Number | Name | Date | Kind |
---|---|---|---|
D234931 | Rogove et al. | Apr 1975 | |
D252962 | Wilks | Sep 1979 | |
1801453 | Patterson | Apr 1931 | |
2868386 | Seyforth | Jan 1959 | |
2923417 | Sonksen | Feb 1960 | |
3092258 | Bleed | Jun 1963 | |
3231097 | Hodson | Jan 1966 | |
3502226 | Marschak | Mar 1970 |