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All Patents in class 301/5.1
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
217,506Jul. 15, 1879B.S. BensonTraction Engine and Steam Plowsteam traction engines
604,006May 10, 1898H.C. DuensingTraction Wheeltraction engine wheels
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