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Patents Granted on 1830-07-13
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,077XJul. 13, 1830E. BowenSpinning machine called the double spinnerspinner
6,078XJul. 13, 1830E. DunscombRail roads
6,079XJul. 13, 1830J. StowittsThrashing machinethreshers and thrashers
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