Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333709 | Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture | Jean-Claude Dubois, Annie Zann, Michel Hareng | 1982-06-08 |