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| Patents for Zebulon E. Coffin | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 58,069 | Sep. 18, 1866 | Z.E. Coffin | Improved capstan-windlass | |
 | 80,143 | Jul. 21, 1868 | Z.E. Coffin | Improvement in hydrants | |
 | 243,691 | Jul. 05, 1881 | Z.E. Coffin | Hydrant-valve | |