Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535293 | Method for geophysical prospecting using impulsine currents | Jean-Pierre Rocroi | 1985-08-13 |
| 4417210 | Method of geophysical prospection using transient currents | Jean-Pierre Rocroi | 1983-11-22 |
| 4321540 | Electric prospecting of the subsoil with lineal electrodes | Jean-Pierre Rocroi | 1982-03-23 |