Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dennis L. Trusty | Clark Equipment | 3 |
| 2 | Virgil Ervin Fischer | — | 1 |
| 2 | Ervin W. Fischer | — | 1 |
| 2 | Gerald J. Axtman | Unknown | 1 |
| 2 | Patrick Kuhn | Clark Equipment | 1 |
| 2 | Wallace T. Wheeler | The Texacone | 1 |
| 2 | Oryn B. Wagner | Clark Equipment | 1 |
| 2 | Jane Marie Simmons | AT&T | 1 |
Part of North Dakota