Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956791 | Apparatus for receiving downhole acoustic signals | Anthony R. Dopf, Paul L. Camwell, Wendall Siemens | 2005-10-18 |
| 6902414 | Harsh environment rotatable connector | Anthony R. Dopf, David A. Switzer | 2005-06-07 |