Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659983 | Device for filling in a trench dug in the sea bed in order to cover a pipe laid down in the trench | Alain Coutarel | 1997-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659983 | Device for filling in a trench dug in the sea bed in order to cover a pipe laid down in the trench | Alain Coutarel | 1997-08-26 |