Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882207 | Ferroelectric liquid crystal cells | David Coates | 1989-11-21 |
| 4852978 | Liquid crystal cell utilizing a ferroelectric liquid crystal having a natural pitch length is no longer than the longest wavelength of visible light | Anthony Bernard Davey | 1989-08-01 |
| 4824217 | Compounds for ferroelectric liquid crystal devices | Lawrence K. Chan, David Coates, Peter A. Gemmell, George W. Gray, David Lacey +4 more | 1989-04-25 |
| 4799775 | Ferroelectric liquid crystal cells having a helical liquid crystal structure | William Crossland, Anthony Bernard Davey | 1989-01-24 |