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Patents Granted on 1806-04-??
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
681XApr. 01, 1806R. TripeDiving machines
682XApr. 05, 1806I. QuintardCider and bark millsbark processing machines
683XApr. 17, 1806J. HeavinPropelling boats up rivers by cranks and setting polesnautical propulsion apparatus
684XApr. 17, 1806J. HeavinMachine for cutting strawhay or straw cutters
685XApr. 25, 1806J. QuinbySaw millssawmills
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