Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253217 | Method for seismic exploration including compensation for near surface effects | Tom P. Airhart | 1993-10-12 |
| 4980874 | Method and apparatus for maximizing seismic shear wave production | — | 1990-12-25 |