Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9949607 | Self-propelled surface cleaning machine and method for operating a self-propelled surface cleaning machine | Juergen Merz, Frank Nonnenmann, Michael Oesterle | 2018-04-24 |
| 9367044 | Cleaning appliance in which access is granted based on an authorization carrier and authorization profile | Gilles Troff, Frank Stadelmann, Rainer Schaefer | 2016-06-14 |