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All Patents in class 280/47.131
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
426,474Apr. 29, 1890C.C. Smalley, C.F. SmalleyTruck-frame for tread-powers
6,929,275Aug. 16, 2005P.E. SchlangenPerson transport wheelchair
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