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All Patents in class 74/321
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
206,424Jul. 30, 1878O.R. ChapmanMetal-Planing Machinemetal planers
399,504Mar. 12, 1889W.W. DingeeStraw Stackerhay or straw stackers
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