ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,505, issued on Aug. 26, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"Additive manufacturing apparatus including two light engines and a light altering structure and a method of additive manufacturing a three-dimensional object" was invented by Malte Korten (Moorenweis, Germany), Nicholas S. Wren (Woodbury, Minn.), Gareth A. Hughes (St. Paul, Minn.), Benjamin C. MacMurray (Minneapolis), Kyle C. Picha (Maplewood, Minn.), Jesse J. Gilles (River Falls, Wis.), Leif J. Erickson (St. Paul, Minn.), Eric H. Tsai (St. Paul, Minn.), Matthew T. Lingscheit (Hugo, Minn.), Gioacchino Raia (Tuerkenfeld, Germany), Bastian P. Kirchner (Fuerstenfeldbruck, Germany), Chri...