Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard A. Arnold | The Shivvers Group | 5 |
| 2 | Robert Alan Gunzenhauser | Pioneer (Corteva) | 4 |
| 3 | Stephen Thatcher | The Shivvers Group | 2 |
| #4 | Louis L. Niday | — | 1 |
| #4 | Alvin Arnold | — | 1 |
Part of Iowa
13 patents · 5 inventors · 28.0/1k pop.
Ranked #47,534 of 111,555 cities Top 45%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard A. Arnold | The Shivvers Group | 5 |
| 2 | Robert Alan Gunzenhauser | Pioneer (Corteva) | 4 |
| 3 | Stephen Thatcher | The Shivvers Group | 2 |
| #4 | Louis L. Niday | — | 1 |
| #4 | Alvin Arnold | — | 1 |
Part of Iowa