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Patents for Thaddeus R. Bell
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
879,847Feb. 25, 1908T.R. BellSafety controlling mechanismelectric railroads
935,352Sep. 28, 1909T.R. Bell, A.C. BellAlternating-current motorrepulsion start induction run motors
1,050,201Jan. 14, 1913T.R. BellPatternfoundryman
1,089,815Mar. 10, 1914T.R. Bell, A.C. BellAlternating-current motorrepulsion start induction run motors
1,239,761Sep. 11, 1917T.R. Bell, A.C. BellAlternating-current motorAC motors
CA-184,521May 28, 1918A.C. Bell, T.R. BellAlternating current motorAC motors
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