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All Patents of Type: dams and weirs
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,662XOct. 10, 1829P. M'grathRiver dams for the easy passage up and down of fish and of vesselsdams and weirs
NX-183,002,223Feb. 22, 1830J.M. SymeDamdams and weirs
8,430XOct. 04, 1834A. AddisChutes for Damsdams and weirs
382,395May 08, 1888B.F. ThomasWicket Damdams and weirs
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