Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Alex Simkovich | Concurrent Technologies | 2 |
| 2 | Robert A. Erickson | Kennametal | 1 |
| 2 | Linn R. Andras | Kennametal | 1 |
| 2 | Thomas G. Ryan | Epic Metals | 1 |
| 2 | Edward J. Oles | Kennametal | 1 |
| 2 | Stanley P. Turcheck, Jr. | Fmc | 1 |
Part of Pennsylvania