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| Patents for Elisha Putnam | |||||
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| Number | Date | Patentee | Title | Type | |
| 394X | Aug. 24, 1802 | E. Putnam | Improvement Called a Fire Stop | carpenter | |
| 2,715X | Dec. 31, 1816 | E. Putnam | Mode of preventing the waste of water in conduit pipes | pipes | |
| 3,024X | Nov. 18, 1818 | E. Putnam | Conduit pipes | pipes | |