Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718244 | Method for operating a device for providing a liquid additive | ROLF BRUECK | 2020-07-21 |
| 10590821 | Method for checking the function of at least one PTC heating element | Peter Bauer | 2020-03-17 |