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| All Patents in class 178/95 | |||||
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| Number | Date | Patentee | Title | Type | |
| 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 | |