Number | Date | Country | Kind |
---|---|---|---|
121581 | Aug 1997 | IL | |
123376 | Feb 1998 | IL |
Number | Name | Date | Kind |
---|---|---|---|
3839780 | Freedman et al. | Oct 1974 | |
4264354 | Cheetham | Apr 1981 | |
4686082 | Parker | Aug 1987 | |
5185125 | Smith et al. | Feb 1993 | |
5516355 | Rahdakrishnan | May 1996 |
Entry |
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Foreign Patent Document, PCT/IL96/00167 (Publication No. WO 97/26384), Isreal, Jul. 24, 1997. |