| Number | Name | Date | Kind |
|---|---|---|---|
| D347348 | Chen | May 1994 | S |
| D354192 | Ross et al. | Jan 1995 | S |
| D355092 | Swopes | Feb 1995 | S |
| D386642 | Schneider | Nov 1997 | S |
| D409869 | Marusak | May 1999 | S |
| 6880611 | Nien | Apr 2005 | B2 |
| D578332 | Chen | Oct 2008 | S |
| D581712 | Chen | Dec 2008 | S |
| D594262 | McNiel | Jun 2009 | S |