Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dayne E. Baird | — | 1 |
| 1 | Steven D. Shirk | Kennametal | 1 |
| 1 | John W. Stonebraker, Sr. | — | 1 |
| 1 | Daniel P. Stonebraker | — | 1 |
| 1 | David F. McCready | Unknown | 1 |
| 1 | John W. Ratzesberger | — | 1 |
| 1 | Donald L. Beaver, Jr. | Halenhardy | 1 |
Part of Pennsylvania