Issued Patents 2025
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12302050 | Headphones | Allen T. Graff, Zhen Xu | 2025-05-13 |
| 12294823 | Pivot attachment for headphones | Allen T. Graff, Zhen Xu, Daniel P. Baker | 2025-05-06 |
| 12273674 | Headphones | Allen T. Graff, Zhen Xu, Daniel P. Baker | 2025-04-08 |