Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans Hagen | Unknown | 1 |
| 1 | Michael N. Zenner | The Toro | 1 |
| 1 | Robert Janssen | Padco | 1 |
Part of Minnesota
3 patents · 3 inventors
Ranked #7,847 of 20,767 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans Hagen | Unknown | 1 |
| 1 | Michael N. Zenner | The Toro | 1 |
| 1 | Robert Janssen | Padco | 1 |
Part of Minnesota