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Patents Granted on 1822-05-17
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,525XMay 17, 1822S. DavidsonMachine for breaking and swingling flaxflax and hemp machines
3,526XMay 17, 1822D.H. MasonMaking metallic plates for engraving and printingprinter
3,527XMay 17, 1822J. ThomasBlocks and wedges for raising vessels and for other uses in ship buildingblocks and wedges
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