Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Larry Graham | Haverfield International Incorporated | 8 |
| 2 | Matthew J. Hughes | Jwf Industries | 4 |
| 3 | Michael L. Tims | Concurrent Technologies | 2 |
| 3 | Daniel C. Helsel | Unknown | 2 |
| #5 | Thomas M. DiMuzio | Cq | 1 |
| #5 | Franklin D. Saylor | — | 1 |
Part of Pennsylvania