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Patents for John Rogers
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,541XJun. 24, 1822J. RogersMarine rail way
10,395Jan. 03, 1854T. RogersMachinery for cutting hand-railswood shapers
68,431Sep. 03, 1867J.N. FreestoneImproved Pipe-Wrenchpipe wrenches
108,940Nov. 01, 1870J. RogersImprovement in finishing the surfaces of plated goodsmetal engraving machines
450,978Apr. 21, 1891J. RogersWork-centering apparatus
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