Number | Date | Country | Kind |
---|---|---|---|
60-204531 | Sep 1985 | JPX | |
61-200533 | Aug 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1866631 | Dorff et al. | Jul 1932 | |
2984825 | Fuller et al. | May 1961 | |
4382269 | Kato | May 1983 | |
4622614 | Yamashita et al. | Nov 1986 |
Number | Date | Country |
---|---|---|
57-94906 | Jun 1982 | JPX |
59-119507 | Jul 1984 | JPX |
60-147950 | Aug 1985 | JPX |
61-148687 | Jul 1986 | JPX |
2083677 | Mar 1982 | GBX |
Entry |
---|
Schneider et al., the IBM Tech. Dis. Bulletin, vol. 19, No. 4, Sep. 1976, pp. 1296-1297. |