Number | Name | Date | Kind |
---|---|---|---|
D177360 | Becker et al. | Apr 1956 | |
D209605 | Zoeller et al. | Dec 1967 | |
D226775 | Jones | Apr 1973 | |
D241109 | Levin | Aug 1976 | |
D280590 | Schrage | Sep 1985 | |
3233812 | Kennedy | Feb 1966 | |
3659585 | Bay | May 1972 | |
4014450 | Girotti et al. | Mar 1977 | |
4113095 | Dietz et al. | Sep 1978 |