U of M designers build prototypes to fill the urgent need for masks, ventilators - Minnesota Public Radio News

U of M designers build prototypes to fill the urgent need for masks, ventilators - Minnesota Public Radio News https://www.mprnews.org/story/2020/04/03/u-of-m-designers-build-prototypes-to-fill-the-urgent-need-for-masks-ventilators U of M designers build prototypes to fill the urgent need for masks, ventilators  Minnesota Public Radio News