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Patents for William S. Andrews
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
17,378May 26, 1857W.A. JarrattShingle-machineshingle machines
465,512Dec. 22, 1891W.S. Andrews, A.K. WarrenRheostatmotor controls
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