Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410517 | Method for cascading sweeps for a seismic vibrator | — | 1995-04-25 |
| 5384752 | Method for correcting a seismic source pulse waveform | Richard E. Duren | 1995-01-24 |
| 5347494 | Shaped-sweep technology | — | 1994-09-13 |