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Patents Granted on 1801-05-??
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
325XMay 01, 1801N. KentNails cut from iron hoops and rendered touchnail making machines
326XMay 01, 1801D. EllicotScrew and reel stove grain drying machinegrain dryers
GB-180,102,501May 14, 1801W. HaseSteam engine cylinder and improved boilersteam engines
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