Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426115 | Method for making high-efficacy and long life electroluminescent phosphor | Richard G. W. Gingerich, Dale E. Benjamin | 2002-07-30 |
| 6364951 | Moisture insensitive electroluminescent phosphor | Richard G. W. Gingerich | 2002-04-02 |
| 6361864 | Method for making high-efficacy and long life electroluminescent phophor | Richard G. W. Gingerich, Dale E. Benjamin | 2002-03-26 |