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AT&T Laboratories, Inc. was the research & development division of AT&T Corporation. It was founded in 1925 as Bell Telephone Laboratories, Inc., following the merger of the research & development divisions of American Telephone & Telegraph and Western Electric.

AT&T Laboratories, Inc.
Bell Telephone Laboratories, Inc.
IndustryResearch & Development
PredecessorBell Laboratories, Inc.
SuccessorAT&T Labs
Founded1925 (1925) in Florham Park, New Jersey
FounderAlexander Graham Bell
Defunct2005 (2005)
ProductsMultiple patents
Number of employees
ParentAT&T Corporation
WebsiteAT&T Labs website under old AT&T


In 1996, most of Bell Labs was spun off into Lucent Technologies, along with AT&T Technologies, formerly Western Electric, and the Bell Labs name. Research dealing with telephone equipment and most physical research went to Lucent; a smaller number of researchers dealing with voice technology, network management, and software stayed with AT&T Bell Laboratories, Inc., which was now renamed AT&T Laboratories, Inc. Locations include Shannon Labs in Florham Park, NJ and Middletown, NJ.

In 2005, SBC Communications purchased AT&T Corporation, and changed its own corporate name to AT&T Inc. The operations of AT&T Laboratories were then absorbed into SBC's R&D division, SBC Laboratories, which then was renamed AT&T Labs, Inc.

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