Patent US 4758880A
| Patent number | US 4758880A (click link for details and documents via Google Patents) |
|---|---|
| Title | Video matte generator |
| Inventors | Grant T. McFetridge |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1987-03-27 |
| Grant date | 1988-07-19 |
| Patent number | US 4758880A (click link for details and documents via Google Patents) |
|---|---|
| Title | Video matte generator |
| Inventors | Grant T. McFetridge |
| Company | The Grass Valley Group, Inc. |
| Filing date | 1987-03-27 |
| Grant date | 1988-07-19 |