ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,170, issued on March 24, was assigned to Align Technology Inc. (San Jose, Calif.).

"Aligner manufacturing methods" was invented by David Aguilar Mendez (Ciudad Juarez, Mexico), Luis Carlos Martinez Gonzalez (Ciudad Juarez, Mexico) and Mario Alfonso Rito Martinez (Ciudad Juarez, Mexico).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes: receiving first and second digital models associated with a dental arch of a patient corresponding to first and second stages of orthodontic treatment; printing a first mold of a first dental arch based on the first digital model and a second mold of a second dental arch based on the second digital mode...