Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157636 | Method of towing sources of seismic energy behind a vessel, and an arrangement for use in the method | — | 1992-10-20 |
| 5113376 | Method for conducting seismic surveys in waters covered with ice | — | 1992-05-12 |
| 4798156 | Arrangement for deployment of seismic cables | Jan-Age Langeland, Einar Gjestrum | 1989-01-17 |