Number | Name | Date | Kind |
---|---|---|---|
3080257 | Berry | Mar 1963 | |
3087835 | Auer | Apr 1963 | |
3438914 | Krockenberger | Apr 1969 | |
3808037 | Story | Apr 1974 | |
3877979 | Clark | Apr 1975 | |
3900620 | Gilman et al. | Aug 1975 | |
3928676 | Drelich | Dec 1975 | |
4732817 | Lotz et al. | Mar 1988 | |
5051283 | Beane | Sep 1991 | |
5320872 | McNeel et al. | Jun 1994 |
Number | Date | Country |
---|---|---|
1319110 | Jun 1973 | GBX |
Entry |
---|
Derwent Abstract No. 48811 of J63293006, Nov. 1988. |