Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488821 | Snap-on fastening device for hearing device | Holger Kral, Joseph Sauer | 2013-07-16 |
| 8213655 | Hearing device to be worn behind an ear | Holger Kral, Joseph Sauer | 2012-07-03 |