Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert L. Sills | Putco | 2 |
| 2 | Philip David Cox | John Deere | 1 |
| 2 | Lee A. Johnson | John Deere | 1 |
Part of Iowa
4 patents · 3 inventors · 1.7/1k pop.
Ranked #7,941 of 24,315 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert L. Sills | Putco | 2 |
| 2 | Philip David Cox | John Deere | 1 |
| 2 | Lee A. Johnson | John Deere | 1 |
Part of Iowa