Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David V. Rotole | John Deere | 7 |
| 2 | Nathan A. Chaney | John Deere | 2 |
| 3 | REX A. RYSDAM | Amvac Chemical | 1 |
| 3 | Jacob D. Kappelman | John Deere | 1 |
Part of Iowa
11 patents · 4 inventors · 4.1/1k pop.
Ranked #9,148 of 44,107 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David V. Rotole | John Deere | 7 |
| 2 | Nathan A. Chaney | John Deere | 2 |
| 3 | REX A. RYSDAM | Amvac Chemical | 1 |
| 3 | Jacob D. Kappelman | John Deere | 1 |
Part of Iowa