| Number | Name | Date | Kind |
|---|---|---|---|
| D304366 | Meyers | Oct 1989 | |
| D305929 | Ikeda et al. | Feb 1990 | |
| D306063 | Chiu et al. | Feb 1990 | |
| D308413 | Wong | Jun 1990 | |
| D309656 | Lee | Jul 1990 | |
| D320441 | Muller | Oct 1991 | |
| D328342 | Pasch et al. | Jul 1992 | |
| D330074 | Wang et al. | Oct 1992 | |
| D348728 | O'Grady et al. | Jul 1994 | |
| D349334 | O'Grady et al. | Aug 1994 | |
| D349566 | O'Grady | Aug 1994 | |
| D350191 | Tsuji | Aug 1994 | |
| D358874 | Cunning | May 1995 | |
| D359552 | Chiu et al. | Jun 1995 | |
| D368770 | Tanner et al. | Apr 1996 | |
| D374279 | Chiu et al. | Oct 1996 | |
| 5421844 | Chiu | Jun 1995 |