Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andrew F. Johnke | Ortloff Engineers | 3 |
| 1 | John W. Finger | Sioux | 3 |
| 1 | Brad Hyronimus | Sioux | 3 |
| #4 | John D. Preheim | Raven Industries | 2 |
| #5 | Sean Coffman | Full-Swing Golf | 1 |
Part of South Dakota
12 patents · 5 inventors · 5.5/1k pop.
Ranked #8,176 of 41,746 cities Top 20%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andrew F. Johnke | Ortloff Engineers | 3 |
| 1 | John W. Finger | Sioux | 3 |
| 1 | Brad Hyronimus | Sioux | 3 |
| #4 | John D. Preheim | Raven Industries | 2 |
| #5 | Sean Coffman | Full-Swing Golf | 1 |
Part of South Dakota