ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,538, issued on April 22, was assigned to General Electric Co. (Evendale, Ohio).

"Additive manufacturing methods and systems with two beams traveling along opposing, wobbling paths" was invented by Christopher Darby Immer (Niskayuna, N.Y.), Robert John Filkins (Niskayuna, N.Y.), Victor Petrovich Ostroverkhov (Ballston Lake, N.Y.) and Michael Robert Tucker (Niskayuna, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of additively manufacturing a three-dimensional object include irradiating a first build plane region using a first energy beam, irradiating a second build plane region using a second energy beam, and irradiating an interlace reg...