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Patents Granted on 1852-01-27
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,681Jan. 27, 1852A.H. CopelandImprovement in Sand Paper Holders
8,691Jan. 27, 1852L.B. ParkerShingle-machineshingle machines
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