Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384833 | Voice-operated service | — | 1995-01-24 |
| 5146503 | Speech recognition | Paul C. Millar | 1992-09-08 |
| 4703480 | Digital audio transmission | Frederick A. Westall, Dominic Lee, Robert W. McLintock | 1987-10-27 |