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 Tele...
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and History of AT&T § Monopoly AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in...
During the Bell System's long history, AT&T was at times the world's largest telephone company, the world's largest cable television operator, and a regulated monopoly. At its peak in the...
information: History of AT&T Logo used from 1889 to 1900 In 1877, the American Bell Telephone Company, named after Alexander Graham Bell, opened the first telephone exchange in New Haven...
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Telegraph Company (AT&T). In the 1960s, laboratory and company headquarters were moved to Murray Hill, New Jersey. Bell Labs became a subsidiary of AT&T Technologies in 1984 after the Bell...
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Telephone Company)와 AT&T가 이끄는 회사 시스템으로, 1877년부터 1984년까지 독점으로 여러 번 미국과... 같이 보기 [편집] 노던 텔레콤 외부 링크 [편집] Bell.com Bell System Memorial Blue Bell Telephone Sign History — New...
A look at the AT&T logo and how they got started. AT&T (American Telephone and Telegraph Company) offers telecommunication products and services, such as wireless communications, long-distance services, local exchange services, video services, broadband/data, and internet services, telecommunication equipment, as well as wholesale and managed networking services. The company conducts business via three reportable segments: wireline, wireless, security, and others. The wireline segment offers both wholesale and retail communication services loca ...