Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598678 | Apparatus and methods for separating and joining tubulars in a wellbore | Kevin O. Trahan | 2003-07-29 |
| 6578630 | Apparatus and methods for expanding tubulars in a wellbore | David M. Haugen | 2003-06-17 |
| 6536525 | Methods and apparatus for forming a lateral wellbore | David M. Haugen, Frederick T. Tilton, Kevin L. Gray, Robert P. Badrak, David J. Brunnert | 2003-03-25 |