Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7055210 | Floor treatment system with self-propelled and self-steering floor treatment unit | Joachim Keppler, Jochen Math | 2006-06-06 |
| 7053578 | Floor treatment system | Ralph Diehl, Joachim Keppler, Gottfried Benzler | 2006-05-30 |