Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459360 | Di-functional surfactants for enhanced oil recovery | Gary A. Pope, Upali P. Weerasooriya, Quoc P. Nguyen | 2013-06-11 |
| 6121225 | Stable aqueous enzyme compositions | Geoffrey Russell, Allen M. Nielsen | 2000-09-19 |
| 5150988 | Combination vibrator, aerator, and liquid-injection system | Paul Powell | 1992-09-29 |