Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Charles E. Powers | — | 1 |
| 1 | Donald L. Fredericksen | — | 1 |
Part of Iowa
2 patents · 2 inventors · 2.5/1k pop.
Ranked #87,345 of 111,555 cities Top 80%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Charles E. Powers | — | 1 |
| 1 | Donald L. Fredericksen | — | 1 |
Part of Iowa