Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012854 | Pressure release valve for a subsea blowout preventer | — | 1991-05-07 |
| 4488176 | Method of and apparatus for modifying a video signal to inhibit recording thereof | Yuan Li, Leslie J. Crane | 1984-12-11 |
| 4425483 | Echo cancellation using transversal filters | Pok F. Lee | 1984-01-10 |
| 4396946 | Transmission of data with a video signal | — | 1983-08-02 |
| 4390898 | Scrambling and unscrambling video signals in a pay TV system | Yuan Li, Leslie J. Crane | 1983-06-28 |