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| Patents for M. A. Martin | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 549,605 | Nov. 12, 1895 | J. Kerwin | Blacksmith's Forge | |
 | 632,888 | Sep. 12, 1899 | S.A. Ayres | Gas Engine | |
 | 633,578 | Sep. 26, 1899 | R.F. Downey | Monkey Wrench | |