ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,585, issued on March 17, was assigned to Align Technology Inc. (San Jose, Calif.).

"Additive manufacturing systems with fixed substrates" was invented by Shawn Scott Stromenger (Milpitas, Calif.), Michael Christopher Cole (San Jose, Calif.) and Peter Dorfinger (Woodside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for additive manufacturing of objects are provided. In some embodiments, a system for fabricating an object includes a flexible substrate, a carriage coupled to the flexible substrate, an actuator, at least one recoater supported by the carriage, and an energy source. The flexible substrate can be c...