Number | Date | Country | Kind |
---|---|---|---|
3114835 | Nov 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
RE27175 | Arnold et al. | Sep 1971 | |
162993 | Bohg | May 1875 | |
364091 | Bohg | May 1887 | |
3172352 | Helms | Mar 1965 | |
3490366 | Benson et al. | Jan 1970 | |
3568593 | Papadepoulos | Mar 1971 | |
3636865 | Konkel et al. | Jan 1972 | |
3643595 | Helms et al. | Feb 1972 | |
3919933 | Potter | Nov 1975 | |
3998153 | Erhardt et al. | Dec 1976 | |
4014258 | Wassermann | Mar 1977 | |
4371857 | Bohg et al. | Feb 1983 | |
4388861 | Bohg et al. | Jun 1983 |
Entry |
---|
IBM TDB, 4/78, pp. 4686-4687. |