Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043800 | Method and apparatus for keying a digital video signal | Mark R. Andrews, David Levy | 1991-08-27 |
| 4979022 | Processing of color video signals | Mark R. Andrews, David Levy | 1990-12-18 |
| 4951145 | Method and apparatus for keying TV signals | Mark R. Andrews, David Levy | 1990-08-21 |