Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank R. Kinnan | Underground Technologies | 21 |
| 2 | Bret E. Ross | — | 1 |
| 2 | Keith A. Kinnan | The Charles Machine Works | 1 |
Part of Oregon
23 patents · 3 inventors
Ranked #36,395 of 111,555 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank R. Kinnan | Underground Technologies | 21 |
| 2 | Bret E. Ross | — | 1 |
| 2 | Keith A. Kinnan | The Charles Machine Works | 1 |
Part of Oregon