Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9926695 | Toilet cleaner with variable product dispension | Hans-Georg Muehlhausen | 2018-03-27 |
| 9212476 | Applicator for gel-like toilet bowl-cleaning products directly on the surface of the toilet bowl | Hans-Georg Mühlhausen | 2015-12-15 |
| 6934973 | Dispensing device for dispensing an active-substance fluid into the flushing liquid in a toilet bowl | Lutz Graesser, Hans-Georg Muehlhausen, Ronald Menke, Frank Pessel, Ralph Butter-Jentsch | 2005-08-30 |