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| All Patents of Type: nautical dredges | |||||
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| Number | Date | Patentee | Title | Type | |
| 35X | Nov. 24, 1791 | P. Zacharie | Machine for cleaning or deepening docks or harbors | nautical dredges | |
| 384X | Jul. 13, 1802 | J. Greenleaf | Machine for cleaning out docks | nautical dredges | |
| 288,094 | Nov. 06, 1883 | J. Menge | Dredging Machine | nautical dredges | |