Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681362 | Forward error correction for video signals | Liston Abbott | 2004-01-20 |
| 6046775 | Recovering data from a vestigial sideband of a standard television signal | Liston Abbott, Edward Coley Fox | 2000-04-04 |
| 5909253 | Reducing video crosstalk in a data carrier located within a vestigial sideband of a standard television signal | Liston Abbott | 1999-06-01 |
| 5315617 | QAM encoding for high-definition television system | Allan A. Guida | 1994-05-24 |
| 5177611 | Method and apparatus for canceling quadrature distortion as for video signals having in-phase and quadrature phase components | James J. Gibson | 1993-01-05 |
| 5029003 | Apparatus for incorporating digital signals with a standard TV signal | — | 1991-07-02 |
| 4958230 | Method of transmitting auxiliary information in a television signal | James J. Gibson, Theodor M. Wagner | 1990-09-18 |
| 4879606 | EDTV recording apparatus | James M. Walter, Robert E. Flory | 1989-11-07 |