Patent Grant
D352487
| Number | Name | Date | Kind |
|---|---|---|---|
| D253642 | Amarger | Dec 1979 | |
| D290941 | Matsuda | Jul 1987 | |
| D317427 | Enoki et al. | Jun 1991 | |
| D326438 | Tsukagoshi et al. | May 1992 | |
| 4724878 | Kabe et al. | Feb 1988 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 814921 | Dec 1991 |
