Number | Name | Date | Kind |
---|---|---|---|
3780270 | Faulkner et al. | Dec 1973 | |
4045773 | Kadota et al. | Aug 1977 | |
4175693 | Nakanishi et al. | Nov 1979 | |
4389634 | Nakamura | Jun 1983 | |
4408121 | Galatha | Oct 1983 |
Entry |
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IBM Technical Disclosure Bulletin, vol. 25, pp. 6074, 6076-6077, Apr. 1983. |