Patent US 4873568A
Jump to navigation
Jump to search
| Patent number | US 4873568A (click link for details and documents via Google Patents) |
|---|---|
| Title | Digital video effects apparatus |
| Inventors | Richard A. Jackson, John Abt, Ronnie D. Barnett |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1988-09-19 |
| Grant date | 1989-10-10 |