Stine Seed Farm | 6 |
| 2 | Ronald L. Barnes | Ncr | 5 |
| 3 | Vincent L. Basile, II | Townsend Engineering | 2 |
| #4 | Perry Klein | — | 1 |
| #4 | Radford Harrell | Osborn Medical | 1 |
| #4 | Gregory Anderson | Carl Zeiss Meditec Ag | 1 |
| #4 | Mark Novak | Rab Lighting | 1 |
| #4 | Gary A. Sandahl | Pioneer (Corteva) | 1 |
| #4 | Ronald K. Grooters | Pilling | 1 |
| #4 | Mark S. Nesbit | Aventis Pharma S.A. | 1 |
| #4 | Matthias Liebergesell | Pioneer (Corteva) | 1 |
| #4 | Brad T. Mcavoy | Townsend Engineering | 1 |
| #4 | Scott A. Mundell | Pioneer (Corteva) | 1 |
| #4 | Mitchell C. Tarczynski | Pioneer (Corteva) | 1 |
| #4 | Boris S. Khots | Compressor Controls | 1 |
| #4 | Roger C. Crum | Department Of Agriculture | 1 |
| #4 | Daniel W. Pfeffer | Townsend Engineering | 1 |
Part of Iowa