Number | Name | Date | Kind |
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D316752 | Ricketts | May 1991 | |
D320743 | Alexander et al. | Oct 1991 | |
D341316 | Fritz et al. | Nov 1993 | |
2483063 | Ray | Sep 1949 | |
4660716 | McMahon et al. | Apr 1987 | |
4951866 | Rusnak | Aug 1990 | |
5012971 | Cozzi et al. | May 1991 | |
5536194 | Larsen et al. | Jul 1996 |