ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,291, issued on March 18, was assigned to Natron Energy Inc. (Santa Clara, Calif.).

"Hierachical structure of transition metal cyanide coordination compounds" was invented by Dyuman Lionnel Das (San Jose, Calif.), Colin Deane Wessells (Menlo Park, Calif.), Daniel Friebel (San Carlos, Calif.), Ronald James Mosso (Fremont, Calif.) and Keith Michael Wampler (Santa Monica, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for implementing and manufacturing a hierarchy system for use with a TMCCC-containing electrically-conductive structure (e.g., an electrode) as well as methods for use and manufacturing of such structures and el...