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All Patents in class 318/715
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,561,624Nov. 17, 1925H. WeichselAlternating-current motorAC motors
1,570,109Jan. 19, 1926H. WeichselAlternating-current motorAC motors
3,093,782Jun. 11, 1963K.M. SparrowSynchronous motorelectric motors
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