ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,623, issued on July 21, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).
"Cleaning and/or treatment unit for an oral care device" was invented by Priscilla Brandao Silva (Eindhoven, Netherlands), Lutz Christian Gerhardt (Eindhoven, Netherlands), Mark Thomas Johnson (Arendonk, Belgium) and Bart Gottenbos (Budel, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shielding barrier (32) is carried by one or more electrodes (22) of a cleaning and/or treatment unit (12) for an oral care device, and arranged for interposing contact of an exposed conductive portion (25) of the electrodes (22) by other components or external obje...