Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Duane M. Gibson | Omark Industries | 2 |
| 2 | Emory D. Hungerford | Esco Group | 1 |
| 2 | Ralph J. Weaver | Hill-Rom Services | 1 |
| 2 | Robert Poirier | — | 1 |
| 2 | Van A. Gibson | — | 1 |
| 2 | Jack Wolfe | Ryobi Motor Products | 1 |
| 2 | Gerald E. Shefler | Code-A-Phone | 1 |
Part of Oregon