Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Preheim | Raven Industries | 4 |
| 2 | Zachary T. Pramann | Kooima Company | 1 |
| 2 | Timothy Eldred Kilmer | — | 1 |
Part of South Dakota
6 patents · 3 inventors
Ranked #12,691 of 42,968 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Preheim | Raven Industries | 4 |
| 2 | Zachary T. Pramann | Kooima Company | 1 |
| 2 | Timothy Eldred Kilmer | — | 1 |
Part of South Dakota