Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary A. Kudrna | Medora Environmental | 2 |
| 1 | Joel J. Bleth | Medora Environmental | 2 |
| 1 | Willard R. Tormaschy | Medora Environmental | 2 |
| #4 | Ronald J. Crail | Medora Environmental | 1 |
| #4 | Jonathan L. Zent | Medora Environmental | 1 |
Part of North Dakota