ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,505, issued on March 24, was assigned to Align Technology Inc. (San Jose, Calif.).

"Orthodontic aligners and methods of designing and fabricating orthodontic aligners based on tooth shape" was invented by Vadim Matov (San Jose, Calif.), John Y. Morton (San Jose, Calif.), Eric Kuo (San Jose, Calif.) and Heng Cao (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A series of orthodontic aligners may be produced by a process including receiving a first position of at least one tooth of a patient for a first treatment stage of plurality of orthodontic treatment stages, determining a movement vector magnitude and direction for moving th...