Number | Date | Country | Kind |
---|---|---|---|
3539108 | Nov 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3573550 | Baker, Jr. | Apr 1971 | |
4271445 | Hartmann et al. | Jun 1981 | |
4323942 | Hartman et al. | Apr 1982 | |
4400711 | Avery et al. | Aug 1983 | |
4573099 | Ganesan et al. | Feb 1986 | |
4651251 | Thiele | Mar 1987 |
Number | Date | Country |
---|---|---|
0017980 | Nov 1977 | EPX |
3428067 | Feb 1985 | DEX |
2144267 | Feb 1985 | GBX |
Entry |
---|
Elektor, vol. 9, 1983, Jul./Aug., No. 7/8, "Emergency Mains Cut-Out". |