| Number | Date | Country | Kind |
|---|---|---|---|
| 1996-1752 | Aug 1996 | CAX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D305096 | Tench et al. | Dec 1989 | |
| D336029 | Ragland et al. | Jun 1993 | |
| D349227 | Ragland et al. | Aug 1994 | |
| 4761882 | Silverstein | Aug 1988 | |
| 4897920 | Dunbar | Feb 1990 | |
| 4939839 | Gorst | Jul 1990 | |
| 5042154 | Gilbert | Aug 1991 | |
| 5426855 | Keklak et al. | Jun 1995 |