Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Larry J. Lehtinen | Ferro | 5 |
| 2 | Lucas J. Lehtinen | — | 3 |
| 3 | Joseph Dren | — | 1 |
| 3 | Clark Lamppa | — | 1 |
| 3 | Rynold W. Pasch | — | 1 |
| 3 | Albert H. Sikich | — | 1 |
Part of Minnesota
12 patents · 6 inventors · 7.1/1k pop.
Ranked #49,208 of 111,555 cities Top 45%
Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Larry J. Lehtinen | Ferro | 5 |
| 2 | Lucas J. Lehtinen | — | 3 |
| 3 | Joseph Dren | — | 1 |
| 3 | Clark Lamppa | — | 1 |
| 3 | Rynold W. Pasch | — | 1 |
| 3 | Albert H. Sikich | — | 1 |
Part of Minnesota