Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9440211 | Process for catalyst activation | Stephen Kevin Lee, Brent R. Walworth | 2016-09-13 |
| 9192906 | Catalyst activator | Stephen Kevin Lee, Brent R. Walworth | 2015-11-24 |
| 9034057 | Catalyst activation process | Stephen Kevin Lee, Brent R. Walworth | 2015-05-19 |
| 4549400 | Electro-hydraulic engine throttle control | — | 1985-10-29 |