Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875522 | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device | Myron Seto, Edgar Müller, Claude-Alain Despland | 2005-04-05 |