Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689616 | Automatic language identification/verification system | — | 1997-11-18 |
| 5305421 | Low bit rate speech coding system and compression | — | 1994-04-19 |
| 4720863 | Method and apparatus for text-independent speaker recognition | Edwin H. Wrench, Jr. | 1988-01-19 |