Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343098 | Apparatus for mining nodules beneath the sea | Pierre Balligand, Pierre Lemercier, Paul Marchal, Jean Vertut | 1982-08-10 |
| 4338043 | Method for depositing material on the ocean bed and apparatus for performing the same | Pierre Biancale, Pierre Lemercier, Jean-Pierre Moreau, Jean Vertut | 1982-07-06 |