Number | Date | Country | Kind |
---|---|---|---|
3134995 | Sep 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3655959 | Chesnow et al. | Apr 1972 | |
3916306 | Patti | Oct 1975 | |
4335457 | Early | Jun 1982 |
Entry |
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"Electronics", Aug. 14, 1980, article by Woods, An E-Prom's Ingerity Starts with its Cell Structure. |