ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,049, issued on Dec. 9, was assigned to Align Technology Inc. (San Jose, Calif.).

"Methods and systems for fabricating dental appliances with integrally formed arch expander" was invented by Avi Kopelman (Palo Alto, Calif.), Allen Boronkay (San Jose, Calif.), Peter Webber (Lafayette, Calif.), Vadim Matov (San Jose, Calif.), Srinivas Kaza (San Francisco), Ryan Kimura (San Jose, Calif.) and Yaser Shanjani (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for fabricating dental appliances are provided. In some embodiments, a method includes determining an appliance geometry for a dental appliance, where the appliance g...