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Patents for Eyvind W. Petersen
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,954,828Apr. 17, 1934E.W. PetersenMagneto Constructionmagnetos
1,978,688Oct. 30, 1934E.W. PetersenMotor Generator Assemblymotor generators
2,005,201Jun. 18, 1935E.W. Petersen, W.A. SingerInduction Machineinduction motors
2,012,021Aug. 20, 1935E.W. PetersenMethod of Forming Rotorselectric motor making
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