Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817143 | Device for connecting doors between two chambers isolated from the external medium | Jean-Yves Porret, Jean-Pierre Grimard | 2004-11-16 |
| 6793392 | Self closing bag | Jean-Yves Porret | 2004-09-21 |