Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975438 | Optically variable surface pattern | Andreas Schilling, Rene Staub | 2005-12-13 |
| 6974218 | Retroflector | Andreas Schilling | 2005-12-13 |
| 6927885 | Label with a diffractive bar code and reading arrangement for such labels | Rene Staub, Andreas Schilling, Peter Gehr | 2005-08-09 |
| 6924934 | Diffractive safety element | Andreas Schilling, Rene Staub | 2005-08-02 |
| 6909547 | Security element with diffraction structures | Christoph Weiteneder | 2005-06-21 |
| 6906861 | Light-diffracting binary grating structure | Rene Staub, Andreas Schilling | 2005-06-14 |
| 6871788 | Coin provided with diffraction structures | Rene Staub, Andreas Hasler, Jakob Jütz, Martin Muller | 2005-03-29 |
| 6870678 | Surface pattern | Rene Staub | 2005-03-22 |