Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428858 | Composition based on liquid crystal for electro-optical device | Jacques Cognard, Jurgen Markert | 1984-01-31 |
| 4376715 | Composition based on liquid crystal for electro-optical device | Jacques Cognard | 1983-03-15 |
| 4358392 | Liquid crystal-base composition for an electro-optical device | Jacques Cognard | 1982-11-09 |