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Patents Granted on 1801-08-??
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-180,102,531Aug. 11, 1801M. MurrayAir pumps and other steam engine partssteam engines
335XAug. 20, 1801C. HoxieMachine for grain separated from strawthreshers and thrashers
336XAug. 21, 1801G.F. SaltonstallCooling and Conveying Up Meal, Etc.animal food preparation machinery
337XAug. 25, 1801W. PalmerMachine for raising waterwater elevators
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