Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph O. Duchac | — | 1 |
| 1 | James F. Frechette, Jr. | — | 1 |
| 1 | William L. Kopecko | — | 1 |
| 1 | Ernest Kalve | — | 1 |
Part of Wisconsin
4 patents · 4 inventors · 0.5/1k pop.
Ranked #4,506 of 15,417 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph O. Duchac | — | 1 |
| 1 | James F. Frechette, Jr. | — | 1 |
| 1 | William L. Kopecko | — | 1 |
| 1 | Ernest Kalve | — | 1 |
Part of Wisconsin