Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871788 | Coin provided with diffraction structures | Wayne Robert Tompkin, Rene Staub, Andreas Hasler, Martin Muller | 2005-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871788 | Coin provided with diffraction structures | Wayne Robert Tompkin, Rene Staub, Andreas Hasler, Martin Muller | 2005-03-29 |