Number | Date | Country | Kind |
---|---|---|---|
63-302802 | Nov 1988 | JPX | |
1-30864 | Feb 1989 | JPX | |
1-151411 | Jun 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3118785 | Anderson et al. | Jan 1964 | |
3131019 | D'Antonio | Apr 1964 | |
3196008 | Mihajlov et al. | Jul 1965 | |
3196011 | Gunther et al. | Jul 1965 | |
3982936 | Goffe | Sep 1976 |
Number | Date | Country |
---|---|---|
344789 | Dec 1989 | EPX |
2701176 | Dec 1977 | DEX |
57-58309 | Dec 1982 | JPX |
1510964 | May 1978 | GBX |
2176746 | Jan 1987 | GBX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 8, No. 11, Apr. 11, 1966, p. 14. |
Abstract of Japan 63-47,733 (published Feb. 29, 1988). |
Abstract of Japan 2-103,196 (published Apr. 16, 1990). |