Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39434 | Method of manufacturing a stamper for producing optical discs, a stamper thus obtained and an optical disc obtained by using such a stamper | Thomas Wilhemus Engelen, Walter Theodorus Matheus STALS | 2006-12-19 |
| 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 |