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3353364 | Blanding et al. | Nov 1967 | |
3466880 | Elliott | Sep 1969 | |
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3508410 | Lynch | Apr 1970 | |
3641777 | Banjavich et al. | Feb 1972 | |
3785160 | Banjavich et al. | Jan 1974 | |
3837171 | Scurlock | Sep 1974 | |
3991583 | Scurlock | Nov 1976 | |
4258794 | Sizer et al. | Mar 1981 | |
4345854 | Valantin | Aug 1982 | |
4443129 | de Sivry et al. | Apr 1984 | |
4720213 | Gernhardt et al. | Jan 1988 | |
4867608 | Kinghorn | Sep 1989 | |
4892410 | Snow et al. | Jan 1990 | |
4993876 | Snow et al. | Feb 1991 | |
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Number | Date | Country |
---|---|---|
2100608 | Jul 1993 | CAX |
Entry |
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U.S. Design Patent Application No. 29/026,483, by Jose de J. Silva et al. |