Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Peter Paul Gregar | Wabtec Holding | 4 |
| 2 | Rodney Corder | Easydial | 3 |
| 3 | Connie France Webster | — | 1 |
| 3 | William Swan | Bethlehem Steel | 1 |
| 3 | Robert Kallay | — | 1 |
| 3 | Nenad Vidojevic | C. Cretors & | 1 |
Part of Indiana