Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309071 | Zinc sulfide electroluminescent phosphor particles and electroluminescent lamp made therefrom | Aaron Wold | 1994-05-03 |
| 5306441 | Method of preparing fluoroplogopite phosphor | Vaddi B. Reddy, Shellie K. Northrop | 1994-04-26 |
| 5294368 | Method of making a composite electroluminescent phosphor | Richard G. W. Gingerich | 1994-03-15 |