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Patents for Samuel F. B. Morse | |||||
Number | Date | Patentee | Title | Type | |
1,647 | Jun. 20, 1840 | S.F. Morse | Electric telegraph | telegraphy apparatus | |
RE79 | Jan. 15, 1846 | S.F. Morse | Improvement in the mode of communicating information by signals by the application of electro-magnetism | telegraphy apparatus | |
4,453 | Apr. 11, 1846 | S.F. Morse | Improvement in electro-magnetic telegraphs | telegraphy apparatus | |
RE118 | Jun. 13, 1848 | S.F. Morse | Improvement in electro-magnetic telegraphs | telegraphy apparatus |