ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,200, issued on Feb. 24.
"Retaining device for a dental workpiece" was invented by Heinrich Steger (Bruneck, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retaining device for a dental workpiece includes a retaining ring for receiving the dental workpiece, and a clamping device for clamping the dental workpiece on the retaining ring. The clamping device has a bearing surface for the dental workpiece, and the bearing surface is mounted or formed on the retaining ring and protrudes radially in the direction of the central axis. At least one clamping element is mounted movably on the retaining ring, and in a clamping position, the dental workpi...