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Patents for John A. McManus Jr.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
928,084Jul. 13, 1909L.E. UnderwoodInsulating-studelectric motor making
1,043,887Nov. 12, 1912J.B. WiardDynamo-electric machineinduction motors
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