Number | Name | Date | Kind |
---|---|---|---|
D285967 | Murphy | Sep 1986 | |
2404283 | Gierinczk | Jul 1946 | |
4266532 | Ryaby et al. | May 1981 | |
4456001 | Pescatore | Jun 1984 | |
4550714 | Talish et al. | Nov 1985 | |
4616629 | Moore | Oct 1986 | |
4635643 | Brown | Jan 1987 | |
4932951 | Liboff et al. | Jun 1990 | |
5045050 | Liboff et al. | Sep 1991 | |
5139474 | Lamond et al. | Aug 1992 | |
5181902 | Erickson et al. | Jan 1993 |