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Patents Granted on 1830-04-16
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
NX-5,920Apr. 16, 1830A. AndrewsSaw Millsawmills
5,920XApr. 16, 1830R.P. ClarkeColumbian washerwashing machines
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