Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877995 | Electroluminescent display device using hydrogenated and carbonated amorphous silicon | Ionel Solomon | 1989-10-31 |
| 4808880 | Display means with memory effect comprising thin electroluminescent and photoconductive films | — | 1989-02-28 |