Number | Name | Date | Kind |
---|---|---|---|
D253726 | Schuman et al. | Dec 1979 | |
D253727 | Kowal | Dec 1979 | |
D269915 | Iten et al. | Jul 1983 | |
D304773 | Beuchat | Nov 1989 | |
D306916 | Wasserman | Mar 1990 | |
2308162 | Frank | Jan 1943 | |
2320807 | Upham | Jun 1943 | |
2367571 | Gaide | Jan 1945 | |
2458417 | Pollifrone | Jan 1949 | |
2710445 | Fitzpatrick | Jun 1955 | |
3052374 | Holohan | Sep 1962 | |
3552005 | Fischer | Jan 1971 | |
4167059 | Iten | Sep 1979 | |
4168571 | Francis | Sep 1979 | |
4198746 | Trotta | Apr 1980 | |
4272886 | Asano | Jun 1981 | |
4492025 | Jacobson | Jan 1985 | |
5050301 | Apprille, Jr. | Sep 1991 | |
5113586 | Lazarchik et al. | May 1992 | |
5157835 | Lazarchik et al. | Oct 1992 |