Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562477 | Heat sealing composition, use thereof and closure plug made from said composition | Jean-Pierre Leon, Jean-Michel Pierrot | 2003-05-13 |
| 5852854 | Plug for closing any opening and method of manufacturing this plug | Jean-Michael Pierrot, Jean-Pierre Leon | 1998-12-29 |