Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9148733 | Hearing aid with improved localization | Karl-Fredrik Johan Gran, Guilin Ma | 2015-09-29 |
| 8638960 | Hearing aid with improved localization | Karl-Fredrik Johan Gran, Guilin Ma | 2014-01-28 |