Discoveries and inventions: Phone.

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a Tphone Tmobile TMotorola TMartin T1973 Tfrom TThe Tfirst TCooper Tby Tin Tresearcher Tcreated Twas. T

John TF Tfirst Tmade TThe Tphonecall Tto Twas TMitchel

were Tcommercial Tmobile Tfirst Tsold TThe Tuntil Tphones T80's Tthe. T T

incorporated Tdeveloped Tmobile Tdevices TThe Tphone TIBM Twas Tfirst Tby Tsmart Twith

first Tproduced Tthe TSimon Tintroduced TPersonal TThe Twas TCommunicator Tcompany Tcommercially Tby TSmartphone. T