LIBROS DEL AUTOR: a edward evenson

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  • The Telephone Patent Conspiracy of 1876
    A. Edward Evenson
    The invention of the telephone is a subject of great controversy, central is which is the patent issued to Alexander Graham Bell on March 7, 1876. Many problems and questions surround this patent, not the least of which was its collision in the Patent Office with a strangely similar invention by archrival Elisha Gray. A flood of lawsuits followed the patent’s issue; at one p...
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