| Number | Name | Date | Kind |
|---|---|---|---|
| D301576 | Wang | Jun 1989 | S |
| D350939 | Rossman et al. | Sep 1994 | S |
| D350940 | Rossman et al. | Sep 1994 | S |
| D368893 | Harwood et al. | Apr 1996 | S |
| D382855 | Salmond et al. | Aug 1997 | S |
| D431529 | Giese | Oct 2000 | S |
| D444126 | Chura et al. | Jun 2001 | S |
| D446189 | Lee | Aug 2001 | S |
| D446503 | Lee | Aug 2001 | S |
| D458225 | Stekelenburg | Jun 2002 | S |
| D467875 | Barger et al. | Dec 2002 | S |
| D484098 | Lee | Dec 2003 | S |
| D484099 | Bettencourt | Dec 2003 | S |