Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David V. Rotole | John Deere | 3 |
| 2 | Jacob D. Kappelman | John Deere | 2 |
| 3 | REX A. RYSDAM | Amvac Chemical | 1 |
Part of Iowa
6 patents · 3 inventors · 2.2/1k pop.
Ranked #12,488 of 41,746 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David V. Rotole | John Deere | 3 |
| 2 | Jacob D. Kappelman | John Deere | 2 |
| 3 | REX A. RYSDAM | Amvac Chemical | 1 |
Part of Iowa