Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John E. Sensi | Ppg Industries | 2 |
| 1 | Thomas G. Rukavina | Ppg Industries Ohio | 2 |
| 1 | Joseph A. Tabacek | Gulf Research & Development | 2 |
| 1 | George R. Claassen | Ppg Industries | 2 |
| #5 | Warren E. Haupin | Aluminum Company Of America | 1 |
| #5 | Paul F. Duffer | Ppg Industries | 1 |
| #5 | Raymond P. Heilich | Aluminum Company Of America | 1 |
| #5 | Walter E. Pater | Ppg Industries | 1 |
| #5 | Peter S. Turano | — | 1 |
| #5 | Perry A. Foster, Jr. | Aluminum Company Of America | 1 |
| #5 | Kathleen M. Tomaswick | Alcoa | 1 |
| #5 | Harold F. Lewis | Creative Integrated Systems | 1 |
Part of Pennsylvania