| Number | Date | Country | Kind |
|---|---|---|---|
| 59-027604 | Jul 1984 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D253705 | Felix et al. | Dec 1979 | |
| D266519 | Genaro et al. | Oct 1982 | |
| D280826 | Kuroki | Oct 1985 | |
| 3570431 | Fresard | Mar 1971 | |
| 3744443 | Current | Jul 1973 | |
| 4077339 | Bass et al. | Mar 1978 | |
| 4080913 | Arendash et al. | Mar 1978 |