Number | Name | Date | Kind |
---|---|---|---|
D238711 | Hudspith | Feb 1976 | |
4561431 | Atkinson | Dec 1985 | |
4627833 | Cook | Dec 1986 | |
4635621 | Atkinson | Jan 1987 | |
4713051 | Steppe et al. | Dec 1987 | |
4755168 | Romanelli et al. | Jul 1988 | |
4770632 | Ryder et al. | Sep 1988 | |
4790816 | Sundblom et al. | Dec 1988 | |
4820265 | DeSatnick et al. | Apr 1989 | |
4900302 | Newton | Feb 1990 | |
4940457 | Olson | Jul 1990 | |
5019038 | Linden | May 1991 | |
5041096 | Beuchat et al. | Aug 1991 | |
5106366 | Steppe | Apr 1992 | |
5125891 | Hossain et al. | Jun 1992 | |
5154499 | Atkinson et al. | Oct 1992 | |
5195960 | Hossain et al. | Mar 1993 | |
5267956 | Beuchat | Dec 1993 | |
5282787 | Wortrich | Feb 1994 | |
5295825 | Betush | Mar 1994 | |
5328478 | McVay | Jul 1994 | |
5338194 | Strohmaier | Aug 1994 | |
5431626 | Bryant et al. | Jul 1995 |