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Patents for James Clark Jr.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
472,063Apr. 05, 1892G.S. Maxwell, J. Clark, Jr.Automatic railway-switch
701,115May 27, 1902C.E. WilleyDrilling machineryradial drill presses
750,744Jan. 26, 1904J.F. WilleyPortable drillhandheld power tools
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