Number | Name | Date | Kind |
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4305465 | Ellis | Dec 1981 | A |
4542792 | Akkerman | Sep 1985 | A |
4566478 | Deaton | Jan 1986 | A |
5127476 | Dickson et al. | Jul 1992 | A |
5167284 | Leismer | Dec 1992 | A |
5285850 | Bayh, III | Feb 1994 | A |
5954133 | Ross | Sep 1999 | A |
6003607 | Hagen et al. | Dec 1999 | A |
Number | Date | Country |
---|---|---|
0 331 227 | Sep 1989 | EP |
0 589 586 | Mar 1994 | EP |
0 982 469 | Mar 2000 | EP |
0 235 938 | Mar 1991 | GB |
2 321 076 | Jul 1998 | GB |
WO 0001915 | Jan 2000 | WO |
Entry |
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PCT Search Report issued in Int'l. Appl. No. PCT/GB01/00041, mailed Apr. 12, 2001. |