„Samuel Morse” változatai közötti eltérés

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== Szabadalmai ==
* [httphttps://www.google.com/patents?id=Xx5AAAAAEBAJ&printsec=abstract&zoom=4&dq=1647 US Patent 1,647, Improvement in the mode of communicating information by signals by the application of electro-magnetism, June 20, 1840]
* [httphttps://www.google.com/patents?id=C1cqAAAAEBAJ&printsec=abstract&zoom=4&dq=re79 US Patent 1,647 (Reissue #79), Improvement in the mode of communicating information by signals by the application of electro-magnetism, January 15, 1846]
* [httphttps://www.google.com/patents?id=LVcqAAAAEBAJ&printsec=abstract&zoom=4&dq=re117 US Patent 1,647 (Reissue #117), Improvement in electro-magnetic telegraphs, June 13, 1848]
* [httphttps://www.google.com/patents?id=LlcqAAAAEBAJ&printsec=abstract&zoom=4&dq=re118 US Patent 1,647 (Reissue #118), Improvement in electro-magnetic telegraphs, June 13, 1848]
* [httphttps://www.google.com/patents?id=uMxBAAAAEBAJ&printsec=abstract&zoom=4&dq=3316#PPA2,M1 US Patent 3,316, Method of introducing wire into metallic pipes, October 5, 1843]
* [httphttps://www.google.com/patents?id=TcVCAAAAEBAJ&dq=4453&jtp=1#PPA4,M1, US Patent 4,453, Improvement in Electro-magnetic telegraphs, April 11, 1846]
* [httphttps://www.google.com/patents?id=OTRFAAAAEBAJ&printsec=abstract&zoom=4&dq=6420#PPA1,M1 US Patent 6,420, Improvement in electric telegraphs, May 1, 1849]
 
== Hivatkozások ==
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