Number | Name | Date | Kind |
---|---|---|---|
2998096 | Snipes | Aug 1961 | |
3216648 | Ford | Nov 1965 | |
3844131 | Gianni et al. | Oct 1974 | |
4167102 | Willitts | Sep 1979 | |
4285206 | Koser | Aug 1981 | |
4304102 | Gray | Dec 1981 | |
4476307 | Goddard | Oct 1984 | |
4805416 | Manz et al. | Feb 1989 | |
4809520 | Manz et al. | Mar 1989 |
Entry |
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WO89/06336, 7/13/89, Merritt et al. & copy in class 62-149. |