Patent US 4947256A
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| Patent number | US 4947256A (click link for details and documents via Google Patents) |
|---|---|
| Title | Adaptive architecture for video effects |
| Inventors | David G. S. Wood, Mark Baldassari |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1989-04-26 |
| Grant date | 1990-08-07 |