Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831599 | Float for use in seismic surveys of the sea bed | Inge Dragsund | 1989-05-16 |
| 4828223 | Cable handling apparatus | Michael Russell | 1989-05-09 |
| 4798156 | Arrangement for deployment of seismic cables | Jan-Age Langeland, Rolf Bjerkoy | 1989-01-17 |