| Number | Name | Date | Kind |
|---|---|---|---|
| D330074 | Wang et al. | Oct 1992 | |
| D337634 | Copland et al. | Jul 1993 | |
| D357310 | Chiu et al. | Apr 1995 | |
| D358461 | Barker et al. | May 1995 | |
| D362906 | Chiu et al. | Oct 1995 | |
| D374921 | Jane et al. | Oct 1996 | |
| D382635 | Jane et al. | Aug 1997 | |
| D385342 | Jane et al. | Oct 1997 | |
| D388162 | Chiu et al. | Dec 1997 | |
| D401316 | Allen et al. | Nov 1998 | |
| D402021 | Allen et al. | Dec 1998 |