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| Patents for Frank T. Weidaw | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 422,357 | Feb. 25, 1890 | F.T. Weidaw, W.E. Kane | Filter | |
![]() | 422,358 | Feb. 25, 1890 | W.E. Kane, F.T. Weidaw | Hub-boring machine | |