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Patents Granted on 1831-08-30
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
FX-6,715Aug. 30, 1831J. StimpsonTurning Short Curvestrack and switches
6,738XAug. 30, 1831J. BarberWashing machinewashing machines
6,739XAug. 30, 1831J.B. NavyFiltrating water and other liquids
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