Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676736 | Process for introducing a filling gas into an enclosure and installation for employing same | — | 1997-10-14 |
| 4981499 | Process and plant for separating a gaseous mixture by adsorption | Leon Hay, Guy Simonet | 1991-01-01 |