Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871362 | Cover made of woven pile | Hubert Wiesner, Oliver Griebe | 2011-01-18 |
| 7266856 | Fabric-strip curtain for car wash installations | Hubert Wiesner, Oliver Griebe | 2007-09-11 |
| 7188386 | Manual cleaning device | Hubert Wiesner, Oliver Griebe | 2007-03-13 |
| 6681439 | Cleaning device | Hubert Wiesner, Oliver Griebe | 2004-01-27 |
| 6457890 | Device for cleaning flat objects | Hubert Wiesner, Ulrich Lersch, Oliver Griebe | 2002-10-01 |
| 5879094 | Wiper cushion | Ulrich Lersch, Hubert Wiesner, Oliver Griebe | 1999-03-09 |
| D398724 | Pad with fastening strips for cleaning floors | Ulrich Lersch, Hubert Wiesner | 1998-09-22 |
| D394922 | Pad with integrated micro-bristles | Ulrich Lersch, Hubert Wiesner | 1998-06-02 |
| D391709 | Pad for cleaning floors | Ulrich Lersch, Hubert Wiesner | 1998-03-03 |
| D389623 | Cleaning pad with liquid spray nozzle | Hubert Wiesner, Ulrich Lersch, Oliver Griebe | 1998-01-20 |
| 5599550 | Disposable, biodegradable, wax-impregnated dust-cloth | Hubert Wiesner, Ulrich Lersch | 1997-02-04 |