Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223004 | Method for producing oxygen by adsorption separation from air | Sylvie Eteve, Leon Hay | 1993-06-29 |
| 5078757 | Process for the production of gaseous oxygen under pressure | Sylvie Eteve, Leon Hay | 1992-01-07 |