ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,117, issued on Feb. 17, was assigned to Omnibuds Ltd (Cambridge, Great Britain).
"Blood pressure monitoring" was invented by Alessandro Montanari (Cambridge, Great Britain), Hoang Truong (Boulder, Colo.) and Fahim Kawsar (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising: at least one photoplethysmography sensor configured to determine pulse information of a user; at least one audio sensor configured to determine heart sound information of the user; and means for determining, based, at least in part, on the pulse information and the heart sound information, blood pressure information of the user, wherein...