Number | Name | Date | Kind |
---|---|---|---|
3583235 | Tanila | Jun 1971 | |
3691391 | Kishi | Sep 1972 | |
3849002 | Hach | Nov 1974 | |
4515753 | Smith et al. | May 1985 | |
4638675 | Sperinck et al. | Jan 1987 | |
4774057 | Uffenheimer et al. | Sep 1988 | |
4873057 | Robertson et al. | Oct 1989 | |
4910151 | Platt | Mar 1990 | |
4990459 | Maeda et al. | Feb 1991 | |
4999305 | Wolcott et al. | Mar 1991 | |
5156813 | Calhoun | Oct 1992 | |
5633172 | Shimazaki | May 1997 | |
5647386 | Kaiser | Jul 1997 | |
5723093 | DeBruyne et al. | Mar 1998 | |
5741709 | Hsu | Apr 1998 | |
5837203 | Godec et al. | Nov 1998 |
Number | Date | Country |
---|---|---|
0 474 607 A2 | Mar 1992 | EP |
Entry |
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PCT International Search Report for PCT/US99/12735, dated Sep. 24, 1999. |