Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jonathan T. Martz | Ppg Industries Ohio | 7 |
| 2 | W. Thomas Urmson, Jr. | Portec Rail Products | 3 |
| 3 | Gary R. Orosz | Ppg Industries Ohio | 2 |
| #4 | Debra J. Dorisio Deininger | Mine Safety Appliances Company | 1 |
| #4 | Brian Stein | Ism Co. | 1 |
Part of Pennsylvania