Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874544 | Ferroelectric liquid crystals | Bak G Yong, Barth Petra, Demus Dietrich, Joachimi Detlev, Barbara Kampa +9 more | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874544 | Ferroelectric liquid crystals | Bak G Yong, Barth Petra, Demus Dietrich, Joachimi Detlev, Barbara Kampa +9 more | 1989-10-17 |