Number | Name | Date | Kind |
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D310924 | Breger | Oct 1990 | |
D319748 | Cuttriss | Sep 1991 | |
D375643 | Copeland et al. | Nov 1996 | |
D378642 | De Genarro | Apr 1997 | |
2916154 | Elliott | Dec 1959 | |
3540630 | Brown et al. | Nov 1970 | |
5009313 | Murand | Apr 1991 |