Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald J. Arndt | Progress Rail Services | 11 |
| 2 | Dennis Kent Oberhelman | — | 1 |
| 2 | Don Arndt | Progress Rail Services | 1 |
| 2 | Donna Gwen Oberhelman | — | 1 |
Part of Missouri
14 patents · 4 inventors
Ranked #46,010 of 111,555 cities Top 45%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald J. Arndt | Progress Rail Services | 11 |
| 2 | Dennis Kent Oberhelman | — | 1 |
| 2 | Don Arndt | Progress Rail Services | 1 |
| 2 | Donna Gwen Oberhelman | — | 1 |
Part of Missouri