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Patents Granted on 1834-04-16
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,145XApr. 16, 1834I. BarnumSteam pump vacuumsteam pumps
8,146XApr. 16, 1834J. HoweForge, or heating wind for blacksmith's fireblacksmith
8,147XApr. 16, 1834D.H. Wiswell, B. GoodspeedCircular, vertical, and angular sawing and boring machinewheelwright
8,148XApr. 16, 1834J. MarckSelf-igniting cigars
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