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All Patents of Type: dredges
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
448XMay 04, 1803M. BarneyMachine for Deepening Channelsdredges
8,840Mar. 30, 1852J. HamiltonDredging-machinedredges
25,704Oct. 04, 1859J. MolyneuxRotary dredging-machinedredges
598,292Feb. 01, 1898J.A. MumfordExcavating or dredging bucketdredges
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