Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11126243 | Portable playback device power management | Xiang Wang, Brenda Stefani, Lyford Beverage, Jr., Allan Velzy, Edwin Joseph Fitzpatrick, III | 2021-09-21 |
| 11093016 | Portable playback device power management | Joshua Nicholas, Brenda Stefani, Xiang Wang, Allan Velzy, Edwin Joseph Fitzpatrick, III +1 more | 2021-08-17 |