Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225500 | Sensor apparatus and self-propelled floor cleaning appliance having a sensor apparatus | Ralph Diehl, Gottfried Benzler, Jakob Janzen | 2007-06-05 |
| 7055210 | Floor treatment system with self-propelled and self-steering floor treatment unit | Jochen Math, Roger Skoumal | 2006-06-06 |
| 7053578 | Floor treatment system | Ralph Diehl, Roger Skoumal, Gottfried Benzler | 2006-05-30 |