Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5522418 | Differential pressure operated gas lift valve | Larry Johnson | 1996-06-04 |
| 5334925 | Nickel cadmium battery deep cycler device | — | 1994-08-02 |
| 5211842 | Three-phase well test apparatus using pumped recirculation to maintain homogenous flow | Bernard M. Tuss | 1993-05-18 |