Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Klay E. Gilbert | Weber Aircraft | 15 |
| 2 | Wade J. Walterscheid | Paccar | 12 |
| 3 | Bruce Bezner | Paccar | 6 |
| #4 | Steve Bell | Weber Aircraft | 2 |
| #4 | Thomas A. Parks | — | 2 |
| #6 | Mark Joseph Menzie | Paccar | 1 |
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