Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger L. Day | Sesqui Mining, Llc. | 2 |
| 2 | Leonard H. Switzer | American Shale Oil | 1 |
| 2 | Ronald K. Spencer | Power Line Sentry | 1 |
| 2 | Kevin Nye | — | 1 |
Part of Colorado
5 patents · 4 inventors · 0.5/1k pop.
Ranked #13,340 of 40,593 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger L. Day | Sesqui Mining, Llc. | 2 |
| 2 | Leonard H. Switzer | American Shale Oil | 1 |
| 2 | Ronald K. Spencer | Power Line Sentry | 1 |
| 2 | Kevin Nye | — | 1 |
Part of Colorado