Number | Date | Country | Kind |
---|---|---|---|
11-2292 | Feb 1999 | JPX |
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D196912 | Kostich | Nov 1963 | |
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D418479 | Chiou | Jan 2000 | |
5435744 | Derstine et al. | Jul 1995 | |
5676562 | Fukuda | Oct 1997 | |
5830001 | Kinoshita et al. | Nov 1998 |