Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard E. Johnson | American National Can | 2 |
| 2 | Michael Lutgen | Minnesota Valley Engineering | 1 |
| 2 | A. Duane Preston | Mve | 1 |
| 2 | Ervin J. Bendzick | — | 1 |
Part of Minnesota
5 patents · 4 inventors · 1.1/1k pop.
Ranked #6,932 of 24,315 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard E. Johnson | American National Can | 2 |
| 2 | Michael Lutgen | Minnesota Valley Engineering | 1 |
| 2 | A. Duane Preston | Mve | 1 |
| 2 | Ervin J. Bendzick | — | 1 |
Part of Minnesota