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Patents for William Stratton Thomson
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,410,521Mar. 21, 1922W.S. ThomsonScrew Driverscrewdrivers
1,570,650Jan. 26, 1926W.S. ThomsonCold Chiselchisels
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