Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513580 | Portable playback device power management | Joshua Nicholas, Brenda Stefani, Liang Chai, Xiang Wang, Edwin Joseph Fitzpatrick, III +1 more | 2022-11-29 |
| 11513581 | Portable playback device power management | Liang Chai, Xiang Wang, Brenda Stefani, Lyford Beverage, Jr., Edwin Joseph Fitzpatrick, III | 2022-11-29 |