Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426115 | Method for making high-efficacy and long life electroluminescent phosphor | Chen-Wen Fan, Richard G. W. Gingerich | 2002-07-30 |
| 6361864 | Method for making high-efficacy and long life electroluminescent phophor | Chen-Wen Fan, Richard G. W. Gingerich | 2002-03-26 |