Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10349802 | Method for calibrating a cleaning device | Ingo Gerhard Wiegand | 2019-07-16 |
| 10238265 | Cleaning device having an energy store | Bruno Gaus, Wendelin Hils, Stefan Scheringer | 2019-03-26 |