Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730422 | Backrest speakers with acoustic channels | Charles Oswald, Tobe Z. Barksdale, Muhammad Haris Usmani | 2020-08-04 |
| 10730423 | Vehicle headrest | Charles Oswald, Nicholas K. Lade | 2020-08-04 |