Number | Name | Date | Kind |
---|---|---|---|
4011144 | Bachman | Mar 1977 | |
4880601 | Andermann et al. | Nov 1989 | |
5110765 | Bilakanti et al. | May 1992 | |
5462638 | Datta et al. | Oct 1995 | |
5466389 | Iiardi et al. | Nov 1995 | |
5491091 | Loshaek et al. | Feb 1996 |
Entry |
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CA abstract of JP 62-245526, Oct. 1987. |