Number | Name | Date | Kind |
---|---|---|---|
2278465 | Musher | Apr 1942 | |
2475133 | Furter et al. | Jul 1949 | |
2811447 | Kamada et al. | Oct 1957 | |
3392029 | Nibler et al. | Jul 1968 | |
3652299 | Penton | Mar 1972 | |
3753730 | Donnarumma et al. | Aug 1973 | |
3879566 | Cox et al. | Apr 1975 | |
4767636 | Ramos et al. | Aug 1988 | |
4769247 | Rothenberg et al. | Sep 1988 | |
5089284 | Irvin et al. | Feb 1992 |
Entry |
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U.S. Ser. No. 845,887 filed Mar. 4, 1992 to Patterson et al. |