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Patents for Emil Wohlers | |||||
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Picture | Number | Date | Patentee | Title | |
234,157 | Nov. 09, 1880 | E. Wohlers | Injector | ||
![]() | 234,158 | Nov. 09, 1880 | E. Wohlers | Injector | |
276,319 | Apr. 24, 1883 | E. Wohlers | Injector |