Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440196 | Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation | Remo Chiappini, Jean-Pierre Fontaine, Michel Hamonet | 2002-08-27 |