ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,372, issued on Aug. 26, was assigned to WAAM3D Ltd. (Buckinghamshire, Great Britain).
"Additive manufacture" was invented by Stewart Wynn Williams (Cranfield, Great Britain) and Wojciech Jerzy Suder (Cranfield, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a 3D article by additive manufacture is provided. The method includes the steps of: forming a meltpool in an already-existing part of the article, and moving the meltpool relative thereto; feeding a directed feedstock into the moving meltpool to deposit and fuse a layer of material on the already-existing part; and repeating the forming and moving and feeding s...