Top Inventors at Extrel All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ross C. Willoughby | 3 |
| 2 | Richard L. Myers | 2 |
| 3 | Wade L. Fite | 2 |
| #4 | Edward L. McCall | 1 |
| #5 | James D. Buchner | 1 |
| #6 | Richard T. Brackmann | 1 |
| #7 | Stephen M. Penn | 1 |
| #8 | Suhas Narayan Ketkar | 1 |
| #9 | Sanjai K. Bijawat | 1 |