Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Bothum | — | 1 |
| 1 | Ralph F. Stanford | Elkay Manufacturing | 1 |
| 1 | Ronald H. Widenhoefer | Fleetguard | 1 |
| 1 | Donald R. Christensen | Grass Valley Limited | 1 |
| 1 | Jeffrey L. Sullivan | American Regent | 1 |
| 1 | Dale D. Elvebak | — | 1 |
Part of Minnesota