Patent US 4823189A
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| Patent number | US 4823189A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for creating a dither pattern |
| Inventors | Doug Haines, Patrick E. Welborn |
| Company | Tektronix Inc |
| Filing date | 1987-05-08 |
| Grant date | 1989-04-18 |