Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11012775 | Audio system with limited array signals | Jeffery R. Vautin, Nicholas K. Lade | 2021-05-18 |
| 10926678 | Headrest speakers with asymmetric radiation patterns | Charles Oswald, Tobe Z. Barksdale | 2021-02-23 |