Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357764 | Submarine vehicle for dredging and raising minerals resting on the sea bed at great depths | Pierre Lemercier, Paul Marchal, Jean-Pierre Moreau, Jean Vertut | 1982-11-09 |