Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edward J. Stofka | Ppg Industries | 2 |
| 2 | Marlin S. Heilman | Vascor | 1 |
| 2 | Joseph A. Klanica | Ppg Industries | 1 |
| 2 | Charles K. Edge | Ppg Industries | 1 |
| 2 | George Davis | Western Electric Company | 1 |
Part of Pennsylvania