Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nicholas J. Stein | Crown Equipment | 6 |
| 2 | Steve Carlton | Enviroscrub Technologies | 3 |
| 3 | Sean Patrick O'Bryan | Landis+Gyr Innovations | 2 |
| 3 | Steven C. Carlton | Enviroscrub Technologies | 2 |
Part of Minnesota