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| Patents for Andrew J. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,418 | Jul. 15, 1890 | L. Heath, A.J. Martin | Changeable-speed gearing | ||
| 578,888 | Mar. 16, 1897 | A.J. Martin | Traction Engine | traction engine propulsion components | |