Question

who is the founder of phones
in which year​

Answer 1

Answer:

On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.

Step-by-step explanation:

Answer 2

Answer:

on April 3 1973 Martin cooper a great mechanical engineer invented mobile phone