Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419854 | Long persistence red phosphors and method of making | Diane Zaremba | 2002-07-16 |
| 6379584 | Long persistence alkaline earth sulfide phosphors | Diane Zaremba | 2002-04-30 |
| 6346326 | Coated moisture impervious red phosphors | — | 2002-02-12 |