Number | Name | Date | Kind |
---|---|---|---|
D194285 | Miller | Dec 1962 | |
D200013 | Lorenzen | Jan 1965 | |
D311864 | Davis | Nov 1990 | |
D314140 | Kornick et al. | Jan 1991 | |
D315672 | Peykoff | Mar 1991 | |
D323981 | Satterfield | Feb 1992 | |
D333432 | Gonda et al. | Feb 1993 | |
D353331 | Larkin et al. | Dec 1994 |