ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,659, issued on Oct. 20, was assigned to Schneider GmbH & Co. KG (Fronhausen, Germany).

"Tool holder, processing tool, tool spindle and method for processing optical work-pieces" was invented by Gunter Schneider (Marburg, Germany), Armin Donsbach (Bad Laasphe, Germany) and Hans-Joachim Link (Biedenkopf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a tool holder for a processing tool for processing optical workpieces with a holder head for receiving a processing tool and a holder body for fastening the tool holder to a tool spindle. According to the invention, it is provided that the holder head is annular wi...