Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406207 | Pump for discharging doses of liquid, gel-like or viscous substances | Georg Wiegner | 2002-06-18 |
| 6360398 | Toothbrush having an exchangeable bristle plate | Georg Wiegner | 2002-03-26 |