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Patents for Henry C. Tyler | |||||
Number | Date | Patentee | Title | Type | |
168,696 | Oct. 11, 1875 | M.G. Wilder, S.H. Wilder, W.H. McNeil, H.C. Tyler | Improvement in mortising machines | mortising machines | |
168,862 | Oct. 19, 1875 | M.G. Wilder, W.H. McNeil, H.C. Tyler | Improvement in boring-machines | drilling and boring |