Number | Name | Date | Kind |
---|---|---|---|
D252179 | Cherry | Jun 1979 | |
D269934 | Hawkins et al. | Aug 1983 | |
D286729 | Tzifkansky et al. | Nov 1986 | |
D289108 | Guibault | Apr 1987 | |
3464579 | Asenbauer | Sep 1969 | |
3482679 | Bixler et al. | Dec 1969 | |
3791547 | Branseum | Feb 1974 | |
3837526 | Medendorp | Sep 1974 | |
4558799 | Hammond | Dec 1985 |