Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jonathan L. Zent | Medora Environmental | 2 |
| 1 | Joel J. Bleth | Medora Environmental | 2 |
| 1 | Willard R. Tormaschy | Medora Environmental | 2 |
| 1 | Douglas P. Walter | Medora Environmental | 2 |
| 1 | Thomas P. Steffes | Steffes | 2 |
| #6 | Todd C. Mayer | Steffes | 1 |
| #6 | Austin P. Zeller | Steffes | 1 |
| #6 | Paul J. Steffes | Steffes | 1 |
| #6 | Chad Allison Nicol | — | 1 |
| #6 | Dean A. Kovash | Steffes | 1 |
Part of North Dakota