Number | Name | Date | Kind |
---|---|---|---|
3551889 | Miller | Dec 1970 | |
3864633 | Strenglein | Feb 1975 | |
3908084 | Wiley | Sep 1975 | |
3947769 | Rousos et al. | Mar 1976 | |
4179686 | Bonicalzi | Oct 1979 | |
4223830 | Walton | Sep 1980 | |
4236068 | Walton | Nov 1980 | |
4334221 | Rosenhagen et al. | Jun 1982 | |
4357707 | Delury | Nov 1982 |
Entry |
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IBM Tech. Disclosure Bulletin, vol. 21, No. 6, 11/78, pp. 2515-2517. |
IBM Tech. Disclosure Bulletin, vol. 13, No. 1, 6/70, pp. 176 & 177. |