Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John A. Catanese | Westinghouse Electric | 2 |
| 2 | Frank Calandra, Jr. | Jennmar | 1 |
| 2 | Robert H. Montgomery, Jr. | Kennametal | 1 |
| 2 | Karl-Heinz Berger | Bochumer Eisenhütte Heintzmann | 1 |
Part of Pennsylvania