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| Patents for William Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,164X | Jan. 15, 1820 | W. Martin | Mortise water lock gate | ||
| 52,719 | Feb. 20, 1866 | J. Jones | Improvement in carpenters' shooting-boards | shooting boards | |
| 91,461 | Jun. 15, 1869 | W. Martin | Improvement in sawing-machine | drag saws | |
| 423,484 | Mar. 18, 1890 | W. Martin | Inclinometer | inclinometers | |