Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ted R. Massa | Kennametal | 8 |
| 2 | James P. Materkowski | Kennametal | 2 |
| 2 | Richard J. Ravas | Delco Electronics | 2 |
| #4 | Joseph P. Reardon | Hycomp | 1 |
| #4 | William M. Melago | Kennametal | 1 |
| #4 | Phillip B. Hunter | Usx | 1 |
| #4 | Jack Krall | — | 1 |
| #4 | Rodger Plyler | — | 1 |
| #4 | Lyman J. Petrosky | Westinghouse Electric | 1 |
Part of Pennsylvania