Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Spilde | Sioux Steam Cleaner | 1 |
| 1 | John W. Finger | Sioux | 1 |
| 1 | Andrew F. Johnke | Ortloff Engineers | 1 |
Part of South Dakota
3 patents · 3 inventors · 1.5/1k pop.
Ranked #12,165 of 30,146 cities Top 45%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Spilde | Sioux Steam Cleaner | 1 |
| 1 | John W. Finger | Sioux | 1 |
| 1 | Andrew F. Johnke | Ortloff Engineers | 1 |
Part of South Dakota