Number | Date | Country | Kind |
---|---|---|---|
8028597[U] | Oct 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2724065 | Saxl | Nov 1955 | |
3122295 | Davison et al. | Feb 1964 | |
3398870 | Mullan et al. | Aug 1968 | |
3534893 | Maxson | Oct 1970 | |
3593945 | Richardson et al. | Jul 1971 | |
3843035 | Fitterer et al. | Oct 1974 | |
3951356 | Davis, Jr. | Jan 1974 | |
4238088 | Schoettle et al. | Dec 1980 |
Entry |
---|
W. A. Gross, IBM Research Laboratory, San Jose, USA, pp. 138-141. |