Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7101423 | Respiratory air filter | Petro Nicolis | 2006-09-05 |
| 6457890 | Device for cleaning flat objects | Gregor Kohlruss, Hubert Wiesner, Oliver Griebe | 2002-10-01 |
| 5879094 | Wiper cushion | Gregor Kohlruss, Hubert Wiesner, Oliver Griebe | 1999-03-09 |
| D398724 | Pad with fastening strips for cleaning floors | Gregor Kohlruss, Hubert Wiesner | 1998-09-22 |
| D394922 | Pad with integrated micro-bristles | Gregor Kohlruss, Hubert Wiesner | 1998-06-02 |
| D391709 | Pad for cleaning floors | Gregor Kohlruss, Hubert Wiesner | 1998-03-03 |
| D389623 | Cleaning pad with liquid spray nozzle | Gregor Kohlruss, Hubert Wiesner, Oliver Griebe | 1998-01-20 |
| 5599550 | Disposable, biodegradable, wax-impregnated dust-cloth | Gregor Kohlruss, Hubert Wiesner | 1997-02-04 |