Number | Date | Country | Kind |
---|---|---|---|
62-34141 | Feb 1987 | JPX | |
62-332467 | Dec 1987 | JPX | |
62-332468 | Dec 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4136158 | Okuda et al. | Jan 1979 | |
4202871 | Matsumoto et al. | May 1980 | |
4382822 | Mayer | May 1983 | |
4497723 | Ohlinger et al. | Feb 1985 | |
4597958 | Takagi et al. | Jul 1986 |
Number | Date | Country |
---|---|---|
61-14138 | Jan 1986 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 11, No. 132 (C-417) (2579) Apr. 24, 1987. |