| Number | Date | Country | Kind |
|---|---|---|---|
| 4 06 06 548 | Dec 2006 | DE | national |
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| D437812 | Lai | Feb 2001 | S |
| D537389 | Beigel | Feb 2007 | S |
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| D561661 | Platto et al. | Feb 2008 | S |
| D564425 | Okue | Mar 2008 | S |