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| Patents Granted on 1846-01-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| RX-78 | Jan. 15, 1846 | E. Hunt, W. Osgood | Improvement in machines for making wrought iron spikes and nails | nail making machines | |
| RE79 | Jan. 15, 1846 | S.F. Morse | Improvement in the mode of communicating information by signals by the application of electro-magnetism | telegraphy apparatus | |