Question

Was the mobile phone invented by Martin Cooper ? active passive

Answer 1

Explanation:

While at Motorola in the 1970s, Cooper invented the first handheld cellular mobile phone (distinct from the car phone) in 1973 and led the team that developed it and brought it to market in 1983.[3][4] He is considered the "father of the (handheld) cell phone"[1][3][5][6] and is also cited as the first person in history to make a handheld cellular phone call in public.[7]

Answer 2

Was the mobile phone invented by Martin Cooper ? active passive:-Martin cooper had invented mobile phone.