Dr. Martin Cooper invented the first portable cell phone in April 1973.
The first mobile phone handset weighed about 2.2 pounds.
In 1983, the first commercial cellular phone service began operation in the United
States and the DynaTAC phone ...
Who invented the cell phone is explained in this article from HowStuffWorks. Find
out who invented the cell phone.
Mar 11, 2016 ... Dr. Martin Cooper is the person credited with both inventing the modern cell
phone as well as making the first cell phone call in New York City, ...
Henry T. Sampson, the Black man who invented the cell phone. On July 6th,
1971, Henry T. Sampson invented the “gamma-electric cell”, which pertains to ...
Sampson is also a pioneer in the technology that is used in modern cell phones,
but contrary to a widely held belief, he didn't invent the cell phone. The eldest ...
Martin Cooper invented the cell phone in 1973 while he was general manager of
Motorola's communications systems division. He placed the first wireless call to ...
Dr. Henry Sampson did not invent the cellphone, but he did invent a number of
advances in solid-state rocket propellant and a gamma-electric cell for
Nov 16, 2016 ... All the mobile phones that mattered from the first Nokia handset right up to the
Jul 9, 2010 ... In 1973, Martin Cooper and his team at Motorola built, demonstrated first cell
phone; Cooper says that first phone cost $3,900, plus 50 cents a ...