Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889781 | Process and apparatus for producing a black matrix layer | Volker Gerstle | 1989-12-26 |
| 4473488 | Process for reclaiming rare-earth metallic oxide and/or rare-earth metallic oxysulfide phosphors | Heinz Beckerle, Volker Gerstle | 1984-09-25 |
| 4409306 | Method of preparing a phosphor suspension | Volker Gerstle, Rolf Zondler | 1983-10-11 |