Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874986 | Trichromatic electroluminescent matrix screen, and method of manufacture | Roger Menn, Dario Pecile | 1989-10-17 |
| 4829213 | Flat electroluminescent screen | Dario Pecile, Roger Menn | 1989-05-09 |