ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,623, issued on March 25, was assigned to Desktop Metal Inc. (Burlington, Mass.).

"Additive manufacturing techniques using noble metals and/or copper metal and related methods and compositions" was invented by Ilya L. Rushkin (Acton, Mass.), Shannon Lee Taylor (Westford, Mass.), Yun Bai (Burlington, Mass.) and John Reidy (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of additive manufacturing using noble metals and/or copper metal, and binder compositions for use during the additive manufacturing methods, are generally described. In some instances, the methods of additive manufacturing include de-binding (and in some cases...