Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11205437 | Acoustic echo cancellation control | Xianxian Zhang | 2021-12-21 |
| 11175372 | Beam rejection in multi-beam microphone systems | William Folwell Barton, Kenneth Edgar Hild, II, Kavitha Velusamy, Amit Singh Chhetri | 2021-11-16 |