Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Terry Foley | Holden'S Foundation Seeds | 4 |
| 2 | David C. Harper II | Holden'S Foundation Seeds | 2 |
| 2 | Donald G. Eggerling | Holden'S Foundation Seeds | 2 |
| #4 | Jon E. Kinzenbaw | Kinze Manufacturing | 1 |
| #4 | Robert O. Iburg | — | 1 |
| #4 | Dale L. Barglof | White Consolidated Industries | 1 |
| #4 | Ira C. Nissley | — | 1 |
| #4 | Todd E. Kniffen | Maytag | 1 |
Part of Iowa