Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862425 | Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system | Jacques Cretin, Daniel Saussier | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862425 | Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system | Jacques Cretin, Daniel Saussier | 1989-08-29 |