ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,992, issued on June 9, was assigned to Tau Motors Inc. (Redwood City, Calif.).

"Wirelessly transferring power within an electric machine having AC and DC rotor coils" was invented by Walter Wesley Pennington III (Portola Valley, Calif.), Ethan Bagget Swint (Redwood City, Calif.), Gregory Gordon Stevenson (San Carlos, Calif.), Anthony Da Costa (Los Altos, Calif.), Michael Parker Owen (St. Augustine, Fla.), Matthew J. Rubin (Indianapolis) and Matthias Preindl (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stator defines multiple stator poles with associated stator windings. A rotor defines multiple fixed rotor poles with associated teeth wi...