Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9641137 | Electric amplifier circuit for amplifying an output signal of a microphone | Wolfgang Duenser, Thomas Froehlich | 2017-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9641137 | Electric amplifier circuit for amplifying an output signal of a microphone | Wolfgang Duenser, Thomas Froehlich | 2017-05-02 |