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All Patents in class 280/28.5
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
103,102May 17, 1870S.S. StuntzImproved Traction Machine for Plowssteam traction engines
219,938Sep. 23, 1879J.J. HolcombeEndless-Track Vehiclestracks
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