| Number | Date | Country | Kind |
|---|---|---|---|
| 83-2321 | Sep 1983 | SEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D268641 | Banforte | Apr 1983 | |
| 2669084 | Warren | Feb 1954 | |
| 2963844 | Engler | Dec 1960 | |
| 3103093 | House | Sep 1963 | |
| 3425199 | Freedlander | Apr 1969 | |
| 4254607 | Moore | Mar 1981 | |
| 4290258 | Gobler | Sep 1981 | |
| 4426831 | Klas et al. | Jan 1984 |