Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484100 | Seismic surveying | Nico Zuurbier | 2002-11-19 |
| 5548562 | Method for synchronization of systems for seismic surveys, together with applications of the method | Per Helgerud | 1996-08-20 |