Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117402 | Support stand for marine vibrator | Michael Sanders | 1992-05-26 |
| 5054878 | Device for source compensating a fiber optic coupler output | John S. Gergely | 1991-10-08 |
| 4885726 | Compound hydraulic seismic source vibrator | — | 1989-12-05 |
| 4881210 | Torsionally rigid support apparatus for marine seismic transducer | Jack H. Cole | 1989-11-14 |
| 4881211 | Multiple frequency range hydraulic actuator | — | 1989-11-14 |
| 4853905 | Seal for marine seismic source | — | 1989-08-01 |
| 4785431 | Broad-band hydraulic vibrator | — | 1988-11-15 |