Which device was invented in 1973 by Dr Martin Cooper at Motorola?
Which device was invented in 1973 by Dr Martin Cooper at Motorola?
موٹرولا کے ڈاکٹر مارٹن کوپر نے 1973 میں کون سا آلہ ایجاد کیا تھا؟
Explanation
The cellphone was invented on April 3, 1973, by Dr. Martin Cooper at Motorola.
He made the first mobile phone call.
This marking a significant milestone in communication technology.