Number | Name | Date | Kind |
---|---|---|---|
636142 | Hodgson | Oct 1899 | |
639676 | Willis | Feb 1902 | |
741592 | Roberts | Oct 1903 | |
1897562 | Smith | Sep 1932 | |
1942668 | Smith | Jan 1934 | |
2578534 | Giles | Dec 1951 | |
3085126 | Labino | Apr 1963 | |
3726717 | Zaleski | Apr 1973 | |
4216280 | Kono et al. | Aug 1980 | |
4317872 | Varma | Mar 1982 | |
4336314 | Yonezu et al. | Jun 1982 | |
4367271 | Hasegawa et al. | Jan 1983 | |
4421834 | Zupancic | Dec 1983 | |
4465748 | Harris | Aug 1984 | |
4648177 | Uba et al. | Mar 1987 |
Number | Date | Country |
---|---|---|
3340091 | Sep 1989 | EPX |
8101076 | Apr 1981 | WOX |
Entry |
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"Comparison of Recombinant Lead Acid Battery Technologies," Proceedings of International Telecommunications, Energy Conference, Oct., 1988. |