ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,267, issued on June 3, was assigned to Arm Ltd. (Cambridge, Great Britain).
"Circuitry and method" was invented by James Edward Myers (Bottisham, Great Britain), Emre Ozer (Buckden, Great Britain), Remy Pottier (Grenoble, France), Jedrzej Kufel (Littleport, Great Britain) and John Philip Biggs (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus comprises at least one visual indicator element; at least one detector to detect access to the apparatus consistent with a cleaning operation being applied to a surface of the apparatus; and processing circuitry to control a visual indication state of the at least one visual indi...