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| Patents Granted on 1845-01-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,878 | Jan. 10, 1845 | J.H. Towne | Oscillating Steam Engine | oscillating steam engines | |
| 3,882 | Jan. 10, 1845 | G.E. Sellers | Drop Hammer | trip and helve hammers | |