Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343001 | Acoustic multi-mode logging device adapted to decouple noise within a semi-rigid receiver array | Christopher S. Cowles, Jacques P. Leveille, Paul James Hatchell, Robert D. Clifton | 1994-08-30 |
| 5289433 | Acoustic multi-mode wide-band logging device | Christopher S. Cowles, Jacques P. Leveille, Paul James Hatchell, Robert D. Clifton | 1994-02-22 |