Number | Name | Date | Kind |
---|---|---|---|
D241664 | Ewers et al. | Sep 1976 | |
D289927 | Bradford | May 1987 | |
3565426 | Glass et al. | Feb 1971 | |
4234181 | Breslow et al. | Nov 1980 | |
4240628 | Brownfield | Dec 1980 | |
4244568 | Ferris et al. | Jan 1981 | |
4895364 | Martel et al. | Jan 1990 |