Number | Name | Date | Kind |
---|---|---|---|
D263914 | Litchfield et al. | Apr 1982 | |
2711358 | Gussack | Jun 1955 | |
2758455 | Anderson | Aug 1956 | |
2946458 | Du Boff et al. | Jul 1960 | |
2971655 | Du Boff et al. | Feb 1961 | |
3175697 | Kelly | Nov 1963 | |
3328107 | Gutner | Jun 1967 | |
3655063 | Landry | Apr 1972 | |
3797906 | Gutner | Mar 1974 | |
4904032 | Jenkins | Feb 1990 | |
4995682 | Gutner | Feb 1991 | |
5105953 | Finnegan | Apr 1992 | |
5275483 | Rasmussen | Jan 1994 |