Number | Name | Date | Kind |
---|---|---|---|
D208845 | Beinert | Oct 1967 | |
D213047 | Steidley | Dec 1968 | |
D232830 | Moos et al. | Sep 1974 | |
3836076 | Conrad et al. | Sep 1974 | |
3946947 | Schneider | Mar 1976 | |
3961754 | Kuhns et al. | Jun 1976 | |
4330086 | Nysted | May 1982 | |
4350298 | Tada | Sep 1982 |