Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William T. Urmson, Jr. | Portec Rail Products | 2 |
| 2 | John H. Reno, II | Bacharach | 1 |
| 2 | Joseph W. Kozora | — | 1 |
| 2 | W. Thomas Urmson, Jr. | Portec Rail Products | 1 |
| 2 | Joseph G. Weiland | Agr International | 1 |
| 2 | Harlan W. Simons | Products Unlimited | 1 |
Part of Pennsylvania