American Telephone & Telegraph Company
GPTKB entity
AI-created image
Statements (100)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:company
|
| gptkbp:alsoKnownAs |
gptkb:AT&T
|
| gptkbp:dissolved |
1982
|
| gptkbp:divested |
gptkb:1984_Bell_System_divestiture
|
| gptkbp:founded |
1885
|
| gptkbp:founder |
gptkb:Alexander_Graham_Bell
|
| gptkbp:headquartersLocation |
gptkb:New_York_City
|
| https://www.w3.org/2000/01/rdf-schema#label |
American Telephone & Telegraph Company
|
| gptkbp:industry |
telecommunications
|
| gptkbp:notableAchievement |
development of information theory
development of digital transmission development of solar cell development of touch-tone dialing development of C programming language development of UNIX operating system development of 911 emergency system development of Picturephone development of T-carrier system development of Telstar satellite development of answering machine development of area code system development of call forwarding development of call waiting development of caller ID development of conference calling development of digital signal processing development of electronic switching system development of fiber optic communications development of laser development of microwave relay network development of mobile telephone service development of modem development of payphone development of public switched telephone network development of rotary dial development of speakerphone development of telephone advertising program development of telephone answering service development of telephone billing system development of telephone booth development of telephone charitable program development of telephone customer service development of telephone directory development of telephone education program development of telephone exchange development of telephone handset development of telephone innovation program development of telephone installation service development of telephone maintenance service development of telephone marketing program development of telephone network development of telephone operator service development of telephone partnership program development of telephone pole infrastructure development of telephone privacy program development of telephone public relations program development of telephone repair service development of telephone research program development of telephone safety program development of telephone security program development of telephone sponsorship program development of telephone training program development of the transistor development of undersea cable development of voice mail development of telephone community outreach program |
| gptkbp:notableEmployee |
gptkb:Claude_Shannon
gptkb:David_Packard gptkb:John_Bardeen gptkb:Walter_Brattain gptkb:William_Shockley gptkb:William_R._Hewlett gptkb:Charles_Brown gptkb:Clarence_H._Mackay gptkb:Frederick_Kappel gptkb:Henry_T._Heald gptkb:James_E._Olson gptkb:John_D._deButts gptkb:John_deButts gptkb:Mervin_Kelly gptkb:Robert_Allen gptkb:Theodore_Vail gptkb:Walter_Gifford gptkb:William_Ellinghaus gptkb:John_C._Dvorak Bell Labs researchers |
| gptkbp:notableEvent |
antitrust lawsuit by U.S. Department of Justice
|
| gptkbp:notableProduct |
long-distance telephone service
telephone equipment |
| gptkbp:parentCompany |
gptkb:Bell_System
|
| gptkbp:regulates |
gptkb:Federal_Communications_Commission
|
| gptkbp:spinOff |
gptkb:Regional_Bell_Operating_Companies
|
| gptkbp:status |
regulated monopoly (until 1982)
|
| gptkbp:stockSymbol |
gptkb:T_(historically)
|
| gptkbp:subsidiary |
gptkb:Bell_Labs
gptkb:Western_Electric gptkb:AT&T_Long_Lines |
| gptkbp:successor |
gptkb:AT&T_Inc.
|
| gptkbp:bfsParent |
gptkb:Frank_B._Jewett
|
| gptkbp:bfsLayer |
3
|