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Patents Granted on 1850-05-14
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,355May 14, 1850O.P. AllenMachine for slitting clothes-pinsclothespin machines
7,362May 14, 1850N. ColverRevolving-Jaw Wrenchnut wrenches
7,367May 14, 1850H. PattersonSplint-machinematch making machines
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