| Number | Name | Date | Kind |
|---|---|---|---|
| D207720 | Anton | May 1967 | |
| 2395537 | Crosby | Feb 1946 | |
| 2775076 | Roods | Dec 1956 | |
| 3083508 | Fegley et al. | Apr 1963 | |
| 3226885 | Cutrone | Jan 1966 | |
| 4182000 | Fairbairn | Jan 1980 | |
| 4381628 | Dicke | May 1983 | |
| 4967516 | Hoshino et al. | Nov 1990 | |
| 5074081 | Beth et al. | Dec 1991 |