Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael J. Trenkamp | — | 1 |
| 1 | Loras F. Gravel | — | 1 |
| 1 | Kenneth Hermsen | Barnstead/Thermolyne | 1 |
Part of Iowa
3 patents · 3 inventors · 0.7/1k pop.
Ranked #8,571 of 22,654 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael J. Trenkamp | — | 1 |
| 1 | Loras F. Gravel | — | 1 |
| 1 | Kenneth Hermsen | Barnstead/Thermolyne | 1 |
Part of Iowa