Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886621 | Liquid crystal phase | Michael K. Chambers, Reinhard Hittich, Georg Weber | 1989-12-12 |
| 4834906 | Smectic A liquid crystal compositions | David Coates, Anthony Bernard Davey, David I. Bishop, Andrew D. Pearson | 1989-05-30 |