Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David W. Smith | Townsend Engineering | 2 |
| 1 | Janos Szanyi | Ppg Industries Ohio | 2 |
| 3 | Robert J. Gephardt | Ats | 1 |
| 3 | Raymond K. Houck | Suprex | 1 |
| 3 | Patricia R. Athey | Ppg Industries Ohio | 1 |
| 3 | David F. McLaughlin | Westinghouse Electric | 1 |
| 3 | Richard G. Critchlow | Medrad | 1 |
| 3 | Luke A. Kutilek | Ppg Industries Ohio | 1 |
| 3 | Reza Stegamat | Nano-C | 1 |
| 3 | Roy B. Steidley | Aluminum Company Of America | 1 |
Part of Pennsylvania