ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,316, issued on Aug. 19, was assigned to Dentsply Sirona Inc. (York, Pa.).
"Endodontic file clip for an apex locator" was invented by Martin Pfleiderer (Auvernier, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an endodontic file clip (1) for an apex locator, comprising: a hollow body (2); a push button (3) movably linked to the body (2); a spring (4) pushing the push button (3) away from the body (2); an electrically conductive hook (5) movably arranged within the body (2) and partly protruding out of the tip (2a) of the body (2) and fixed to the push button (3) to securely attach an endodontic file (6) t...