Dufrost, CA ranks #73,575 worldwide for total patents filed all time, with 4 patents from 3 inventors. Leading employers of inventors based in Dufrost, CA include Unknown, GE.
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | ROBERT LAFRANCE | — | 2 |
| 2 | Willi Hesse | Unknown | 1 |
| 2 | Michael Procca | GE | 1 |