Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10345340 | Voltage sensing device | Mark Gravermann, Friedrich A. Busemann, Bernd Schubert, Gerhard Lohmeier, Andreea Sabo +6 more | 2019-07-09 |
| 10215778 | Voltage Sensor | Mark Gravermann, Sebastian Eggert, Michael Petry, Werner Roehling, Friedrich A. Busemann +9 more | 2019-02-26 |