Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852977 | 19 -hydroxy carboxylic acid derivatives suitable for use in liquid crystal materials and devices | Lawrence K. Chan, David Coates, Peter A. Gemmell, George W. Gray, David Lacey +1 more | 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 |