Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065644 | Method for exciting piezoelectric transducers and sound-producing arrangement | — | 2021-07-20 |
| 9852619 | Communication device for an ultrasonic appliance, and method for operating such an appliance | — | 2017-12-26 |
| 9656299 | Method and circuit arrangement for determining a working range of an ultrasonic vibrating unit | Xenia Bruhn | 2017-05-23 |