Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708766 | Wellhead assembly for communicating with the casing hanger annulus | — | 2004-03-23 |
| 6705401 | Ported subsea wellhead | Kevin G. Buckle, John H. Osborne, Bernard Humprey, Alfred Massie | 2004-03-16 |