Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John Walvatne | Unverferth Manufacturing Co. | 2 |
| 2 | Grant M. Ubben | John Deere | 1 |
| 2 | Jacob J. Foxen | John Deere | 1 |
Part of Iowa
4 patents · 3 inventors · 2.0/1k pop.
Ranked #16,058 of 44,998 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John Walvatne | Unverferth Manufacturing Co. | 2 |
| 2 | Grant M. Ubben | John Deere | 1 |
| 2 | Jacob J. Foxen | John Deere | 1 |
Part of Iowa