Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609255 | Liquid crystal display with twist angle less than 80 degrees | Frans Leenhouts | 1986-09-02 |
| 4447132 | Liquid crystal display device | — | 1984-05-08 |
| 4286266 | Display device | Johannes L. A. M. Heldens | 1981-08-25 |
| 4264149 | Liquid crystal display device | Theodorus Lathouwers | 1981-04-28 |