Paten Samuel Morse

Paten Samuel Morse

US Patent 1,647, Improvement in the mode of communicating information by signals by the application of electro-magnetism, June 20, 1840
US Patent 1,647 (Reissue #79), Improvement in the mode of communicating information by signals by the application of electro-magnetism, January 15, 1846
US Patent 1,647 (Reissue #117), Improvement in electro-magnetic telegraphs, June 13, 1848
US Patent 1,647 (Reissue #118), Improvement in electro-magnetic telegraphs, June 13, 1848
US Patent 3,316, Method of introducing wire into metallic pipes, October 5, 1843
US Patent 4,453, Improvement in Electro-magnetic telegraphs, April 11, 1846
US Patent 6,420, Improvement in electric telegraphs, May 1, 1849

Berkaitan

Samuel Eto'o Samuel (penyanyi) Samuel Morse Samuel Umtiti Samuel L. Jackson Samuel Rizal Samuel Inkoom Samuel de Champlain Samuel Beckett Samuel C. C. Ting

Rujukan

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