Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065562 | System for imparting compressional and shear waves into the earth | James M. Bird, Jr., Michael G. Grady | 2000-05-23 |
| 5252785 | Broad band seismic vibrator | — | 1993-10-12 |
| 4751687 | Methods of reducing harmonic distortion in continuous wave seismic exploration | — | 1988-06-14 |