| Number | Name | Date | Kind |
|---|---|---|---|
| D309293 | Helbig, Jr. | Jul 1990 | |
| D323489 | Harris, Jr. et al. | Jan 1992 | |
| D340036 | Connors et al. | Oct 1993 | |
| D367472 | Clark et al. | Feb 1996 | |
| D374661 | Mieki et al. | Oct 1996 | |
| 4705211 | Honda et al. | Nov 1987 | |
| 4812632 | Kakinuma et al. | Mar 1989 | |
| 4968873 | Dethloff et al. | Nov 1990 | |
| 5015830 | Masuzawa et al. | May 1991 |