Patent US 4583825A
| Patent number | US 4583825A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electro-optic display system with improved viewing angle |
| Inventors | Thomas S. Buzak |
| Company | Tektronix Inc |
| Filing date | 1983-12-27 |
| Grant date | 1986-04-22 |