Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617142 | Method and apparatus for changing the compression level of a compressed digital signal | — | 1997-04-01 |
| 5606612 | Method and apparatus for television signal scrambling using a line expansion technique | John Griffin, David Grubb | 1997-02-25 |