January 2012 – Sleep-apnea solutions drive small but growing Export firm
By Alex Nixon, PITTSBURGH TRIBUNE-REVIEW Tuesday, January 31, 2012 David Groll spent years working on the development of new versions of masks used to treat sleep apnea for Philips Respironics, the Murrysville company that invented the first sleep apnea mask more than a quarter century ago. But for the past five years, Groll, 51, has
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