Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834725 | Reinforced swelling elastomer seal element on expandable tubular | James Whanger | 2004-12-28 |
| 6708767 | Downhole tubing | Paul David Metcalfe, Frederick T. Tilton | 2004-03-23 |