Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Larry M. Miller | — | 1 |
| 1 | Timothy R. McMillen | New Pig | 1 |
| 1 | Steven M. Umstead | — | 1 |
| 1 | Vaughn R. Imler | Ppg Industries | 1 |
| 1 | George R. LaVanish | — | 1 |
| 1 | George H. Umstead | — | 1 |
| 1 | C. Edward Brown | Ppg Industries Ohio | 1 |
Part of Pennsylvania