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4771295 | Baker et al. | Sep 1988 | A |
4961088 | Gilliland et al. | Oct 1990 | A |
5610635 | Murray et al. | Mar 1997 | A |
5620641 | Berger | Apr 1997 | A |
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6454381 | Olsen et al. | Sep 2002 | B1 |
Number | Date | Country |
---|---|---|
0691207 | Jan 1996 | EP |
0720916 | Jul 1996 | EP |
0789322 | Jan 1997 | EP |
0 925 920 | Jun 1999 | EP |
0 925 938 | Jun 1999 | EP |
0721171 | Jun 2000 | EP |
1 059 169 | Dec 2000 | EP |
2 744 061 | Aug 1997 | FR |
WO0132431 | May 2001 | WO |
Entry |
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A copy of PCT International Search Report for International Application No. PCT/US02/12402 mailed Aug. 9, 2002 (7 pages). |