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