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Patents for John Heavin
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
683XApr. 17, 1806J. HeavinPropelling boats up rivers by cranks and setting polesnautical propulsion apparatus
684XApr. 17, 1806J. HeavinMachine for cutting strawhay or straw cutters
1,303XMay 08, 1810J. HeavinShelling corncorn shellers
1,684XMar. 16, 1812J. HeavinMachine for dressing shinglesshingle machines
1,816XOct. 16, 1812J. HeavinLoomslooms
1,977XAug. 03, 1813J. HeavinMachine for making ropes and twinerope maker
2,065XFeb. 18, 1814J. HeavinLoomslooms
2,833XAug. 27, 1817J. HeavinSteam enginesteam engines
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