Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815120 | Alkaline earth metal silicate luminophores and method for improving the long term stability thereof | Wolfgang Kempfert, Sylke Rösler, Sven Rösler, Cheng-Jun Duan | 2014-08-26 |