ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,672, issued on Aug. 5, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"System and method for tracking an oral care device" was invented by Vincentius Paulus Buil (Veldhoven, Netherlands), Lucas Jacobus Franciscus Geurts (Sterksel, Netherlands), Frederik Jan De Bruijn (Eindhoven, Netherlands) and Karl Catharina Van Bree (Eindhoven, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system for monitoring the location of an oral care device (102) within the mouth of a user, includes: an oral care device (102) having a light source (104); an optical sensor (112) configured to receive light emitted by the light sou...