Number | Date | Country | Kind |
---|---|---|---|
1-122624 | May 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3452009 | Wendler | Jun 1969 | |
4136192 | Buckle et al. | Jan 1979 | |
4629492 | Pews | Dec 1986 | |
4758262 | Shapiro | Jul 1988 | |
4961775 | Takatsuto et al. | Oct 1990 |
Number | Date | Country |
---|---|---|
0190945 | Aug 1986 | EPX |
2127982 | Dec 1972 | DEX |
2392951 | Dec 1978 | FRX |
1380089 | Aug 1975 | GBX |
1597831 | Sep 1981 | GBX |
Entry |
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Japanese Abstracts of Japan, vol. 5, No. 195, 1981 Ishihara Sangyo. |