| Number | Name | Date | Kind |
|---|---|---|---|
| D219383 | Fox | Dec 1970 | S |
| D259933 | Foggia et al. | Jul 1981 | S |
| D277476 | Foggia et al. | Feb 1985 | S |
| D306027 | Gagnon | Feb 1990 | S |
| D306859 | Helstab et al. | Mar 1990 | S |
| D312461 | Ando | Nov 1990 | S |
| D317920 | Fuqua et al. | Jul 1991 | S |
| D340057 | Wetzel et al. | Oct 1993 | S |
| D348470 | Nagele et al. | Jul 1994 | S |
| D388102 | Yoneyama | Dec 1997 | S |
| D413332 | Delhaes | Aug 1999 | S |
| D417222 | Johnson et al. | Nov 1999 | S |
| D480390 | Miao et al. | Oct 2003 | S |
| D482679 | Hillenmayer | Nov 2003 | S |
| D486829 | Wang et al. | Feb 2004 | S |
| D511770 | Chung | Nov 2005 | S |
| D541264 | Emmett et al. | Apr 2007 | S |