Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816788 | Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment | Donald H. Van Steenwyk, Hans S. Fairchild | 2004-11-09 |
| 6698516 | Method for magnetizing wellbore tubulars | Donald H. Van Steenwyk | 2004-03-02 |