This application is a divisional of U.S. application Ser. No. 09/961,738, filed on Sep. 24, 2001, now U.S. Pat. No. 6,440,992, which is a divisional of U.S. application Ser. No. 09/593,434, filed Jun. 14, 2000, now U.S. Pat. No. 6,323,200, which is a divisional of U.S. application Ser. No. 09/361,544, filed Jul. 27, 1999, now U.S. Pat. No. 6,110,929, which claims the benefit of U.S. Provisional Application No. 60/094,346, filed Jul. 28, 1998.
Number | Name | Date | Kind |
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4031230 | Gottschlich et al. | Jun 1977 | A |
4038396 | Shen et al. | Jul 1977 | A |
4131677 | Shen et al. | Dec 1978 | A |
4689338 | Gerster | Aug 1987 | A |
4698348 | Gerster | Oct 1987 | A |
4778811 | Knoll et al. | Oct 1988 | A |
4904669 | Knoll et al. | Feb 1990 | A |
4929624 | Gerster et al. | May 1990 | A |
5037986 | Gerster | Aug 1991 | A |
5268376 | Gester | Dec 1993 | A |
5312822 | Albaugh | May 1994 | A |
5346905 | Gerster | Sep 1994 | A |
5352784 | Nikolaides et al. | Oct 1994 | A |
5389640 | Gerster et al. | Feb 1995 | A |
5446153 | Lindstrom et al. | Aug 1995 | A |
5451585 | Albaugh | Sep 1995 | A |
5482936 | Lindstrom | Jan 1996 | A |
5605899 | Gerster et al. | Feb 1997 | A |
Number | Date | Country |
---|---|---|
0 055 248 | Jun 1982 | EP |
2 184 117 | Jun 1987 | GB |
WO 9305042 | Mar 1993 | WO |
WO 9502597 | Jan 1995 | WO |
WO 9502598 | Jan 1995 | WO |
WO 98 16514 | Apr 1998 | WO |
WO 9842712 | Oct 1998 | WO |
Entry |
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Number | Date | Country | |
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60/094346 | Jul 1998 | US |