ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,699, issued on Feb. 17, was assigned to NeuroMetrix Inc. (Woburn, Mass.).

"Apparatus and method for relieving pain using transcutaneous electrical nerve stimulation" was invented by Shai N. Gozani (Newton, Mass.), Xuan Kong (Acton, Mass.), Andres Aguirre (Belmont, Mass.), Glenn Herb (Weston, Mass.), Marc Cryan (Maynard, Mass.) and Michael Williams (Melrose, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus for transcutaneous electrical nerve stimulation in humans, the apparatus comprising: a housing; stimulation means mounted within the housing for electrically stimulating nerves; an electrode array releasably mounted to the housing and...