Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987430 | Organic semiconductor device based on phthalocyanine | Christian Clarisse, Michel Le Contellec | 1991-01-22 |
| 4261799 | Electrolytic process for generating erasable pictures on a solid substrate | Paul Anizan, Yvon Bessonnat | 1981-04-14 |