Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343098 | Apparatus for mining nodules beneath the sea | Yves-Paul Corfa, Pierre Lemercier, Paul Marchal, Jean Vertut | 1982-08-10 |
| 4231171 | Method and apparatus for mining nodules from beneath the sea | Yves-Paul Corfa, Pierre Lemercier, Paul Marchal, Jean Vertut | 1980-11-04 |
| 4196531 | Independent unit for the collection and upward transfer of nodules which rest on an underwater bed | Pierre Biancale, Jean-Paul Jacquemin, Michel Rommens | 1980-04-08 |