Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231171 | Method and apparatus for mining nodules from beneath the sea | Pierre Balligand, Yves-Paul Corfa, Pierre Lemercier, Jean Vertut | 1980-11-04 |
| 4204340 | Installation for treating a product in a gaseous medium | Guy Doucin | 1980-05-27 |