Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622238 | Process for the production of bulky, fibrous textile sheet materials | Gunter Franz, Michel Passler | 1986-11-11 |
| 4559243 | Absorbent planar structure and method of its manufacture | Michel Passler | 1985-12-17 |