Dialing into progress

Schley, Stewart
August 2009
CED;Aug2009, Vol. 35 Issue 8, p14
Trade Publication
The article discusses the development of the portable phone in the U.S. It says that Marty Cooper, a Motorola engineer and inventor has made the first public call from a portable phone on April 3, 1973 in Manhattan. It says that Cooper began thinking the possibility of the portable phone in the early 1970s and later he invented the portable phone, the DynaTAC that weighs 2.2 pounds. Moreover, he pursued his vision to produce a small, lightweight phone that could be carried anywhere.


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