Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11483655 | Gain-adaptive active noise reduction (ANR) device | Joseph H. Cattell, Dale McElhone | 2022-10-25 |
| 11386882 | Computational architecture for active noise reduction device | Ricardo F. Carreras, Christopher J. Mulhearn, Joseph H. Cattell | 2022-07-12 |