Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681213 | Headphone device, audio device, and method for operating a headphone device | — | 2017-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681213 | Headphone device, audio device, and method for operating a headphone device | — | 2017-06-13 |