Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David K. Camfield | Roadmaster | 6 |
| 2 | Loran R. Hill | Masco Corporation Of Indiana | 4 |
| 3 | Daniel F. Brashear | Roadmaster | 2 |
| 3 | Duane Niemeyer | Roadmaster | 2 |
| #5 | Loren E. Williams | Blaw-Know Construction Equipment | 1 |
| #5 | Craig A. Topp | Roadmaster | 1 |
Part of Illinois