Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640902 | Nested stack-down casing hanger system for subsea wellheads | Robert B. Baten, Harold Brian Skeels, David Campbell Macfarlane, Russell McBeth, Randy J. Wester | 2003-11-04 |
| 6557638 | Concentric tubing completion system | Christopher E. Cunningham, Christopher D. Bartlett, Russell McBeth, Robert B. Baten | 2003-05-06 |