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Hace 1 día · AT&T Inc., an abbreviation for its former name, the American Telephone and Telegraph Company, is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [4]
Hace 3 días · AT&T (T) is a Dallas-based holding company that comprises telecommunications and technology subsidiaries and affiliates; its history dates back to 1876 and Alexander Graham Bell ’s invention of the telephone.
20 de sept. de 2024 · After a series of mergers, the American Telephone and Telegraph Co.—the forerunner of today's AT&T—was incorporated in 1880. Because Bell controlled the intellectual property and patents behind the telephone system, AT&T had a de facto monopoly over the young industry.
Hace 4 días · Alexander Graham Bell (/ ˈɡreɪ.əm /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.
Hace 1 día · AT&T, Inc. is a holding company, which engages in the provision of telecommunications media and technology services. It operates through the Communications and Latin America segments.
16 de sept. de 2024 · Thomas Edison. American inventor. Also known as: Thomas Alva Edison, Wizard of Menlo Park. Written by. Matthew Josephson. Author of Edison: A Biography. Matthew Josephson, Robert E. Conot. Editor, Los Angeles Times. Senior Lecturer in Journalism, University of Southern California, Los Angeles.
Hace 2 días · After years of conducting research and development under Western Electric, a Bell subsidiary, the Engineering Department was reformed into Bell Telephone Laboratories in 1925 and placed under the shared ownership of Western Electric and the American Telephone and Telegraph Company (AT&T).