Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Thomas J. Tokach | Clark Equipment | 3 |
| 2 | Roy Luedtke, Jr. | Pioneer (Corteva) | 1 |
| 2 | Michael J. Holmes | Energy And Environmental Research Center Foundation | 1 |
| 2 | Sherman A. Quanbeck | — | 1 |
| 2 | Cletus Regner | — | 1 |
| 2 | Robert Vogel | — | 1 |
Part of North Dakota