| Number | Name | Date | Kind |
|---|---|---|---|
| 6018883 | Mulhauser | Feb 2000 | A |
| D421368 | Lai | Mar 2000 | S |
| D427857 | Mulhauser et al. | Jul 2000 | S |
| D462881 | Mulhauser et al. | Sep 2002 | S |
| D572984 | Jossem et al. | Jul 2008 | S |
| D608603 | Hauser | Jan 2010 | S |
| D609981 | Jossem et al. | Feb 2010 | S |
| D672211 | Nie | Dec 2012 | S |