Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988160 | Cleaning cart | Falk Lindner, Jens Deerberg, Tortsen Gratzki, Dietmar Schaule | 2011-08-02 |
| 7954197 | Mop-head plate comprising mop cover | Falk Lindner, Michael Masih, Torsten Gratzki | 2011-06-07 |
| 7917989 | Mop system, wringer device and mop | Jens Deerberg, Torsten Gratzki | 2011-04-05 |