| Number | Name | Date | Kind |
|---|---|---|---|
| D213915 | Cofer et al. | Apr 1969 | |
| D218184 | Bringas et al. | Jul 1970 | |
| D234874 | Aoki | Apr 1975 | |
| D268043 | Orenstein | Feb 1983 | |
| D403378 | Lebensfeld et al. | Dec 1998 | |
| 2967328 | Shelby et al. | Jan 1961 | |
| 3179980 | Ryan et al. | Apr 1965 | |
| 3309738 | Friedman | Mar 1967 | |
| 4425091 | Prince | Jan 1984 |