Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759146 | Method for undermining an immersed ground and for generating an ascending water current, and device for implementing such a method | Armel Jego | 1988-07-26 |
| 4554712 | Safety hooks | — | 1985-11-26 |