Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148875 | Method and apparatus for horizontal drilling | Haraldur Karlsson, Gary E. Jacques, James L. Hatten | 1992-09-22 |
| 5074366 | Method and apparatus for horizontal drilling | Haraldur Karlsson, Gary E. Jacques, James L. Hatten | 1991-12-24 |
| 5040601 | Horizontal well bore system | Haraldur Karlsson, Gary E. Jacques, James L. Hatten | 1991-08-20 |