Monday, April 11, 2022

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Joseph W. Lechleider (22 February 1933, Brooklyn – 18 April 2015) was the inventor at the Bell Telephone Company of the DSL (digital subscriber line) technology.

Lechleider attended Brooklyn Technical High School before earning his undergraduate degree from Cooper Union and a Ph.D. from the Polytechnic Institute of Brooklyn (now part of the New York University Tandon School of Engineering.


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