ITALY: Heroes 3D-print key ventilator piece for just $1 to help battle coronavirus — so medical company threatens to sue them

After two Italian volunteers used a 3-D printer to manufacture a desperately needed ventilator component for those stricken by the coronavirus, the medical company with the patent for the device threatened to sue—even as the printed valves saved at least 10 people’s lives in a hospital in the northern Italian city of Brescia.