Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681852 | Tubing hanger shuttle valve | Bhailal Parmar | 2004-01-27 |
| 6675900 | Crossover tree system | Edwin R. Knerr | 2004-01-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681852 | Tubing hanger shuttle valve | Bhailal Parmar | 2004-01-27 |
| 6675900 | Crossover tree system | Edwin R. Knerr | 2004-01-13 |