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Patents Granted on 1837-02-16
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
126Feb. 16, 1837P. WilliamsImprovement in Machines for Cutting the Screws of Screw-Bedsteadswood threading machines
127Feb. 16, 1837L. DeanMode of constructing bench and other visesbench vises
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