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Patents for Asa Trahern | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 9,216X | Oct. 28, 1835 | A. Trahern, J. Heberling, W.E. Lukens, H. Heberling | Horse Power | |
![]() | AI3 | Apr. 04, 1838 | A. Trahern, H. Heberling, W.E. Lukens, J. Heberling | Horse Power |