Number | Name | Date | Kind |
---|---|---|---|
D274851 | Schmitz | Jul 1984 | |
D290053 | Block | May 1987 | |
D290054 | Block | May 1987 | |
4586208 | Trevarthen | May 1986 | |
4667364 | Meili | May 1987 | |
4934017 | Kent | Jun 1990 | |
4967064 | Field et al. | Oct 1990 | |
5044043 | Basham et al. | Sep 1991 | |
5109566 | Kobayashi et al. | May 1992 |