Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D685481 | Hearing device | Frank Naumann | 2013-07-02 |
| D684698 | Hearing instrument | Frank Naumann | 2013-06-18 |
| D684699 | Hearing device | Frank Naumann, Steven Rose, Frank Schumann | 2013-06-18 |
| D684700 | Hearing device | Frank Naumann, Steven Rose, Frank Schumann | 2013-06-18 |
| D674490 | Hearing device | John Bailey, Frank Naumann, Steven Rose | 2013-01-15 |
| D674491 | Hearing device | John Bailey, Frank Naumann, Steven Rose | 2013-01-15 |