Number | Name | Date | Kind |
---|---|---|---|
D322792 | Park | Dec 1991 | |
D376372 | Little et al. | Dec 1996 | |
3831690 | Yamaoka et al. | Aug 1974 | |
4280784 | Ramacciotti | Jul 1981 | |
5169278 | Hoechst et al. | Dec 1992 | |
5240366 | Bamford | Aug 1993 | |
5542814 | Ashcroft et al. | Aug 1996 | |
5609464 | Moffitt et al. | Mar 1997 |