Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423477 | Method of manufacturing a stamper for producing optical discs, a stamper thus obtained and an optical disc obtained by using such a stamper | Thomas Wilhelmus Engelen, Walter Theodorus Matheus STALS | 2002-07-23 |