Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John F. Grunewalder | Ppg Industries | 5 |
| 2 | James E. Sickles | Ppg Industries | 3 |
| 3 | Walter P. Barie, Jr. | Gulf Oil | 2 |
| 3 | Peter Nowakowski | Ppg Industries | 2 |
| #5 | Vernon G. Ammons | Ppg Industries | 1 |
| #5 | Kenneth T. Williamson, Jr. | Ppg Industries | 1 |
| #5 | Michael Leusch | Package Products | 1 |
Part of Pennsylvania