Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11533564 | Headphone ear cushion attachment mechanism and methods for using | Ronald W. Roberts, Dieter Rapitsch | 2022-12-20 |
| 11523207 | Cable retraction mechanism for headphone devices | Dieter Rapitsch | 2022-12-06 |