Answers

2016-01-14T22:24:19+08:00
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims. The development of the modern electrical telephone involved an array of lawsuits founded upon the patent claims of several individuals and numerous companies
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the adventor is Alexander gramam bell
2016-01-15T00:10:34+08:00