ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,545, issued on Sept. 2, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY (Scottsdale, Ariz.).

"Systems and methods for additive manufacturing utilizing localized ultrasound-enhanced material flow and fusioning" was invented by Keng Hsu (Tempe, Ariz.) and Anagh Deshpande (Tempe, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ultrasonic filament modeling systems and methods may be utilized to achieve room-temperature 3-D printing of solid (less than95%) metal materials. A vibrating tool is applied to a metal filament to form a voxel, inducing mechanical deformation as well as inter- and intra-layer mass transport. D...