Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11700501 | Systems and methods of adjusting bass levels of multi-channel audio signals | Hilmar Lehnert, Aurelio Ramos | 2023-07-11 |
| 11545948 | Playback device group volume control | Neil Griffiths, Luis R. Vega Zayas | 2023-01-03 |