Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank A. Boylan | Westinghouse Electric | 1 |
| 1 | Paul E. Durbin | — | 1 |
| 1 | Benjamin Scott Patterson | Joy Global Underground Mining | 1 |
| 1 | Lawrence M. Krummert | Quanta Associates | 1 |
Part of Pennsylvania