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Patents Granted on 1804-06-??
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-180,402,772Jun. 07, 1804A. WoolfParallel compound steam enginesteam engines
560XJun. 08, 1804M. French, M. AllisonNail Machinenail making machines
561XJun. 08, 1804A. SpencerImprovement in making thimbles
562XJun. 30, 1804W. TunstallMachines for Clearing Grain From Strawfanning mills
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