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Patents for William E. Morgan
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
136,101Feb. 18, 1873W. SellersImprovement in machines for forming cutters for cutting the teeth of wheelsgear cutting tools
139,482Jun. 03, 1873W. SellersImprovement in wheel-quartering machineshorizontal boring mills
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