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All Patents of Type: dredges | |||||
Number | Date | Patentee | Title | Type | |
448X | May 04, 1803 | M. Barney | Machine for Deepening Channels | dredges | |
8,840 | Mar. 30, 1852 | J. Hamilton | Dredging-machine | dredges | |
25,704 | Oct. 04, 1859 | J. Molyneux | Rotary dredging-machine | dredges | |
598,292 | Feb. 01, 1898 | J.A. Mumford | Excavating or dredging bucket | dredges |