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5946945 | Kegler et al. | Sep 1999 | A |
5968285 | Ferrell et al. | Oct 1999 | A |
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6260390 | Carr | Jul 2001 | B1 |
Number | Date | Country |
---|---|---|
0 527 699 | Feb 1993 | EP |
0 828 020 | Mar 1998 | EP |
0 828 020 | Mar 1998 | EP |
0 919 659 | Jun 1999 | EP |
WO 9733031 | Sep 1997 | WO |
WO9913148 | Mar 1999 | WO |
WO 9949122 | Sep 1999 | WO |
Entry |
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PCT International Search Report for International Application No. PCT/US 00/25786, dated Feb. 1, 2001. |