Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger Freeman | Nunhems B.V. | 18 |
| 2 | William Gardner | — | 11 |
| 3 | Jose Perales | — | 3 |
| #4 | Stanley C. Howe | — | 1 |
| #4 | Carl A. Munn | — | 1 |
| #4 | Juan Carlos BREVIS ACUNA | Nunhems B.V. | 1 |
| #4 | Ernie W. Howe | — | 1 |
Part of Oregon