Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875544 | Transducer for inducing seismic signals into an elastic medium | — | 1989-10-24 |
| 4848512 | Vibratory seismic source | — | 1989-07-18 |
| 4819759 | Telescoping actuator for impulsive seismic source | — | 1989-04-11 |
| 4804062 | Baseplate assembly for seismic wave generator | — | 1989-02-14 |
| 4803669 | Three-component three-dimensional seismic data acquisition | — | 1989-02-07 |
| 4799572 | Amphibious seismic source | — | 1989-01-24 |