Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11164554 | Wearable active noise reduction (ANR) device having low frequency feedback loop modulation | David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell | 2021-11-02 |
| 11062688 | Placement of multiple feedforward microphones in an active noise reduction (ANR) system | — | 2021-07-13 |