Number | Name | Date | Kind |
---|---|---|---|
4443577 | Higgins et al. | Apr 1984 | |
5087661 | Aoki et al. | Feb 1992 | |
5288797 | Khalil et al. | Feb 1994 |
Number | Date | Country |
---|---|---|
467533 | Jan 1992 | EPX |
468405 | Jan 1992 | EPX |
3937732 | May 1990 | DEX |
4234273 | Apr 1993 | DEX |
63-15876 | Jan 1988 | JPX |
Entry |
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Derwent Publications Ltd., Database WPI Week 9412, AN 98039 & JP-A-6 049 428 (Sunstar Giken) 22 Feb. 1994. |