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The Detroit Police Department, began experimentation with one-way vehicular mobile service.
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Alton Dickieson, H.I. Romnes and D. Mitchell begin design of AT&T's mobile phone system
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A driver in St. Louis, Mo., placed a phone call,it was the first AT&T mobile telephone call.
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Richard Frenkiel and Joel Engel of AT&T applied computers and electronics to make it work.
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Martin Cooper of Motorola made the first cellphone call to his rival Joe Engel of AT&T BellLabs
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FCC granted commercial licenses to an AT&T subsidiary, Advanced Mobile Phone Service
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