Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert F. Pike | Ppg Industries | 1 |
| 1 | Raymond A. Waksmunski | Ppg Industries | 1 |
| 1 | Terry L. Wolfe | Ppg Industries | 1 |
| 1 | William D. Reader | Ppg Industries | 1 |
| 1 | Glenn C. Hetrick | — | 1 |
| 1 | John Nassif | — | 1 |
Part of Pennsylvania