Indian-American couple develops ventilator that may cost less than Rs 20,000

Prompted by the lack of adequate ventilators during the coronavirus pandemic, Devesh Ranjan, a professor and associate chair in the prestigious Georgia Tech's George W Woodruff School of Mechanical Engineering and his wife Kumuda Ranjan, a practising family physician in Atlanta, developed the emergency ventilator from concept to prototype in just about three weeks-time.

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