ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,107, issued on Aug. 4, was assigned to W&H Dentalwerk Burmoos GmbH (Burmoos, Austria).

"Coupling element for attaching a medical or dental instrument to a control or supply unit" was invented by Christian Pruckner (Vienna), Bernhard Silberer (Michaelbeuern, Austria) and Johann Eibl (Mattighofen, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical or dental instrument part having a coupling device, a medical or dental instrument part controller, at least one sensor which is configured to generate a sensor signal and three electrical lines, wherein a first shared electric line and a second shared electric line of the three electrical lines...