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All Patents in class 384/397
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE5,323Mar. 11, 1873H.W. ThayerImprovement in journal-boxesindustrial machine bearings
1,970,199Aug. 14, 1934J.C. SharpBushing for Locomotive Valve Motionssteam engine valve gear
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