Patent US 4694286A
| Patent number | US 4694286A (click link for details and documents via Google Patents) |
|---|---|
| Title | Apparatus and method for modifying displayed color images |
| Inventors | Gar A. Bergstedt |
| Company | Tektronix Inc |
| Filing date | 1983-04-08 |
| Grant date | 1987-09-15 |