Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834906 | Smectic A liquid crystal compositions | David Coates, Anthony Bernard Davey, Andrew D. Pearson, Ian C. Sage | 1989-05-30 |
DB
David I. Bishop
Overall (1989): #123,919 of 140,708Top 90%
1
Patents 1989