Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715020 | Simultaneous performance of multiple seismic vibratory surveys | — | 1987-12-22 |
| 4567583 | Adaptive preset force level control for a seismic vibrator | — | 1986-01-28 |
| 4516230 | Protective drive-level limiter for an electro-hydraulic vibrator | Kent J. Goodloe | 1985-05-07 |
| 4344158 | Noise-suppression method | Juan B. Vallhonrat, Paul M. Perry | 1982-08-10 |