Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Don C. Rowlett | Kennametal | 6 |
| 2 | Donald E. Keller | Kennametal | 3 |
| 3 | Chad A. Swope | Kennametal | 2 |
| #4 | Shane E. Weyant | Creative Pultrusions | 1 |
| #4 | William P. Prezlock | Kennametal | 1 |
| #4 | Wayne C. Faupel | Green Garden Products Company | 1 |
Part of Pennsylvania