Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852978 | Liquid crystal cell utilizing a ferroelectric liquid crystal having a natural pitch length is no longer than the longest wavelength of visible light | Matthew Bone | 1989-08-01 |
| 4834906 | Smectic A liquid crystal compositions | David Coates, David I. Bishop, Andrew D. Pearson, Ian C. Sage | 1989-05-30 |
| 4799775 | Ferroelectric liquid crystal cells having a helical liquid crystal structure | William Crossland, Matthew Bone | 1989-01-24 |