Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969144 | Adaptive passband echo canceller | Steven R. Blackwell, Steven E. Turner, Michael D. Turner | 1990-11-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969144 | Adaptive passband echo canceller | Steven R. Blackwell, Steven E. Turner, Michael D. Turner | 1990-11-06 |