Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862422 | Method for determining the geometry of a multisource seismic wave emission device | — | 1989-08-29 |
| 4845686 | Method and device for determining the position of immersed objects with respect to the ship which tows them | — | 1989-07-04 |
| 4827456 | Method and device for determining the remote emission signature of a seismic emission assembly | — | 1989-05-02 |