Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Spilde | Sioux Steam Cleaner | 1 |
| 1 | Andrew F. Johnke | Ortloff Engineers | 1 |
Part of South Dakota
2 patents · 2 inventors · 1.0/1k pop.
Ranked #14,972 of 30,730 cities Top 50%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Spilde | Sioux Steam Cleaner | 1 |
| 1 | Andrew F. Johnke | Ortloff Engineers | 1 |
Part of South Dakota