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| All Patents in class 405/7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,351X | Jan. 28, 1829 | J.C. Ely | Screw dock | ||
| 8,488X | Nov. 06, 1834 | J. Williston | Blocks used in building vessels | ||
| 3,395,544 | Aug. 06, 1968 | J.O. Fisher, Sr. | Block for Bracing Ships in Drydock | blocks and wedges | |