The current AT&T logo was released on Mar 2016, and designed in collaboration by AT&T Brand Identity & Design and Interbrand.
AT&T is an American telecommunications corporation, that is the second largest provider of mobile telephone in the United States.
The formerly AT&T was American Telephone and Telegraph Company, established in 1885, which can indirectly trace its origin back to the original Bell Telephone Company founded by Alexander Graham Bell after his invention of the telephone.
The 3D effect and the lowercase at&t logo was launched in 2005.
The original AT&T logo was designed by Saul Bass in 1986.