Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | REX A. RYSDAM | Amvac Chemical | 2 |
| 2 | David V. Rotole | John Deere | 1 |
| 2 | Jacob D. Kappelman | John Deere | 1 |
Part of Iowa
4 patents · 3 inventors · 1.5/1k pop.
Ranked #16,058 of 44,998 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | REX A. RYSDAM | Amvac Chemical | 2 |
| 2 | David V. Rotole | John Deere | 1 |
| 2 | Jacob D. Kappelman | John Deere | 1 |
Part of Iowa