Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332509 | Riser pipe system for collecting and raising petroleum produced from an underwater deposit | Christian Athe, Jean-Paul Aubert | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332509 | Riser pipe system for collecting and raising petroleum produced from an underwater deposit | Christian Athe, Jean-Paul Aubert | 1982-06-01 |