Number | Name | Date | Kind |
---|---|---|---|
D220162 | Ray | Mar 1971 | |
D279930 | George | Jul 1985 | |
2227339 | Florman | Dec 1940 | |
2272123 | Tepas et al. | Feb 1942 | |
2512499 | Loosen | Jun 1950 | |
3157804 | Goodwin | Nov 1964 | |
3611568 | Alexander et al. | Oct 1971 | |
3772779 | Douglass et al. | Nov 1973 |