Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478534 | Apparatus for preparing ultra-pure nitrogen | Jean Louise, Jean-Yves Thonnelier, Daniel Gary | 1995-12-26 |
| 5238670 | Process for preparing ultra-pure nitrogen | Jean Louise, Jean-Yves Thonnelier, Daniel Gary | 1993-08-24 |