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Patents for Mary H. Lewis
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,083,906Jan. 06, 1914L. KassanderLubricatorair compressor cylinder lubricators
1,114,123Oct. 20, 1914H. DaltonThreadless nut or collarmetal lathes
1,265,050May 07, 1918H.E. ChayesGrinding Machine
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