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