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Patents Granted on 1801-10-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
344XOct. 10, 1801R. RobothamAir Pump Ventilator for Ships, Mines, Etc.air pumps
345XOct. 10, 1801R. RobothamMachine for Ruling Paper, etc.ruling machines
346XOct. 13, 1801J. PooleSyphonic steam machinesteam apparatus
GB-180,102,544Oct. 14, 1801W. SymingtonHorizontal steam engine with directly connected cranksteam engines
347XOct. 28, 1801M. KrafftConstruction of stillssteam stills
GB-180,102,546Oct. 30, 1801R. Brayshay, W. McMahonMachine for gaining speed and power in all mechanical operations by land and water
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