| Number | Name | Date | Kind |
|---|---|---|---|
| D266855 | Yoshioka et al. | Nov 1982 | |
| D283711 | Deura et al. | May 1986 | |
| D331745 | Miyake et al. | Dec 1992 | |
| D341825 | Hamilton | Nov 1993 | |
| D346169 | Wannier et al. | Apr 1994 | |
| D387353 | Harrison et al. | Dec 1997 | |
| D392282 | Ahearn et al. | Mar 1998 | |
| D400872 | Ahearn et al. | Nov 1998 | |
| 5801918 | Ahearn et al. | Sep 1998 |