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| Patents for N. E. Blake | |||||
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| Number | Date | Patentee | Title | Type | |
| 395,146 | Dec. 25, 1888 | H.L. Ferris, N.B. Helm, C.E. Hunt | Wire Stretcher | fence stretchers | |
| 481,349 | Aug. 23, 1892 | H.L. Ferris | Hay-carrier track | hay or straw carriers | |