ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,707, issued on Dec. 23, was assigned to Additive Technologies LLC (Palm City, Fla.).
"Method of operating a metal drop ejecting three-dimensional (3D) object printer to form metal support structures" was invented by Paul J. McConville (Webster, N.Y.), Douglas K. Herrmann (Webster, N.Y.), Seemit Praharaj (Webster, N.Y.), Jason M. LeFevre (Penfield, N.Y.) and Chu-Heng Liu (Penfield, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional (3D) metal object manufacturing apparatus is equipped with a movable directed energy source to melt hardened metal drops and form an oxidation layer. A metal support structure can be formed over the ox...