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All Patents in class 310/248
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
345,336Jul. 13, 1886E. ThomsonCommutator brushmotor brushes
403,630May 21, 1889T.L. WilsonDynamo Electric MachineDC motors
1,395,880Nov. 01, 1921D.W. WardCommutator Brush Reseating Toolbrush reseating tools
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