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| Patents for Nathan T. Coffin | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 9,848 | Jul. 12, 1853 | N.T. Coffin | Improvement in Forming Teeth on Mill Saws | |
 | 9,856 | Jul. 19, 1853 | N.T. Coffin | Hanging saws | |
 | 14,305 | Feb. 26, 1856 | N.T. Coffin | Mill-saw | |
 | 105,912 | Aug. 02, 1870 | N.T. Coffin | Improvement in machine for securing sheet-metal lining in pump-stocks | |
 | 105,913 | Aug. 02, 1870 | N.T. Coffin | Improvement in pump-valve | |
 | 112,018 | Feb. 21, 1871 | N.T. Coffin | Improvement in pumps | |
 | 113,144 | Mar. 28, 1871 | N.T. Coffin | Improvement in pumps | |