Number | Name | Date | Kind |
---|---|---|---|
D347919 | Hetrich et al. | Jun 1994 | |
2969686 | Runton | Jan 1961 | |
3154960 | Creswell | Nov 1964 | |
3154961 | Creswell | Nov 1964 | |
4009620 | Thompson | Mar 1977 | |
4028956 | Thompson | Jun 1977 | |
4301688 | Salvati | Nov 1981 | |
5131892 | Mott | Jul 1992 | |
5201407 | Proske | Apr 1993 |