Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Preheim | Raven Industries | 2 |
| 2 | John W. Finger | Sioux | 1 |
| 2 | Andrew F. Johnke | Ortloff Engineers | 1 |
| 2 | Brad Hyronimus | Sioux | 1 |
| 2 | Sean Coffman | Full-Swing Golf | 1 |
Part of South Dakota
6 patents · 5 inventors
Ranked #13,332 of 43,611 cities Top 35%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Preheim | Raven Industries | 2 |
| 2 | John W. Finger | Sioux | 1 |
| 2 | Andrew F. Johnke | Ortloff Engineers | 1 |
| 2 | Brad Hyronimus | Sioux | 1 |
| 2 | Sean Coffman | Full-Swing Golf | 1 |
Part of South Dakota