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Patents Granted on 1838-04-16
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE2Apr. 16, 1838W. KeaneImprovement in Machines for Cutting Wood and Other Screwsscrew machines
695Apr. 16, 1838J.R. WheelerWater Wheelwater wheels
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