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History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...
AT&T. AT&T Inc. (with "AT&T" being 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] It is the world's fourth-largest telecommunications company by revenue and the largest wireless ...
AT&T Communications. AT&T Corporation, commonly referred to as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
Bell Labs is an American industrial research and scientific development company. Researchers from there are credited with the development of radio astronomy, the transistor, the laser, the photovoltaic cell, the charge-coupled device (CCD), information theory, the Unix operating system, and the programming languages B, C, C++, S, SNOBOL, AWK, AMPL, and others.
File:AT&T logo 12-bar vertical lockup.svg. Size of this PNG preview of this SVG file: 427 × 599 pixels. Other resolutions: 171 × 240 pixels | 342 × 480 pixels | 547 × 768 pixels | 730 × 1,024 pixels | 1,460 × 2,048 pixels | 891 × 1,250 pixels. Original file (SVG file, nominally 891 × 1,250 pixels, file size: 6 KB) Wikimedia Commons ...
The yellow pages are telephone directories of businesses, organized by category rather than alphabetically by business name, in which advertising is sold. The directories were originally printed on yellow paper, as opposed to white pages for non-commercial listings. The traditional term "yellow pages" is now also applied to online directories ...
File:AT&T logo 2016.svg. Size of this PNG preview of this SVG file: 800 × 329 pixels. Other resolutions: 320 × 132 pixels | 640 × 263 pixels | 1,024 × 421 pixels | 1,280 × 526 pixels | 2,560 × 1,052 pixels | 1,000 × 411 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Bell System. The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983.