Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352042 | Luminescent screens for flat image display devices | Rolf Wengert | 1982-09-28 |
| 4325002 | Luminescent screen for flat image display devices | Manfred Kobale, Kaspar Weingand, Rolf Wengert | 1982-04-13 |