ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,201, issued on Feb. 3, was assigned to Innovative BioCeramix Inc. (Burnaby, Canada).
"Endodontic handpiece systems and methods" was invented by Quanzu Yang (Burnaby, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An endodontic handpiece comprises a handle assembly and an endodontic tool. The handle assembly comprises a handle housing, a chuck assembly, a bearing system for supporting the chuck assembly for rotation relative to the handle housing, a first drive system for rotating the chuck assembly, and first and second drive systems. The endodontic tool defines a support portion and a working portion. The chuck assembly transfers movement of ...