On April 3, 1973 Martin Cooper of Motorola made the first ever call on the first ever truly portable telephone. But it wasn't until ten years later, in 1983, that Motorola sold its cellular phones ...
NEW YORK CITY -- On April 3, 1973, Martin Cooper stood on a sidewalk on sixth avenue in Manhattan with a device the size of a brick and made the first public call from a cell phone to one of the men ...
When Motorola introduced the first cell phone in 1973, it measured an unwieldy nine by five by two inches and weighed more than two pounds. Three decades later, cell phones have become so convenient ...
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