Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609567 | Tubing hanger with lateral feed-through connection | Patrick J. Zimmerman | 2003-08-26 |
| 6550551 | Apparatus to actuate a downhole tool | David J. Brunnert, Thurman H. Carter, David M. Haugen, David W. Teale | 2003-04-22 |