Patent US 4648119A
| Patent number | US 4648119A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for forming 3×3 pixel arrays and for performing programmable pattern contingent modifications of those arrays |
| Inventors | Perry E. Wingfield, Bruce E. Petrick |
| Company | Tektronix Inc |
| Filing date | 1985-03-18 |
| Grant date | 1987-03-03 |