Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12282373 | Portable playback device power management | Brenda Stefani, Liang Chai, Xiang Wang, Allan Velzy, Edwin Joseph Fitzpatrick, III +1 more | 2025-04-22 |
| 11809257 | Portable playback device power management | Brenda Stefani, Liang Chai, Xiang Wang, Allan Velzy, Edwin Joseph Fitzpatrick, III +1 more | 2023-11-07 |
| 11513580 | Portable playback device power management | Brenda Stefani, Liang Chai, Xiang Wang, Allan Velzy, Edwin Joseph Fitzpatrick, III +1 more | 2022-11-29 |
| 11093016 | Portable playback device power management | Brenda Stefani, Liang Chai, Xiang Wang, Allan Velzy, Edwin Joseph Fitzpatrick, III +1 more | 2021-08-17 |