Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Frei | Volm Companies | 2 |
| 1 | Zoltan Ezer | Plaspack U.S.A. | 2 |
| 1 | Corbett Hefner | Volm Companies | 2 |
Part of Wisconsin
6 patents · 3 inventors · 0.7/1k pop.
Ranked #12,691 of 42,968 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Frei | Volm Companies | 2 |
| 1 | Zoltan Ezer | Plaspack U.S.A. | 2 |
| 1 | Corbett Hefner | Volm Companies | 2 |
Part of Wisconsin