Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dan Raap | Amesbury Group | 4 |
| 2 | Leroy B. Stumpe | Sioux Steel | 1 |
| 2 | David P. Groeneveld | Climate | 1 |
Part of South Dakota
6 patents · 3 inventors
Ranked #12,488 of 41,746 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dan Raap | Amesbury Group | 4 |
| 2 | Leroy B. Stumpe | Sioux Steel | 1 |
| 2 | David P. Groeneveld | Climate | 1 |
Part of South Dakota