Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830469 | Liquid crystalline color display cell having a phosphorescent substrate and U.V.-absorbing dichroic dye | Hendrik Adrianus Van Sprang | 1989-05-16 |
PB
Paulus Adrianus Breddels
Overall (1989): #71,526 of 140,708Top 55%
1
Patents 1989