Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835431 | Fluorescent composition for the manufacture of CD-ROM type optical memory disks | Eugene Levich, Irene Zuhi | 2004-12-28 |
| 6721257 | Multilayer recordable optical medium with fluorescent reading | Eugene Kapinus, Irene Zuhl, Jacob Malkin, Eugene Levich, Vladimir Schwartz | 2004-04-13 |
| 6682799 | Organic recording medium for fluorescent worm disks | Irene Zuhl, Eugene Levich, Arkady Khaikin | 2004-01-27 |