Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119531 | System for joining by interengagement comprising interengaging elements formed by ridges with elastically deformable lips, in particular curvilinear | Michel Berger, Helie De Pourtales, Helie De Noailles | 1992-06-09 |