Number | Name | Date | Kind |
---|---|---|---|
515288 | Harsin | Feb 1894 | |
3468308 | Bierman | Sep 1969 | |
3883046 | Thompson et al. | May 1975 | |
3945539 | Sossong | Mar 1976 | |
3961725 | Clark | Jun 1976 | |
4318400 | Peery et al. | Mar 1982 | |
4507116 | Leibinsohn | Mar 1985 | |
4915693 | Hessel | Apr 1990 |