Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9197955 | Microphone unit | — | 2015-11-24 |
| 9107007 | Microphone unit | — | 2015-08-11 |
| 8223881 | Transmitter and receiver for a wireless audio transmission system | Rolf Meyer, Gerrit Buhe | 2012-07-17 |