Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shelley D. Sturdevant | Ppg Industries Ohio | 2 |
| 1 | Gary J. Marietti | Ppg Industries Ohio | 2 |
| 3 | John M. Benedict | Tollgrade Communications | 1 |
| 3 | John S. Frick | — | 1 |
| 3 | Anthony N. Duryea | Leybold Inficon | 1 |
| 3 | Thomas Palaika | Ppg Industries Ohio | 1 |
| 3 | William S. Cunningham | Ppg Industries Ohio | 1 |
| 3 | Evelyn D. Perrett | Ppg Industries Ohio | 1 |
Part of Pennsylvania