Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267709 | Isokinetic resistance apparatus | Brent W. King, Ken Moore, Daren Paul Tremaine | 2001-07-31 |
| 5148875 | Method and apparatus for horizontal drilling | Haraldur Karlsson, James L. Hatten, John K. Aslakson | 1992-09-22 |
| 5074366 | Method and apparatus for horizontal drilling | Haraldur Karlsson, James L. Hatten, John K. Aslakson | 1991-12-24 |
| 5040601 | Horizontal well bore system | Haraldur Karlsson, James L. Hatten, John K. Aslakson | 1991-08-20 |