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| Patents for Daniel S. Pratt | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 127,643 | Jun. 04, 1872 | D.S. Pratt | Improvement in machines for manufacturing staves | |
 | 128,719 | Jul. 09, 1872 | J.E. Emerson | Improvement in Attaching Handles to Saws | |