Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Byron James Friesen | Harvest International | 4 |
| 1 | Garry D. Friesen | Harvest International | 4 |
| 3 | James Boettcher | Emc Ip Holding Company | 2 |
| 3 | Stephen J. Anderson | Bank of America | 2 |
| #5 | Cordell R. Burton | Pella | 1 |
| #5 | Nathan L. Greiner | Dmi Companies | 1 |
Part of Iowa