Number | Name | Date | Kind |
---|---|---|---|
2848931 | Troidl | Aug 1958 | |
2880657 | Bartlett | Apr 1959 | |
3711192 | Land | Jan 1973 | |
3829204 | Riedel | Aug 1974 | |
4167318 | Wareham | Sep 1979 | |
4212521 | Stella | Jul 1980 | |
4212527 | Fischer | Jul 1980 |
Entry |
---|
Research Disclosure, pp. 132-134, Apr. 1980. |