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| All Patents of Type: nautical jack screws | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,374X | Feb. 16, 1829 | T. Evans | Jack screws for stowing goods in ships' holds | nautical jack screws | |
| 5,666X | Oct. 10, 1829 | E. Turner | Raising Vessels Out of Water by a Screw Dock | nautical jack screws | |