Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252790 | Zinc sulfide electroluminophores and method for production thereof | Frank Kappe, Benedikt Ahlers, Arnim Franz-Burgholz, Detlef Starick, Monika Voh | 2007-08-07 |
| 7067071 | Zinc sulfide electroluminophores and method for production thereof | Frank Kappe, Benedikt Ahlers, Arnim Franz-Burgholz, Detlef Starick, Monika Voh | 2006-06-27 |