Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790501 | Limited-play optical media with improved shelf-life and playability | Hendrik Theodorus van de Grampel, Jan-Pleun Lens, Marc Brian Wisnudel, Daniel R. Olson, Joe Parker +1 more | 2004-09-14 |
| 6771578 | Colored data storage media | Curtis Cradic, Steven R. Peak, Connie J. Bland | 2004-08-03 |
| 6716505 | Storage medium for data with improved dimensional stability | Irene Dris, Grant Hay, Hendrik Theodorus van de Grampel, Geert Boven | 2004-04-06 |