Number | Name | Date | Kind |
---|---|---|---|
2905742 | Woods | Sep 1959 | |
2973400 | McAdam | Feb 1961 | |
3106601 | Hamm | Oct 1963 | |
3249680 | Sheets et al. | Apr 1964 | |
4246597 | Cole et al. | Jan 1981 | |
4295152 | Khoe et al. | Oct 1981 |
Number | Date | Country |
---|---|---|
703015 | Feb 1965 | CAX |
Entry |
---|
IBM TDB, vol. 20, No. 6, Nov. 1977, p. 2829. |
IBM TDB, vol. 19, No. 12, May 1977, p. 4622. |