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Patents Granted on 1822-05-31
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,533XMay 31, 1822R. LealVertical Tide Water Wheeltide mills
3,534XMay 31, 1822J. ButtersMachine for splitting leathersplitting and shearing machinery
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