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All Patents in class 101/231
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
38,200Apr. 14, 1863W. BullockPrinting-machineprinting presses
84,627Dec. 01, 1868S.D. Tucker, R.M. HoeImprovement in printing-pressesprinter
113,769Apr. 18, 1871R.M. HoeImprovement in printing-presses
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