Number | Name | Date | Kind |
---|---|---|---|
4879648 | Cochran et al. | Nov 1989 | |
4947028 | Gorog | Aug 1990 | |
4984155 | Geier et al. | Jan 1991 | |
4992940 | Dworkin | Feb 1991 | |
5206949 | Cochran et al. | Apr 1993 | |
5231566 | Blutinger et al. | Jul 1993 | |
5319542 | King, Jr. et al. | Jun 1994 | |
5630125 | Zellweger | May 1997 | |
5715444 | Danish et al. | Feb 1998 | |
5799157 | Escallon | Aug 1998 | |
5897622 | Blinn et al. | Apr 1999 |
Entry |
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Lintz, Search Page US 5, 581, 757, Mar. 5, 1996, pp. 1-2. |