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Patents for N. E. Blake | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 395,146 | Dec. 25, 1888 | H.L. Ferris, N.B. Helm, C.E. Hunt | Wire Stretcher | |
![]() | 481,349 | Aug. 23, 1892 | H.L. Ferris | Hay-carrier track |