ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,243, issued on July 1, was assigned to California Institute of Technology (Pasadena, Calif.) and The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Graphite/hexagonal boron nitride bimaterials for electric propulsion" was invented by Celia S. Chari (Pasadena, Calif.), Katherine T. Faber (Pasadena, Calif.), Bryan W. McEnerney (Pasadena, Calif.), Richard R. Hofer (Pasadena, Calif.), James A. Wollmershauser (Pasadena, Calif.) and Edward P. Gorzkowski III (Severna Park, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects disclosed herein include graphite and hexagonal boron nitride bimate...