ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,015, issued on Sept. 9, was assigned to Align Technology Inc. (San Jose, Calif.).

"Intraoral appliances with cellular structures" was invented by Yaser Shanjani (Sunnyvale, Calif.), Jun Sato (San Jose, Calif.) and Ryan Kimura (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for fabrication of intraoral appliances are provided. In some embodiments, a method includes receiving a digital representation of a patient's dentition; receiving a treatment plan for the patient's dentition; generating a digital model of an intraoral appliance configured to implement at least one treatment stage of the treatment plan, where the intraora...