Number | Date | Country | Kind |
---|---|---|---|
1-120434 | May 1989 | JPX | |
1-120435 | May 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4421571 | Kudo et al. | Dec 1983 | |
4459160 | Meetham et al. | Jul 1984 | |
4844864 | Frank | Jul 1989 |
Number | Date | Country |
---|---|---|
1919487 | Nov 1969 | DEX |
62-170444 | Jul 1987 | JPX |
01-062446 | Mar 1989 | JPX |
2105748 | Mar 1983 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 12, No. 15 (C-569)(2862), Jan. 16, 1988, of JP 62-170,445. |