Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759420 | Production of partially metallised grating structures | Beat Nauer | 1998-06-02 |
| 5207855 | Apparatus for sticking on stamps from an embossing foil | Alex Nyfeler, Michael Wessner | 1993-05-04 |
| 5104471 | Interlaminar sandwich with diffraction structure | Gregor Antes | 1992-04-14 |