ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,491, issued on April 21, was assigned to HRL Laboratories LLC (Malibu, Calif.).

"Preceramic 3D-printing monomer and polymer formulations" was invented by Zak C. Eckel (Thousand Oaks, Calif.), Andrew P. Nowak (Los Angeles), Ashley M. Dustin (Santa Monica, Calif.), April R. Rodriguez (Santa Monica, Calif.), Phuong Bui (Thousand Oaks, Calif.) and Tobias A. Schaedler (Oak Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides resin formulations which may be used for 3D printing and thermally treating to produce a ceramic material. The disclosure provides direct, free-form 3D printing of a preceramic polymer, followed by co...