Number | Name | Date | Kind |
---|---|---|---|
3770498 | Flowers | Nov 1973 | |
4133690 | Muller | Jan 1979 | |
4544576 | Chu et al. | Oct 1985 | |
4756977 | Haluska et al. | Jul 1988 | |
5059448 | Chandra et al. | Oct 1991 | |
5145723 | Ballance et al. | Sep 1992 |
Entry |
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Emerging Technologies, U.S. Dept. of Commerce, Spring 1990. |