Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ted R. Massa | Kennametal | 3 |
| 2 | Lewis Ray Morrison | Kennametal | 2 |
| 2 | Allan R. Bakerink | Diebold | 2 |
| #4 | Frank Battaglia | Kennametal | 1 |
| #4 | Kent L. Reiner | Kennametal | 1 |
| #4 | Ruy Frota de Souza | Kennametal | 1 |
| #4 | John Joseph McManamy | — | 1 |
| #4 | Joseph P. Reardon | Hycomp | 1 |
| #4 | Peter R. Leicht | Kennametal | 1 |
Part of Pennsylvania