Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649530 | Combination seismic cable | — | 1987-03-10 |
| 4496015 | Interchangeable drive means for a vehicle | Joe D. Shivers, Marek L. Rozycki, Otis A. Johnston | 1985-01-29 |
| 4296827 | Air-gun fire time sensor | Ben B. Thigpen | 1981-10-27 |
| 4281403 | Seismic data recording method and apparatus | Lee E. Siems | 1981-07-28 |