Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222616 | Metal sealing or closure cap with tear line | Guy Druesne | 1993-06-29 |
| 5103989 | Method of producing a non-cutting tear-off line and the products obtained | Guy Druesne | 1992-04-14 |
| 5012942 | Easily cut aluminium closure capsule | Guy Druesne | 1991-05-07 |