Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658895 | Carbon nitride coating for optical media discs | Val Lieberman, Yasuo Yamazaki | 2003-12-09 |
| 6533569 | Interchangeable cavity ring for CD molds | Michael J. Selems, Alexander I. Kara | 2003-03-18 |