Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272883 | Plant for separation of a gas mixture by distillation | Bernard Darredeau, Jean-Yves Lehman | 2001-08-14 |
| 6205815 | Plant for separation of a gas mixture by distillation | Bernard Darredeau, Jean-Yves Lehman | 2001-03-27 |