Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743494 | Recording medium for optical data storage devices, method for producing said recording medium and optical data storage device with a corresponding recording layer | Atanas Zafirov, Jana Bakardjieva-Eneva | 2004-06-01 |