| Number | Name | Date | Kind |
|---|---|---|---|
| D303439 | Savio et al. | Sep 1989 | |
| D307081 | Allen | Apr 1990 | |
| D321723 | Lack | Nov 1991 | |
| D324701 | Capps | Mar 1992 | |
| D331055 | Massey et al. | Nov 1992 | |
| D348263 | Veeneman | Jun 1994 | |
| D385306 | Joffe et al. | Aug 1986 | |
| 4434359 | Watanabe | Feb 1984 | |
| 4818854 | Davies et al. | Apr 1989 |