Number | Name | Date | Kind |
---|---|---|---|
2145690 | Hensel | Jan 1939 | |
2760257 | Richardson et al. | Aug 1956 | |
2985532 | Streicher | May 1961 | |
3488183 | Schreiner et al. | Jan 1970 | |
3954459 | Schreiner et al. | May 1976 | |
3969112 | Kim et al. | Jul 1976 | |
4141727 | Shida et al. | Feb 1979 | |
4204863 | Schreiner | May 1980 | |
4217139 | Kim et al. | Aug 1980 | |
4294616 | Kim et al. | Oct 1981 | |
4427625 | Wingert et al. | Jan 1984 | |
4622269 | Leung | Nov 1986 | |
4627903 | Chapman | Dec 1986 | |
4680162 | Shibata | Jul 1987 | |
4764227 | Rothkegel et al. | Aug 1988 |
Number | Date | Country |
---|---|---|
925142 | May 1963 | GBX |
Entry |
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"Electric-Contact Materials", Metals Handbook, vol. III, 9th edition, by the ASM Committee on Electric Contact Materials, 1980. |