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Patents Granted on 1834-05-21
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,211XMay 21, 1834L. BurnellPropelling boats on canals and in shoal waternautical propulsion apparatus
8,212XMay 21, 1834L. BurnellBoilers for steam enginesstationary boilers
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