Number | Name | Date | Kind |
---|---|---|---|
D252927 | Harris et al. | Sep 1979 | |
4343530 | Leger | Aug 1982 | |
4436558 | Coldren et al. | Mar 1984 | |
4541034 | Fanning | Sep 1985 | |
4790764 | Kawaguchi et al. | Dec 1988 | |
5076795 | Krupp et al. | Dec 1991 | |
5775963 | Byfield, Jr. | Jul 1998 |