Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003590 | Encoding an optical video disc to inhibit video tape recording | Graham S. Stubbs, Eugene Leonard | 1991-03-26 |
| 4709256 | Wide screen composite video signal encoder and standard aspect ratio decoder having barst and subcarrier components of different frequencies | Kerns H. Powers | 1987-11-24 |
| 4672424 | Progressively scanned television system with reduced chrominance bandwidth | — | 1987-06-09 |