Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247541 | Method of drive pipe replacements on offshore platforms | George Virgil LeJeune | 2001-06-19 |
| 6073696 | Method and assembly for treating and producing a welbore using dual tubing strings | — | 2000-06-13 |