Issued Patents All Time
Showing 201–201 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221978 | Liquid-crystal display device having rotationally symmetrical iso-contrast curves | Ingrid E. J. R. Heynderickx, Dirk Jan Broer | 1993-06-22 |
Showing 201–201 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221978 | Liquid-crystal display device having rotationally symmetrical iso-contrast curves | Ingrid E. J. R. Heynderickx, Dirk Jan Broer | 1993-06-22 |