Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674430 | Lithium borosilicate phosphors | Ronald E. Karam | 1997-10-07 |
| 5656199 | Terbium or europium activated highly charged fluoropholopite phosphor | Ronald E. Karam | 1997-08-12 |
| 5609792 | Phosphor and method of making same | Ronald E. Karam | 1997-03-11 |
| 5597511 | Phosphor and method of making same | Ru-Yi Qi, Ronald E. Karam | 1997-01-28 |