ResMed Inc. develops devices for treating sleep-disordered breathing as well as other respiratory conditions. In 2014, the company had $1.55 billion in revenue.

ResMed Inc. develops devices for treating sleep-disordered breathing as well as other respiratory conditions. In 2014, the company had $1.55 billion in revenue. Photo by ResMed Inc.

Medical devices often play second fiddle to the more glamorous blockbuster drugs, rarely earning the spotlight for major medical breakthroughs...