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Patents for S. R. Merrick | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 168,696 | Oct. 11, 1875 | M.G. Wilder, S.H. Wilder, W.H. McNeil, H.C. Tyler | Improvement in mortising machines | |
![]() | 195,911 | Oct. 09, 1877 | W.H. McNeil, M.G. Wilder | Improvement in machines for dressing piano-keys |